144 results on '"Peters, N. A."'
Search Results
2. European Guideline Robin Sequence An Initiative From the European Reference Network for Rare Craniofacial Anomalies and Ear, Nose and Throat Disorders (ERN-CRANIO)
- Author
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Abadie, V., Bohorquez, D., Bulstrode, N. W., Davies, Gareth, Hakelius, Malin, Ong, J., Mathijssen, I. M. J., Matos, E., Mazzoleni, F., van der Molen, A. Mink, Muradin, M., Neovius, E., Piacentile, K., Redondo, M., Vuola, P., Wolvius, E. B., Reinert, Siegmar, Murray, Dylan, Peterson, Petra, Hens, Greet, Schachner, P., Sivertsen, A., Irvine, W. F. E., Welling-van Overveld, L. F. J., van Breugel, M., van Schalkwijk, K., Verhey, E., Khan, A., Baillie, L., Bishop, N., Hillyar, C. R. T., Koudstaal, M. J., van de lande, L., Nibber, A., Panciewicz, N., Ramjeeawan, A., Bouter, A., El Ghoul, K., Logjes, B., van der Plas, P., Kats, J., Weissbach, E., van Veen-van der Hoek, M., Bittermann, A. J. N., van den Boogaard, M-JH., Coenraad, S., Dulfer, K., Joosten, K., Lachmeijer, A. M. A., Muradin, M. S. M., Peters, N. C. J., Pleumeekers, M., de Veye, H. Swanenburg, Abadie, V., Bohorquez, D., Bulstrode, N. W., Davies, Gareth, Hakelius, Malin, Ong, J., Mathijssen, I. M. J., Matos, E., Mazzoleni, F., van der Molen, A. Mink, Muradin, M., Neovius, E., Piacentile, K., Redondo, M., Vuola, P., Wolvius, E. B., Reinert, Siegmar, Murray, Dylan, Peterson, Petra, Hens, Greet, Schachner, P., Sivertsen, A., Irvine, W. F. E., Welling-van Overveld, L. F. J., van Breugel, M., van Schalkwijk, K., Verhey, E., Khan, A., Baillie, L., Bishop, N., Hillyar, C. R. T., Koudstaal, M. J., van de lande, L., Nibber, A., Panciewicz, N., Ramjeeawan, A., Bouter, A., El Ghoul, K., Logjes, B., van der Plas, P., Kats, J., Weissbach, E., van Veen-van der Hoek, M., Bittermann, A. J. N., van den Boogaard, M-JH., Coenraad, S., Dulfer, K., Joosten, K., Lachmeijer, A. M. A., Muradin, M. S. M., Peters, N. C. J., Pleumeekers, M., and de Veye, H. Swanenburg
- Abstract
A European guideline on Robin Sequence was developed within the European Reference Network for rare and/ or complex craniofacial anomalies and ear, nose, and throat disorders. The guideline provides an overview of optimal care provisions for patients with Robin Sequence and recommendations for the improvement of care.
- Published
- 2024
- Full Text
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3. X-ray computed tomography for treatment planning: current status and innovations
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Peters, N., Wohlfahrt, P., (0000-0003-4261-4214) Richter, C., Peters, N., Wohlfahrt, P., and (0000-0003-4261-4214) Richter, C.
- Abstract
X-ray computed tomography (CT) is the clinical standard for treatment planning in particle therapy. In this chapter, the basic principles of this state-of-the-art image modality will be described, as well as strategies to account for uncertainties of the conversion from CT number to ion stopping power.
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- 2024
4. European Guideline Robin Sequence An Initiative from the European Reference Network for Rare Craniofacial Anomalies and Ear, Nose and Throat Disorders (ERN-CRANIO)
- Author
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Bulstrode, N. W., Mathijssen, I. M. J., van der Molen, A. Mink, Wolvius, E. B., Khan, A., Koudstaal, M. J., van de lande, L., Bouter, A., El Ghoul, K., Logjes, B., van der Plas, P., Kats, J., Weissbach, E., van Veen-van der Hoek, M., Coenraad, S., Dulfer, K., Joosten, K., Peters, N. C. J., Pleumeekers, M., Bulstrode, N. W., Mathijssen, I. M. J., van der Molen, A. Mink, Wolvius, E. B., Khan, A., Koudstaal, M. J., van de lande, L., Bouter, A., El Ghoul, K., Logjes, B., van der Plas, P., Kats, J., Weissbach, E., van Veen-van der Hoek, M., Coenraad, S., Dulfer, K., Joosten, K., Peters, N. C. J., and Pleumeekers, M.
- Abstract
A European guideline on Robin Sequence was developed within the European Reference Network for rare and/or complex craniofacial anomalies and ear, nose, and throat disorders. The guideline provides an overview of optimal care provisions for patients with Robin Sequence and recommendations for the improvement of care.
- Published
- 2024
5. Safety and Outcome of Revascularization Treatment in Patients With Acute Ischemic Stroke and COVID-19
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Marto, J, Strambo, D, Ntaios, G, Nguyen, T, Herzig, R, Czlonkowska, A, Demeestere, J, Mansour, O, Salerno, A, Wegener, S, Baumgartner, P, Cereda, C, Bianco, G, Beyeler, M, Arnold, M, Carrera, E, Machi, P, Altersberger, V, Bonati, L, Gensicke, H, Bolognese, M, Peters, N, Wetzel, S, Magrico, M, Ramos, J, Sargento-Freitas, J, Machado, R, Maia, C, Machado, E, Nunes, A, Ferreira, P, Pinho E Melo, T, Dias, M, Paula, A, Correia, M, Castro, P, Azevedo, E, Albuquerque, L, Alves, J, Ferreira-Pinto, J, Meira, T, Pereira, L, Rodrigues, M, Araujo, A, Rocha, M, Pereira-Fonseca, A, Ribeiro, L, Varela, R, Malheiro, S, Cappellari, M, Zivelonghi, C, Sajeva, G, Zini, A, Gentile, M, Forlivesi, S, Migliaccio, L, Sessa, M, La Gioia, S, Pezzini, A, Sangalli, D, Zedde, M, Pascarella, R, Ferrarese, C, Beretta, S, Diamanti, S, Schwarz, G, Frisullo, G, Marcheselli, S, Seners, P, Sabben, C, Escalard, S, Piotin, M, Maier, B, Charbonnier, G, Vuillier, F, Legris, L, Cuisenier, P, Vodret, F, Marnat, G, Liegey, J, Sibon, I, Flottmann, F, Broocks, G, Gloyer, N, Bohmann, F, Schaefer, J, Nolte, C, Audebert, H, Siebert, E, Sykora, M, Lang, W, Ferrari, J, Mayer-Suess, L, Knoflach, M, Gizewski, E, Stolp, J, Stolze, L, Coutinho, J, Nederkoorn, P, Van Den Wijngaard, I, De Meris, J, Lemmens, R, De Raedt, S, Vandervorst, F, Rutgers, M, Guilmot, A, Dusart, A, Bellante, F, Calleja-Castano, P, Ostos, F, Gonzalez-Ortega, G, Martin-Jimenez, P, Garcia-Madrona, S, Cruz-Culebras, A, Vera, R, Matute, M, Fuentes, B, Alonso-De-Lecinana, M, Rigual, R, Diez-Tejedor, E, Perez-Sanchez, S, Montaner, J, Diaz-Otero, F, Perez-De-La-Ossa, N, Flores-Pina, B, Munoz-Narbona, L, Chamorro, A, Rodriguez-Vazquez, A, Renu, A, Ayo-Martin, O, Hernandez-Fernandez, F, Segura, T, Tejada-Meza, H, Sagarra-Mur, D, Serrano-Ponz, M, Hlaing, T, See, I, Simister, R, Werring, D, Kristoffersen, E, Nordanstig, A, Jood, K, Rentzos, A, Simunek, L, Krajickova, D, Krajina, A, Mikulik, R, Cvikova, M, Vinklarek, J, Skoloudik, D, Roubec, M, Hurtikova, E, Hruby, R, Ostry, S, Skoda, O, Pernicka, M, Jurak, L, Eichlova, Z, Jira, M, Kovar, M, Pansky, M, Mencl, P, Palouskova, H, Tomek, A, Jansky, P, Olserova, A, Sramek, M, Havlicek, R, Maly, P, Trakal, L, Fiksa, J, Slovak, M, Karlinski, M, Nowak, M, Sienkiewicz-Jarosz, H, Bochynska, A, Wrona, P, Homa, T, Sawczynska, K, Slowik, A, Wlodarczyk, E, Wiacek, M, Tomaszewska-Lampart, I, Sieczkowski, B, Bartosik-Psujek, H, Bilik, M, Bandzarewicz, A, Dorobek, M, Zielinska-Turek, J, Nowakowska-Kotas, M, Obara, K, Urbanowski, P, Budrewicz, S, Guzinski, M, Switonska, M, Rutkowska, I, Sobieszak-Skura, P, Labuz-Roszak, B, Debiec, A, Staszewski, J, Stepien, A, Zwiernik, J, Wasilewski, G, Tiu, C, Terecoasa, E, Radu, R, Negrila, A, Dorobat, B, Panea, C, Tiu, V, Petrescu, S, Ozdemir, A, Mahmoud, M, El-Samahy, H, Abdelkhalek, H, Al-Hashel, J, Ismail, I, Salmeen, A, Ghoreishi, A, Sabetay, S, Gross, H, Klein, P, Abdalkader, M, Jabbour, P, El Naamani, K, Tjoumakaris, S, Abbas, R, Mohamed, G, Chebl, A, Min, J, Hovingh, M, Tsai, J, Khan, M, Nalleballe, K, Onteddu, S, Masoud, H, Michael, M, Kaur, N, Maali, L, Abraham, M, Khandelwal, P, Bach, I, Ong, M, Babici, D, Khawaja, A, Hakemi, M, Rajamani, K, Cano-Nigenda, V, Arauz, A, Amaya, P, Llanos, N, Arango, A, Vences, M, Barrientos Guerra, J, Caetano, R, Martins, R, Scollo, S, Yalung, P, Nagendra, S, Gaikwad, A, Seo, K, Georgiopoulos, G, Nogueira, R, Michel, P, Marto J. P., Strambo D., Ntaios G., Nguyen T. N., Herzig R., Czlonkowska A., Demeestere J., Mansour O. Y., Salerno A., Wegener S., Baumgartner P., Cereda C. W., Bianco G., Beyeler M., Arnold M., Carrera E., Machi P., Altersberger V., Bonati L., Gensicke H., Bolognese M., Peters N., Wetzel S., Magrico M., Ramos J. N., Sargento-Freitas J., Machado R., Maia C., Machado E., Nunes A. P., Ferreira P., Pinho E Melo T., Dias M. C., Paula A., Correia M. A., Castro P., Azevedo E., Albuquerque L., Alves J. N., Ferreira-Pinto J., Meira T., Pereira L., Rodrigues M., Araujo A. P., Rocha M., Pereira-Fonseca A., Ribeiro L., Varela R., Malheiro S., Cappellari M., Zivelonghi C., Sajeva G., Zini A., Gentile M., Forlivesi S., Migliaccio L., Sessa M., La Gioia S., Pezzini A., Sangalli D., Zedde M., Pascarella R., Ferrarese C., Beretta S., Diamanti S., Schwarz G., Frisullo G., Marcheselli S., Seners P., Sabben C., Escalard S., Piotin M., Maier B., Charbonnier G., Vuillier F., Legris L., Cuisenier P., Vodret F. R., Marnat G., Liegey J. -S., Sibon I., Flottmann F., Broocks G., Gloyer N. -O., Bohmann F. O., Schaefer J. H., Nolte C., Audebert H. J., Siebert E., Sykora M., Lang W., Ferrari J., Mayer-Suess L., Knoflach M., Gizewski E. R., Stolp J., Stolze L. J., Coutinho J. M., Nederkoorn P., Van Den Wijngaard I., De Meris J., Lemmens R., De Raedt S., Vandervorst F., Rutgers M. P., Guilmot A., Dusart A., Bellante F., Calleja-Castano P., Ostos F., Gonzalez-Ortega G., Martin-Jimenez P., Garcia-Madrona S., Cruz-Culebras A., Vera R., Matute M. C., Fuentes B., Alonso-De-Lecinana M., Rigual R., Diez-Tejedor E., Perez-Sanchez S., Montaner J., Diaz-Otero F., Perez-De-La-Ossa N., Flores-Pina B., Munoz-Narbona L., Chamorro A., Rodriguez-Vazquez A., Renu A., Ayo-Martin O., Hernandez-Fernandez F., Segura T., Tejada-Meza H., Sagarra-Mur D., Serrano-Ponz M., Hlaing T., See I., Simister R., Werring D., Kristoffersen E. S., Nordanstig A., Jood K., Rentzos A., Simunek L., Krajickova D., Krajina A., Mikulik R., Cvikova M., Vinklarek J., Skoloudik D., Roubec M., Hurtikova E., Hruby R., Ostry S., Skoda O., Pernicka M., Jurak L., Eichlova Z., Jira M., Kovar M., Pansky M., Mencl P., Palouskova H., Tomek A., Jansky P., Olserova A., Sramek M., Havlicek R., Maly P., Trakal L., Fiksa J., Slovak M., Karlinski M. A., Nowak M., Sienkiewicz-Jarosz H., Bochynska A., Wrona P., Homa T., Sawczynska K., Slowik A., Wlodarczyk E., Wiacek M., Tomaszewska-Lampart I., Sieczkowski B., Bartosik-Psujek H., Bilik M., Bandzarewicz A., Dorobek M., Zielinska-Turek J., Nowakowska-Kotas M., Obara K., Urbanowski P., Budrewicz S., Guzinski M., Switonska M., Rutkowska I., Sobieszak-Skura P., Labuz-Roszak B. M., Debiec A., Staszewski J., Stepien A., Zwiernik J., Wasilewski G., Tiu C., Terecoasa E. O., Radu R. A., Negrila A., Dorobat B., Panea C., Tiu V., Petrescu S., Ozdemir A., Mahmoud M., El-Samahy H., Abdelkhalek H., Al-Hashel J., Ismail I. I., Salmeen A., Ghoreishi A., Sabetay S. I., Gross H., Klein P., Abdalkader M., Jabbour P., El Naamani K., Tjoumakaris S., Abbas R., Mohamed G. A., Chebl A., Min J., Hovingh M., Tsai J. P., Khan M., Nalleballe K., Onteddu S., Masoud H., Michael M., Kaur N., Maali L., Abraham M. G., Khandelwal P., Bach I., Ong M., Babici D., Khawaja A. M., Hakemi M., Rajamani K., Cano-Nigenda V., Arauz A., Amaya P., Llanos N., Arango A., Vences M. A., Barrientos Guerra J. D., Caetano R., Martins R. T., Scollo S. D., Yalung P. M., Nagendra S., Gaikwad A., Seo K. -D., Georgiopoulos G., Nogueira R. G., Michel P., Marto, J, Strambo, D, Ntaios, G, Nguyen, T, Herzig, R, Czlonkowska, A, Demeestere, J, Mansour, O, Salerno, A, Wegener, S, Baumgartner, P, Cereda, C, Bianco, G, Beyeler, M, Arnold, M, Carrera, E, Machi, P, Altersberger, V, Bonati, L, Gensicke, H, Bolognese, M, Peters, N, Wetzel, S, Magrico, M, Ramos, J, Sargento-Freitas, J, Machado, R, Maia, C, Machado, E, Nunes, A, Ferreira, P, Pinho E Melo, T, Dias, M, Paula, A, Correia, M, Castro, P, Azevedo, E, Albuquerque, L, Alves, J, Ferreira-Pinto, J, Meira, T, Pereira, L, Rodrigues, M, Araujo, A, Rocha, M, Pereira-Fonseca, A, Ribeiro, L, Varela, R, Malheiro, S, Cappellari, M, Zivelonghi, C, Sajeva, G, Zini, A, Gentile, M, Forlivesi, S, Migliaccio, L, Sessa, M, La Gioia, S, Pezzini, A, Sangalli, D, Zedde, M, Pascarella, R, Ferrarese, C, Beretta, S, Diamanti, S, Schwarz, G, Frisullo, G, Marcheselli, S, Seners, P, Sabben, C, Escalard, S, Piotin, M, Maier, B, Charbonnier, G, Vuillier, F, Legris, L, Cuisenier, P, Vodret, F, Marnat, G, Liegey, J, Sibon, I, Flottmann, F, Broocks, G, Gloyer, N, Bohmann, F, Schaefer, J, Nolte, C, Audebert, H, Siebert, E, Sykora, M, Lang, W, Ferrari, J, Mayer-Suess, L, Knoflach, M, Gizewski, E, Stolp, J, Stolze, L, Coutinho, J, Nederkoorn, P, Van Den Wijngaard, I, De Meris, J, Lemmens, R, De Raedt, S, Vandervorst, F, Rutgers, M, Guilmot, A, Dusart, A, Bellante, F, Calleja-Castano, P, Ostos, F, Gonzalez-Ortega, G, Martin-Jimenez, P, Garcia-Madrona, S, Cruz-Culebras, A, Vera, R, Matute, M, Fuentes, B, Alonso-De-Lecinana, M, Rigual, R, Diez-Tejedor, E, Perez-Sanchez, S, Montaner, J, Diaz-Otero, F, Perez-De-La-Ossa, N, Flores-Pina, B, Munoz-Narbona, L, Chamorro, A, Rodriguez-Vazquez, A, Renu, A, Ayo-Martin, O, Hernandez-Fernandez, F, Segura, T, Tejada-Meza, H, Sagarra-Mur, D, Serrano-Ponz, M, Hlaing, T, See, I, Simister, R, Werring, D, Kristoffersen, E, Nordanstig, A, Jood, K, Rentzos, A, Simunek, L, Krajickova, D, Krajina, A, Mikulik, R, Cvikova, M, Vinklarek, J, Skoloudik, D, Roubec, M, Hurtikova, E, Hruby, R, Ostry, S, Skoda, O, Pernicka, M, Jurak, L, Eichlova, Z, Jira, M, Kovar, M, Pansky, M, Mencl, P, Palouskova, H, Tomek, A, Jansky, P, Olserova, A, Sramek, M, Havlicek, R, Maly, P, Trakal, L, Fiksa, J, Slovak, M, Karlinski, M, Nowak, M, Sienkiewicz-Jarosz, H, Bochynska, A, Wrona, P, Homa, T, Sawczynska, K, Slowik, A, Wlodarczyk, E, Wiacek, M, Tomaszewska-Lampart, I, Sieczkowski, B, Bartosik-Psujek, H, Bilik, M, Bandzarewicz, A, Dorobek, M, Zielinska-Turek, J, Nowakowska-Kotas, M, Obara, K, Urbanowski, P, Budrewicz, S, Guzinski, M, Switonska, M, Rutkowska, I, Sobieszak-Skura, P, Labuz-Roszak, B, Debiec, A, Staszewski, J, Stepien, A, Zwiernik, J, Wasilewski, G, Tiu, C, Terecoasa, E, Radu, R, Negrila, A, Dorobat, B, Panea, C, Tiu, V, Petrescu, S, Ozdemir, A, Mahmoud, M, El-Samahy, H, Abdelkhalek, H, Al-Hashel, J, Ismail, I, Salmeen, A, Ghoreishi, A, Sabetay, S, Gross, H, Klein, P, Abdalkader, M, Jabbour, P, El Naamani, K, Tjoumakaris, S, Abbas, R, Mohamed, G, Chebl, A, Min, J, Hovingh, M, Tsai, J, Khan, M, Nalleballe, K, Onteddu, S, Masoud, H, Michael, M, Kaur, N, Maali, L, Abraham, M, Khandelwal, P, Bach, I, Ong, M, Babici, D, Khawaja, A, Hakemi, M, Rajamani, K, Cano-Nigenda, V, Arauz, A, Amaya, P, Llanos, N, Arango, A, Vences, M, Barrientos Guerra, J, Caetano, R, Martins, R, Scollo, S, Yalung, P, Nagendra, S, Gaikwad, A, Seo, K, Georgiopoulos, G, Nogueira, R, Michel, P, Marto J. P., Strambo D., Ntaios G., Nguyen T. N., Herzig R., Czlonkowska A., Demeestere J., Mansour O. Y., Salerno A., Wegener S., Baumgartner P., Cereda C. W., Bianco G., Beyeler M., Arnold M., Carrera E., Machi P., Altersberger V., Bonati L., Gensicke H., Bolognese M., Peters N., Wetzel S., Magrico M., Ramos J. N., Sargento-Freitas J., Machado R., Maia C., Machado E., Nunes A. P., Ferreira P., Pinho E Melo T., Dias M. C., Paula A., Correia M. A., Castro P., Azevedo E., Albuquerque L., Alves J. N., Ferreira-Pinto J., Meira T., Pereira L., Rodrigues M., Araujo A. P., Rocha M., Pereira-Fonseca A., Ribeiro L., Varela R., Malheiro S., Cappellari M., Zivelonghi C., Sajeva G., Zini A., Gentile M., Forlivesi S., Migliaccio L., Sessa M., La Gioia S., Pezzini A., Sangalli D., Zedde M., Pascarella R., Ferrarese C., Beretta S., Diamanti S., Schwarz G., Frisullo G., Marcheselli S., Seners P., Sabben C., Escalard S., Piotin M., Maier B., Charbonnier G., Vuillier F., Legris L., Cuisenier P., Vodret F. R., Marnat G., Liegey J. -S., Sibon I., Flottmann F., Broocks G., Gloyer N. -O., Bohmann F. O., Schaefer J. H., Nolte C., Audebert H. J., Siebert E., Sykora M., Lang W., Ferrari J., Mayer-Suess L., Knoflach M., Gizewski E. R., Stolp J., Stolze L. J., Coutinho J. M., Nederkoorn P., Van Den Wijngaard I., De Meris J., Lemmens R., De Raedt S., Vandervorst F., Rutgers M. P., Guilmot A., Dusart A., Bellante F., Calleja-Castano P., Ostos F., Gonzalez-Ortega G., Martin-Jimenez P., Garcia-Madrona S., Cruz-Culebras A., Vera R., Matute M. C., Fuentes B., Alonso-De-Lecinana M., Rigual R., Diez-Tejedor E., Perez-Sanchez S., Montaner J., Diaz-Otero F., Perez-De-La-Ossa N., Flores-Pina B., Munoz-Narbona L., Chamorro A., Rodriguez-Vazquez A., Renu A., Ayo-Martin O., Hernandez-Fernandez F., Segura T., Tejada-Meza H., Sagarra-Mur D., Serrano-Ponz M., Hlaing T., See I., Simister R., Werring D., Kristoffersen E. S., Nordanstig A., Jood K., Rentzos A., Simunek L., Krajickova D., Krajina A., Mikulik R., Cvikova M., Vinklarek J., Skoloudik D., Roubec M., Hurtikova E., Hruby R., Ostry S., Skoda O., Pernicka M., Jurak L., Eichlova Z., Jira M., Kovar M., Pansky M., Mencl P., Palouskova H., Tomek A., Jansky P., Olserova A., Sramek M., Havlicek R., Maly P., Trakal L., Fiksa J., Slovak M., Karlinski M. A., Nowak M., Sienkiewicz-Jarosz H., Bochynska A., Wrona P., Homa T., Sawczynska K., Slowik A., Wlodarczyk E., Wiacek M., Tomaszewska-Lampart I., Sieczkowski B., Bartosik-Psujek H., Bilik M., Bandzarewicz A., Dorobek M., Zielinska-Turek J., Nowakowska-Kotas M., Obara K., Urbanowski P., Budrewicz S., Guzinski M., Switonska M., Rutkowska I., Sobieszak-Skura P., Labuz-Roszak B. M., Debiec A., Staszewski J., Stepien A., Zwiernik J., Wasilewski G., Tiu C., Terecoasa E. O., Radu R. A., Negrila A., Dorobat B., Panea C., Tiu V., Petrescu S., Ozdemir A., Mahmoud M., El-Samahy H., Abdelkhalek H., Al-Hashel J., Ismail I. I., Salmeen A., Ghoreishi A., Sabetay S. I., Gross H., Klein P., Abdalkader M., Jabbour P., El Naamani K., Tjoumakaris S., Abbas R., Mohamed G. A., Chebl A., Min J., Hovingh M., Tsai J. P., Khan M., Nalleballe K., Onteddu S., Masoud H., Michael M., Kaur N., Maali L., Abraham M. G., Khandelwal P., Bach I., Ong M., Babici D., Khawaja A. M., Hakemi M., Rajamani K., Cano-Nigenda V., Arauz A., Amaya P., Llanos N., Arango A., Vences M. A., Barrientos Guerra J. D., Caetano R., Martins R. T., Scollo S. D., Yalung P. M., Nagendra S., Gaikwad A., Seo K. -D., Georgiopoulos G., Nogueira R. G., and Michel P.
- Abstract
Background and Objectives COVID-19–related inflammation, endothelial dysfunction, and coagulopathy may increase the bleeding risk and lower the efficacy of revascularization treatments in patients with acute ischemic stroke (AIS). We aimed to evaluate the safety and outcomes of revascularization treatments in patients with AIS and COVID-19. Methods This was a retrospective multicenter cohort study of consecutive patients with AIS receiving intravenous thrombolysis (IVT) and/or endovascular treatment (EVT) between March 2020 and June 2021 tested for severe acute respiratory syndrome coronavirus 2 infection. With a doubly robust model combining propensity score weighting and multivariate regression, we studied the association of COVID-19 with intracranial bleeding complications and clinical outcomes. Subgroup analyses were performed according to treatment groups (IVT-only and EVT). Results Of a total of 15,128 included patients from 105 centers, 853 (5.6%) were diagnosed with COVID-19; of those, 5,848 (38.7%) patients received IVT-only and 9,280 (61.3%) EVT (with or without IVT). Patients with COVID-19 had a higher rate of symptomatic intracerebral hemorrhage (SICH) (adjusted OR 1.53; 95% CI 1.16–2.01), symptomatic subarachnoid hemorrhage (SSAH) (OR 1.80; 95% CI 1.20–2.69), SICH and/or SSAH combined (OR 1.56; 95% CI 1.23–1.99), 24-hour mortality (OR 2.47; 95% CI 1.58–3.86), and 3-month mortality (OR 1.88; 95% CI 1.52–2.33). Patients with COVID-19 also had an unfavorable shift in the distribution of the modified Rankin score at 3 months (OR 1.42; 95% CI 1.26–1.60). Discussion Patients with AIS and COVID-19 showed higher rates of intracranial bleeding complications and worse clinical outcomes after revascularization treatments than contemporaneous non–COVID-19 patients receiving treatment. Current available data do not allow direct conclusions to be drawn on the effectiveness of revascularization treatments in patients with COVID-19 or to establish different treatment r
- Published
- 2023
6. Global overview of the management of acute cholecystitis during the COVID-19 pandemic (CHOLECOVID study)
- Author
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Spiers, H, Kouli, O, Ahmed, W, Varley, R, Ahari, D, Argus, L, Mclean, K, Kamarajah, S, Coe, P, Griffiths, E, Chan, A, Macutkiewicz, C, Jamdar, S, Wilson, M, Fullwood, C, Toogood, G, Gilchrist, A, Goldsworthy, M, Rashid, M, Pockney, P, Varela, J, Brindl, N, Ramirez, J, Marafante, C, Iwao, Y, Ghzawi, A, Elhadi, M, Gacaferi, H, Varghese, C, Adeyeye, A, Alser, O, Teh, C, Prieto, M, Hasan, A, Al-Naggar, H, Salgado, R, Veracierto, F, Lancelotti, T, Solinas, D, Oddi, R, Garcia, F, Mazza Diez, E, Andrade Ramirez, M, Bracco, R, Fernandez, D, Maraschio, M, Obeide, L, Giordano, E, Alcaraz, A, Marani, M, Aguirre, N, Luna, F, Francesconi, M, Chiham, F, Ramos Cossio, R, Alvarez, F, Pantoja Pachajoa, D, Mandojana, F, Merlo, I, Gonzalez, M, Cervelo, G, Puma, R, Vardaro, G, Davis, A, Jurat, D, Guenoff, C, Raubenheimer, K, Goddard, K, Brown, K, Wegrecki, K, Cheung, H, Yang, M, Siddiqui, J, Ahn, J, Huynh, R, Lam, Y, Afzal, M, Ong, B, Chua, M, Ly, K, Thomson, J, Watson, D, Dawson, A, Drane, A, Van Ruyven, S, Lun, E, Ferguson, M, Jeong, J, De Silva, C, Wills, V, Gundara, J, Mccourt, E, Bong, C, Tabone, R, Wong, W, Gray, A, Koh, D, Pollock, M, Singhal, S, Smith, R, Dudi-Venkata, N, Kanhere, H, Stranz, C, Seow, W, Mansour, L, Wormald, J, Loveday, B, Thomson, B, O'Donnell, T, Milenkovski, N, Herath, M, Trochsler, M, Farfus, A, Maddern, G, Bunjo, Z, Kuan, L, Atanasov, G, Samadov, E, Namazov, I, Asgarov, M, Ibrahimli, A, Srinivasan, M, Saeed, M, Aljawder, H, Juma, I, Coimbra, F, Marques, N, Casteleins, W, Petruzziello, A, Jabur, G, Rodriguez, J, Buso, P, Mackenzie, S, Hsiao, M, Sljivic, I, Tecson, A, Karanicolas, P, Roke, R, Moon, J, Butler, E, Riquelme, F, Yanez, M, Catan, F, Uribe, M, Carriel, F, Oppliger, F, Paredes, A, Daroch, D, Aguayo, J, Perez Rivera, C, Acosta Buitrago, L, Kadamani Abiyomaa, A, Mosquera Paz, M, Cabrera, P, Corso, J, Ozcay, N, Ozant, A, Arslan, K, Besim, H, Almezghwi, H, Azzam, A, Bessa, S, El-Sayes, I, Badawy, A, Wael, M, El-Gendi, A, Azab, M, Fayed, M, El Kassas, M, Gamal, M, Tawheed, A, Al Shafie, A, Emile, S, Elfallal, A, Elfeki, H, Shalaby, M, Sakr, A, Elbahnasawy, M, Shama, M, Abdel-Elsalam, W, Abd-Elsalam, S, Escobar Dominguez, J, Medrano, F, Gaitan, S, Escalon Gonzalez, O, Alfaro Varela, J, Cea, M, Interiano, M, Cabrera, B, Lakkis, Z, Georges, P, Antonot, C, Magnin, J, Kamphues, C, Lauscher, J, Schineis, C, Loch, F, Lee, L, Beyer, K, Bouchagier, K, Galanis, I, Bartziotas, D, Lostoridis, E, Tourountzi, P, Nagorni, E, Charalabopoulos, A, Baili, E, Kyros, E, Vagios, I, Skotsimara, A, Liakakos, T, Alexandrou, A, Papalampros, A, Papadopolous, V, Tooulias, A, Kentarchos, I, Christou, C, Tsoulfas, G, Tale-Rosales, L, Lopez Muralles, I, Melendez, H, Bran, G, Monroy Mahecha, F, Contreras, J, Porras, D, Paiz, E, Soto, E, Ixcayau Hernandez, J, Gupta, A, Rajput, D, Kumar, N, Mani, R, Kant, R, Sonkar, A, Anand, A, Agrawal, M, Gaurav, K, Tripathi, M, Sikora, S, Bharathy, K, Kumar Rangapa, M, Khuller, D, Bhojwwani, R, Ayyar, S, Jain, N, Mehraj, A, Hussain, F, Nazir, I, Shah, M, Chowdri, N, Hilmi, A, Argenio, G, Atelli, P, Palladino, E, Armellino, M, Tamini, N, Nespoli, L, Degrate, L, Angrisani, M, Carissimi, F, Bordoni, P, Fleres, F, Clarizia, G, Spolini, A, Franzini, M, Cucinotta, E, Badessi, G, Mazzeo, C, Viscosi, F, Pintabona, G, Campagnaro, T, Poletto, E, Turri, G, Ruzzenente, A, Conci, S, Guglielmi, A, Feo, C, Fabbri, N, Fazzin, M, Giaccari, S, Massani, M, Pelizzo, P, Colella, M, Tutino, R, Cappellacci, F, Medas, F, Canu, G, Erdas, E, Calo, P, Porcu, A, Perra, T, Scanu, A, Fancellu, A, Germani, P, Giunta, C, Biloslavo, A, Abdallah, H, Aizza, G, Barberis, A, Belli, F, Santoliquido, M, Filauro, M, Canonico, G, Nelli, T, Di Martino, C, Capezzuoli, L, Anastasi, A, Bressan, L, Cortinovis, S, Nagliati, C, Colombo, F, Ferrario, L, Bondurri, A, Guerci, C, Maffioli, A, Catena, F, Perrone, G, Giuffrida, M, Morini, A, Annicchiarico, A, Gallo, G, Carpino, A, Ferrari, F, De Paola, G, Sammarco, G, Callari, C, Licari, L, Sorce, V, Di Miceli, D, Lovisetto, F, Zonta, S, Chessa, A, Fiorini, A, De Manzoni Garberini, A, Angelini, E, Moggia, E, Murgese, A, Mungo, S, Birolo, S, Garino, M, Pipitone Federico, N, Muratore, A, Lunghi, E, Calabro, M, Cianci, P, Enrico, R, Capuzzolo, S, Cafagna, L, Minafra, M, Sasia, D, Gattolin, A, Migliore, M, Rimonda, R, Travaglio, E, De Marco, G, Elter, C, Bargellini, T, D'Amico, S, Zambonin, D, Caponi, A, Calini, G, Puggioni, A, Bresadola, V, Zalla, T, Cantafio, S, Feroci, F, Romoli, L, Giudicissi, R, Picciariello, A, Papagni, V, Dibra, R, Altomare, D, Pinotti, E, Montuori, M, Baronio, G, Tonini, V, Sartarelli, L, Gori, A, Cervellera, M, Lapolla, P, Sapienza, P, Brachini, G, Cirillo, B, Zambon, M, Mingoli, A, Pascariello, A, Boccia, L, Benedetti, S, Mantovani, G, De Angelis, M, Ferrara, F, Testa, V, Borghi, F, Maione, F, Pruiti Ciarello, V, Giraudo, G, Agresta, F, Cestaro, G, Prando, D, Cavallo, F, Zese, M, Cillara, N, Sechi, R, Cardia, R, Cannavera, A, Putzu, G, Frongia, F, Pisanu, A, Delogu, D, Esposito, G, Podda, M, Iossa, A, De Angelis, F, Boru, C, Silecchia, G, Palini, G, Garulli, G, Veneroni, S, Tammaro, P, Maida, P, Leake, P, Wanliss, M, Sato, K, Chiyonobu, N, Imamura, H, Yamazaki, S, Watanabe, M, Qasem, A, Ayasra, F, Al Dahabrh, S, Khaled, A, Alsaafin, S, Al-Thunaibat, A, Olaywah, D, Alqudah, S, Alqawasmi, S, Khamees, A, Guboug, A, Es Salim, M, Althwabteh, T, Bani Khaled, H, El-Hammuri, N, Aljesrawi, A, Alamaadany, F, Eljareh, M, Al Gasi, A, Alsaeiti, S, Alkhafeefi, A, Suliaman, T, Alanasri, A, Haroun, A, Haron, A, Kilani, A, Ahmed, M, Alawami, M, Alawami, A, Albashri, M, Abusannuga, M, Malek, A, Jwaili, N, Aldenfria, A, Elzwawi, F, Almugaddami, A, Egdeer, A, Masoud, M, Alazzabi, B, Alezabi, B, Shuwayyah, A, Alkamkhe, A, Aboulqasim, I, Atiyah, H, Alfagi, R, Abdulmula, A, Bouhuwaish, A, Samer, A, Salim, R, Aboazamazem, H, Almiqlash, B, Biala, M, Alganimi, W, Ghamgh, R, Ben Omar, N, Alsoufi, A, Aldreawi, M, Saleim, N, Sowan, F, Saleem, H, Ahmed, A, Samalavicius, N, Aliosin, O, Dailidenas, S, Dulskas, A, Buckus, B, Kuliesius, Z, Bradunaite, R, Dominguez-Rosado, I, Buerba, G, Posadas-Trujillo, O, Alfaro-Goldaracena, A, Cortes, R, Mercado, M, Beristain-Hernandez, J, Mora-Munoz, V, Mena-Bedolla, J, Palacios Ramirez, A, Astorga Medina, M, Van Aert, G, Ombashi, S, Spillenaar Bilgen, R, Vos, D, Besselink, M, Alberts, V, Busch, O, Bemelman, W, Boermeester, M, Daams, F, Gordinou De Gouberville, M, Van Duijvendijk, P, De Graaff, M, Baaij, J, Gans, S, Bos, K, Goudsmit, B, Den Dekker, B, Braat, A, Kuijpers, A, Breukers, S, Borel Rinkes, I, Andel, D, Hayes, T, Carson, D, Bhat, S, Van Der Have, J, Anderson, C, Bissett, I, Windsor, J, Elliott, B, Scowcroft, H, Mclauchlan, J, Ritchie, D, Jeffery, F, Connor, S, Xu, W, Mashlan, H, Thirayan, V, Ly, J, Mcguinness, M, Ferguson, L, Watt, I, Harmston, C, Akinmade, A, Enoch, E, Kayode-Nissi, V, Ogundele, I, Ayoade, B, Adekoya, A, Nwokoro, C, Opadeyi, A, Yusuf, A, Ojajuni, A, Adepoju, O, Muhammad Dauda, M, Keffi Mubarak, M, Lawal, K, Muhammad, D, Salonga, D, Sael, N, Rey, C, Pestano, M, Tan, D, Bangayan, N, Sy, D, Ang, D, Bernardo, E, Chua, J, Alharthi, M, Bukhari, W, Bakier Mohammed, K, Al Athath, S, Ghunaim, M, Saiedi, H, Sultan, N, Farsi, A, Basendowah, M, Malibary, N, Jaloun, H, Altalhi, D, Organjee, A, Moamena, M, Al Zaidi, T, Alyami, M, Alqannas, M, Al-Urfan, M, Elawad, A, Alawadhi, A, Alalawi, Y, Alqarni, A, Alqahtani, B, Alayed, A, Alsobaie, K, Adi, H, Elhaj, M, Dehlawi, A, Behairy, G, Khaled, I, Kmezic, S, Radenkovic, D, Aleksic, L, Markovic, V, Pejovic, I, Antic, A, Kalkan, M, Vujanovic Gadjanski, O, Dusan, S, Marcetic, B, Thiruchelvam, N, Chiow, A, Mun, D, Tan, E, Koh, Y, Loh, W, Wang, Z, Chan, C, Kloppers, C, Almgla, N, Bernon, M, Kahn, M, Karimbocus, N, Roldan Villavicencio, J, Goitia, V, Gutierrez Rios, R, Garcia Ruiz, S, Lopez Deogracias, M, Turrado-Rodriguez, V, Morales, X, Hessheimer, A, Termes Serra, R, Beltran De Heredia, J, Trujillo-Diaz, J, Herreros-Rodriguez, J, Montes-Manrique, M, De Andres-Asenjo, B, Beltran-Heredia, J, Gimenez Maurel, T, Utrilla Fornals, A, Martin Anoro, L, Cortese, S, Perez Diaz, M, Ballon, M, Morote, M, Cebolla Rojas, L, Oliver Guillen, J, Lopez De Fernandez, A, Del Campo Lavilla, M, Mora-Guzman, I, Escartin, A, Pinillos, A, Vela Polanco, F, Jara Quezada, J, Muriel Alvarez, P, Tur-Martinez, J, Camps, J, Herrero, E, Garcia-Domingo, M, Cugat Andorra, E, Crespi Mir, A, Claramonte Bellmunt, O, Vicens Arbona, J, Fernandez Burgos, I, Sarriugarte Lasarte, A, Marin, H, Tellaeche De La Iglesia, M, Ocerin Alganza, O, Salinas Gomez, J, Ramos-Martin, P, Urbieta, A, Nasimi Sabbagh, R, Castell Gomez, J, Serrablo, A, Paterna -Lopez, S, GutiCrossed D SignCopyrightrrez-Diez, M, Abadia-Forcen, M, Serradilla-Martin, M, Duran Munoz-Cruzado, V, Pareja Ciuro, F, Perea Del Pozo, E, Aparicio Sanchez, D, Dios-Barbeito, S, Marenco De La Cuadra, B, Retamar Gentil, M, Reguera-Rosal, J, Infantes Ormad, M, Lopez-Ruiz, J, Landaluce-Olavarria, A, Zevallos-Quiroz, J, Barrutia Leonardo, J, Emaldi, A, Begona, E, Balciscueta Coltell, I, Sebastian, M, Martinez Ramos, S, Martinez Alcaide, S, Lorenzo Perez, J, Martinez Insfran, L, Lopez-Morales, P, Gimenez Frances, C, Rahy-Martin, A, Pelloni, M, Ortiz-Lopez, D, Benet-Munoz, O, Pinero-Gonzalez, L, Alconchel, F, Nicolas-Lopez, T, Rodrigues, K, Cascales Campos, P, Gomez-Bosch, F, Ramirez Romero, P, Ibrahim, M, Hamid, H, Idres, R, Idris, M, Mohammed, O, Ayran, S, Sinan, A, Ozben, V, Aytac, E, Aliyeva, Z, Mutlu, A, Bilgin, I, Karahasanoglu, T, Hamzaoglu, I, Bozkirli, B, Uprak, T, Kotan, T, Coskun, M, Kara, Y, Somuncu, E, Kocatas, A, Bozkurt, M, Demirli Atici, S, Kaya, T, Sert, I, Emiroglu, M, Jaffar, M, Younis, M, Aziz, T, Ikram, F, Sandal, M, Al Madhloum Al Suwaidi, F, Alshaikh, M, Saber, A, Khammas, A, Nessa, A, Jardine, R, Nicol, L, Clark, C, Mcgee, A, Alkari, B, Feretis, M, Antakia, R, Georgiades, F, Moneim, J, O'Neill, R, Balakrishnan, A, Lunevicius, R, Sud, A, Moutsos, I, Gomez, D, Shahid, S, Majeed, T, Ibrahim, W, Kadum, K, Melia, R, Magee, C, Chicken, D, Kumar, S, Alshibshoubi, M, Van Laarhoven, S, Dewi, F, Williams, J, Byrne, B, Wilkerson, P, Tang, C, Farhangmehr, N, Jonas, A, Charavanamuttu, V, Almeida, K, Efthimiou, E, Boardley, J, White, A, Butt, M, Menzies, D, Gundkalli, Z, Hassanzadeh-Baboli, D, Jones, O, Mistry, P, Saha, S, Gerrard, A, Evans, J, Rajeev, S, Ali, W, Ross, E, Gilliam, A, Hitchins, C, Emslie, K, Spellar, K, Sked, H, Briggs, C, Brown, L, A Hemadasa, N, Apollos, J, Belgaumkar, A, Tawfik, A, Brewin, L, Oyewole, B, Wadhawan, H, Massie, E, Rutherford, D, Mcgivern, K, Mcelroy, L, De'Ath, H, Tobbal, M, Nagendram, S, Patel, P, Handa, S, Houghton, G, Sundaralingam, S, Parker, J, Morgan, R, Gala, T, Ibrahim, S, Harby, R, Abdelkarim, M, Holroyd, D, Thomas, R, Mclennan, E, Boardley, R, Jamieson, N, Ebied, H, Gossage, J, Davies, A, Wheatstone, S, Jawad, Z, Jiao, L, Rajagopal, P, Sodergren, M, Lami, M, Wiberg, A, Bond-Smith, G, Gemmill, E, Lenzi, E, Sapre, D, Herrod, P, Boyd-Carson, H, Garcea, G, Issa, E, Jackson, A, Fashina, T, Pan, H, Farquharson, B, Shafiq, H, Emanuel, O, Mahdi, S, Jeyarajah, S, Finch, L, Whiting, G, Pigott, L, Martin, J, Siriwardena, A, Beatson, K, Abawi, L, Lam, W, Rea, W, Andrews, B, Al-Sarireh, B, Soliman, F, Burridge, J, Jenvey, C, Hammoda, M, Hollyman, M, Merker, L, Richards, J, Sukumaran, V, Rogers, S, Payne, C, Bibi, S, Raza, K, Ul Ain, N, Dronamraju, S, Patil, S, Nachimuthu, S, Ravindran, S, Patel, S, Ivanov, B, Patel, M, Ejtehadi, F, Jebamani, J, Akhter Rahman, M, Woodun, H, De Prendergast, A, Afzal, A, Bota, E, Abdul, S, Karmarkar, R, Crockett, E, Evans, L, Appleton, B, Dada, O, Kulkarni, R, Albirnawi, H, Gravestock, P, Vincenti, C, Taribagil, S, Dent, B, Tse, C, Clayton, B, Burdekin, E, Bannister, L, Alam, I, Gray, J, Mactier, M, Pollock, A, Gough, V, Kanchustambam, S, Ridgway, M, Arujunan, K, Gopalswamy, S, Monteiro De Barros, J, Lyons, T, Griffith, D, Awan, A, Latif, J, Bandlamudi, N, Bhatti, I, Raptis, D, Machairas, N, Pissanou, T, Mestre-Costa, J, Hidalgo Salinas, C, Pollok, J, Al-Ardah, M, Watson-Jones, E, Rontree-Carey, T, Boyce, T, Hawkin, P, Elmaradny, A, Ross, K, Adu-Peprah, E, Pinto, K, Dunne, D, Mccready, R, Nita, G, Szatmary, P, Tay, V, Rajput, K, Rajendran, I, Chaudhury, M, Zambas, G, Swaminathan, C, Atif, Q, Barrow, T, Williams, O, Malik, A, Conroy, S, Lindley, S, Gilmore, K, Boden, E, Richards, S, Hraishawi, I, Polak, P, Mclaughlin, D, Deeny, D, Shuttleworth, R, Harris, A, Peilober-Richardson, A, Morris, G, Sara, X, Almourad, H, Ang, Y, Smyth, R, Ding, D, Foster, J, Bond, A, Kumar, Y, Ahmad, A, Radoi, D, Alkaili-Alyamani, A, Balakrishnan, S, Satchidanand, R, Danwaththa Liyanage, A, Blake, I, Ransome, M, Weerasinghe, C, Kenington, C, Mayo, K, Mohammed, M, Cockbain, A, Peckham-Cooper, A, Mccauley, G, Gordon, C, Smith, A, Hawkins, W, Chakravartty, S, Baillie, C, Kenny, R, Kumar, A, Koimtzis, G, Bellamy, E, Menon, A, Kanakala, A, Nevins, E, Madhavan, A, Thulasiraman, S, France, K, O'Connor, A, Idama, D, Raslan, C, Sridhar, S, Parveen, M, Mubashar, T, Jarvis, S, Cakmak, I, Wright, C, Andrews, S, Abdelsaid K Abdul Aal, Y, Jayasankar, B, Morilla, J, Shehata, M, Subba, N, Tewari, N, El-Sayed, C, Somaie, D, Beheiry, N, Douka, E, Arumugam, S, Wijetunga, I, Leivers, E, Ibrahim, B, Khan, K, Wheat, J, Christopher, J, Barnett, R, Elberm, H, Booker, J, Ashai, S, Berry, D, Luhmann, A, Sgro, A, Galea, M, Jeyakumar, J, Marriott, P, Zafar, S, Baker, A, Yershov, D, Galanopoulos, G, Jordan, R, Peinado Garcia, C, Anyaugo, N, Bath, M, Omatseye, J, Roberts, L, Argyriou, E, Machesney, M, Parmar, C, Clark, S, Khalil, H, Unsworth, S, Mlotshwa, M, Ayoub, N, Aboelkhair, A, Iosif, E, Mohamed, N, Reynolds, E, Mackender, E, Robinson, D, Mufti, W, Fischkoff, K, Coleman, N, Anantha Sathyanarayana, S, Deutsch, G, Giangola, M, Lin, D, Weiss, M, Chung, C, Nguyen, A, Mueller, J, Dabit, M, Gordon, J, Mcguire, E, Rashid, O, Georgi, E, Gallo, M, Kunstman, J, Peters, N, O'Connor, R, Bhattacharya, B, Onkendi, E, Santos, A, Richmond, R, Warren, M, Zhang, K, Broderick, R, Clary, B, Horgan, S, Doucet, J, Liepert, A, Harmon, L, Mccall, C, Sham, J, Williams, E, Labadie, K, Clark, N, Dickerson, L, Hammill, C, Williams, G, Kushner, B, Cos, H, Zarate Rodriguez, J, Bailey, K, Al-Raimi, I, Al-Zazay, K, Ahmed Mohammed Al-Mahdi, S, Mohammed Aldowbli, S, Al-Shehari, M, Shream, S, Al-Ameri, S, Aeed, M, Aldawbali, M, Alsayadi, R, Alsayadi, M, Spiers H. V. M., Kouli O., Ahmed W. U., Varley R., Ahari D., Argus L., McLean K. A., Kamarajah S. K., Coe P., Griffiths E. A., Chan A. K. C., Macutkiewicz C., Jamdar S., Wilson M., Fullwood C., Toogood G., McLean K., Ahmed W., Gilchrist A., Goldsworthy M., Rashid M., Pockney P., Varela J., Brindl N., Ramirez J., Marafante C., Iwao Y., Ghzawi A., Elhadi M., Gacaferi H., Varghese C., Adeyeye A., Alser O., Teh C., Prieto M., Hasan A., Al-Naggar H., Salgado R., Veracierto F., Lancelotti T., Solinas D., Oddi R., Garcia F. W., Mazza Diez E., Andrade Ramirez M. R., Bracco R., Fernandez D., Maraschio M. A., Obeide L., Giordano E., Alcaraz A., Marani M. A., Aguirre N., Luna F., Francesconi M., Chiham F., Ramos Cossio R., Alvarez F. A., Pantoja Pachajoa D. A., Mandojana F., Merlo I. G., Gonzalez M. H., Cervelo G., Puma R., Vardaro G. F., Davis A., Jurat D., Guenoff C., Raubenheimer K., Goddard K., Brown K., Wegrecki K. J., Cheung H. Y. C., Yang M., Cheung H., Siddiqui J., Ahn J. H., Huynh R., Lam Y. H., Afzal M., Ong B. S., Chua M. Y. M., Ly K., Thomson J. E., Watson D., Dawson A. C., Drane A., Van Ruyven S., Lun E. W. Y., Ferguson M., Jeong J. Y., De Silva C., Wills V., Gundara J., McCourt E., Bong C., Tabone R., Wong W. J., Gray A., Koh D., Pollock M., Singhal S., Smith R., Dudi-Venkata N. N., Kanhere H., Stranz C., Seow W., Mansour L. T., Wormald J., Loveday B. P. T., Thomson B., O'Donnell T., Milenkovski N., Herath M., Trochsler M., Farfus A., Maddern G., Bunjo Z., Kuan L. L., Atanasov G., Dawson A., Lun E., Samadov E., Namazov I., Asgarov M., Ibrahimli A., Srinivasan M., Saeed M. F., Aljawder H., Juma I., Coimbra F. J., Marques N., Casteleins W. A., Petruzziello A., Jabur G., Rodriguez J. F. P., Buso P. L., Mackenzie S., Hsiao M., Sljivic I., Tecson A., Karanicolas P. J., Roke R., Moon J., Butler E. V., Riquelme F., Yanez M., Catan F., Uribe M., Carriel F., Oppliger F., Paredes A., Daroch D., Aguayo J. C., Perez Rivera C. J., Acosta Buitrago L. M., Kadamani Abiyomaa A., Mosquera Paz M. S., Cabrera P., Corso J., Ozcay N., Ozant A., Arslan K., Besim H., Almezghwi H., Azzam A. Y., Bessa S., El-Sayes I., Badawy A., Wael M., El-Gendi A., Azab M. A., Fayed M., El Kassas M., Gamal M., Tawheed A., Al Shafie A., Emile S., Elfallal A., Elfeki H., Shalaby M., Sakr A., Elbahnasawy M., Shama M., Abdel-Elsalam W., Abd-Elsalam S., Escobar Dominguez J. E., Medrano F., Gaitan S., Escalon Gonzalez O. M., Alfaro Varela J. C., Cea M., Interiano M., Cabrera B., Lakkis Z., Georges P., Antonot C., Magnin J., Kamphues C., Lauscher J. C., Schineis C., Loch F. N., Lee L. D., Beyer K., Bouchagier K., Galanis I., Bartziotas D., Lostoridis E., Tourountzi P., Nagorni E. A., Charalabopoulos A., Baili E., Kyros E., Vagios I., Skotsimara A., Liakakos T., Alexandrou A., Papalampros A., Papadopolous V., Tooulias A., Kentarchos I., Christou C., Tsoulfas G., Tale-Rosales L. F., Lopez Muralles I., Melendez H., Bran G., Monroy Mahecha F. A., Contreras J. R., Porras D. E., Paiz E., Soto E. R., Ixcayau Hernandez J. R., Gupta A., Rajput D., Kumar N., Mani R., Kant R., Sonkar A. A., Anand A., Agrawal M. K., Gaurav K., Tripathi M., Sikora S., Bharathy K., Kumar Rangapa M., Khuller D. S., Bhojwwani R., Ayyar S., Jain N., Mehraj A., Hussain F., Nazir I., Shah M., Chowdri N. A., Hilmi A., Argenio G., Atelli P., Palladino E., Armellino M. F., Tamini N., Nespoli L. C., Degrate L., Angrisani M., Carissimi F., Bordoni P., Fleres F., Clarizia G., Spolini A., Franzini M., Cucinotta E., Badessi G., Mazzeo C., Viscosi F., Pintabona G., Campagnaro T., Poletto E., Turri G., Ruzzenente A., Conci S., Guglielmi A., Feo C., Fabbri N., Fazzin M., Giaccari S., Feo C. V., Massani M., Pelizzo P., Colella M., Tutino R., Cappellacci F., Medas F., Canu G. L., Erdas E., Calo P. G., Porcu A., Perra T., Scanu A. M., Feo C. F., Fancellu A., Germani P., Giunta C., Biloslavo A., Abdallah H., Aizza G., Barberis A., Belli F., Santoliquido M., Filauro M., Canonico G., Nelli T., Di Martino C., Capezzuoli L., Anastasi A., Bressan L., Cortinovis S., Nagliati C., Colombo F., Ferrario L., Bondurri A., Guerci C., Maffioli A., Catena F., Perrone G., Giuffrida M., Morini A., Annicchiarico A., Gallo G., Carpino A., Ferrari F., De Paola G., Sammarco G., Callari C., Licari L., Sorce V., Di Miceli D., Lovisetto F., Zonta S., Chessa A., Fiorini A., De Manzoni Garberini A., Angelini E., Moggia E., Murgese A., Mungo S., Birolo S. L., Garino M., Pipitone Federico N. S., Muratore A., Lunghi E. G., Calabro M., Cianci P., Enrico R., Capuzzolo S., Cafagna L., Minafra M., Sasia D., Gattolin A., Migliore M., Rimonda R., Travaglio E., De Marco G., Elter C., Bargellini T., D'Amico S., Zambonin D., Caponi A., Calini G., Puggioni A., Bresadola V., Zalla T., Cantafio S., Feroci F., Romoli L., Giudicissi R., Picciariello A., Papagni V., Dibra R., Altomare D. F., Pinotti E., Montuori M., Baronio G., Tonini V., Sartarelli L., Gori A., Cervellera M., Lapolla P., Sapienza P., Brachini G., Cirillo B., Zambon M., Mingoli A., Pascariello A., Boccia L., Benedetti S., Mantovani G., De Angelis M., Ferrara F., Testa V., Borghi F., Maione F., Pruiti Ciarello V., Giraudo G., Agresta F., Cestaro G., Prando D., Cavallo F., Zese M., Cillara N., Sechi R., Cardia R., Cannavera A., Putzu G., Frongia F., Pisanu A., Delogu D., Esposito G., Podda M., Iossa A., De Angelis F., Boru C., Silecchia G., Palini G. M., Garulli G., Veneroni S., Tammaro P., Maida P., Leake P. A., Wanliss M. G., Sato K., Chiyonobu N., Imamura H., Yamazaki S., Watanabe M., Qasem A., Ayasra F., Al Dahabrh S., Khaled A., Alsaafin S., Al-Thunaibat A., Olaywah D., Alqudah S., Alqawasmi S., Khamees A., Guboug A., Es Salim M., Althwabteh T., Bani Khaled H., El-Hammuri N., Aljesrawi A., Alamaadany F., Eljareh M., Al Gasi A. E. J., Alsaeiti S., Alkhafeefi A. S., Suliaman T., Alanasri A. H. A., Haroun A. B. A., Haron A., Kilani A. I., Ahmed M., Alawami M., Alawami A., Albashri M., Abusannuga M., Malek A., Jwaili N., Aldenfria A., Elzwawi F., Almugaddami A., Egdeer A. S. A., Masoud M., Alazzabi B., Alezabi B., Shuwayyah A., Alkamkhe A. A. S., Aboulqasim I., Atiyah H., Alfagi R. A. A., Abdulmula A., Bouhuwaish A., Samer A., Salim R., Aboazamazem H., Almiqlash B., Biala M., Alganimi W., Ghamgh R., Ben Omar N., Alsoufi A., Aldreawi M., Saleim N., Sowan F., Saleem H., Ahmed A., Samalavicius N. 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G., Calabro M., Cianci P., Enrico R., Capuzzolo S., Cafagna L., Minafra M., Sasia D., Gattolin A., Migliore M., Rimonda R., Travaglio E., De Marco G., Elter C., Bargellini T., D'Amico S., Zambonin D., Caponi A., Calini G., Puggioni A., Bresadola V., Zalla T., Cantafio S., Feroci F., Romoli L., Giudicissi R., Picciariello A., Papagni V., Dibra R., Altomare D. F., Pinotti E., Montuori M., Baronio G., Tonini V., Sartarelli L., Gori A., Cervellera M., Lapolla P., Sapienza P., Brachini G., Cirillo B., Zambon M., Mingoli A., Pascariello A., Boccia L., Benedetti S., Mantovani G., De Angelis M., Ferrara F., Testa V., Borghi F., Maione F., Pruiti Ciarello V., Giraudo G., Agresta F., Cestaro G., Prando D., Cavallo F., Zese M., Cillara N., Sechi R., Cardia R., Cannavera A., Putzu G., Frongia F., Pisanu A., Delogu D., Esposito G., Podda M., Iossa A., De Angelis F., Boru C., Silecchia G., Palini G. M., Garulli G., Veneroni S., Tammaro P., Maida P., Leake P. A., Wanliss M. G., Sato K., Chiyonobu N., Imamura H., Yamazaki S., Watanabe M., Qasem A., Ayasra F., Al Dahabrh S., Khaled A., Alsaafin S., Al-Thunaibat A., Olaywah D., Alqudah S., Alqawasmi S., Khamees A., Guboug A., Es Salim M., Althwabteh T., Bani Khaled H., El-Hammuri N., Aljesrawi A., Alamaadany F., Eljareh M., Al Gasi A. E. J., Alsaeiti S., Alkhafeefi A. S., Suliaman T., Alanasri A. H. A., Haroun A. B. A., Haron A., Kilani A. I., Ahmed M., Alawami M., Alawami A., Albashri M., Abusannuga M., Malek A., Jwaili N., Aldenfria A., Elzwawi F., Almugaddami A., Egdeer A. S. A., Masoud M., Alazzabi B., Alezabi B., Shuwayyah A., Alkamkhe A. A. S., Aboulqasim I., Atiyah H., Alfagi R. A. A., Abdulmula A., Bouhuwaish A., Samer A., Salim R., Aboazamazem H., Almiqlash B., Biala M., Alganimi W., Ghamgh R., Ben Omar N., Alsoufi A., Aldreawi M., Saleim N., Sowan F., Saleem H., Ahmed A., Samalavicius N. E., Aliosin O., Dailidenas S., Dulskas A., Buckus B., Kuliesius Z., Bradunaite R., Dominguez-Rosado I., Buerba G. A., Posadas-Trujillo O. E., Alfaro-Goldaracena A., Cortes R., Mercado M. A., Beristain-Hernandez J. L., Mora-Munoz V. S., Mena-Bedolla J. M., Palacios Ramirez A. R., Astorga Medina M. M., Van Aert G., Ombashi S., Spillenaar Bilgen R., Vos D., Besselink M., Alberts V., Busch O., Bemelman W., Boermeester M., Daams F., Gordinou De Gouberville M., Van Duijvendijk P., De Graaff M., Baaij J., Gans S., Bos K., Goudsmit B., Den Dekker B., Braat A., Kuijpers A., Breukers S., Borel Rinkes I., Andel D., Hayes T., Carson D., Bhat S., Van Der Have J., Anderson C., Bissett I., Windsor J., Elliott B. M., Scowcroft H., McLauchlan J., Ritchie D., Jeffery F., Connor S., Xu W., Mashlan H., Thirayan V., Ly J., McGuinness M. J., Ferguson L., Watt I., Harmston C., Akinmade A., Enoch E., Kayode-Nissi V., Ogundele I., Ayoade B. A., Adekoya A., Nwokoro C., Opadeyi A., Yusuf A., Ojajuni A., Adepoju O., Muhammad Dauda M., Keffi Mubarak M., Lawal K., Muhammad D., Salonga D., Sael N. A., Rey C. M., Pestano M., Tan D., Bangayan N. R., Sy D. K., Ang D., Bernardo E., Chua J. P., Alharthi M., Bukhari W., Bakier Mohammed K., Al Athath S., Ghunaim M., Saiedi H., Sultan N., Farsi A., Basendowah M., Malibary N., Jaloun H., Altalhi D., Organjee A., Moamena M., Al Zaidi T. M., Alyami M., Alqannas M., Al-Urfan M., Elawad A., Alawadhi A., Alalawi Y., Alqarni A., Alqahtani B., Alayed A., Alsobaie K., Adi H., Elhaj M., Dehlawi A., Behairy G., Khaled I., Kmezic S., Radenkovic D., Aleksic L., Markovic V., Pejovic I., Antic A., Kalkan M., Vujanovic Gadjanski O., Dusan S., Marcetic B., Thiruchelvam N., Chiow A. K. H., Lee L. S., Mun D. Y. C., Tan E. K., Koh Y. X., Loh W. L., Wang Z., Chan C. Y., Kloppers C., Almgla N., Bernon M., Kahn M., Karimbocus N., Roldan Villavicencio J. I., Goitia V., Gutierrez Rios R. D., Garcia Ruiz S., Lopez Deogracias M., Turrado-Rodriguez V., Morales X., Hessheimer A., Termes Serra R., Beltran De Heredia J., Trujillo-Diaz J., Herreros-Rodriguez J., Montes-Manrique M., De Andres-Asenjo B., Beltran-Heredia J., Gimenez Maurel T., Utrilla Fornals A., Martin Anoro L. F., Cortese S., Perez Diaz M. D., Ballon M., Morote M., Cebolla Rojas L., Oliver Guillen J. R., Lopez De Fernandez A., Del Campo Lavilla M., Mora-Guzman I., Escartin A., Pinillos A., Vela Polanco F. F., Jara Quezada J. H., Muriel Alvarez P., Tur-Martinez J., Camps J., Herrero E., Garcia-Domingo M. I., Cugat Andorra E., Crespi Mir A., Claramonte Bellmunt O., Vicens Arbona J. C., Fernandez Burgos I. R., Sarriugarte Lasarte A., Marin H., Tellaeche De La Iglesia M., Ocerin Alganza O., Salinas Gomez J., Ramos-Martin P., Urbieta A., Nasimi Sabbagh R., Castell Gomez J. T., Serrablo A., Paterna -Lopez S., GutiCrossed D SignCopyrightrrez-Diez M., Abadia-Forcen M. T., Serradilla-Martin M., Duran Munoz-Cruzado V. M., Pareja Ciuro F., Perea Del Pozo E., Aparicio Sanchez D., Dios-Barbeito S., Marenco De La Cuadra B., Retamar Gentil M., Reguera-Rosal J., Infantes Ormad M., Lopez-Ruiz J. A., Landaluce-Olavarria A., Zevallos-Quiroz J. C., Barrutia Leonardo J., Emaldi A., Begona E., Balciscueta Coltell I., Sebastian M., Martinez Ramos S., Martinez Alcaide S., Lorenzo Perez J., Martinez Insfran L. A., Lopez-Morales P., Gimenez Frances C., Rahy-Martin A., Pelloni M., Ortiz-Lopez D., Benet-Munoz O., Pinero-Gonzalez L., Alconchel F., Nicolas-Lopez T., Rodrigues K., Cascales Campos P. A., Gomez-Bosch F., Ramirez Romero P., Ibrahim M., Hamid H. K. S., Idres R., Idris M., Mohammed O., Ayran S., Sinan A. H., Ozben V., Aytac E., Aliyeva Z., Mutlu A. U., Bilgin I. A., Karahasanoglu T., Hamzaoglu I., Bozkirli B., Uprak T. K., Kotan T., Coskun M., Kara Y., Somuncu E., Kocatas A., Bozkurt M. A., Demirli Atici S., Kaya T., Sert I., Emiroglu M., Jaffar M., Younis M. U., Aziz T., Ikram F., Sandal M., Al Madhloum Al Suwaidi F., Alshaikh M. O., Saber A., Khammas A., Nessa A., Jardine R., Nicol L., Clark C., McGee A., Alkari B., Feretis M., Antakia R., Georgiades F., Moneim J., O'Neill R., Balakrishnan A., Lunevicius R., Sud A., Moutsos I., Gomez D., Shahid S., Majeed T., Ibrahim W. K. G., Kadum K., Melia R., Magee C., Chicken D. W., Kumar S., Alshibshoubi M., Van Laarhoven S., Dewi F., Williams J., Byrne B., Wilkerson P., Tang C. B., Farhangmehr N., Jonas A., Charavanamuttu V., Almeida K., Efthimiou E., Boardley J., White A., Butt M. A., Menzies D., Gundkalli Z., Hassanzadeh-Baboli D., Jones O., Mistry P., Saha S., Gerrard A., Evans J., Rajeev S., Ali W., Ross E., Gilliam A., Hitchins C., Emslie K., Spellar K., Sked H., Briggs C., Brown L., A Hemadasa N., Apollos J. R., Belgaumkar A., Tawfik A., Brewin L., Oyewole B., Wadhawan H., Massie E., Rutherford D., McGivern K., McElroy L., De'Ath H. D., Tobbal M., Nagendram S., Patel P., Handa S., Houghton G., Sundaralingam S. S., Parker J., Morgan R., Gala T., Ibrahim S., Harby R., Abdelkarim M., Holroyd D., Thomas R., McLennan E., Boardley R., Jamieson N. B., Ebied H., Gossage J., Davies A., Wheatstone S., Jawad Z., Jiao L., Rajagopal P., Sodergren M., Lami M., Wiberg A., Bond-Smith G., Gemmill E., Lenzi E., Sapre D., Herrod P., Boyd-Carson H., Garcea G., Issa E., Jackson A., Fashina T., Pan H., Farquharson B., Shafiq H., Emanuel O., Mahdi S., Jeyarajah S., Finch L., Whiting G., Pigott L., Martin J., Siriwardena A. K., Beatson K., Abawi L., Lam W., Rea W., Andrews B., Al-Sarireh B., Soliman F., Burridge J., Jenvey C., Hammoda M., Hollyman M., Merker L., Richards J., Sukumaran V., Rogers S., Payne C., Bibi S., Raza K., Ul Ain N., Dronamraju S., Patil S., Nachimuthu S., Ravindran S., Patel S., Ivanov B., Patel M., Ejtehadi F., Jebamani J., Akhter Rahman M. M., Woodun H., De Prendergast A., Afzal A., Bota E., Abdul S. R., Karmarkar R., Crockett E., Evans L., Appleton B., Griffiths E., Dada O., Kulkarni R., Albirnawi H., Gravestock P., Vincenti C., Taribagil S., Dent B., Tse C., Clayton B., Burdekin E., Bannister L., Alam I., Gray J., Mactier M., Pollock A., Gough V., Kanchustambam S. R., Ridgway M., Arujunan K., Gopalswamy S., Monteiro De Barros J., Lyons T., Griffith D., Awan A. K., Latif J., Bandlamudi N., Bhatti I., Raptis D. A., Machairas N., Pissanou T., Mestre-Costa J., Hidalgo Salinas C., Pollok J. M., Al-Ardah M., Watson-Jones E., Rontree-Carey T., Boyce T., Hawkin P., Elmaradny A., Ross K., Adu-Peprah E., Pinto K., Dunne D., McCready R., Nita G., Szatmary P., Tay V. L., Rajput K., Rajendran I., Chaudhury M., Zambas G., Swaminathan C., Atif Q. A. A., Barrow T., Williams O., Malik A., Conroy S., Lindley S., Gilmore K., Boden E., Richards S. K., Hraishawi I., Polak P., McLaughlin D., Deeny D., Shuttleworth R., Harris A., Peilober-Richardson A., Morris G. C., Sara X., Almourad H., Ang Y., Smyth R., Ding D., Foster J., Bond A., Kumar Y., Ahmad A., Radoi D., Alkaili-Alyamani A., Balakrishnan S., Satchidanand R. Y., Danwaththa Liyanage A. S., Blake I., Ransome M., Weerasinghe C., Kenington C., Mayo K., Mohammed M., Cockbain A. J., Peckham-Cooper A., McCauley G., Gordon C., Smith A., Hawkins W., Chakravartty S., Baillie C., Kenny R., Kumar A., Koimtzis G., Bellamy E., Menon A., Kanakala A., Nevins E. J., Madhavan A., Thulasiraman S., France K., O'Connor A., Idama D., Raslan C., Sridhar S., Parveen M., Mubashar T., Jarvis S., Cakmak I., Wright C., Andrews S., Abdelsaid K Abdul Aal Y., Jayasankar B., Morilla J., Shehata M., Subba N., Tewari N., El-Sayed C., Somaie D., Beheiry N., Douka E., Arumugam S., Wijetunga I., Leivers E., Ibrahim B., Khan K., Wheat J., Christopher J., Barnett R., Elberm H., Booker J., Ashai S., Berry D., Luhmann A., Sgro A., Rashid M. M., Galea M., Jeyakumar J., Marriott P., Zafar S., Baker A., Yershov D., Galanopoulos G., Jordan R., Peinado Garcia C., Anyaugo N., Bath M. F., Omatseye J., Roberts L., Argyriou E. O., Machesney M., Parmar C., Clark S., Khalil H., Unsworth S., Mlotshwa M., Ayoub N., Aboelkhair A., Iosif E., Mohamed N., Reynolds E., Mackender E., Robinson D., Mufti W., Fischkoff K., Coleman N., Anantha Sathyanarayana S., Deutsch G., Giangola M., Lin D., Weiss M., Chung C., Nguyen A., Mueller J., Dabit M., Gordon J., McGuire E., Rashid O., Georgi E., Gallo M., Kunstman J. W., Peters N. V., O'Connor R., Bhattacharya B., Onkendi E., Santos A. P., Richmond R., Warren M., Zhang K., Broderick R., Clary B., Horgan S., Doucet J., Liepert A., Harmon L., McCall C., Sham J. G., Williams E., Labadie K. P., Clark N. M., Dickerson L. K., Hammill C. W., Williams G., Kushner B., Cos H., Zarate Rodriguez J., Bailey K., Al-Raimi I. M. N., Al-Zazay K., Ahmed Mohammed Al-Mahdi S., Mohammed Aldowbli S., Al-Shehari M., Shream S., Al-Ameri S., Aeed M., Aldawbali M., Alsayadi R., and Alsayadi M.
- Abstract
https://www.scopus.com/record/display.uri?eid=2-s2.0-85138595712&origin=inward&txGid=728c82ff11b9726b5d443216a91e7ffa#:~:text=Background: This study,of this pandemic.
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- 2022
7. CT-based stopping-power ratio prediction using a Hounsfield look-up table: A consensus guide
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Taasti, V., Peters, N., Bolsi, A., Vallhagen Dahlgren, C., Ellerbrock, M., Gomà, C., Góra, J., Cambraia Lopes, P., Rinaldi, I., Salvo, K., Sojat Tarp, I., Vai, A., Bortfeld, T., Lomax, A., (0000-0003-4261-4214) Richter, C., Wohlfahrt, P., Taasti, V., Peters, N., Bolsi, A., Vallhagen Dahlgren, C., Ellerbrock, M., Gomà, C., Góra, J., Cambraia Lopes, P., Rinaldi, I., Salvo, K., Sojat Tarp, I., Vai, A., Bortfeld, T., Lomax, A., (0000-0003-4261-4214) Richter, C., and Wohlfahrt, P.
- Abstract
Motivation Large variations in stopping-power ratio (SPR) prediction from computed tomography (CT) across European proton centres were observed in recent studies. To standardise CT-based SPR prediction using a Hounsfield look-up table (HLUT), a step-by-step consensus guide, created within the ESTRO Physics Workshop 2021 in a joint effort with EPTN-WP5, is presented. Methods The HLUT specification process includes six steps: Phantom setup, CT acquisition, CT number extraction, SPR determination, HLUT specification, and HLUT validation. Appropriate phantom inserts are tissue-equivalent for both X-ray and proton interactions and are scanned in head- and body-sized phantoms to mimic different beam hardening conditions. Soft tissue inserts can be scanned together, while scanning bone inserts individually reduces imaging artefacts. For optimal HLUT specification, the SPR of phantom inserts is measured and the SPR of tabulated human tissues is computed stoichiometrically. The HLUT stability is increased by including both phantom inserts and tabulated human tissues. Piecewise linear regressions of CT numbers and SPRs are performed for four tissue groups (lung, adipose, soft tissue, and bone) and then connected. Finally, a thorough validation is performed. Results The best practices and individual challenges are explained comprehensively for each step. A well-defined strategy for specifying the connection points between the individual line segments of the HLUT is presented. The guide was tested exemplarily on three CT scanners from different vendors, proving its feasibility on both single-energy CT and virtual monoenergetic images from dual-energy CT. Conclusion The presented step-by-step guide for CT-based HLUT specification with recommendations and examples can increase the clinical range prediction accuracy and reduce its inter-centre variation.
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- 2023
8. Consensus guide on CT-based prediction of stopping-power ratio using a Hounsfield look-up table for proton therapy
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Peters, N., Trier Taasti, V., Ackermann, B., Bolsi, A., Vallhagen Dahlgren, C., Ellerbrock, M., Fracchiolla, F., Gomà, C., Góra, J., Cambraia Lopes, P., Rinaldi, I., Salvo, K., Sojat Tarp, I., Vai, A., Bortfeld, T., Lomax, A., (0000-0003-4261-4214) Richter, C., Wohlfahrt, P., Peters, N., Trier Taasti, V., Ackermann, B., Bolsi, A., Vallhagen Dahlgren, C., Ellerbrock, M., Fracchiolla, F., Gomà, C., Góra, J., Cambraia Lopes, P., Rinaldi, I., Salvo, K., Sojat Tarp, I., Vai, A., Bortfeld, T., Lomax, A., (0000-0003-4261-4214) Richter, C., and Wohlfahrt, P.
- Abstract
Background and purpose: Studies have shown large variations in stopping-power ratio (SPR) prediction from computed tomography (CT) across European proton centres. To standardise this process, a step-by-step guide on specifying a Hounsfield look-up table (HLUT) is presented here. Materials and methods: The HLUT specification process is divided into six steps: Phantom setup, CT acquisition, CT number extraction, SPR determination, HLUT specification, and HLUT validation. Appropriate CT phantoms have a head- and body-sized part, with tissue-equivalent inserts in regard to X-ray and proton interactions. CT numbers are extracted from a region-of-interest covering the inner 70% of each insert in-plane and several axial CT slices in scan direction. For optimal HLUT specification, the SPR of phantom inserts is measured in a proton beam and the SPR of tabulated human tissues is computed stoichiometrically at 100 MeV. Including both phantom inserts and tabulated human tissues increases HLUT stability. Piecewise linear regressions are performed between CT numbers and SPRs for four tissue groups (lung, adipose, soft tissue, and bone) and then connected with straight lines. Finally, a thorough but simple validation is performed. Results: The best practices and individual challenges are explained comprehensively for each step. A well-defined strategy for specifying the connection points between the individual line segments of the HLUT is presented. The guide was tested exemplarily on three CT scanners from different vendors, proving its feasibility. Conclusion: The presented step-by-step guide for CT-based HLUT specification with recommendations and examples can contribute to reduce inter-centre variations in SPR prediction.
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- 2023
9. Consensus guide on CT-based prediction of stopping-power ratio using a Hounsfield look-up table
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Trier Taasti, V., Peters, N., Bolsi, A., Vallhagen Dahlgren, C., Ellerbrock, M., Gomà, C., Góra, J., Cambraia Lopes, P., Rinaldi, I., Salvo, K., Sojat Tarp, I., Vai, A., Bortfeld, T., Lomax, A., (0000-0003-4261-4214) Richter, C., Wohlfahrt, P., Trier Taasti, V., Peters, N., Bolsi, A., Vallhagen Dahlgren, C., Ellerbrock, M., Gomà, C., Góra, J., Cambraia Lopes, P., Rinaldi, I., Salvo, K., Sojat Tarp, I., Vai, A., Bortfeld, T., Lomax, A., (0000-0003-4261-4214) Richter, C., and Wohlfahrt, P.
- Abstract
Purpose/Objective Studies within the European Particle Therapy Network (EPTN) have shown a large variation in the estimation of proton stopping-power ratio (SPR) from computed tomography (CT) scans across European proton centres. To standardise the SPR prediction process, we present a step-by-step guide on the Hounsfield look-up table (HLUT) specification process. This consensus guide was created within the ESTRO Physics Workshop 2021 on CT in radiotherapy in a joint effort with the EPTN Work Package 5 (WP5). Material/Methods The HLUT specification procedure is divided into six steps (Figure 1): 1) phantom setup, 2) CT scanning, 3) CT number extraction, 4) SPR determination, 5) HLUT specification, 6) HLUT evaluation. For each step, considerations and recommendations are given based on literature and additional experimental evaluations. Appropriate phantom inserts are tissue-equivalent for both X-ray and proton interactions and are scanned in head- and body-sized phantoms to mimic different beam hardening conditions. Soft tissue inserts can be scanned together, while bone inserts are scanned individually to avoid imaging artefacts. CT numbers are extracted in material-specific regions-of-interest covering the inner 70% of each phantom insert in-plane and several axial CT slices in scan direction. For an appropriate HLUT specification, the SPR of phantom inserts is experimentally determined in proton range measurements at an energy >200 MeV, and the SPR of tabulated human tissues is computed stoichiometrically at 100 MeV. By including both phantom inserts and tabulated human tissues in the HLUT specification, the influence of the respective dataset-specific uncertainties are mitigated and thus the HLUT accuracy is increased. Piecewise linear regressions are performed between CT numbers and SPRs for four individual tissue segments (lung, adipose, soft tissue and bone) and then connected with straight lines. A thorough but simple validation is finally performed. Results
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- 2023
10. Sex Differences in Outcomes of Intravenous Thrombolysis in Acute Ischemic Stroke Patients with Preadmission Use of Antiplatelets
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Noseda, R, Rea, F, Pagnamenta, A, Agazzi, P, Bianco, G, Sihabdeen, S, Seiffge, D, Michel, P, Nedeltchev, K, Bonati, L, Kägi, G, Niederhauser, J, Nyffeler, T, Luft, A, Wegener, S, Schelosky, L, Medlin, F, Rodic, B, Peters, N, Renaud, S, Mono, M, Carrera, E, Fischer, U, Ceschi, A, Cereda, C, Noseda, Roberta, Rea, Federico, Pagnamenta, Alberto, Agazzi, Pamela, Bianco, Giovanni, Sihabdeen, Shairin, Seiffge, David, Michel, Patrik, Nedeltchev, Krassen, Bonati, Leo, Kägi, Georg, Niederhauser, Julien, Nyffeler, Thomas, Luft, Andreas, Wegener, Susanne, Schelosky, Ludwig, Medlin, Friedrich, Rodic, Biljana, Peters, Nils, Renaud, Susanne, Mono, Marie-Luise, Carrera, Emmanuel, Fischer, Urs, Ceschi, Alessandro, Cereda, Carlo Walter, Noseda, R, Rea, F, Pagnamenta, A, Agazzi, P, Bianco, G, Sihabdeen, S, Seiffge, D, Michel, P, Nedeltchev, K, Bonati, L, Kägi, G, Niederhauser, J, Nyffeler, T, Luft, A, Wegener, S, Schelosky, L, Medlin, F, Rodic, B, Peters, N, Renaud, S, Mono, M, Carrera, E, Fischer, U, Ceschi, A, Cereda, C, Noseda, Roberta, Rea, Federico, Pagnamenta, Alberto, Agazzi, Pamela, Bianco, Giovanni, Sihabdeen, Shairin, Seiffge, David, Michel, Patrik, Nedeltchev, Krassen, Bonati, Leo, Kägi, Georg, Niederhauser, Julien, Nyffeler, Thomas, Luft, Andreas, Wegener, Susanne, Schelosky, Ludwig, Medlin, Friedrich, Rodic, Biljana, Peters, Nils, Renaud, Susanne, Mono, Marie-Luise, Carrera, Emmanuel, Fischer, Urs, Ceschi, Alessandro, and Cereda, Carlo Walter
- Abstract
Aim: To compare safety and functional outcomes of intravenous thrombolysis (IVT) between females and males with acute ischaemic stroke (AIS) in relation to preadmission use of antiplatelets. Methods: Multicentre cohort study of patients admitted from 1 January 2014 to 31 January 2020 to hospitals participating in the Swiss Stroke Registry, presenting with AIS and receiving IVT. Primary safety outcome was in-hospital symptomatic intracerebral haemorrhage (sICH). Primary functional outcome was functional independence at 3 months after discharge. Multivariable logistic regression models were fitted to assess the association between sex and each outcome according to preadmission use of antiplatelets. Results: The study included 4996 patients (42.51 % females, older than males, median age 79 vs 71 years, p < 0.0001). Comparable proportions of females (39.92 %) and males (40.39 %) used antiplatelets before admission (p = 0.74). In total, 3.06 % females and 2.47 % males developed in-hospital sICH (p = 0.19), with similar odds (adjusted odds ratio, [AOR] 0.93, 95 % confidence interval, [CI] 0.63–1.39). No interaction was found between sex and preadmission use of either single or dual antiplatelets in relation to in-hospital sICH (p = 0.94 and p = 0.23). Males had higher odds of functional independence at 3 months (AOR 1.34, 95 % CI 1.09–1.65), regardless of preadmission use of antiplatelets (interaction between sex and preadmission use of either single or dual antiplatelets p = 0.41 and p = 0.58). Conclusion: No sex differences were observed in the safety of IVT regarding preadmission use of antiplatelets. Males showed more favourable 3-month functional independence than females; however, this sex difference was apparently not explained by a sex-specific mechanism related to preadmission use of antiplatelets.
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- 2023
11. Omphalocele containing an umbilical evagination of the bladder:A case report
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Huijgen, D., Versteegh, H. P., Cornette, J. M.J., Peters, N. C.J., Meeussen, C. J.H.M., Sloots, C. E.J., Huijgen, D., Versteegh, H. P., Cornette, J. M.J., Peters, N. C.J., Meeussen, C. J.H.M., and Sloots, C. E.J.
- Abstract
Background: An omphalocele is a common congenital abdominal wall defect, however co-occurring urological anomalies are rare. With the aim of optimizing treatment in future cases, we present a case of a male newborn with an omphalocele containing an unusual mucosal protruding mass, and give an overview of differential diagnosis and current literature. Case presentation: A newborn presented with an omphalocele containing small bowel, and a defect in the sac through which a protruding annular mucosal mass was visible. On previous prenatal ultrasounds, there were findings of an enlarged urinary bladder with patent urachus, communicating with a large allantoic cyst. The patient was taken to the operating room for exploration of the mucosal mass, which then appeared to be connected to an opening in the urinary bladder. The mucosal mass was successfully excised and the urinary bladder and abdominal wall defect were both primarily closed. Conclusions: Omphalocele with co-occurring urological anomalies are rare and come with a broad differential diagnosis. Surgeons must take prenatal, clinical and perioperative findings in consideration in order to adequately diagnose and treat the anomalies.
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- 2023
12. Clinical associations and prognostic significance of enlarged perivascular spaces in patients with previous ischaemic stroke or tia: a pooled analysis of individual patient data.
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Best J.G., Ambler G., Wilson D., Du H., Lee K.-J., Lim J.-S., Teo K.C., Mak H.K.F., Kim Y.D., Song T.-J., Demirelli D.S., Nishihara M., Yoshikawa M., Kubacka M., Zietz A., Al-Shahi Salman R., Jager H.R., Lip G.Y.H., Panos L.D., Goeldlin M.B., Slater L.-A., Karayiannis C., Phan T., Franke M., Abrigo J., Cheng C., Leung T., Chu W., Chappell F., Makin S., Van Dam-Nolen D.H.K., Kooi M.E., Kohler S., Staals J., Bordet R., Dubost F., Wardlaw J., Soo Y., Fluri F., Srikanth V., Jung S., Peters N., Hara H., Yakushiji Y., Orken D.N., Heo J.H., Lau K.K., Bae H.-J., Werring D.J., Best J.G., Ambler G., Wilson D., Du H., Lee K.-J., Lim J.-S., Teo K.C., Mak H.K.F., Kim Y.D., Song T.-J., Demirelli D.S., Nishihara M., Yoshikawa M., Kubacka M., Zietz A., Al-Shahi Salman R., Jager H.R., Lip G.Y.H., Panos L.D., Goeldlin M.B., Slater L.-A., Karayiannis C., Phan T., Franke M., Abrigo J., Cheng C., Leung T., Chu W., Chappell F., Makin S., Van Dam-Nolen D.H.K., Kooi M.E., Kohler S., Staals J., Bordet R., Dubost F., Wardlaw J., Soo Y., Fluri F., Srikanth V., Jung S., Peters N., Hara H., Yakushiji Y., Orken D.N., Heo J.H., Lau K.K., Bae H.-J., and Werring D.J.
- Abstract
Background and aims: Enlarged perivascular spaces are an emerging marker of cerebral small vessel disease (CSVD) and might predict future stroke. However, results from existing studies vary. We aimed to clarify this through a large multicentre analysis. Method(s): We pooled individual patient data from a consortium of prospective observational studies. Participants had recent ischaemic stroke or TIA, underwent baseline MRI, and were followed up for ischaemic stroke and symptomatic intracranial haemorrhage (ICH). Perivascular spaces in the basal ganglia (BGPVS) and centrum semiovale (CSOPVS) were rated using a validated visual scale. We investigated clinical and radiological associations cross-sectionally using multinomial logistic regression, and prospective associations with ischaemic stroke and ICH using Cox regression. Result(s): We included 7,778 participants from 16 studies. Over a median follow-up of 1.47 years, 80 ICH and 424 ischaemic strokes occurred. BGPVS were associated with increasing age, hypertension, hyperlipidaemia, previous ischaemic stroke, previous ICH, lacunes, cerebral microbleeds (CMBs) and white matter hyperintensities. CSOPVS showed similar but weaker associations. Prospectively, after adjusting for potential confounders including CMBs, BGPVS were associated with ischaemic stroke (11-20 BGPVS: HR 1.20, 95% CI 0.93-1.54; 21+ BGPVS: HR 1.50, 95% CI 1.10-2.06; overall p = 0.040), but not ICH. CSOPVS were not associated with either outcome. Conclusion(s): In patients with ischaemic stroke or TIA, increasing BGPVS burden is associated with more severe CSVD and greater ischaemic stroke risk. Neither BGPVS nor CSOPVS were independently associated with future ICH, suggesting that CMBs are a more informative marker for intracranial bleeding risk in this population. (Figure Presented).
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- 2022
13. Towards an integral clinical proton dose prediction uncertainty by considering delineation variation
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Peters, N., Muren, L. P., Peters, N., and Muren, L. P.
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- 2022
14. In vivo assessment of tissue-specific radiological parameters with intra- and inter-patient variation using dual-energy computed tomography
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Peters, N., Kieslich, A., Wohlfahrt, P., Hofmann, C., (0000-0003-4261-4214) Richter, C., Peters, N., Kieslich, A., Wohlfahrt, P., Hofmann, C., and (0000-0003-4261-4214) Richter, C.
- Abstract
Purpose/objective: Experimental in vivo determination of radiological tissue parameters of organs in the head and pelvis within a large patient cohort, expanding on the current standard human tissue database summarized in ICRU46. Material/methods: Relative electron density (RED), effective atomic number (EAN) and stopping-power ratio (SPR) were obtained from clinical dual-energy CT scans using a clinically validated DirectSPR imple- mentation and organ segmentations of 107 brain-tumor (brain, brainstem, spinal cord, chiasm, optical nerve, lens) and 120 pelvic cancer patients (prostate, kidney, liver, bladder). The impact of contamination by surrounding tissues on the tissue parameters was reduced with a dedicated contour adaption routine. Tissue parameters were characterized regarding the cohort mean value as well as the variation within each patient (2rintra) and between patients (2rinter ). For the brain, age-dependent differences were deter- mined. Results: For 10 organs, including 4 structures not listed in ICRU46, the mean RED, EAN and SPR as well as their respective intra- and inter-patient variation were determined. SPR intra-patient variation was higher than 1.3% (1.3–4.6%) in all organs and always exceeded the inter-patient variation of the organ mean SPR (0.6–2.1%). For the brain, a significant SPR variation between pediatric and non-pediatric patients was determined. Conclusion: Radiological tissue parameters in the head and pelvis were characterized in vivo for a large patient cohort using dual-energy CT. This reassesses parts of the current standard database defined in ICRU46, furthermore complementing the data described in literature by smaller substructures in the brain as well as by the quantification of organ-specific inter- and intra-patient variation.
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- 2022
15. Impact of the COVID-19-pandemic on patients with gynecological malignancies undergoing surgery:A Dutch population-based study using data from the ‘Dutch Gynecological Oncology Audit’
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Algera, M. D., van Driel, W. J., Slangen, B. F.M., Kruitwagen, Roy F.P.M., Wouters, M. W.J.M., ten Cate , F.A., Fons, G, Verhoeve, HR, Nagel, H. T.C., Keizer , H.H., van Dijk, J.E.W., Huisman, M, Ebisch, IMW, van de Lande, J., Briet, J., Diepstraten, J, Vollebergh, J.H.A., van der Avoort, Irene A.M., Gaarenstroom, K. N., Overmars, K., Bartelink, L.R., van den Hende, M., Wust, M.D., Scheers, E.C.A.H., Moonen-Delarue, M.W.G., Tjiong, M. Y., Leffers, N., Reesink-Peters, N, Kolk, P., Yigit, Refika, Westenberg, SM, Coppus, S. F.P.J., Schukken, T.K., Van Baal, Wilhelmina M., Minderhoud-Bassie, W., van der Plas-Koning, Y. W.C.M., Algera, M. D., van Driel, W. J., Slangen, B. F.M., Kruitwagen, Roy F.P.M., Wouters, M. W.J.M., ten Cate , F.A., Fons, G, Verhoeve, HR, Nagel, H. T.C., Keizer , H.H., van Dijk, J.E.W., Huisman, M, Ebisch, IMW, van de Lande, J., Briet, J., Diepstraten, J, Vollebergh, J.H.A., van der Avoort, Irene A.M., Gaarenstroom, K. N., Overmars, K., Bartelink, L.R., van den Hende, M., Wust, M.D., Scheers, E.C.A.H., Moonen-Delarue, M.W.G., Tjiong, M. Y., Leffers, N., Reesink-Peters, N, Kolk, P., Yigit, Refika, Westenberg, SM, Coppus, S. F.P.J., Schukken, T.K., Van Baal, Wilhelmina M., Minderhoud-Bassie, W., and van der Plas-Koning, Y. W.C.M.
- Abstract
Objective: The COVID-19-pandemic caused drastic healthcare changes worldwide. To date, the impact of these changes on gynecological cancer healthcare is relatively unknown. This study aimed to assess the impact of the COVID-19-pandemic on surgical gynecological-oncology healthcare. Methods: This population-based cohort study included all surgical procedures with curative intent for gynecological malignancies, registered in the Dutch Gynecological Oncology Audit, in 2018–2020. Four periods were identified based on COVID-19 hospital admission rates: ‘Pre-COVID-19’, ‘First wave’, ‘Interim period’, and ‘Second wave’. Surgical volume, perioperative care processes, and postoperative outcomes from 2020 were compared with 2018–2019. Results: A total of 11,488 surgical procedures were analyzed. For cervical cancer, surgical volume decreased by 17.2% in 2020 compared to 2018–2019 (mean 2018–2019: n = 542.5, 2020: n = 449). At nadir (interim period), only 51% of the expected cervical cancer procedures were performed. For ovarian, vulvar, and endometrial cancer, volumes remained stable. Patients with advanced-stage ovarian cancer more frequently received neoadjuvant chemotherapy in 2020 compared to 2018–2019 (67.7% (n = 432) vs. 61.8% (n = 783), p = 0.011). Median time to first treatment was significantly shorter in all four malignancies in 2020. For vulvar and endometrial cancer, the length of hospital stay was significantly shorter in 2020. No significant differences in complicated course and 30-day-mortality were observed. Conclusions: The COVID-19-pandemic impacted surgical gynecological-oncology healthcare: in 2020, surgical volume for cervical cancer dropped considerably, waiting time was significantly shorter for all malignancies, while neoadjuvant chemotherapy administration for advanced-stage ovarian cancer increased. The safety of perioperative healthcare was not negatively impacted by the pandemic, as complications and 30-day-mortality remained stable.
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- 2022
16. Adjuvant Use of PlasmaJet Device During Cytoreductive Surgery for Advanced-Stage Ovarian Cancer:Results of the PlaComOv-study, a Randomized Controlled Trial in The Netherlands
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Nieuwenhuyzen-de Boer, G. M., Hofhuis, W., Reesink-Peters, N., Willemsen, S., Boere, I. A., Schoots, I. G., Piek, J. M.J., Hofman, L. N., Beltman, J. J., van Driel, W. J., Werner, H. M.J., Baalbergen, A., van Haaften-de Jong, A. M.L.D., Dorman, M., Haans, L., Nedelcu, I., Ewing-Graham, P. C., van Beekhuizen, H. J., Nieuwenhuyzen-de Boer, G. M., Hofhuis, W., Reesink-Peters, N., Willemsen, S., Boere, I. A., Schoots, I. G., Piek, J. M.J., Hofman, L. N., Beltman, J. J., van Driel, W. J., Werner, H. M.J., Baalbergen, A., van Haaften-de Jong, A. M.L.D., Dorman, M., Haans, L., Nedelcu, I., Ewing-Graham, P. C., and van Beekhuizen, H. J.
- Abstract
Objective: Standard surgical treatment of advanced-stage ovarian carcinoma with electrosurgery cannot always result in complete cytoreductive surgery (CRS), especially when many small metastases are found on the mesentery and intestinal surface. We investigated whether adjuvant use of a neutral argon plasma device can help increase the complete cytoreduction rate. Patients and Methods: 327 patients with FIGO stage IIIB–IV epithelial ovarian cancer (EOC) who underwent primary or interval CRS were randomized to either surgery with neutral argon plasma (PlasmaJet) (intervention) or without PlasmaJet (control group). The primary outcome was the percentage of complete CRS. The secondary outcomes were duration of surgery, blood loss, number of bowel resections and colostomies, hospitalization, 30-day morbidity, and quality of life (QoL). Results: Complete CRS was achieved in 119 patients (75.8%) in the intervention group and 115 patients (67.6%) in the control group (risk difference (RD) 8.2%, 95% confidence interval (CI) –0.021 to 0.181; P = 0.131). In a per-protocol analysis excluding patients with unresectable disease, complete CRS was obtained in 85.6% in the intervention group and 71.5% in the control group (RD 14.1%, 95% CI 0.042 to 0.235; P = 0.005). Patient-reported QoL at 6 months after surgery differed between groups in favor of PlasmaJet surgery (95% CI 0.455–8.350; P = 0.029). Other secondary outcomes did not differ significantly. Conclusions: Adjuvant use of PlasmaJet during CRS for advanced-stage ovarian cancer resulted in a significantly higher proportion of complete CRS in patients with resectable disease and higher QoL at 6 months after surgery. (Funded by ZonMw, Trial Register NL62035.078.17.) Trial Registration: Approved by the Medical Ethics Review Board of the Erasmus University Medical Center Rotterdam, the Netherlands, NL62035.078.17 on 20-11-2017. Recruitment started on 30-1-2018.
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- 2022
17. Neoadjuvant FOLFOXIRI prior to chemoradiotherapy for high-risk ('ugly') locally advanced rectal cancer:study protocol of a single-arm, multicentre, open-label, phase II trial (MEND-IT)
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van den Berg, K., Schaap, D. P., Voogt, E. L.K., Buffart, T. E., Verheul, H. M.W., de Groot, J. W.B., Verhoef, C., Melenhorst, J., Roodhart, J. M.L., de Wilt, J. H.W., van Westreenen, H. L., Aalbers, A. G.J., van 't Veer, M., Marijnen, C. A.M., Vincent, J., Simkens, L. H.J., Peters, N. A.J.B., Berbée, M., Werter, I. M., Snaebjornsson, P., Peulen, H. M.U., van Lijnschoten, I. G., Roef, M. J., Nieuwenhuijzen, G. A.P., Bloemen, J. G., Willems, J. M.W.E., Creemers, G. J.M., Nederend, J., Rutten, H. J.T., Burger, J. W.A., van den Berg, K., Schaap, D. P., Voogt, E. L.K., Buffart, T. E., Verheul, H. M.W., de Groot, J. W.B., Verhoef, C., Melenhorst, J., Roodhart, J. M.L., de Wilt, J. H.W., van Westreenen, H. L., Aalbers, A. G.J., van 't Veer, M., Marijnen, C. A.M., Vincent, J., Simkens, L. H.J., Peters, N. A.J.B., Berbée, M., Werter, I. M., Snaebjornsson, P., Peulen, H. M.U., van Lijnschoten, I. G., Roef, M. J., Nieuwenhuijzen, G. A.P., Bloemen, J. G., Willems, J. M.W.E., Creemers, G. J.M., Nederend, J., Rutten, H. J.T., and Burger, J. W.A.
- Abstract
BACKGROUND: The presence of mesorectal fascia (MRF) invasion, grade 4 extramural venous invasion (EMVI), tumour deposits (TD) or extensive or bilateral extramesorectal (lateral) lymph nodes (LLN) on MRI has been suggested to identify patients with indisputable, extensive locally advanced rectal cancer (LARC), at high risk of treatment failure. The aim of this study is to evaluate whether or not intensified chemotherapy prior to neoadjuvant chemoradiotherapy improves the complete response (CR) rate in these patients. METHODS: This multicentre, single-arm, open-label, phase II trial will include 128 patients with non-metastatic high-risk LARC (hr-LARC), fit for triplet chemotherapy. To ensure a study population with indisputable, unfavourable prognostic characteristics, hr-LARC is defined as LARC with on baseline MRI at least one of the following characteristics; MRF invasion, EMVI grade 4, enlarged bilateral or extensive LLN at high risk of an incomplete resection, or TD. Exclusion criteria are the presence of a homozygous DPD deficiency, distant metastases, any chemotherapy within the past 6 months, previous radiotherapy within the pelvic area precluding standard chemoradiotherapy, and any contraindication for the planned treatment. All patients will be planned for six two-weekly cycles of FOLFOXIRI (5-fluorouracil, leucovorin, oxaliplatin and irinotecan) prior to chemoradiotherapy (25 × 2 Gy or 28 × 1.8 Gy with concomitant capecitabine). A resection will be performed following radiological confirmation of resectable disease after the completion of chemoradiotherapy. A watch and wait strategy is allowed in case of a clinical complete response. The primary endpoint is the CR rate, described as a pathological CR or a sustained clinical CR one year after chemoradiotherapy. The main secondary objectives are long-term oncological outcomes, radiological and pathological response, the number of resections with clear margins, treatment-related toxicity, perioperative com
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- 2022
18. Model projects as tools for cooperative urban development: The case of Haus der Statistik in Berlin
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Gundlach, K., Marlow, F., Peters, N., Wall, R., Gundlach, K., Marlow, F., Peters, N., and Wall, R.
- Abstract
According to the New Leipzig Charter, urban development processes should be ‘a matter of all’ – the common good, climate protection and environmental justice, to name but a few aspects. Currently, new forms of innovation seeking models emerge within this context of sustainable urban planning practice - for example, real-world field laboratories and model projects. Haus der Statistik in Berlin is one such ‘model project for cooperative and common-good-oriented urban development’. It is widely recognized for its demand- and process-driven approach, as well as its project development being based on public-civic partnership. As anthropological and urbanist researchers and practitioners involved in the project, we give a situated account on the socio-political elements of the Haus der Statistik’s public-civic partnership and investigate the potentials of this model for a more sustainable urban development. The structure of the paper is threefold: Firstly, we introduce the so-called model project Haus der Statistik and its common-good orientated agenda and relate it to sustainability goals of the New Leipzig Charter. Secondly, we introduce the specific public-civic-framework in regard to its methodological framing within the context of model projects and comparable approaches that focus on collaborative, transdisciplinary and innovative methods, such as real-world field laboratories. Thirdly, we reflect on the elements of the public-civic-partnership framework that have been explored and developed at the ‘model project’ Haus der Statistik since 2015 and its implications for a more sustainable urban development., Peer Reviewed
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- 2022
19. Neoadjuvant FOLFOXIRI prior to chemoradiotherapy for high-risk (“ugly”) locally advanced rectal cancer: study protocol of a single-arm, multicentre, open-label, phase II trial (MEND-IT)
- Author
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MS Medische Oncologie, Cancer, van den Berg, K., Schaap, D. P., Voogt, E. L.K., Buffart, T. E., Verheul, H. M.W., de Groot, J. W.B., Verhoef, C., Melenhorst, J., Roodhart, J. M.L., de Wilt, J. H.W., van Westreenen, H. L., Aalbers, A. G.J., van ‘t Veer, M., Marijnen, C. A.M., Vincent, J., Simkens, L. H.J., Peters, N. A.J.B., Berbée, M., Werter, I. M., Snaebjornsson, P., Peulen, H. M.U., van Lijnschoten, I. G., Roef, M. J., Nieuwenhuijzen, G. A.P., Bloemen, J. G., Willems, J. M.W.E., Creemers, G. J.M., Nederend, J., Rutten, H. J.T., Burger, J. W.A., MS Medische Oncologie, Cancer, van den Berg, K., Schaap, D. P., Voogt, E. L.K., Buffart, T. E., Verheul, H. M.W., de Groot, J. W.B., Verhoef, C., Melenhorst, J., Roodhart, J. M.L., de Wilt, J. H.W., van Westreenen, H. L., Aalbers, A. G.J., van ‘t Veer, M., Marijnen, C. A.M., Vincent, J., Simkens, L. H.J., Peters, N. A.J.B., Berbée, M., Werter, I. M., Snaebjornsson, P., Peulen, H. M.U., van Lijnschoten, I. G., Roef, M. J., Nieuwenhuijzen, G. A.P., Bloemen, J. G., Willems, J. M.W.E., Creemers, G. J.M., Nederend, J., Rutten, H. J.T., and Burger, J. W.A.
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- 2022
20. Fouten van arbiters en de gevolgen daarvan voor hun honorarium
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Peters, N, Schleijpen, C.L., Peters, N, and Schleijpen, C.L.
- Abstract
Item does not contain fulltext
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- 2021
21. Development of imaging-based risk scores for prediction of intracranial haemorrhage and ischaemic stroke in patients taking antithrombotic therapy after ischaemic stroke or transient ischaemic attack: a pooled analysis of individual patient data from cohort studies.
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Best J.G., Ambler G., Wilson D., Lee K.-J., Lim J.-S., Shiozawa M., Koga M., Li L., Lovelock C., Chabriat H., Hennerici M., Wong Y.K., Mak H.K.F., Prats-Sanchez L., Martinez-Domeno A., Inamura S., Yoshifuji K., Arsava E.M., Horstmann S., Purrucker J., Lam B.Y.K., Wong A., Kim Y.D., Song T.-J., Lemmens R., Eppinger S., Gattringer T., Uysal E., Tanriverdi Z., Bornstein N.M., Ben Assayag E., Hallevi H., Molad J., Nishihara M., Tanaka J., Coutts S.B., Polymeris A., Wagner B., Seiffge D.J., Lyrer P., Algra A., Kappelle L.J., Al-Shahi Salman R., Jager H.R., Lip G.Y.H., Fischer U., El-Koussy M., Mas J.-L., Legrand L., Karayiannis C., Phan T., Gunkel S., Christ N., Abrigo J., Leung T., Chu W., Chappell F., Makin S., Hayden D., Williams D.J., Mess W.H., Nederkoorn P.J., Barbato C., Browning S., Wiegertjes K., Tuladhar A.M., Maaijwee N., Guevarra A.C., Yatawara C., Mendyk A.-M., Delmaire C., Kohler S., van Oostenbrugge R., Zhou Y., Xu C., Hilal S., Gyanwali B., Chen C., Lou M., Staals J., Bordet R., Kandiah N., de Leeuw F.-E., Simister R., Hendrikse J., Kelly P.J., Wardlaw J., Soo Y., Fluri F., Srikanth V., Calvet D., Jung S., Kwa V.I.H., Engelter S.T., Peters N., Smith E.E., Hara H., Yakushiji Y., Orken D.N., Fazekas F., Thijs V., Heo J.H., Mok V., Veltkamp R., Ay H., Imaizumi T., Gomez-Anson B., Lau K.K., Jouvent E., Rothwell P.M., Toyoda K., Bae H.-J., Marti-Fabregas J., Werring D.J., Harkness K., Shaw L., Sword J., Mohd Nor A., Sharma P., Kelly D., Harrington F., Randall M., Smith M., Mahawish K., Elmarim A., Esisi B., Cullen C., Nallasivam A., Price C., Barry A., Roffe C., Coyle J., Hassan A., Birns J., Cohen D., Sekaran L., Parry-Jones A., Parry A., Hargroves D., Proschel H., Datta P., Darawil K., Manoj A., Burn M., Patterson C., Giallombardo E., Smyth N., Mansoor S., Anwar I., Marsh R., Ispoglou S., Chadha D., Prabhakaran M., Meenakishundaram S., O'Connell J., Scott J., Krishnamurthy V., Aghoram P., McCormick M., Sprigg N., O'Mahony P., Cooper M., Choy L., Wilkinson P., Leach S., Caine S., Burger I., Gunathilagan G., Guyler P., Emsley H., Davis M., Manawadu D., Pasco K., Mamun M., Luder R., Sajid M., Okwera J., Warburton E., Saastamoinen K., England T., Putterill J., Flossman E., Power M., Dani K., Mangion D., Suman A., Corrigan J., Lawrence E., Vahidassr D., Shakeshaft C., Brown M., Charidimou A., Cohen H., Banerjee G., Houlden H., White M., Yousry T., Flossmann E., Muir K., Gratz P., Mattle H., Panos L., Korczyn A., Kliper E., Maeder P., Gass A., Pachai C., Bracoub L., Douste-Blazy M.-Y., Fratacci M.D., Vicaut E., Sato S., Miwa K., Fujita K., Ide T., Ma H., Ly J., Singhal S., Chandra R., Slater L.-A., Soufan C., Moran C., Traenka C., Thilemann S., Fladt J., Gensicke H., Bonati L., Kim B.J., Han M.-K., Kang J., Ko E., Yang M.H., Jang M.S., Murphy S., Carty F., Akijian L., Thornton J., Schembri M., Douven E., Delgado-Mederos R., Marin R., Camps-Renom P., Guisado-Alonso D., Nunez F., Medrano-Martorell S., Merino E., Iida K., Ikeda S., Irie H., Demirelli D.S., Medanta J.M., Zerna C., Hernandez M.V., Armitage P., Heye A., Munoz-Maniega S., Sakka E., Thrippleton M., Dennis M., Beigneux Y., Silva M., Venketasubramanian N., Ho S.L., Cheung R.T.F., Chan K.H., Teo K.C., Hui E., Kwan J.S.K., Chang R., Tse M.Y., Hoi C.P., Chan C.Y., Chan O.L., Cheung R.H.K., Wong E.K.M., Leung K.T., Tsang S.F., Ip H.L., Ma S.H., Ma K., Fong W.C., Li S.H., Li R., Ng P.W., Wong K.K., Liu W., Wong L., Ramos L., De Schryver E., Jobsis J., van der Sande J., Brouwers P., Roos Y., Stam J., Bakker S., Verbiest H., Schoonewille W., Linn C., Hertzberger L., van Gemert M., Berntsen P., Van Dam-Nolen D., Kooi M.E., Van der Lugt A., Koudstaal P., Leff A., Ward N., Nachev P., Perry R., Ozkan H., Mitchell J., Best J.G., Ambler G., Wilson D., Lee K.-J., Lim J.-S., Shiozawa M., Koga M., Li L., Lovelock C., Chabriat H., Hennerici M., Wong Y.K., Mak H.K.F., Prats-Sanchez L., Martinez-Domeno A., Inamura S., Yoshifuji K., Arsava E.M., Horstmann S., Purrucker J., Lam B.Y.K., Wong A., Kim Y.D., Song T.-J., Lemmens R., Eppinger S., Gattringer T., Uysal E., Tanriverdi Z., Bornstein N.M., Ben Assayag E., Hallevi H., Molad J., Nishihara M., Tanaka J., Coutts S.B., Polymeris A., Wagner B., Seiffge D.J., Lyrer P., Algra A., Kappelle L.J., Al-Shahi Salman R., Jager H.R., Lip G.Y.H., Fischer U., El-Koussy M., Mas J.-L., Legrand L., Karayiannis C., Phan T., Gunkel S., Christ N., Abrigo J., Leung T., Chu W., Chappell F., Makin S., Hayden D., Williams D.J., Mess W.H., Nederkoorn P.J., Barbato C., Browning S., Wiegertjes K., Tuladhar A.M., Maaijwee N., Guevarra A.C., Yatawara C., Mendyk A.-M., Delmaire C., Kohler S., van Oostenbrugge R., Zhou Y., Xu C., Hilal S., Gyanwali B., Chen C., Lou M., Staals J., Bordet R., Kandiah N., de Leeuw F.-E., Simister R., Hendrikse J., Kelly P.J., Wardlaw J., Soo Y., Fluri F., Srikanth V., Calvet D., Jung S., Kwa V.I.H., Engelter S.T., Peters N., Smith E.E., Hara H., Yakushiji Y., Orken D.N., Fazekas F., Thijs V., Heo J.H., Mok V., Veltkamp R., Ay H., Imaizumi T., Gomez-Anson B., Lau K.K., Jouvent E., Rothwell P.M., Toyoda K., Bae H.-J., Marti-Fabregas J., Werring D.J., Harkness K., Shaw L., Sword J., Mohd Nor A., Sharma P., Kelly D., Harrington F., Randall M., Smith M., Mahawish K., Elmarim A., Esisi B., Cullen C., Nallasivam A., Price C., Barry A., Roffe C., Coyle J., Hassan A., Birns J., Cohen D., Sekaran L., Parry-Jones A., Parry A., Hargroves D., Proschel H., Datta P., Darawil K., Manoj A., Burn M., Patterson C., Giallombardo E., Smyth N., Mansoor S., Anwar I., Marsh R., Ispoglou S., Chadha D., Prabhakaran M., Meenakishundaram S., O'Connell J., Scott J., Krishnamurthy V., Aghoram P., McCormick M., Sprigg N., O'Mahony P., Cooper M., Choy L., Wilkinson P., Leach S., Caine S., Burger I., Gunathilagan G., Guyler P., Emsley H., Davis M., Manawadu D., Pasco K., Mamun M., Luder R., Sajid M., Okwera J., Warburton E., Saastamoinen K., England T., Putterill J., Flossman E., Power M., Dani K., Mangion D., Suman A., Corrigan J., Lawrence E., Vahidassr D., Shakeshaft C., Brown M., Charidimou A., Cohen H., Banerjee G., Houlden H., White M., Yousry T., Flossmann E., Muir K., Gratz P., Mattle H., Panos L., Korczyn A., Kliper E., Maeder P., Gass A., Pachai C., Bracoub L., Douste-Blazy M.-Y., Fratacci M.D., Vicaut E., Sato S., Miwa K., Fujita K., Ide T., Ma H., Ly J., Singhal S., Chandra R., Slater L.-A., Soufan C., Moran C., Traenka C., Thilemann S., Fladt J., Gensicke H., Bonati L., Kim B.J., Han M.-K., Kang J., Ko E., Yang M.H., Jang M.S., Murphy S., Carty F., Akijian L., Thornton J., Schembri M., Douven E., Delgado-Mederos R., Marin R., Camps-Renom P., Guisado-Alonso D., Nunez F., Medrano-Martorell S., Merino E., Iida K., Ikeda S., Irie H., Demirelli D.S., Medanta J.M., Zerna C., Hernandez M.V., Armitage P., Heye A., Munoz-Maniega S., Sakka E., Thrippleton M., Dennis M., Beigneux Y., Silva M., Venketasubramanian N., Ho S.L., Cheung R.T.F., Chan K.H., Teo K.C., Hui E., Kwan J.S.K., Chang R., Tse M.Y., Hoi C.P., Chan C.Y., Chan O.L., Cheung R.H.K., Wong E.K.M., Leung K.T., Tsang S.F., Ip H.L., Ma S.H., Ma K., Fong W.C., Li S.H., Li R., Ng P.W., Wong K.K., Liu W., Wong L., Ramos L., De Schryver E., Jobsis J., van der Sande J., Brouwers P., Roos Y., Stam J., Bakker S., Verbiest H., Schoonewille W., Linn C., Hertzberger L., van Gemert M., Berntsen P., Van Dam-Nolen D., Kooi M.E., Van der Lugt A., Koudstaal P., Leff A., Ward N., Nachev P., Perry R., Ozkan H., and Mitchell J.
- Abstract
Background: Balancing the risks of recurrent ischaemic stroke and intracranial haemorrhage is important for patients treated with antithrombotic therapy after ischaemic stroke or transient ischaemic attack. However, existing predictive models offer insufficient performance, particularly for assessing the risk of intracranial haemorrhage. We aimed to develop new risk scores incorporating clinical variables and cerebral microbleeds, an MRI biomarker of intracranial haemorrhage and ischaemic stroke risk. Method(s): We did a pooled analysis of individual-patient data from the Microbleeds International Collaborative Network (MICON), which includes 38 hospital-based prospective cohort studies from 18 countries. All studies recruited participants with previous ischaemic stroke or transient ischaemic attack, acquired baseline MRI allowing quantification of cerebral microbleeds, and followed-up participants for ischaemic stroke and intracranial haemorrhage. Participants not taking antithrombotic drugs were excluded. We developed Cox regression models to predict the 5-year risks of intracranial haemorrhage and ischaemic stroke, selecting candidate predictors on biological relevance and simplifying models using backward elimination. We derived integer risk scores for clinical use. We assessed model performance in internal validation, adjusted for optimism using bootstrapping. The study is registered on PROSPERO, CRD42016036602. Finding(s): The included studies recruited participants between Aug 28, 2001, and Feb 4, 2018. 15 766 participants had follow-up for intracranial haemorrhage, and 15 784 for ischaemic stroke. Over a median follow-up of 2 years, 184 intracranial haemorrhages and 1048 ischaemic strokes were reported. The risk models we developed included cerebral microbleed burden and simple clinical variables. Optimism-adjusted c indices were 0.73 (95% CI 0.69-0.77) with a calibration slope of 0.94 (0.81-1.06) for the intracranial haemorrhage model and 0.63 (0.62-0.65) w
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- 2021
22. Prediction of postnatal outcome in fetuses with congenital lung malformation:2-year follow-up study
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Peters, N. C.J., Hijkoop, A., Hermelijn, S. M., van Schoonhoven, M. M., Eggink, A. J., van Rosmalen, J., Otter, S. C.M.Cochius den, Tibboel, D., IJsselstijn, H., Schnater, J. M., Cohen-Overbeek, T. E., Peters, N. C.J., Hijkoop, A., Hermelijn, S. M., van Schoonhoven, M. M., Eggink, A. J., van Rosmalen, J., Otter, S. C.M.Cochius den, Tibboel, D., IJsselstijn, H., Schnater, J. M., and Cohen-Overbeek, T. E.
- Abstract
Objectives: To identify, in fetuses with a congenital lung malformation (CLM), prenatal predictors of the need for postnatal respiratory support and the need for surgery by calculating the CLM volume ratio (CVR), and to evaluate the concordance between the prenatal appearance and the postnatal type of CLM. Methods: This was an analysis of prenatal, perinatal and postnatal data from fetuses diagnosed with a CLM at the Erasmus University Medical Center – Sophia Children's Hospital in Rotterdam, The Netherlands, between January 2007 and December 2016. For all included fetuses, CVR was measured retrospectively on stored ultrasound images obtained at 18 + 1 to 24 + 6 weeks (US1), 25 + 0 to 29 + 6 weeks (US2) and/or 30 + 0 to 35 + 6 weeks' gestation (US3). Postnatal diagnosis of CLM was based on computed tomography or histology. Primary outcomes were the need for respiratory support within 24 h and surgery within 2 years after birth. Results: Of the 80 fetuses with a CLM included in this study, 14 (18%) required respiratory support on the first postnatal day, and 17 (21%) required surgery within 2 years. Only the CVR at US2 was predictive of the need for respiratory support, with a cut-off value of 0.39. Four of 16 (25%) fetuses which showed full regression of the CLM prenatally required respiratory support within 24 h after birth. The CVR at US1, US2 and US3 was predictive of surgery within 2 years. Overall, the prenatal appearance of the CLM showed low concordance with the postnatal type. Prenatally suspected microcystic congenital pulmonary airway malformation (CPAM) was shown on computed tomography after birth to be congenital lobar overinflation in 15/35 (43%) cases. Respiratory support within 24 h after birth and surgical resection within 28 days after birth were needed in all cases of macrocystic CPAM. Conclusions: CVR can predict the need for respiratory support within 24 h after birth and for surgery within 2 years. Regression of a CLM prenatally does not rule
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- 2021
23. Serum Neurofilament Light Chain Is Associated with Incident Lacunes in Pogressive Cerebral Small Vessel Disease
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Peters, N, Leijsen, E.M.C. van, Tuladhar, A.M., Barro, C., Konieczny, Marek J., Ewers, Michael, Düring, M., Leeuw, H.F. de, Peters, N, Leijsen, E.M.C. van, Tuladhar, A.M., Barro, C., Konieczny, Marek J., Ewers, Michael, Düring, M., and Leeuw, H.F. de
- Abstract
Contains fulltext : 226145.pdf (publisher's version ) (Open Access)
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- 2020
24. Accuracy and robustness of 4D logfile-based dose reconstruction and start of clinical application
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Spautz, S., Meijers, A., Jakobi, A., Peters, N., Knopf, A.-C., (0000-0001-9550-9050) Troost, E. G. C., (0000-0003-4261-4214) Richter, C., (0000-0002-8178-3144) Stützer, K., Spautz, S., Meijers, A., Jakobi, A., Peters, N., Knopf, A.-C., (0000-0001-9550-9050) Troost, E. G. C., (0000-0003-4261-4214) Richter, C., and (0000-0002-8178-3144) Stützer, K.
- Abstract
Introduction: We established a 4D logfile-based dose reconstruction for monitoring and potential intervention during intensity-modulated proton therapy (IMPT) of moving tumors. Before clinical application, we assessed the validity of reconstructed doses and the sensitivity against changes of selected input parameters by phantom experiments. Material/Methods: A dynamic thorax phantom (CIRS, USA) with a soft-tissue target and radiochromic film insert was imaged by 4DCT and irradiated with either quasi-monoenergetic fields or 4D optimized proton plans. The surrogate signal (ANZAI, Japan) of the regular motion was recorded in synchronization with the machine logfiles. Reconstructions were performed with different dose grid resolutions (1mm/3mm), deformable image registrations (DIR; manually defined or automatically generated vector-fields) and artificial asynchronies between machine and motion logfiles. Results: Characteristic dose patterns on radiochromic films were well reconstructed (Fig.1A). Gamma pass rates (2mm, 2%) for extracted characteristic profiles of the reconstructed and measured doses were >98% under static conditions, ranged between 99% and 86% for 5mm motion depending on applied reconstruction parameters, especially the DIR, and were about 80% for 30mm motion due to the predominant residual motion in the 4DCT (Fig.1B). Fig.1C demonstrates the robustness against potential minor asynchronies (≈5ms) between machine and motion logfiles. A workflow test during a pancreatic cancer IMPT treatment (Fig.2) revealed a data processing time of approximately 20min/fraction. Conclusions: Due to satisfying accuracy and robustness for clinically aimed motion amplitudes (≤5mm), IMPT treatment of non-small cell lung cancer accompanied by daily 4D logfile-based dose monitoring will start in our institute within the first months of 2020.
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- 2020
25. Impact of range uncertainty on clinical distributions of linear energy transfer and biological effectiveness in proton therapy
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Hahn, C., (0000-0001-5999-7480) Eulitz, J., Peters, N., (0000-0002-2121-0934) Wohlfahrt, P., Enghardt, W., (0000-0003-4261-4214) Richter, C., (0000-0002-9450-6859) Lühr, A., Hahn, C., (0000-0001-5999-7480) Eulitz, J., Peters, N., (0000-0002-2121-0934) Wohlfahrt, P., Enghardt, W., (0000-0003-4261-4214) Richter, C., and (0000-0002-9450-6859) Lühr, A.
- Abstract
In proton radiotherapy, range uncertainties can lead to differences between the clinically approved dose and that delivered to the patient. Likewise, the linear energy transfer (LET), which drives the relative biological effectiveness (RBE), is affected by range uncertainties. Clinical robust dose optimization ensures the delivery of the prescribed dose but not of a specific LET. In this study, the impact of range uncertainties on LET distributions in clinically robust dose-optimized treatment plans was quantified and potential biological implications in patients were assessed. For each of six cancer patients (two brain, head-and-neck and prostate), two nominal treatment plans in pencil beam scanning mode were robustly dose-optimized using single- and multi-field optimization, respectively. Scenarios with range uncertainty of ± 3.5% were achieved by global rescaling of stopping-power ratios. Dose and LET distributions were recalculated using the nominal beam parameters and used to estimate the probability of radiation-induced toxicity. The optimization technique had a minor impact on the results. For all patients, LET distributions in the target volume were rather homogeneous with average LET below 3.2 keV/µm and only a weak impact of range uncertainty was found. In contrast, LET hotspots (> 7 keV/µm) occurred in several organs at risk (OARs). Elevated and inhomogeneous LET distributions were organ- and patient-specific for OARs susceptible to range uncertainties. The observed changes in the probability for radiation-induced toxicity depended on OAR location and range uncertainty scenario. Range uncertainties can substantially change LET values in OARs while the observed LET variation among all patients and scenarios was small in the CTV. The present findings support a constant RBE prescription in the CTV. However, unforeseen toxicity may occur in normal tissue due to elevated and inhomogeneous LET distributions caused by range uncertainty. We encourage LET-related
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- 2020
26. Multi-modality bedding platform for combined imaging and irradiation of mice
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(0000-0003-1273-2412) Müller, J., Schürer, M., Neubert, C., Tillner, F., (0000-0002-0582-1444) Beyreuther, E., (0000-0003-0380-9772) Suckert, T., Peters, N., (0000-0003-2955-1626) Neubeck, C., (0000-0002-9450-6859) Lühr, A., (0000-0003-1776-9556) Krause, M., Bütof, R., Dietrich, A., (0000-0003-1273-2412) Müller, J., Schürer, M., Neubert, C., Tillner, F., (0000-0002-0582-1444) Beyreuther, E., (0000-0003-0380-9772) Suckert, T., Peters, N., (0000-0003-2955-1626) Neubeck, C., (0000-0002-9450-6859) Lühr, A., (0000-0003-1776-9556) Krause, M., Bütof, R., and Dietrich, A.
- Abstract
Preclinical imaging and irradiation yields valuable insights into clinically relevant research topics. While complementary imaging methods such as computed tomography (CT), magnetic resonance imaging (MRI), and positron emission tomography (PET) can be combined within single devices, this is technically demanding and cost-intensive. Similarly, bedding and setup solutions are often specific to certain devices and research questions. We present a bedding platform for mice that is compatible with various preclinical imaging modalities (combined PET/MRI, cone beam CT) and irradiation with photons and protons. It consists of a 3D-printed bedding unit (acrylonitrile butadiene styrene, ABS) holding the animal and features an inhalation anesthesia mask, jaw fixation, ear pins, and immobilization for the hind leg. It can be embedded on mounting adaptors for multi-modal imaging and into a transport box (polymethyl methacrylate, PMMA) for experiments outside dedicated animal facilities while maintaining the animal’s hygiene status. A vital support unit provides heating, inhalation anesthesia, and a respiration monitor. We dosimetrically evaluated used materials in order to assess their interaction with incident irradiation. Proof-of-concept multi-modal imaging protocols were used on phantoms and mice. The measured attenuation of the bedding unit for 40/60/80/200 kV x-rays was less than 3 %. The measured stopping-power-ratio of ABS was 0.951, the combined water-equivalent thickness of bedding unit and transport box was 4.2 mm for proton energies of 150 MeV and 200 MeV. Proof-of-concept imaging showed no loss of image quality. Imaging data of individual mice from different imaging modalities could be aligned rigidly. The presented bed aims to provide a platform for experiments related to both multi-modal imaging and irradiation, thus offering the possibility for image-guided irradiation which relies on precise imaging and positioning. The usage as a self-contained, stand-alone u
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- 2020
27. Recovery of mobility function and life-space mobility after ischemic stroke: the MOBITEC-Stroke study protocol
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Rössler, R, Bridenbaugh, S A, Engelter, S T, Weibel, Robert, Infanger, D, Giannouli, E, Sofios, A, Iendra, L, Portegijs, E, Rantanen, T, Streese, L, Hanssen, H, Roth, R, Schmidt-Trucksäss, A, Peters, N, Hinrichs, Timo; https://orcid.org/0000-0001-6200-307X, Rössler, R, Bridenbaugh, S A, Engelter, S T, Weibel, Robert, Infanger, D, Giannouli, E, Sofios, A, Iendra, L, Portegijs, E, Rantanen, T, Streese, L, Hanssen, H, Roth, R, Schmidt-Trucksäss, A, Peters, N, and Hinrichs, Timo; https://orcid.org/0000-0001-6200-307X
- Abstract
Background Stroke is a major cause of disability and stroke incidence increases with age. Stroke frequently results in permanent limitations of mobility, and, consequently, the need for the help of others in activities of daily living. In order to optimize rehabilitative efforts and their functional outcomes, detailed knowledge of the functional recovery process, regarding mobility, is needed. Objectives of the MOBITEC-Stroke study are: 1.) To characterize mobility, including lower extremity physical function (LEPF) and life space (the geospatial extent of all of a person’s movements), and changes in mobility within the first year after stroke. 2.) To identify and characterize subgroups with different mobility trajectories. 3.) To evaluate whether changes in LEPF are associated with changes in life-space. 4.) To evaluate participants’ reasons for going outdoors, transportation use, and assistance needed for outdoor movement. Methods Patients with incident first stroke who live in their own homes (target N = 59, based on sample size calculation) will be included in this cohort study. At 3, 6, 9, and 12 months after stroke a battery of mobility tests will be performed at the study centre, including laboratory-based tests of balance and strength, and quantitative gait analysis. Life-space assessment (including 1-week GPS measurements) will be performed in participants’ real life. Semantic information on visited locations (reasons for going outdoors, transportation use, assistance needed) will be collected by using interactive digital maps. Linear mixed effects models will be used to model the trajectories of mobility measures for the total sample and for predefined subgroups. As an exploratory analysis, growth mixture models (GMMs) will be used to identify relevant subgroups with different trajectories. Linear mixed effect models will be used to test whether changes in LEPF parameters are associated with changes in life-space. Participants’ motivation for going outdoor
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- 2020
28. Surgical outcomes of major hepatectomy following 'radiation lobectomy' for hepatic malignancies and insufficiently functional future liver remnant: initial experience
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Lab Translational Oncology, MS CGO, Cancer Center, Cancer, Researchgr. Nucleaire Geneeskunde, Regenerative Medicine and Stem Cells, Andel, D, Dassen, M G, Reinders-Hut, M T M, Peters, N A, Kranenburg, O W, Lam, M G E H, Hagendoorn, J, Rinkes, I H M Borel, Lab Translational Oncology, MS CGO, Cancer Center, Cancer, Researchgr. Nucleaire Geneeskunde, Regenerative Medicine and Stem Cells, Andel, D, Dassen, M G, Reinders-Hut, M T M, Peters, N A, Kranenburg, O W, Lam, M G E H, Hagendoorn, J, and Rinkes, I H M Borel
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- 2020
29. Factors Influencing The Emergence and Competition of Avena Fatua L. with Spring Barley
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Peters, N. C. B.
- Subjects
571.2 - Published
- 1978
30. Cerebral microbleeds and stroke risk after ischaemic stroke or transient ischaemic attack: a pooled analysis of individual patient data from cohort studies
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Wilson, D., Ambler, G., Lee, K.J., Lim, J.S., Shiozawa, M., Koga, M., Li, L, Lovelock, C., Chabriat, H., Hennerici, M., Wong, Y.K., Mak, H.K.F., Prats-Sanchez, L., Martinez-Domeno, A., Inamura, S., Yoshifuji, K., Arsava, E.M., Horstmann, S., Purrucker, J., Lam, B.Y.K., Wong, A., Kim, Y.D., Song, T.J., Schrooten, M., Lemmens, R., Eppinger, S., Gattringer, T., Uysal, E., Tanriverdi, Z., Bornstein, N.M., Assayag, E.B., Hallevi, H., Tanaka, J., Hara, H., Coutts, S.B., Hert, L., Polymeris, A., Seiffge, D.J., Lyrer, P., Algra, A., Kappelle, J., Al-Shahi Salman, R., Jager, H.R., Lip, G.Y.H., Mattle, H.P., Panos, L.D., Mas, J.L., Legrand, L., Karayiannis, C., Phan, T., Gunkel, S., Christ, N., Abrigo, J., Leung, T., Chu, W., Chappell, F., Makin, S., Hayden, D., Williams, D.J., Kooi, M.E., Dam-Nolen, D.H.K., Barbato, C., Browning, S., Wiegertjes, K., Tuladhar, A.M., Maaijwee, N., Guevarra, C., Yatawara, C., Mendyk, A.M., Delmaire, C., Kohler, S., Oostenbrugge, R van, Zhou, Y, Xu, C., Hilal, S., Gyanwali, B., Chen, C, Lou, M., Staals, J., Bordet, R., Kandiah, N., Leeuw, F.E. de, Simister, R., Lugt, A. van der, Kelly, P.J., Wardlaw, J.M., Soo, Y., Fluri, F., Srikanth, V., Calvet, D., Jung, S., Kwa, V.I.H., Engelter, S.T., Peters, N, Smith, E.E., Yakushiji, Y., Orken, D.N., Fazekas, F., Marti-Fabregas, J., Werring, D.J., Wilson, D., Ambler, G., Lee, K.J., Lim, J.S., Shiozawa, M., Koga, M., Li, L, Lovelock, C., Chabriat, H., Hennerici, M., Wong, Y.K., Mak, H.K.F., Prats-Sanchez, L., Martinez-Domeno, A., Inamura, S., Yoshifuji, K., Arsava, E.M., Horstmann, S., Purrucker, J., Lam, B.Y.K., Wong, A., Kim, Y.D., Song, T.J., Schrooten, M., Lemmens, R., Eppinger, S., Gattringer, T., Uysal, E., Tanriverdi, Z., Bornstein, N.M., Assayag, E.B., Hallevi, H., Tanaka, J., Hara, H., Coutts, S.B., Hert, L., Polymeris, A., Seiffge, D.J., Lyrer, P., Algra, A., Kappelle, J., Al-Shahi Salman, R., Jager, H.R., Lip, G.Y.H., Mattle, H.P., Panos, L.D., Mas, J.L., Legrand, L., Karayiannis, C., Phan, T., Gunkel, S., Christ, N., Abrigo, J., Leung, T., Chu, W., Chappell, F., Makin, S., Hayden, D., Williams, D.J., Kooi, M.E., Dam-Nolen, D.H.K., Barbato, C., Browning, S., Wiegertjes, K., Tuladhar, A.M., Maaijwee, N., Guevarra, C., Yatawara, C., Mendyk, A.M., Delmaire, C., Kohler, S., Oostenbrugge, R van, Zhou, Y, Xu, C., Hilal, S., Gyanwali, B., Chen, C, Lou, M., Staals, J., Bordet, R., Kandiah, N., Leeuw, F.E. de, Simister, R., Lugt, A. van der, Kelly, P.J., Wardlaw, J.M., Soo, Y., Fluri, F., Srikanth, V., Calvet, D., Jung, S., Kwa, V.I.H., Engelter, S.T., Peters, N, Smith, E.E., Yakushiji, Y., Orken, D.N., Fazekas, F., Marti-Fabregas, J., and Werring, D.J.
- Abstract
Contains fulltext : 208975.pdf (publisher's version ) (Open Access), BACKGROUND: Cerebral microbleeds are a neuroimaging biomarker of stroke risk. A crucial clinical question is whether cerebral microbleeds indicate patients with recent ischaemic stroke or transient ischaemic attack in whom the rate of future intracranial haemorrhage is likely to exceed that of recurrent ischaemic stroke when treated with antithrombotic drugs. We therefore aimed to establish whether a large burden of cerebral microbleeds or particular anatomical patterns of cerebral microbleeds can identify ischaemic stroke or transient ischaemic attack patients at higher absolute risk of intracranial haemorrhage than ischaemic stroke. METHODS: We did a pooled analysis of individual patient data from cohort studies in adults with recent ischaemic stroke or transient ischaemic attack. Cohorts were eligible for inclusion if they prospectively recruited adult participants with ischaemic stroke or transient ischaemic attack; included at least 50 participants; collected data on stroke events over at least 3 months follow-up; used an appropriate MRI sequence that is sensitive to magnetic susceptibility; and documented the number and anatomical distribution of cerebral microbleeds reliably using consensus criteria and validated scales. Our prespecified primary outcomes were a composite of any symptomatic intracranial haemorrhage or ischaemic stroke, symptomatic intracranial haemorrhage, and symptomatic ischaemic stroke. We registered this study with the PROSPERO international prospective register of systematic reviews, number CRD42016036602. FINDINGS: Between Jan 1, 1996, and Dec 1, 2018, we identified 344 studies. After exclusions for ineligibility or declined requests for inclusion, 20 322 patients from 38 cohorts (over 35 225 patient-years of follow-up; median 1.34 years [IQR 0.19-2.44]) were included in our analyses. The adjusted hazard ratio [aHR] comparing patients with cerebral microbleeds to those without was 1.35 (95% CI 1.20-1.50) for the composite outcome of intr
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- 2019
31. Cerebral microbleeds and stroke risk after ischaemic stroke or transient ischaemic attack: a pooled analysis of individual patient data from cohort studies.
- Author
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Jung S., van Dam-Nolen D.H.K., Douven E., Delgado-Mederos, R., Marin R., Camps-Renom P., Guisado-Alonso D., Nunez F., Medrano-Martorell S., Merino E., Iida K., Ikeda S., Nishihara M., Irie H., Demirelli D.S., Medanta J.M., Zerna C., Hernandez M.V., Armitage P., Heye A., Munoz-Maniega S., Sakka E., Thrippleton M., Dennis M., Beigneux Y., Silva M., Venketasubramanian N., Ho S.L., Cheung R.T.F., Chan K.H., Teo K.C., Hui E., Kwan J.S.K., Chang R., Tse M.Y., Hoi C.P., Chan C.Y., Chan O.L., Cheung R.H.K., Wong E.K.M., Leung K.T., Tsang S.F., Ip H.L., Ma S.H., Ma K., Fong W.C., Li S.H., Li R., Ng P.W., Wong K.K., Liu W., Wong L., Ramos L., De Schryver E., Jobsis J., van der Sande J., Brouwers P., Roos Y., Stam J., Bakker S., Verbiest H., Schoonewille W., Linn C., Hertzberger L., van Gemert M., Berntsen P., Hendrikse J., Nederkoorn P., Mess W., Koudstaal P., Leff A., Ward N., Nachev P., Perry R., Ozkan H., Mitchell J., Wilson D., Ambler G., Lee K.-J., Lim J.-S., Shiozawa M., Koga M., Li L., Lovelock C., Chabriat H., Hennerici M., Wong Y.K., Mak H.K.F., Prats-Sanchez L., Martinez-Domeno A., Inamura S., Yoshifuji K., Arsava E.M., Horstmann S., Purrucker J., Lam B.Y.K., Wong A., Kim Y.D., Song T.-J., Schrooten M., Lemmens R., Eppinger S., Gattringer T., Uysal E., Tanriverdi Z., Bornstein N.M., Assayag E.B., Hallevi H., Tanaka J., Hara H., Coutts S.B., Hert L., Polymeris A., Seiffge D.J., Lyrer P., Algra A., Kappelle J., Al-Shahi Salman R., Jager H.R., Lip G.Y.H., Mattle H.P., Panos L.D., Mas J.-L., Legrand L., Karayiannis C., Phan T., Gunkel S., Christ N., Abrigo J., Leung T., Chu W., Chappell F., Makin S., Hayden D., Williams D.J., Kooi M.E., Barbato C., Browning S., Wiegertjes K., Tuladhar A.M., Maaijwee N., Guevarra C., Yatawara C., Mendyk A.-M., Delmaire C., Kohler S., van Oostenbrugge R., Zhou Y., Xu C., Hilal S., Gyanwali B., Chen C., Lou M., Staals J., Bordet R., Kandiah N., de Leeuw F.-E., Simister R., van der Lugt A., Kelly P.J., Wardlaw J.M., Soo Y., Fluri F., Srikanth V., Calvet D., Kwa V.I.H., Engelter S.T., Peters N., Smith E.E., Yakushiji Y., Orken D.N., Fazekas F., Thijs V., Heo J.H., Mok V., Veltkamp R., Ay H., Imaizumi T., Gomez-Anson B., Lau K.K., Jouvent E., Rothwell P.M., Toyoda K., Bae H.-J., Marti-Fabregas J., Werring D.J., Harkness K., Shaw L., Sword J., Mohd Nor A., Sharma P., Kelly D., Harrington F., Randall M., Smith M., Mahawish K., Elmarim A., Esisi B., Cullen C., Nallasivam A., Price C., Barry A., Roffe C., Coyle J., Hassan A., Birns J., Cohen D., Sekaran L., Parry-Jones A., Parry A., Hargroves D., Proschel H., Datta P., Darawil K., Manoj A., Burn M., Patterson C., Giallombardo E., Smyth N., Mansoor S., Anwar I., Marsh R., Ispoglou S., Chadha D., Prabhakaran M., Meenakishundaram S., O'Connell J., Scott J., Krishnamurthy V., Aghoram P., McCormick M., Sprigg N., O'Mahony P., Cooper M., Choy L., Wilkinson P., Leach S., Caine S., Burger I., Gunathilagan G., Guyler P., Emsley H., Davis M., Manawadu D., Pasco K., Mamun M., Luder R., Sajid M., Okwera J., Warburton E., Saastamoinen K., England T., Putterill J., Flossman E., Power M., Dani K., Mangion D., Suman A., Corrigan J., Lawrence E., Vahidassr D., Shakeshaft C., Brown M., Charidimou A., Cohen H., Banerjee G., Houlden H., White M., Yousry T., Flossmann E., Muir K., El-Koussy M., Gratz P., Molad J., Korczyn A., Kliper E., Maeder P., Gass A., Pachai C., Bracoub L., Douste-Blazy M.-Y., Fratacci M.D., Vicaut E., Sato S., Miwa K., Fujita K., Ide T., Ma H., Ly J., Singhal S., Chandra R., Slater L.-A., Soufan C., Moran C., Traenka C., Thilemann S., Fladt J., Gensicke H., Bonati L., Kim B.J., Han M.-K., Kang J., Ko E., Yang M.H., Jang M.S., Murphy S., Carty F., Akijian L., Thornton J., Schembri M., Jung S., van Dam-Nolen D.H.K., Douven E., Delgado-Mederos, R., Marin R., Camps-Renom P., Guisado-Alonso D., Nunez F., Medrano-Martorell S., Merino E., Iida K., Ikeda S., Nishihara M., Irie H., Demirelli D.S., Medanta J.M., Zerna C., Hernandez M.V., Armitage P., Heye A., Munoz-Maniega S., Sakka E., Thrippleton M., Dennis M., Beigneux Y., Silva M., Venketasubramanian N., Ho S.L., Cheung R.T.F., Chan K.H., Teo K.C., Hui E., Kwan J.S.K., Chang R., Tse M.Y., Hoi C.P., Chan C.Y., Chan O.L., Cheung R.H.K., Wong E.K.M., Leung K.T., Tsang S.F., Ip H.L., Ma S.H., Ma K., Fong W.C., Li S.H., Li R., Ng P.W., Wong K.K., Liu W., Wong L., Ramos L., De Schryver E., Jobsis J., van der Sande J., Brouwers P., Roos Y., Stam J., Bakker S., Verbiest H., Schoonewille W., Linn C., Hertzberger L., van Gemert M., Berntsen P., Hendrikse J., Nederkoorn P., Mess W., Koudstaal P., Leff A., Ward N., Nachev P., Perry R., Ozkan H., Mitchell J., Wilson D., Ambler G., Lee K.-J., Lim J.-S., Shiozawa M., Koga M., Li L., Lovelock C., Chabriat H., Hennerici M., Wong Y.K., Mak H.K.F., Prats-Sanchez L., Martinez-Domeno A., Inamura S., Yoshifuji K., Arsava E.M., Horstmann S., Purrucker J., Lam B.Y.K., Wong A., Kim Y.D., Song T.-J., Schrooten M., Lemmens R., Eppinger S., Gattringer T., Uysal E., Tanriverdi Z., Bornstein N.M., Assayag E.B., Hallevi H., Tanaka J., Hara H., Coutts S.B., Hert L., Polymeris A., Seiffge D.J., Lyrer P., Algra A., Kappelle J., Al-Shahi Salman R., Jager H.R., Lip G.Y.H., Mattle H.P., Panos L.D., Mas J.-L., Legrand L., Karayiannis C., Phan T., Gunkel S., Christ N., Abrigo J., Leung T., Chu W., Chappell F., Makin S., Hayden D., Williams D.J., Kooi M.E., Barbato C., Browning S., Wiegertjes K., Tuladhar A.M., Maaijwee N., Guevarra C., Yatawara C., Mendyk A.-M., Delmaire C., Kohler S., van Oostenbrugge R., Zhou Y., Xu C., Hilal S., Gyanwali B., Chen C., Lou M., Staals J., Bordet R., Kandiah N., de Leeuw F.-E., Simister R., van der Lugt A., Kelly P.J., Wardlaw J.M., Soo Y., Fluri F., Srikanth V., Calvet D., Kwa V.I.H., Engelter S.T., Peters N., Smith E.E., Yakushiji Y., Orken D.N., Fazekas F., Thijs V., Heo J.H., Mok V., Veltkamp R., Ay H., Imaizumi T., Gomez-Anson B., Lau K.K., Jouvent E., Rothwell P.M., Toyoda K., Bae H.-J., Marti-Fabregas J., Werring D.J., Harkness K., Shaw L., Sword J., Mohd Nor A., Sharma P., Kelly D., Harrington F., Randall M., Smith M., Mahawish K., Elmarim A., Esisi B., Cullen C., Nallasivam A., Price C., Barry A., Roffe C., Coyle J., Hassan A., Birns J., Cohen D., Sekaran L., Parry-Jones A., Parry A., Hargroves D., Proschel H., Datta P., Darawil K., Manoj A., Burn M., Patterson C., Giallombardo E., Smyth N., Mansoor S., Anwar I., Marsh R., Ispoglou S., Chadha D., Prabhakaran M., Meenakishundaram S., O'Connell J., Scott J., Krishnamurthy V., Aghoram P., McCormick M., Sprigg N., O'Mahony P., Cooper M., Choy L., Wilkinson P., Leach S., Caine S., Burger I., Gunathilagan G., Guyler P., Emsley H., Davis M., Manawadu D., Pasco K., Mamun M., Luder R., Sajid M., Okwera J., Warburton E., Saastamoinen K., England T., Putterill J., Flossman E., Power M., Dani K., Mangion D., Suman A., Corrigan J., Lawrence E., Vahidassr D., Shakeshaft C., Brown M., Charidimou A., Cohen H., Banerjee G., Houlden H., White M., Yousry T., Flossmann E., Muir K., El-Koussy M., Gratz P., Molad J., Korczyn A., Kliper E., Maeder P., Gass A., Pachai C., Bracoub L., Douste-Blazy M.-Y., Fratacci M.D., Vicaut E., Sato S., Miwa K., Fujita K., Ide T., Ma H., Ly J., Singhal S., Chandra R., Slater L.-A., Soufan C., Moran C., Traenka C., Thilemann S., Fladt J., Gensicke H., Bonati L., Kim B.J., Han M.-K., Kang J., Ko E., Yang M.H., Jang M.S., Murphy S., Carty F., Akijian L., Thornton J., and Schembri M.
- Abstract
Background: Cerebral microbleeds are a neuroimaging biomarker of stroke risk. A crucial clinical question is whether cerebral microbleeds indicate patients with recent ischaemic stroke or transient ischaemic attack in whom the rate of future intracranial haemorrhage is likely to exceed that of recurrent ischaemic stroke when treated with antithrombotic drugs. We therefore aimed to establish whether a large burden of cerebral microbleeds or particular anatomical patterns of cerebral microbleeds can identify ischaemic stroke or transient ischaemic attack patients at higher absolute risk of intracranial haemorrhage than ischaemic stroke. Method(s): We did a pooled analysis of individual patient data from cohort studies in adults with recent ischaemic stroke or transient ischaemic attack. Cohorts were eligible for inclusion if they prospectively recruited adult participants with ischaemic stroke or transient ischaemic attack; included at least 50 participants; collected data on stroke events over at least 3 months follow-up; used an appropriate MRI sequence that is sensitive to magnetic susceptibility; and documented the number and anatomical distribution of cerebral microbleeds reliably using consensus criteria and validated scales. Our prespecified primary outcomes were a composite of any symptomatic intracranial haemorrhage or ischaemic stroke, symptomatic intracranial haemorrhage, and symptomatic ischaemic stroke. We registered this study with the PROSPERO international prospective register of systematic reviews, number CRD42016036602. Finding(s): Between Jan 1, 1996, and Dec 1, 2018, we identified 344 studies. After exclusions for ineligibility or declined requests for inclusion, 20 322 patients from 38 cohorts (over 35 225 patient-years of follow-up; median 1.34 years [IQR 0.19-2.44]) were included in our analyses. The adjusted hazard ratio [aHR] comparing patients with cerebral microbleeds to those without was 1.35 (95% CI 1.20-1.50) for the composite outcome of
- Published
- 2019
32. Organoids from colorectal peritoneal metastases as a platform for improving hyperthermic intraperitoneal chemotherapy
- Author
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Ubink, I., Bolhaqueiro, A. C. F., Elias, S. G., Raats, D. A. E., Constantinides, A., Peters, N. A., Wassenaar, E. C. E., de Hingh, I. H. J. T., Rovers, K. P., van Grevenstein, W. M. U., Lacle, M. M., Kops, G. J. P. L., Rinkes, I. H. M. Borel, Kranenburg, O., Ubink, I., Bolhaqueiro, A. C. F., Elias, S. G., Raats, D. A. E., Constantinides, A., Peters, N. A., Wassenaar, E. C. E., de Hingh, I. H. J. T., Rovers, K. P., van Grevenstein, W. M. U., Lacle, M. M., Kops, G. J. P. L., Rinkes, I. H. M. Borel, and Kranenburg, O.
- Published
- 2019
33. Cerebral microbleeds and stroke risk after ischaemic stroke or transient ischaemic attack: a pooled analysis of individual patient data from cohort studies
- Author
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Wilson, D. (Duncan), Ambler, G. (Gareth), Lee, K.-J. (Keon-Joo), Lim, J.-S. (Jae-Sung), Shiozawa, M. (Masayuki), Koga, M. (Masatoshi), Li, L. (Linxin), Lovelock, C. (Caroline), Chabriat, H. (Hugues), Hennerici, M.G. (Michael), Wong, Y.K. (Yuen Kwun), Mak, H.K.F. (Henry Ka Fung), Prats-Sánchez, L. (Luis), Martínez-Domeño, A. (Alejandro), Inamura, S. (Shigeru), Yoshifuji, K. (Kazuhisa), Arsava, E.M. (Ethem Murat), Horstmann, S. (Solveig), Purrucker, J. (Jan), Lam, B.Y.K. (Bonnie Yin Ka), Wong, A. (Adrian), Kim, Y.D. (Young Dae), Song, T.-J. (Tae-Jin), Schrooten, M. (Maarten), Lemmens, R. (Robin), Eppinger, S. (Sebastian), Gattringer, T. (Thomas), Uysal, E. (Ender), Tanriverdi, Z. (Zeynep), Bornstein, S.R. (Stefan), Assayag, E.B. (Einor Ben), Hallevi, H. (Hen), Tanaka, J. (Jun), Hara, H. (Hideo), Coutts, S.B. (Shelagh B), Hert, L. (Lisa), Polymeris, A. (Alexandros), Seiffge, D.J. (David J), Lyrer, P.A. (Philippe), Algra, A. (Ale), Kappelle, L.J. (Jaap), Al-Shahi Salman, R. (Rustam), Jäger, H.R. (Rolf), Lip, G.Y.H. (Gregory Y H), Mattle, H., Panos, L.D. (Leonidas D), Mas, J.L. (J.), Legrand, L. (Laurence), Karayiannis, C. (Christopher), Phan, T.G. (Thanh), Gunkel, S. (Sarah), Christ, N. (Nicolas), Abrigo, J. (Jill), Leung, T. (Thomas), Chu, W. (Winnie), Chappell, F. (Francesca), Makin, S. (Stephen), Hayden, D. (Derek), Williams, D.J. (David J), Kooi, M.E. (M. Eline), van Dam-Nolen, D.H.K. (Dianne H K), Barbato, C. (Carmen), Browning, S. (Simone), Wiegertjes, K. (Kim), Tuladhar, A.M. (Anil M.), Maaijwee, N. (Noortje), Guevarra, C. (Christine), Yatawara, C. (Chathuri), Mendyk, A.-M. (Anne-Marie), Delmaire, C. (Christine), Köhler, S. (Sebastian), Oostenbrugge, R.J. (Robert) van, Zhou, Y. (Ying), Xu, C. (Chao), Hilal, S. (Saima), Gyanwali, B. (Bibek), Chen, C. (Christopher), Lou, M. (Min), Staals, J. (Julie), Bordet, R. (Régis), Kandiah, N. (Nagaendran), Leeuw, H.F. (Frank) de, Simister, R. (Robert), Lugt, A. (Aad) van der, Kelly, P.J. (Peter J), Wardlaw, J.M. (J.), Soo, Y. (Yannie), Fluri, F. (Felix), Srikanth, V. (Velandai), Calvet, D. (David), Jung, S. (Simon), Kwa, V.I.H., Engelter, S.T. (Stefan), Peters, N. (Nils), Smith, E.E. (Eric), Yakushiji, Y. (Yusuke), Orken, D.N. (Dilek Necioglu), Fazekas, F. (Franz), Thijs, V. (Vincent), Heo, J.H. (Ji Hoe), Mok, V. (Vincent), Veltkamp, R. (Roland), Ay, H. (Hakan), Imaizumi, T. (Toshio), Gomez-Anson, B. (Beatriz), Lau, K.K. (Kui Kai), Jouvent, E. (Eric), Rothwell, P.M. (Peter), Toyoda, K. (Kazunori), Bae, H.-J. (Hee-Joon), Marti-Fabregas, J. (Joan), Werring, D.J. (David), Harkness, K. (Kirsty), Shaw, L. (Louise), Sword, J. (Jane), Mohd Nor, A. (Azlisham), Sharma, P. (Pankaj), Kelly, D. (Deborah), Harrington, F. (Frances), Randall, M. (Marc), Smith, M. (Matthew), Mahawish, K. (Karim), Elmarim, A. (Abduelbaset), Esisi, B. (Bernard), Cullen, C. (Claire), Nallasivam, A. (Arumug), Price, C. (Christopher), Barry, A. (Adrian), Roffe, C. (Christine), Coyle, J. (John), Hassan, A. (Ahamad), Birns, J. (Jonathan), Cohen, D. (David), Sekaran, L. (Lakshmanan), Parry-Jones, A. (Adrian), Parry, A. (Anthea), Hargroves, D. (David), Proschel, H. (Harald), Datta, P. (Prabel), Darawil, K. (Khaled), Manoj, A. (Aravindakshan), Burn, M. (Mathew), Patterson, C. (Chris), Giallombardo, E. (Elio), Smyth, N. (Nigel), Mansoor, S. (Syed), Anwar, I. (Ijaz), Marsh, R. (Rachel), Ispoglou, S. (Sissi), Chadha, D. (Dinesh), Prabhakaran, M. (Mathuri), Meenakishundaram, S. (Sanjeevikumar), O'Connell, J. (Janice), Scott, J. (Jon), Krishnamurthy, V. (Vinodh), Aghoram, P. (Prasanna), McCormick, M. (Michael), Sprigg, N. (Nikola), O'Mahony, P. (Paul), Cooper, M. (Martin), Choy, L. (Lillian), Wilkinson, P. (Peter), Leach, S. (Simon), Caine, S. (Sarah), Burger, I. (Ilse), Gunathilagan, G. (Gunaratam), Guyler, P. (Paul), Emsley, H. (Hedley), Davis, M. (Michelle), Manawadu, D. (Dulka), Pasco, K. (Kath), Mamun, M. (Maam), Luder, R. (Robert), Sajid, M. (Mahmud), Okwera, J. (James), Warburton, E. (Elizabeth), Saastamoinen, K. (Kari), England, T. (Timothy), Putterill, J. (Janet), Flossman, E. (Enrico), Power, M. (Michael), Dani, K. (Krishna), Mangion, D. (David), Suman, A. (Appu), Corrigan, J. (John), Lawrence, E. (Enas), Vahidassr, D. (Djamil), Shakeshaft, C. (Clare), Brown, M. (Martin), Charidimou, A. (Andreas), Cohen, H. (Hannah), Banerjee, G. (Gargi), Houlden, H. (Henry), White, M. (Mark), Yousry, T. (Tarek), Flossmann, E. (Enrico), Muir, K. (Keith), El-Koussy, M. (Marwan), Gratz, P. (Pascal), Molad, J. (Jeremy), Korczyn, A.D. (A.), Kliper, E. (Efrat), Maeder, P. (Philippe), Gass, A. (Achim), Pachai, C. (Chahin), Bracoub, L. (Luc), Douste-Blazy, M.-Y. (Marie-Yvonne), Fratacci, M.D. (Marie Dominique), Vicaut, E. (Eric), Sato, S. (Shoichiro), Miwa, K. (Kaori), Fujita, K. (Kyohei), Ide, T. (Toshihiro), Ma, H. (Henry), Ly, J. (John), Singhal, S. (Shahoo), Chandra, R. (Ronil), Slater, L.-A. (Lee-Anne), Soufan, C. (Cathy), Moran, C. (Christopher), Traenka, C. (Christopher), Thilemann, S. (Sebastian), Fladt, J. (Joachim), Gensicke, H. (Henrik), Bonati, L. (Leo), Kim, B.J. (Beom Joon), Han, M.-K. (Moon-Ku), Kang, J. (Jihoon), Ko, E. (Eunbin), Yang, M.H. (Mi Hwa), Jang, M.S. (Myung Suk), Murphy, S. (Sean), Carty, F. (Fiona), Akijian, L. (Layan), Thornton, J. (John), Schembri, M. (Mark), Douven, E. (Elles), Delgado-Mederos;, R. (Raquel), Marín, R. (Rebeca), Camps-Renom, P. (Pol), Guisado-Alonso, D. (Daniel), Nuñez, F. (Fidel), Medrano-Martorell, S. (Santiago), Merino, E. (Elisa), Iida, K. (Kotaro), Ikeda, S. (Syuhei), Nishihara, M. (Masashi), Irie, H. (Hiroyuki), Demirelli, D.S. (Derya Selcuk), Medanta, J.M. (Jayesh Modi), Zerna, C. (Charlotte), Hernández, M.V. (Maria Valdés), Armitage, P. (Paul), Heye, A. (Anna), Muñoz Maniega, S. (Susana), Sakka, E. (Eleni), Thrippleton, M. (Michael), Dennis, M.S. (M.), Beigneux, Y. (Ysoline), Silva, M. (Mauro), Venketasubramanian, N. (Narayanaswamy), Ho, S.L. (Shu Leung), Cheung, R.T.F. (Raymond Tak Fai), Chan, K.H. (Koon Ho), Teo, K.C. (Kay Cheong), Hui, E. (Edward), Kwan, J.S.K. (Joseph Shiu Kwong), Chang, R. (Richard), Tse, M.Y. (Man Yu), Hoi, C.P. (Chu Peng), Chan, C.Y. (Chung Yan), Chan, O.L. (Oi Ling), Cheung, R.H.K. (Ryan Hoi Kit), Wong, E.K.M. (Edmund Ka Ming), Leung, K.T. (Kam Tat), Tsang, S.F. (Suk Fung), Ip, H.L. (Hing Lung), Ma, S.H. (Sze Ho), Ma, K. (Karen), Fong, W.C. (Wing Chi), Li, S.H. (Siu Hung), Li, R. (Richard), Ng, P.W. (Ping Wing), Wong, K.K. (Kwok Kui), Liu, W. (Wenyan), Wong, L. (Lawrence), Ramos, L. (Lino), Schryver, E.L.L.M. (Els) de, Jöbsis, J. (Joost), van der Sande, J. (Jaap), Brouwers, P.J. (Paul), Roos, Y.B.W.E.M. (Yvo), Stam, J. (Jan), Bakker, S.L.M. (Stef), Verbiest, H. (Henk), Schoonewille, W. (Wouter), Linn, C. (Cisca), Hertzberger, L., Gemert, M. (Maarten) van, Berntsen, P. (Paul), Hendrikse, J. (Jeroen), Nederkoorn, P.J. (Paul), Mess, W.H. (Werner), Koudstaal, P.J. (Peter), Leff, A. (Alexander), Ward, N. (Nicholas), Nachev, P. (Parashkev), Perry, R. (Richard), Ozkan, H. (Hatice), Mitchell, J. (John), Wilson, D. (Duncan), Ambler, G. (Gareth), Lee, K.-J. (Keon-Joo), Lim, J.-S. (Jae-Sung), Shiozawa, M. (Masayuki), Koga, M. (Masatoshi), Li, L. (Linxin), Lovelock, C. (Caroline), Chabriat, H. (Hugues), Hennerici, M.G. (Michael), Wong, Y.K. (Yuen Kwun), Mak, H.K.F. (Henry Ka Fung), Prats-Sánchez, L. (Luis), Martínez-Domeño, A. (Alejandro), Inamura, S. (Shigeru), Yoshifuji, K. (Kazuhisa), Arsava, E.M. (Ethem Murat), Horstmann, S. (Solveig), Purrucker, J. (Jan), Lam, B.Y.K. (Bonnie Yin Ka), Wong, A. (Adrian), Kim, Y.D. (Young Dae), Song, T.-J. (Tae-Jin), Schrooten, M. (Maarten), Lemmens, R. (Robin), Eppinger, S. (Sebastian), Gattringer, T. (Thomas), Uysal, E. (Ender), Tanriverdi, Z. (Zeynep), Bornstein, S.R. (Stefan), Assayag, E.B. (Einor Ben), Hallevi, H. (Hen), Tanaka, J. (Jun), Hara, H. (Hideo), Coutts, S.B. (Shelagh B), Hert, L. (Lisa), Polymeris, A. (Alexandros), Seiffge, D.J. (David J), Lyrer, P.A. (Philippe), Algra, A. (Ale), Kappelle, L.J. (Jaap), Al-Shahi Salman, R. (Rustam), Jäger, H.R. (Rolf), Lip, G.Y.H. (Gregory Y H), Mattle, H., Panos, L.D. (Leonidas D), Mas, J.L. (J.), Legrand, L. (Laurence), Karayiannis, C. (Christopher), Phan, T.G. (Thanh), Gunkel, S. (Sarah), Christ, N. (Nicolas), Abrigo, J. (Jill), Leung, T. (Thomas), Chu, W. (Winnie), Chappell, F. (Francesca), Makin, S. (Stephen), Hayden, D. (Derek), Williams, D.J. (David J), Kooi, M.E. (M. Eline), van Dam-Nolen, D.H.K. (Dianne H K), Barbato, C. (Carmen), Browning, S. (Simone), Wiegertjes, K. (Kim), Tuladhar, A.M. (Anil M.), Maaijwee, N. (Noortje), Guevarra, C. (Christine), Yatawara, C. (Chathuri), Mendyk, A.-M. (Anne-Marie), Delmaire, C. (Christine), Köhler, S. (Sebastian), Oostenbrugge, R.J. (Robert) van, Zhou, Y. (Ying), Xu, C. (Chao), Hilal, S. (Saima), Gyanwali, B. (Bibek), Chen, C. (Christopher), Lou, M. (Min), Staals, J. (Julie), Bordet, R. (Régis), Kandiah, N. (Nagaendran), Leeuw, H.F. (Frank) de, Simister, R. (Robert), Lugt, A. (Aad) van der, Kelly, P.J. (Peter J), Wardlaw, J.M. (J.), Soo, Y. (Yannie), Fluri, F. (Felix), Srikanth, V. (Velandai), Calvet, D. (David), Jung, S. (Simon), Kwa, V.I.H., Engelter, S.T. (Stefan), Peters, N. (Nils), Smith, E.E. (Eric), Yakushiji, Y. (Yusuke), Orken, D.N. (Dilek Necioglu), Fazekas, F. (Franz), Thijs, V. (Vincent), Heo, J.H. (Ji Hoe), Mok, V. (Vincent), Veltkamp, R. (Roland), Ay, H. (Hakan), Imaizumi, T. (Toshio), Gomez-Anson, B. (Beatriz), Lau, K.K. (Kui Kai), Jouvent, E. (Eric), Rothwell, P.M. (Peter), Toyoda, K. (Kazunori), Bae, H.-J. (Hee-Joon), Marti-Fabregas, J. (Joan), Werring, D.J. (David), Harkness, K. (Kirsty), Shaw, L. (Louise), Sword, J. (Jane), Mohd Nor, A. (Azlisham), Sharma, P. (Pankaj), Kelly, D. (Deborah), Harrington, F. (Frances), Randall, M. (Marc), Smith, M. (Matthew), Mahawish, K. (Karim), Elmarim, A. (Abduelbaset), Esisi, B. (Bernard), Cullen, C. (Claire), Nallasivam, A. (Arumug), Price, C. (Christopher), Barry, A. (Adrian), Roffe, C. (Christine), Coyle, J. (John), Hassan, A. (Ahamad), Birns, J. (Jonathan), Cohen, D. (David), Sekaran, L. (Lakshmanan), Parry-Jones, A. (Adrian), Parry, A. (Anthea), Hargroves, D. (David), Proschel, H. (Harald), Datta, P. (Prabel), Darawil, K. (Khaled), Manoj, A. (Aravindakshan), Burn, M. (Mathew), Patterson, C. (Chris), Giallombardo, E. (Elio), Smyth, N. (Nigel), Mansoor, S. (Syed), Anwar, I. (Ijaz), Marsh, R. (Rachel), Ispoglou, S. (Sissi), Chadha, D. (Dinesh), Prabhakaran, M. (Mathuri), Meenakishundaram, S. (Sanjeevikumar), O'Connell, J. (Janice), Scott, J. (Jon), Krishnamurthy, V. (Vinodh), Aghoram, P. (Prasanna), McCormick, M. (Michael), Sprigg, N. (Nikola), O'Mahony, P. (Paul), Cooper, M. (Martin), Choy, L. (Lillian), Wilkinson, P. (Peter), Leach, S. (Simon), Caine, S. (Sarah), Burger, I. (Ilse), Gunathilagan, G. (Gunaratam), Guyler, P. (Paul), Emsley, H. (Hedley), Davis, M. (Michelle), Manawadu, D. (Dulka), Pasco, K. (Kath), Mamun, M. (Maam), Luder, R. (Robert), Sajid, M. (Mahmud), Okwera, J. (James), Warburton, E. (Elizabeth), Saastamoinen, K. (Kari), England, T. (Timothy), Putterill, J. (Janet), Flossman, E. (Enrico), Power, M. (Michael), Dani, K. (Krishna), Mangion, D. (David), Suman, A. (Appu), Corrigan, J. (John), Lawrence, E. (Enas), Vahidassr, D. (Djamil), Shakeshaft, C. (Clare), Brown, M. (Martin), Charidimou, A. (Andreas), Cohen, H. (Hannah), Banerjee, G. (Gargi), Houlden, H. (Henry), White, M. (Mark), Yousry, T. (Tarek), Flossmann, E. (Enrico), Muir, K. (Keith), El-Koussy, M. (Marwan), Gratz, P. (Pascal), Molad, J. (Jeremy), Korczyn, A.D. (A.), Kliper, E. (Efrat), Maeder, P. (Philippe), Gass, A. (Achim), Pachai, C. (Chahin), Bracoub, L. (Luc), Douste-Blazy, M.-Y. (Marie-Yvonne), Fratacci, M.D. (Marie Dominique), Vicaut, E. (Eric), Sato, S. (Shoichiro), Miwa, K. (Kaori), Fujita, K. (Kyohei), Ide, T. (Toshihiro), Ma, H. (Henry), Ly, J. (John), Singhal, S. (Shahoo), Chandra, R. (Ronil), Slater, L.-A. (Lee-Anne), Soufan, C. (Cathy), Moran, C. (Christopher), Traenka, C. (Christopher), Thilemann, S. (Sebastian), Fladt, J. (Joachim), Gensicke, H. (Henrik), Bonati, L. (Leo), Kim, B.J. (Beom Joon), Han, M.-K. (Moon-Ku), Kang, J. (Jihoon), Ko, E. (Eunbin), Yang, M.H. (Mi Hwa), Jang, M.S. (Myung Suk), Murphy, S. (Sean), Carty, F. (Fiona), Akijian, L. (Layan), Thornton, J. (John), Schembri, M. (Mark), Douven, E. (Elles), Delgado-Mederos;, R. (Raquel), Marín, R. (Rebeca), Camps-Renom, P. (Pol), Guisado-Alonso, D. (Daniel), Nuñez, F. (Fidel), Medrano-Martorell, S. (Santiago), Merino, E. (Elisa), Iida, K. (Kotaro), Ikeda, S. (Syuhei), Nishihara, M. (Masashi), Irie, H. (Hiroyuki), Demirelli, D.S. (Derya Selcuk), Medanta, J.M. (Jayesh Modi), Zerna, C. (Charlotte), Hernández, M.V. (Maria Valdés), Armitage, P. (Paul), Heye, A. (Anna), Muñoz Maniega, S. (Susana), Sakka, E. (Eleni), Thrippleton, M. (Michael), Dennis, M.S. (M.), Beigneux, Y. (Ysoline), Silva, M. (Mauro), Venketasubramanian, N. (Narayanaswamy), Ho, S.L. (Shu Leung), Cheung, R.T.F. (Raymond Tak Fai), Chan, K.H. (Koon Ho), Teo, K.C. (Kay Cheong), Hui, E. (Edward), Kwan, J.S.K. (Joseph Shiu Kwong), Chang, R. (Richard), Tse, M.Y. (Man Yu), Hoi, C.P. (Chu Peng), Chan, C.Y. (Chung Yan), Chan, O.L. (Oi Ling), Cheung, R.H.K. (Ryan Hoi Kit), Wong, E.K.M. (Edmund Ka Ming), Leung, K.T. (Kam Tat), Tsang, S.F. (Suk Fung), Ip, H.L. (Hing Lung), Ma, S.H. (Sze Ho), Ma, K. (Karen), Fong, W.C. (Wing Chi), Li, S.H. (Siu Hung), Li, R. (Richard), Ng, P.W. (Ping Wing), Wong, K.K. (Kwok Kui), Liu, W. (Wenyan), Wong, L. (Lawrence), Ramos, L. (Lino), Schryver, E.L.L.M. (Els) de, Jöbsis, J. (Joost), van der Sande, J. (Jaap), Brouwers, P.J. (Paul), Roos, Y.B.W.E.M. (Yvo), Stam, J. (Jan), Bakker, S.L.M. (Stef), Verbiest, H. (Henk), Schoonewille, W. (Wouter), Linn, C. (Cisca), Hertzberger, L., Gemert, M. (Maarten) van, Berntsen, P. (Paul), Hendrikse, J. (Jeroen), Nederkoorn, P.J. (Paul), Mess, W.H. (Werner), Koudstaal, P.J. (Peter), Leff, A. (Alexander), Ward, N. (Nicholas), Nachev, P. (Parashkev), Perry, R. (Richard), Ozkan, H. (Hatice), and Mitchell, J. (John)
- Abstract
Background: Cerebral microbleeds are a neuroimaging biomarker of stroke risk. A crucial clinical question is whether cerebral microbleeds indicate patients with recent ischaemic stroke or transient ischaemic attack in whom the rate of future intracranial haemorrhage is likely to exceed that of recurrent ischaemic stroke when treated with antithrombotic drugs. We therefore aimed to establish whether a large burden of cerebral microbleeds or particular anatomical patterns of cerebral microbleeds can identify ischaemic stroke or transient ischaemic attack patients at higher absolute risk of intracranial haemorrhage than ischaemic stroke. Methods: We did a pooled analysis of individual patient data from cohort studies in adults with recent ischaemic stroke or transient ischaemic attack. Cohorts were eligible for inclusion if they prospectively recruited adult participants with ischaemic stroke or
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- 2019
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34. Evaluation of effectiveness of the PlasmaJet surgical device in the treatment of advanced stage ovarian cancer (PlaComOv-study): study protocol of a randomized controlled trial in the Netherlands
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Boer, G.M. (Geertje) de, Hofhuis, W., Reesink-Peters, N., Ewing-Graham, P.C., Schoots, I.G. (Ivo), Beltman, J.J., Piek, J.M.J., Baalbergen, A., Kooi, G.S. (Sjarlot), van Haaften, A., van Huisseling, H., Haans, L., Dorman, M., Beekhuizen, H.J. (Heleen) van, Boer, G.M. (Geertje) de, Hofhuis, W., Reesink-Peters, N., Ewing-Graham, P.C., Schoots, I.G. (Ivo), Beltman, J.J., Piek, J.M.J., Baalbergen, A., Kooi, G.S. (Sjarlot), van Haaften, A., van Huisseling, H., Haans, L., Dorman, M., and Beekhuizen, H.J. (Heleen) van
- Abstract
Background: The most important goal for survival benefit of advanced stage ovarian cancer is to surgically remove all visible tumour, because complete cytoreductive surgery (CCS) has been shown to be associated with prolonged survival. In a remarkable number of women, CCS is very challenging. Especially in women with many small metastases on the peritoneum and intestinal surface, conventional CCS with electrosurgery is not able to be “complete” in removing safely all visible tumour. In this randomized controlled trail (RCT) we investigate whether the use of the PlasmaJet Surgical Device increases the rate of CCS, and whether this indeed leads to a longer progression free and overall survival. The main research question is: does the use of the PlasmaJet Surgical Device in surgery for advanced stage ovarian cancer result in an increased number of complete cytoreductive surgeries when compared with conventional surgical techniques. Secondary study objectives are: 30-day morbidity, duration of surgery, blood loss, length of hospitalisation, Quality of Life, disease-free survival, overall survival, percentage colostomy, cost-effectiveness. Methods: The study design is a multicentre single-blinded superiority RCT in two university and nine non-university hospitals in The Netherlands. Three hundred and thirty women undergoing cytoreductive surgery for advanced stage ovarian carcinoma (FIGO Stage IIIB-IV) will be randomized into two arms: use of the PlasmaJet (intervention group) versus the use of standard surgical instruments combined with electrocoagulation (control group). The primary outcome is the rate of complete cytoreductive surgery in both groups. Secondary study objectives are: 30-day morbidity, duration of surgery, blood loss, length of hospitalisation, Quality of Life, disease-free survival, overall survival, percentage colostomy, cost-effectiveness. Quality of life will be evaluated using validated questionnaires at baseline, at 1 and 6 months after surgery and
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- 2019
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35. Cerebral microbleeds and stroke risk after ischaemic stroke or transient ischaemic attack: a pooled analysis of individual patient data from cohort studies
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Wilson, D, Ambler, G, Lee, K-J, Lim, J-S, Shiozawa, M, Koga, M, Li, L, Lovelock, C, Chabriat, H, Hennerici, M, Wong, YK, Mak, HKF, Prats-Sanchez, L, Martinez-Domeno, A, Inamura, S, Yoshifuji, K, Arsava, EM, Horstmann, S, Purrucker, J, Lam, BYK, Wong, A, Kim, YD, Song, T-J, Schrooten, M, Lemmens, R, Eppinger, S, Gattringer, T, Uysal, E, Tanriverdi, Z, Bornstein, NM, Ben Assayag, E, Hallevi, H, Tanaka, J, Hara, H, Coutts, SB, Hert, L, Polymeris, A, Seiffge, DJ, Lyrer, P, Algra, A, Kappelle, J, Salman, RA-S, Jager, HR, Lip, GYH, Mattle, HP, Panos, LD, Mas, J-L, Legrand, L, Karayiannis, C, Phan, T, Gunkel, S, Christ, N, Abrigo, J, Leung, T, Chu, W, Chappell, F, Makin, S, Hayden, D, Williams, DJ, Kooi, ME, van Dam-Nolen, DHK, Barbato, C, Browning, S, Wiegertjes, K, Tuladhar, AM, Maaijwee, N, Guevarra, C, Yatawara, C, Mendyk, A-M, Delmaire, C, Kohler, S, van Oostenbrugge, R, Zhou, Y, Xu, C, Hilal, S, Gyanwali, B, Chen, C, Lou, M, Staals, J, Bordet, R, Kandiah, N, de Leeuw, F-E, Simister, R, van der Lugt, A, Kelly, PJ, Wardlaw, JM, Soo, Y, Fluri, F, Srikanth, V, Calvet, D, Jung, S, Kwa, VIH, Engelter, ST, Peters, N, Smith, EE, Yakushiji, Y, Orken, DN, Fazekas, F, Thijs, V, Heo, JH, Mok, V, Veltkamp, R, Ay, H, Imaizumi, T, Gomez-Anson, B, Lau, KK, Jouvent, E, Rothwell, PM, Toyoda, K, Bae, H-J, Marti-Fabregas, J, Werring, DJ, Wilson, D, Ambler, G, Lee, K-J, Lim, J-S, Shiozawa, M, Koga, M, Li, L, Lovelock, C, Chabriat, H, Hennerici, M, Wong, YK, Mak, HKF, Prats-Sanchez, L, Martinez-Domeno, A, Inamura, S, Yoshifuji, K, Arsava, EM, Horstmann, S, Purrucker, J, Lam, BYK, Wong, A, Kim, YD, Song, T-J, Schrooten, M, Lemmens, R, Eppinger, S, Gattringer, T, Uysal, E, Tanriverdi, Z, Bornstein, NM, Ben Assayag, E, Hallevi, H, Tanaka, J, Hara, H, Coutts, SB, Hert, L, Polymeris, A, Seiffge, DJ, Lyrer, P, Algra, A, Kappelle, J, Salman, RA-S, Jager, HR, Lip, GYH, Mattle, HP, Panos, LD, Mas, J-L, Legrand, L, Karayiannis, C, Phan, T, Gunkel, S, Christ, N, Abrigo, J, Leung, T, Chu, W, Chappell, F, Makin, S, Hayden, D, Williams, DJ, Kooi, ME, van Dam-Nolen, DHK, Barbato, C, Browning, S, Wiegertjes, K, Tuladhar, AM, Maaijwee, N, Guevarra, C, Yatawara, C, Mendyk, A-M, Delmaire, C, Kohler, S, van Oostenbrugge, R, Zhou, Y, Xu, C, Hilal, S, Gyanwali, B, Chen, C, Lou, M, Staals, J, Bordet, R, Kandiah, N, de Leeuw, F-E, Simister, R, van der Lugt, A, Kelly, PJ, Wardlaw, JM, Soo, Y, Fluri, F, Srikanth, V, Calvet, D, Jung, S, Kwa, VIH, Engelter, ST, Peters, N, Smith, EE, Yakushiji, Y, Orken, DN, Fazekas, F, Thijs, V, Heo, JH, Mok, V, Veltkamp, R, Ay, H, Imaizumi, T, Gomez-Anson, B, Lau, KK, Jouvent, E, Rothwell, PM, Toyoda, K, Bae, H-J, Marti-Fabregas, J, and Werring, DJ
- Abstract
BACKGROUND: Cerebral microbleeds are a neuroimaging biomarker of stroke risk. A crucial clinical question is whether cerebral microbleeds indicate patients with recent ischaemic stroke or transient ischaemic attack in whom the rate of future intracranial haemorrhage is likely to exceed that of recurrent ischaemic stroke when treated with antithrombotic drugs. We therefore aimed to establish whether a large burden of cerebral microbleeds or particular anatomical patterns of cerebral microbleeds can identify ischaemic stroke or transient ischaemic attack patients at higher absolute risk of intracranial haemorrhage than ischaemic stroke. METHODS: We did a pooled analysis of individual patient data from cohort studies in adults with recent ischaemic stroke or transient ischaemic attack. Cohorts were eligible for inclusion if they prospectively recruited adult participants with ischaemic stroke or transient ischaemic attack; included at least 50 participants; collected data on stroke events over at least 3 months follow-up; used an appropriate MRI sequence that is sensitive to magnetic susceptibility; and documented the number and anatomical distribution of cerebral microbleeds reliably using consensus criteria and validated scales. Our prespecified primary outcomes were a composite of any symptomatic intracranial haemorrhage or ischaemic stroke, symptomatic intracranial haemorrhage, and symptomatic ischaemic stroke. We registered this study with the PROSPERO international prospective register of systematic reviews, number CRD42016036602. FINDINGS: Between Jan 1, 1996, and Dec 1, 2018, we identified 344 studies. After exclusions for ineligibility or declined requests for inclusion, 20 322 patients from 38 cohorts (over 35 225 patient-years of follow-up; median 1·34 years [IQR 0·19-2·44]) were included in our analyses. The adjusted hazard ratio [aHR] comparing patients with cerebral microbleeds to those without was 1·35 (95% CI 1·20-1·50) for the composite outcome of intr
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- 2019
36. Comparison of learning outcomes for teaching focused cardiac ultrasound to physicians: A supervised human model course versus an eLearning guided self- directed simulator course.
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Canty, D, Royse, CF, Canty DJ, Barth J, Yang Y, Peters N, Palmer A, Royse AG, Royse CF, Canty, D, Royse, CF, Canty DJ, Barth J, Yang Y, Peters N, Palmer A, Royse AG, and Royse CF
- Abstract
PURPOSE: Focused cardiac ultrasound (FCU) training in critical care is restricted by availability of instructors. Supervised training may be substituted by self-directed learning with an ultrasound simulator guided by automated electronic learning, enabling scalability. MATERIALS AND METHODS: We prospectively compared learning outcomes in novice critical care physicians after completion of a supervised one-and-a-half-day workshop model with a self-guided course utilizing a simulator over four weeks. Both groups had identical pre-workshop on-line learning (20h). Image quality scores were compared using FCU performed on humans without pathology. Interpretive knowledge was compared using 20MCQ tests. RESULTS: Of 161 eligible, 145 participants consented. Total Image quality scores were higher in the Simulator group (95.2% vs. 66.0%, P < .001) and also higher for each view (all P < .001). Interpretive knowledge was not different before (78.6% vs. 79.0%) and after practical training (74.7% vs. 76.1%) and at 3 months (81.0% vs. 77.0%, all P > .1). Including purchase of the simulator and ultrasound equipment, the simulator course required lower direct costs (AUD$796 vs. $1724 per participant) and instructor time (0.5 vs.1.5 days) but similar participant time (2.8 vs. 3.0 days). CONCLUSIONS: Self-directed learning with ultrasound simulators may be a scalable alternative to conventional supervised teaching with human models.
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- 2019
37. Mantle plumes are oxidised
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Moussallam, Yves, Longpre, Marc-Antoina, McCammon, C., Gomez-Ulla, A., Rose-Koga, E. F., Scaillet, B., Peters, N., Gennaro, E., Paris, R., Oppenheimer, C., Moussallam, Yves, Longpre, Marc-Antoina, McCammon, C., Gomez-Ulla, A., Rose-Koga, E. F., Scaillet, B., Peters, N., Gennaro, E., Paris, R., and Oppenheimer, C.
- Abstract
From oxic atmosphere to metallic core, the Earth's components are broadly stratified with respect to oxygen fugacity. A simple picture of reducing oxygen fugacity with depth may be disrupted by the accumulation of oxidised crustal material in the deep lower mantle, entrained there as a result of subduction. While hotspot volcanoes are fed by regions of the mantle likely to have incorporated such recycled material, the oxygen fugacity of erupted hotspot basalts had long been considered comparable to or slightly more oxidised than that of mid-ocean ridge basalt (MORB) and more reduced than subduction zone basalts. Here we report measurements of the redox state of glassy crystal-hosted melt inclusions from tephra and quenched lava samples from the Canary and Cape Verde Islands, that we can independently show were entrapped prior to extensive sulphur degassing. We find high ferric iron to total iron ratios (Fe3+/∑Fe) of up to 0.27–0.30, indicating that mantle plume primary melts are significantly more oxidised than those associated with mid-ocean ridges and even subduction zone. These results, together with previous investigations from the Erebus, Hawaiian and Icelandic hotspots, confirm that mantle upwelling provides a return flow from the deep Earth for components of oxidised subducted lithosphere and suggest that highly oxidised material accumulates or is generated in the lower mantle. The oxidation state of the Earth's interior must therefore be highly heterogeneous and potentially locally inversely stratified.
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- 2019
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38. Accuracy and robustness of 4D logfile-based dose reconstruction
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Spautz, S., Peters, N., Meijers, A., Jakobi, A., Knopf, A., (0000-0001-9550-9050) Troost, E. G. C., (0000-0003-4261-4214) Richter, C., (0000-0002-8178-3144) Stützer, K., Spautz, S., Peters, N., Meijers, A., Jakobi, A., Knopf, A., (0000-0001-9550-9050) Troost, E. G. C., (0000-0003-4261-4214) Richter, C., and (0000-0002-8178-3144) Stützer, K.
- Abstract
Introduction: We plan to use 4D logfile-based dose reconstruction for daily monitoring and potential intervention in PBS treatments of non-small cell lung cancer patients, restricted to limited motion (≤5mm). Here, we assessed the validity of reconstructed doses and their sensitivity to selected disturbed input parameters by dedicated phantom experiments. Material/Methods: Quasi-monoenergetic proton fields were delivered to a dynamic thorax phantom (G.C. Technology, Germany) equipped with a 3cm soft-tissue target intersected by a radiochromic film. The surrogate signal (AZ733-V, ANZAI Medical Co.,Ltd, Japan) of the motion patterns (cos/cos4, period: 5s, peak-to-peak amplitude: 5mm and 30mm) was recorded in synchronization with the machine logfiles. 4D reconstructions with 1mm/3mm dose grid resolution were performed using 4DCTs of 12 amplitude-sorted phases and either ground truth or automatically generated deformation vector fields. Characteristic 1D profiles of the reconstructed and measured doses were compared by gamma index analyses (2mm, 2%). Maximum dose deviations due to simulated offsets between motion and machine logfiles (±1/±5/±25/±250ms) were assessed for quasi-monoenergetic and 4D optimized plans. Results: Characteristic dose patterns were well reproduced (Fig.1). Gamma pass rates were >98% under static conditions. For 5mm motion, the pass rate of 94.2% for an ideal reconstruction with 1mm³ dose voxels dropped to 93.0% with clinically used voxel sizes (3×3×3mm³), 83.6% when using automated DIR and 78.2% for the combination of both, respectively. For the 30mm motion, the CT artifacts and residual motion were predominant and lead for 3mm dose grids to gamma pass rates of approximately 84%, irrespective of chosen DIR. Fig.2 depicts the effect of simulated logfile asynchrony. Conclusions: The implemented method is robust against disturbed input parameters for the small, clinically aimed motion amplitudes. Reconstruction accuracy decreases with deformation-re
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- 2019
39. Dual-energy computed tomography for improved proton therapy treatment planning
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Peters, N., (0000-0002-2121-0934) Wohlfahrt, P., Möhler, C., Greilich, S., (0000-0003-4261-4214) Richter, C., Peters, N., (0000-0002-2121-0934) Wohlfahrt, P., Möhler, C., Greilich, S., and (0000-0003-4261-4214) Richter, C.
- Abstract
Purpose/Objective: Cancer treatment with protons requires an accurate prediction of the particle’s range in tissue. In cCurrently clinical practice, computed tomography (CT) images are used to voxelwise translate the CT number into the tissue’s stopping power relative to water (SPR) via heuristic relations (HLUT). However, the general validity of this approach is limited due to the different physical interaction processes of photons and ions. The resulting range uncertainty is taken into account in the treatment plan by adding a safety margin around the tumor, effectively limiting the potential benefits of particle therapy over conventional radiotherapy. The use of dual-energy CT (DECT) allows for a direct derivation of tissue parameters, resulting in a better characterization of the tissue. The potential of a DECT-based,and ultimately allows a patient-individualized range prediction (DirectSPR) has been shown in previous work. In 2015, we were first to introduce DECT scans for routine clinical treatment planning, still using a generic HLUT. Here, we portray the next steps towards the full clinical implementation of DirectSPR, namely its validation and assessment of its clinical benefit. Material and Methods: To validate the method for realistic clinical scenarios, its accuracy was investigated in an anthropomorphic head phantom as well as in porcine biological tissue. Furthermore, intra- and inter-patient variabilities in CT-based SPR prediction were investigated in a retrospective analysis of 102 brain-tumor and 25 prostate-cancer patients. The clinical HLUT was then refined by performing a step-wise weighted linear fit of the resulting SPR distribution in different tissue regionsusing the DirectSPR information of the investigated patient cohort. To assess the effect of this refinement on the proton range within the patient, treatment plans were recalculated using the clinical HLUT, the refined HLUT as well as the DirectSPR approach. Results: In the complex head g
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- 2019
40. Einfluss von Protonen-Reichweiteunsicherheiten auf LET-Verteilungen am Beispiel von Hirntumor-Patienten
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Hahn, C., Peters, N., Wohlfahrt, P., Richter, C., Eulitz, J., Enghardt, W., Lühr, A., Hahn, C., Peters, N., Wohlfahrt, P., Richter, C., Eulitz, J., Enghardt, W., and Lühr, A.
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Einleitung Erste klinische Evidenz zeigt, dass die relative biologische Wirksamkeit (RBW) von Protonen auch vom linearen Energietransfer (LET) bestimmt wird. Die patientenspezifische LET-Verteilung folgt aus der Eindringtiefe der Protonenstrahlen und wird daher unmittelbar von Reichweiteunsicherheiten beeinflusst. Diese Studie quantifiziert den Einfluss von Reichweiteunsicherheiten auf LET-Verteilungen im klinischen Zielvolumen (CTV) und angrenzenden Risikoorganen am Beispiel von Hirntumor-Patienten. Material & Methoden Für jeden Patienten wurden zwei nominelle, robust-optimierte Bestrahlungspläne mit Pencil-Beam-Scanning unter Verwendung von Single-Field-Uniform-Dose und Multi-Field-Optimization erstellt. Dabei wurde jeweils ein Simultan-Integrierter-Boost mit zwei Einstrahlrichtungen geplant. Das Protonenbremsvermögen jedes Voxels folgte direkt aus dem Dual-Energy-CT-Scan für die Therapieplanung. Systematische Reichweiteunterschiede wurden durch Skalierung des Bremsvermögens erzeugt. Die Bestrahlungspläne wurden mittels Monte-Carlo-Methode für drei Reichweiteszenarien (nominell, ±3.5%) simuliert und der dosisgemittelte LET voxelweise bestimmt (RayStation, Forschungsversion 5.99.50). Die Auswertungen der LET-Differenzen erfolgte voxelweise, organspezifisch und auf einem Signifikanzniveau von 5% (zweiseitiger t-Test). Ergebnisse Der mittlere LET im Zielvolumen änderte sich weder signifikant durch die simulierten Reichweiteunsicherheiten noch durch die verwendete Planungsstrategie. Gemittelt über Patienten, Planungsstrategie und Reichweiteszenarien betrug der mittlere LET (±Standardabweichung) im CTV 2.78 (±0.07) keV/µm. Im Vergleich zum CTV war der mittlere LET in Risikoorganen signifikant erhöht. Reichweiteunsicherheiten führten innerhalb einer Planungsstrategie patientenspezifisch zu einer Veränderung des mittleren LET um bis zu 0.70 keV/µm (rechter Sehnerv) bzw. 0.38 keV/µm (Hirnstamm). Die Reichweiteunsicherheiten führten zu relevanten Änderungen der LET-Varianz
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- 2019
41. Organoids from colorectal peritoneal metastases as a platform for improving hyperthermic intraperitoneal chemotherapy
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MS CGO, Cancer, Epi Kanker Team A, JC onderzoeksprogramma Kanker, Regenerative Medicine and Stem Cells, Zorgeenheid Heelkunde Medisch, Pathologie Pathologen staf, Hubrecht Institute with UMC, CMM Sectie Molecular Cancer Research, CMM Groep Coffer, Ubink, I., Bolhaqueiro, A. C. F., Elias, S. G., Raats, D. A. E., Constantinides, A., Peters, N. A., Wassenaar, E. C. E., de Hingh, I. H. J. T., Rovers, K. P., van Grevenstein, W. M. U., Lacle, M. M., Kops, G. J. P. L., Rinkes, I. H. M. Borel, Kranenburg, O., MS CGO, Cancer, Epi Kanker Team A, JC onderzoeksprogramma Kanker, Regenerative Medicine and Stem Cells, Zorgeenheid Heelkunde Medisch, Pathologie Pathologen staf, Hubrecht Institute with UMC, CMM Sectie Molecular Cancer Research, CMM Groep Coffer, Ubink, I., Bolhaqueiro, A. C. F., Elias, S. G., Raats, D. A. E., Constantinides, A., Peters, N. A., Wassenaar, E. C. E., de Hingh, I. H. J. T., Rovers, K. P., van Grevenstein, W. M. U., Lacle, M. M., Kops, G. J. P. L., Rinkes, I. H. M. Borel, and Kranenburg, O.
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- 2019
42. Evaluation of effectiveness of the PlasmaJet surgical device in the treatment of advanced stage ovarian cancer (PlaComOv-study): study protocol of a randomized controlled trial in the Netherlands
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Boer, Gatske, Hofhuis, W, Reesink-Peters, N, Graham, Patricia, Schoots, Ivo, Beltman, JJ, Piek, JMJ, Baalbergen, A, Kooi, GS, van Haaften, A, van Huisseling, H, Haans, L, Dorman, M, Beekhuizen, Heleen, Boer, Gatske, Hofhuis, W, Reesink-Peters, N, Graham, Patricia, Schoots, Ivo, Beltman, JJ, Piek, JMJ, Baalbergen, A, Kooi, GS, van Haaften, A, van Huisseling, H, Haans, L, Dorman, M, and Beekhuizen, Heleen
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- 2019
43. The relationship between autobiographical memory performance and empathy
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Peters, N., Peters, N., Peters, N., and Peters, N.
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- 2016
44. Comparison of learning outcomes for teaching focused cardiac ultrasound to physicians: A supervised human model course versus an eLearning guided self- directed simulator course.
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Royse C., Canty D., Peters N., Palmer A., Royse A., Barth J., Yang Y., Royse C., Canty D., Peters N., Palmer A., Royse A., Barth J., and Yang Y.
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Purpose: Focused cardiac ultrasound (FCU) training in critical care is restricted by availability of instructors. Supervised training may be substituted by self-directed learning with an ultrasound simulator guided by automated electronic learning, enabling scalability. Material(s) and Method(s): We prospectively compared learning outcomes in novice critical care physicians after completion of a supervised one-and-a-half-day workshop model with a self-guided course utilizing a simulator over four weeks. Both groups had identical pre-workshop on-line learning (20h). Image quality scores were compared using FCU performed on humans without pathology. Interpretive knowledge was compared using 20MCQ tests. Result(s): Of 161 eligible, 145 participants consented. Total Image quality scores were higher in the Simulator group (95.2% vs. 66.0%, P <.001) and also higher for each view (all P <.001). Interpretive knowledge was not different before (78.6% vs. 79.0%) and after practical training (74.7% vs. 76.1%) and at 3 months (81.0% vs. 77.0%, all P >.1). Including purchase of the simulator and ultrasound equipment, the simulator course required lower direct costs (AUD$796 vs. $1724 per participant) and instructor time (0.5 vs.1.5 days) but similar participant time (2.8 vs. 3.0 days). Conclusion(s): Self-directed learning with ultrasound simulators may be a scalable alternative to conventional supervised teaching with human models.Copyright © 2018 Elsevier Inc.
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- 2018
45. Radar Altimetry as a Robust Tool for Monitoring the Active Lava Lake at Erebus Volcano, Antarctica
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Peters, N. J., Oppenheimer, C., Brennan, P., Lok, L. B., Ash, M., Kyle, P., Peters, N. J., Oppenheimer, C., Brennan, P., Lok, L. B., Ash, M., and Kyle, P.
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The level of lava within a volcanic conduit reflects the overpressure within a connected magma reservoir. Continuous monitoring of lava level can therefore provide critical insights into volcanic processes and aid hazard assessment. However, accurate measurements of lava level are not easy to make, partly owing to the often dense fumes that hinder optical techniques. Here we present the first radar instrument designed for the purpose of monitoring lava level and report on its successful operation at Erebus volcano, Antarctica. We describe the hardware and data-processing steps followed to extract a time series of lava lake level, demonstrating that we can readily resolve ∼1 m cyclic variations in lake level that have previously been recognized at Erebus volcano. The performance of the radar (continuous, automated data collection in temperatures of around −30 °C) indicates the suitability of this approach for sustained automated measurements at Erebus and other volcanoes with lava lakes.
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- 2018
46. Serum neurofilament light chain in patients with acute cerebrovascular events
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De Marchis, G M; https://orcid.org/0000-0002-0342-9780, Katan, M, Barro, C, Fladt, J, Traenka, C, Seiffge, D J, Hert, L, Gensicke, H, Disanto, G, Sutter, R, Peters, N, Sarikaya, H, Goeggel-Simonetti, B, El-Koussy, M, Engelter, S, Lyrer, P A, Christ-Crain, M, Arnold, M, Kuhle, J, Bonati, L H, De Marchis, G M; https://orcid.org/0000-0002-0342-9780, Katan, M, Barro, C, Fladt, J, Traenka, C, Seiffge, D J, Hert, L, Gensicke, H, Disanto, G, Sutter, R, Peters, N, Sarikaya, H, Goeggel-Simonetti, B, El-Koussy, M, Engelter, S, Lyrer, P A, Christ-Crain, M, Arnold, M, Kuhle, J, and Bonati, L H
- Abstract
BACKGROUND AND PURPOSE Serum neurofilaments are markers of axonal injury. We addressed their diagnostic and prognostic role in acute ischemic stroke (AIS) and transient ischemic attack (TIA). METHODS Nested within a prospective cohort study, we compared levels of serum neurofilament light chain (sNfL) drawn within 24 h from symptom onset in patients with AIS or TIA. Patients without magnetic resonance imaging on admission were excluded. We assessed whether sNfL was associated with: (i) clinical severity on admission, (ii) diagnosis of AIS vs. TIA, (iii) infarct size on admission magnetic resonance diffusion-weighted imaging (MR-DWI) and (iv) functional outcome at 3 months. RESULTS We analyzed 504 patients with AIS and 111 patients with TIA. On admission, higher National Institutes of Health Stroke Scale (NIHSS) scores were associated with higher sNfL: NIHSS score < 7, 13.1 pg/mL [interquartile range (IQR), 5.3-27.8]; NIHSS score 7-15, 16.7 pg/mL (IQR, 7.4-34.9); and NIHSS score > 15, 21.0 pg/mL (IQR, 9.3-40.4) (P = 0.01). Compared with AIS, patients with TIA had lower sNfL levels [9.0 pg/mL (95% confidence interval, 4.0-19.0) vs. 16.0 pg/mL (95% confidence interval, 7.3-34.4), P < 0.001], also after adjusting for age and NIHSS score (P = 0.006). Among patients with AIS, infarct size on admission MR-DWI was not associated with sNfL, either in univariate analysis (P = 0.15) or after adjusting for age and NIHSS score on admission (P = 0.56). Functional outcome 3 months after stroke was not associated with sNfL after adjusting for established predictors. CONCLUSIONS In conclusion, among patients admitted within 24 h of AIS or TIA onset, admission sNfL levels were associated with clinical severity on admission and TIA diagnosis, but not with infarct size on MR-DWI acquired on admission or functional outcome at 3 months.
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- 2018
47. Clinical application of dual-energy CT for improved proton stopping-power prediction
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Peters, N., Wohlfahrt, P., Möhler, C., Enghardt, W., Krause, M., Troost, E., Greilich, S., Richter, C., Peters, N., Wohlfahrt, P., Möhler, C., Enghardt, W., Krause, M., Troost, E., Greilich, S., and Richter, C.
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Purpose/Objective The sub-percentage accuracy in proton stopping-power prediction of patient-individualized range prediction (PIRP) using dual-energy CT (DECT) was demonstrated in recent studies. Although DECT-derived pseudo-monoenergetic CT scans have been introduced into clinical routine, a heuristic conversion (HLUT) from CT number to stopping power ratio (SPR) is still necessary, Fig.1(1). We propose a method to refine the clinical HLUT by applying PIRP on a broad patient cohort as a step towards its clinical implementation. Materials/Methods Voxelwise correlations of CT number and SPR were obtained using DECT scans of 102 brain-tumor and 25 prostate-cancer patients treated with protons. The clinical HLUT was then refined by performing a step-wise weighted linear fit of the SPR distribution in different tissue regions, Fig.1(2). Furthermore, the intra- and inter-patient variability was quantified. To assess dose differences and range shifts, proton treatment plans were recalculated using the clinical and refined HLUT as well as PIRP. Results Between clinical HLUT and PIRP, mean range differences (±1SD) of (1.2±0.7)% for brain-cancer and (1.7±0.5)% for prostate-tumor patients were determined. On average, the clinical HLUT predicted larger SPR for brain, muscle and trabecular bone, leading to the systematic range deviations. They were significantly reduced (p≪0.001, two-sample t-test) below 0.3% by using the refined HLUT. However, an observed intra-patient soft-tissue diversity of 6% as well as an inter-patient bone diversity of 5% cannot be considered by any generic HLUT-based range prediction. Conclusion Retrospective application of PIRP allows for a reduction of systematic deviations found in clinical HLUT. In principal, this can also be transferred to particle-therapy centers not using DECT routinely. The refined HLUT was implemented at our institution as a step towards the currently ongoing full integration of PIRP. This includes the calibration, an end-to-en
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- 2018
48. Diagnostic workup for postmenopausal bleeding: a randomised controlled trial
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Hanegem, N. van, Breijer, M.C., Slockers, S.A., Zafarmand, M.H., Geomini, P., Catshoek, R., Pijnenborg, J.M.A., Voet, L.F. van der, Dijkhuizen, F., Hoecke, G. van, Reesink-Peters, N., Veersema, S., Hooff, M. van, Kesteren, P. van, Huirne, J.A., Opmeer, B.C., Bongers, M.Y., Mol, B., Timmermans, A., Hanegem, N. van, Breijer, M.C., Slockers, S.A., Zafarmand, M.H., Geomini, P., Catshoek, R., Pijnenborg, J.M.A., Voet, L.F. van der, Dijkhuizen, F., Hoecke, G. van, Reesink-Peters, N., Veersema, S., Hooff, M. van, Kesteren, P. van, Huirne, J.A., Opmeer, B.C., Bongers, M.Y., Mol, B., and Timmermans, A.
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Item does not contain fulltext, OBJECTIVE: To evaluate the effectiveness of hysteroscopy for the detection and treatment of endometrial polyps versus expectant management in women with postmenopausal bleeding (PMB), a thickened endometrium and benign endometrial sampling. DESIGN: Multicentre, randomised controlled trial. SETTING: Three academic hospitals and nine non-academic teaching hospitals in the Netherlands. POPULATION: Women with PMB, an endometrial thickness >4 mm and benign result from endometrial sampling. METHODS: Women were randomised to either further diagnostic workup by hysteroscopy (preceded by saline infusion sonography) or expectant management. MAIN OUTCOMES: The primary outcome measure was recurrence of PMB within a year after randomisation. Secondary outcome measures were time to recurrent bleeding and recurrent bleeding after more than 1 year. In the hysteroscopy group, the presence of polyps and the results of their histology were registered. RESULTS: Between January 2010 and October 2013, 200 women were randomised; 98 to hysteroscopy and 102 to expectant management. Within 1 year a total of 15 women (15.3%) in the hysteroscopy group experienced recurrent bleeding, versus 18 (18.0%) in the expectant management group (relative risk 0.85 (95% CI 0.46-1.59). In the hysteroscopy group, 50/98 (51%) polyps were diagnosed of which 6/98 (6%) showed evidence of endometrial (pre)malignancy; final pathology results after hysterectomy showed three women with hyperplasia with atypia and three women with endometrial cancer. CONCLUSION: In women with PMB, a thickened endometrium and benign endometrial sampling, operative hysteroscopy does not reduce recurrent bleeding. Hysteroscopy detected focal endometrial (pre)malignancy in 6% of women who had benign endometrial sampling. This finding indicates that in these women, further diagnostic workup is warranted to detect focal (pre)malignancies, missed by blind endometrial sampling. TWEETABLE ABSTRACT: In women with PMB, hysteroscopy does not re
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- 2017
49. Diagnostic workup for postmenopausal bleeding: a randomised controlled trial
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Van Hanegem, N., Breijer, M.C., Slockers, S.A. (S. A.), Zafarmand, M.H. (Mohammad Hadi), Geomini, P.M.A.J., Catshoek, R. (R.), Pijnenborg, J.M.A. (Johanna), Van der Voet, L.F., Dijkhuizen, F.P.H.L.J., van Hoecke, G.C.R. (G. C.R.), Reesink-Peters, N. (N.), Veersema, S. (S.), Hooff, M.H.A. (Marcel) van, van Kesteren, P.J.M., Huirne, J.A.F. (Judith), Opmeer, B.C. (Brent), Bongers, M.Y., Mol, B.W.J. (Ben), Timmermans, A. (Anne), Van Hanegem, N., Breijer, M.C., Slockers, S.A. (S. A.), Zafarmand, M.H. (Mohammad Hadi), Geomini, P.M.A.J., Catshoek, R. (R.), Pijnenborg, J.M.A. (Johanna), Van der Voet, L.F., Dijkhuizen, F.P.H.L.J., van Hoecke, G.C.R. (G. C.R.), Reesink-Peters, N. (N.), Veersema, S. (S.), Hooff, M.H.A. (Marcel) van, van Kesteren, P.J.M., Huirne, J.A.F. (Judith), Opmeer, B.C. (Brent), Bongers, M.Y., Mol, B.W.J. (Ben), and Timmermans, A. (Anne)
- Abstract
Objective: To evaluate the effectiveness of hysteroscopy for the detection and treatment of endometrial polyps versus expectant management in women with postmenopausal bleeding (PMB), a thickened endometrium and benign endometrial sampling. Design: Multicentre, randomised controlled trial. Setting: Three academic hospitals and nine non-academic teaching hospitals in the Netherlands. Population: Women with PMB, an endometrial thickness >4 mm and benign result from endometrial sampling. Methods: Women were randomised to either further diagnostic workup by hysteroscopy (preceded by saline infusion sonography) or expectant management. Main outcomes: The primary outcome measure was recurrence of PMB within a year after randomisation. Secondary outcome measures were time to recurrent bleeding and recurrent bleeding after more than 1 year. In the hysteroscopy group, the presence of polyps and the results of their histology were registered. Results: Between January 2010 and October 2013, 200 women were randomised; 98 to hysteroscopy and 102 to expectant management. Within 1 year a total of 15 women (15.3%) in the hysteroscopy group experienced recurrent bleeding, versus 18 (18.0%) in the expectant management group (relative risk 0.85 (95% CI 0.46–1.59). In the hysteroscopy group, 50/98 (51%) polyps were diagnosed of which 6/98 (6%) showed evidence of endometrial (pre)malignancy; final pathology results after hysterectomy showed three women with hyperplasia with atypia and three women with endometrial cancer. Conclusion: In women with PMB, a thickened endometrium and benign endometrial sampling, operative hysteroscopy does not reduce recurrent bleeding. Hysteroscopy detected focal endometrial (pre)malignancy in 6% of women who had benign endometrial sampling. This finding indicates that in these women, further diagnostic workup is warranted to detect focal (pre)malignancies, missed by blind endometrial sampling. Tweetable abstract: In women with PMB, hysteroscopy does not re
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- 2017
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50. Digital preservation of cultural heritage
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Peters, N., Marinova, D., van Faassen, M., Stasiuk, G., Peters, N., Marinova, D., van Faassen, M., and Stasiuk, G.
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This focus of this chapter is the state of the art of digitisation of cultural heritage in Australian archives and libraries from a comparative perspective. Globalisation, mobility and the new techniques that spin off from the digital age bring about new possibilities that stimulate and enhance our capacity to ask new questions about how we perceive ourselves and how we want to preserve our history. It also seeks to make this archival documentation accessible to scholars and community members alike looking for their own family’s history in its societal context—within and across the national borders that hold their records. As migration in all its forms can be seen as a metaphor for the journey of the self and the collective, migrant heritage can also serve as a way to prioritise digitisation projects in cultural heritage institutions. However, more global collaboration and partnerships are needed to achieve this “virtual reconnect” the cross-national scattered nature of migrant histories and heritage held in archives around the world.
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- 2017
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