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2. Humidity sensor element based on porous silicon -- reduced graphene oxide sandwich-like structures.

Author

Olenych, I. B., Horbenko, Y. Y., Monastyrskii, L. S., Aksimentyeva, O. I., and Boyko, Y. V.

Subjects
GRAPHENE oxide, HUMIDITY, FIELD-effect transistors, DETECTORS
Abstract

In this study, the field-effect transistor (FET) based on porous silicon (PS) -- reduced graphene oxide (rGO) sandwich-like structure is suggested as a sensitive element of the humidity sensor. It is shown that the position of the charge neutrality point (Dirac point) and the ratio between the hole and electron branches of the resistance profile of the PS--rGO-based FET depend significantly on the relative humidity. An increase in air humidity causes a decrease in the electrical resistance and an increase in the capacity of the obtained FET. The sensing ability and dynamic characteristics were analyzed to estimate the sensory properties of the PS--rGO sandwich-like structure. A higher sensitivity of the resistive sensor element than the capacitive has been found. The response time of the obtained sensors to changing relative humidity is about 1 min at room temperature. As a result, the PS--rGO-based FET demonstrates high potential applications in humidity-sensitive devices. [ABSTRACT FROM AUTHOR]

Published
2023
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4. Sleep quality and circadian rhythm disruption in the intensive care unit: a review

Author

Boyko Y, Jennum P, and Toft P

Subjects
Critically ill patients, sleep quality, polysomnography, environmental factors, mechanical ventilation, sedation, melatonin, Psychiatry, RC435-571, Neurophysiology and neuropsychology, QP351-495
Abstract

Yuliya Boyko,1 Poul Jennum,2 Palle Toft1 1Department of Anesthesia and Intensive Care Medicine, Odense University Hospital, Odense, Denmark, 2Department of Clinical Neurophysiology, Danish Center for Sleep Medicine, Rigshospitalet, Glostrup, Denmark Abstract: Sleep and circadian rhythm are reported to be severely abnormal in critically ill patients. Disturbed sleep can lead to the development of delirium and, as a result, can be associated with prolonged stay in the intensive care unit (ICU) and increased mortality. The standard criterion method of sleep assessment, polysomnography (PSG), is complicated in critically ill patients due to the practical challenges and interpretation difficulties. Several PSG sleep studies in the ICU reported the absence of normal sleep characteristics in many critically ill patients, making the standard method of sleep scoring insufficient in this patient group. Watson et al proposed a modified classification for sleep scoring in critically ill patients. This classification has not yet been validated. Sleep disturbance in the ICU is a multifactorial problem. The ICU environment, mechanical ventilation, medication, as well as the critical illness itself have been reported as important sleep disturbing factors. Secretion of sleep hormone, melatonin, expressing circadian rhythmicity was found abolished or phase delayed in critically ill patients. Various interventions have been tested in several studies aiming to improve sleep quality and circadian rhythm in the ICU. The results of these studies were inconclusive due to using the sleep assessment methods other than PSG or the absence of a reliable sleep scoring tool for the analysis of the PSG findings in this patient population. Development of a valid sleep scoring classification is essential for further sleep research in critically ill patients. Keywords: critically ill patients, sleep patterns, polysomnography, environmental factors, mechanical ventilation, sedation; melatonin

Published
2017

5. Linguistic Dimension of Political Advertising: Analysis of Linguistic Means of Manipulative Influence

Author

Kuzmenko, O., Kyryliuk, O., Bublyk, T., Boyko, Y., Ruban, V., Kuzmenko, O., Kyryliuk, O., Bublyk, T., Boyko, Y., and Ruban, V.

Abstract

The manipulative influence of speech is a constant subject of debate. Advertising as a reflection of social reality has manipulative potential. Studies of the linguistic means that form and enable the manipulative slogans of political advertising are studied in terms of sociolinguistics, language dynamics of political discourse, and in most scientific sources are revealed as a new conscious manifestation of the desire to influence the masses. Manipulative discourse is considered in the strategic field of didactics of language and culture. Political advertising is capable of generating a huge stream of individual and collective reflections that touch upon the most basic human features of linguodidactics. Not only is the contrast between “language” (bearing, reassuring, essential) and “manipulative” (obscure, threatening, dangerous) stark, but their juxtaposition is neither more nor less unnatural. The main purpose of political discourse is to promote understanding, communication, and dialogue between cultures and to have a manipulative effect. So, the main question is whether argumentation should be considered in the analysis of the manipulative influence of political advertising discourse. Subsequent directions of consideration of the concept are determined by the possibility of using the proposed model in the study of political speeches on the material of other languages. In further scientific searches, we will focus on other theoretical studios of discourse, focusing on those of that are aimed, among other things, at the analysis of political discourse, in particular, the most significant factors determining its essence, peculiarities of construction, and development in those or other socio-cultural conditions.

Published
2023

7. ESICM LIVES 2016: part one: Milan, Italy. 1-5 October 2016

Author

Bos, L., Schouten, L., van Vught, L., Wiewel, M., Ong, D., Cremer, O., Artigas, A., Martin-Loeches, I., Hoogendijk, A., van der Poll, T., Horn, J., Juffermans, N., Schultz, M., de Prost, N., Pham, T., Carteaux, G., Dessap, A. Mekontso, Brun-Buisson, C., Fan, E., Bellani, G., Laffey, J., Mercat, A., Brochard, L., Maitre, B., Howells, P. A., Thickett, D. R., Knox, C., Park, D. P., Gao, F., Tucker, O., Whitehouse, T., McAuley, D. F., Perkins, G. D., Pham, T., Laffey, J., Bellani, G., Fan, E., Pisani, L., Roozeman, J. P., Simonis, F. D., Giangregorio, A., Schouten, L. R., Van der Hoeven, S. M., Horn, J., Neto, A. Serpa, Festic, E., Dondorp, A. M., Grasso, S., Bos, L. D., Schultz, M. J., Koster-Brouwer, M., Verboom, D., Scicluna, B., van de Groep, K., Frencken, J., Schultz, M., van der Poll, T., Bonten, M., Cremer, O., Ko, J. I., Kim, K. S., Suh, G. J., Kwon, W. Y., Kim, K., Shin, J. H., Ranzani, O. T., Prina, E., Menendez, R., Ceccato, A., Mendez, R., Cilloniz, C., Gabarrus, A., Ferrer, M., Torres, A., Urbano, A., Zhang, L. A., Swigon, D., Pike, F., Parker, R. S., Clermont, G., Scheer, C., Kuhn, S. O., Modler, A., Vollmer, M., Fuchs, C., Hahnenkamp, K., Rehberg, S., Gründling, M., Taggu, A., Darang, N., Öveges, N., László, I., Tánczos, K., Németh, M., Lebák, G., Tudor, B., Érces, D., Kaszaki, J., Huber, W., Trásy, D., Molnár, Z., Ferrara, G., Edul, V. S. Kanoore, Canales, H. S., Martins, E., Canullán, C., Murias, G., Pozo, M. O., Eguillor, J. F. Caminos, Buscetti, M. G., Ince, C., Dubin, A., Aya, H. D., Rhodes, A., Fletcher, N., Grounds, R. M., Cecconi, M., Jacquet-Lagrèze, M., Riche, M., Schweizer, R., Portran, P., Fornier, W., Lilot, M., Neidecker, J., Fellahi, J. L., Escoresca-Ortega, A., Gutiérrez-Pizarraya, A., Charris-Castro, L., Corcia-Palomo, Y., Fernandez-Delgado, E., Garnacho-Montero, J., Roger, C., Muller, L., Elotmani, L., Lipman, J., Lefrant, J. Y., Roberts, J. A., Muñoz-Bermúdez, R., Samper, M., Climent, C., Vasco, F., Sara, V., Luque, S., Campillo, N., Cerrato, S. Grau, Masclans, J. R., Alvarez-Lerma, F., Brugger, S. Carvalho, Jimenez, G. Jimenez, Torner, M. Miralbés, Cabello, J. Trujillano, Garrido, B. Balsera, Casals, X. Nuvials, Gaite, F. Barcenilla, Vidal, M. Vallverdú, Martínez, M. Palomar, Gusarov, V., Shilkin, D., Dementienko, M., Nesterova, E., Lashenkova, N., Kuzovlev, A., Zamyatin, M., Demoule, A., Carreira, S., Lavault, S., Palancca, O., Morawiec, E., Mayaux, J., Arnulf, I., Similowski, T., Rasmussen, B. S., Maltesen, R. G., Hanifa, M., Pedersen, S., Kristensen, S. R., Wimmer, R., Panigada, M., Bassi, G. Li, Ranzani, O. T., Kolobow, T., Zanella, A., Cressoni, M., Berra, L., Parrini, V., Kandil, H., Salati, G., Livigni, S., Amatu, A., Andreotti, A., Tagliaferri, F., Moise, G., Mercurio, G., Costa, A., Vezzani, A., Lindau, S., Babel, J., Cavana, M., Consonni, D., Pesenti, A., Gattinoni, L., Torres, A., Mansouri, P., Zand, F., Zahed, L., Dehghanrad, F., Bahrani, M., Ghorbani, M., Cambiaghi, B., Moerer, O., Mauri, T., Kunze-Szikszay, N., Ritter, C., Pesenti, A., Quintel, M., Vilander, L. M., Kaunisto, M. A., Vaara, S. T., Pettilä, V., Mulier, J. L. G. Haitsma, Rozemeijer, S., Spoelstra-de Man, A. M. E., Elbers, P. E., Tuinman, P. R., de Waard, M. C., Oudemans-van Straaten, H. M., Liberatore, A. M. A., Souza, R. B., Martins, A. M. C. R. P. F., Vieira, J. C. F., Koh, I. H. J., Martínez, M. Galindo, Sánchez, R. Jiménez, Gascón, L. Martínez, Mulero, M. D. Rodríguez, Freire, A. Ortín, Muñoz, A. Ojados, Acebes, S. Rebollo, Martínez, Á. Fernández, Aliaga, S. Moreno, Para, L. Herrera, Payá, J. Murcia, Mulero, F. Rodríguez, Guerci, P., Ince, Y., Heeman, P., Ergin, B., Ince, C., Uz, Z., Massey, M., Ince, Y., Papatella, R., Bulent, E., Guerci, P., Toraman, F., Ince, C., Longbottom, E. R., Torrance, H. D., Owen, H. C., Hinds, C. J., Pearse, R. M., O’Dywer, M. J., Trogrlic, Z., van der Jagt, M., Lingsma, H., Ponssen, H. H., Schoonderbeek, J. F., Schreiner, F., Verbrugge, S. J., Duran, S., van Achterberg, T., Bakker, J., Gommers, D. A. M. P. J., Ista, E., Krajčová, A., Waldauf, P., Duška, F., Shah, A., Roy, N., McKechnie, S., Doree, C., Fisher, S., Stanworth, S. J., Jensen, J. F., Overgaard, D., Bestle, M. H., Christensen, D. F., Egerod, I., Pivkina, A., Gusarov, V., Zhivotneva, I., Pasko, N., Zamyatin, M., Jensen, J. F., Egerod, I., Bestle, M. H., Christensen, D. F., Alklit, A., Hansen, R. L., Knudsen, H., Grode, L. B., Overgaard, D., Hravnak, M., Chen, L., Dubrawski, A., Clermont, G., Pinsky, M. R., Parry, S. M., Knight, L. D., Connolly, B. C., Baldwin, C. E., Puthucheary, Z. A., Denehy, L., Hart, N., Morris, P. E., Mortimore, J., Granger, C. L., Jensen, H. I., Piers, R., Van den Bulcke, B., Malmgren, J., Metaxa, V., Reyners, A. K., Darmon, M., Rusinova, K., Talmor, D., Meert, A. P., Cancelliere, L., Zubek, L., Maia, P., Michalsen, A., Decruyenaere, J., Kompanje, E., Vanheule, S., Azoulay, E., Vansteelandt, S., Benoit, D., Van den Bulcke, B., Piers, R., Jensen, H. I., Malmgren, J., Metaxa, V., Reyners, A. K., Darmon, M., Rusinova, K., Talmor, D., Meert, A. P., Cancelliere, L., Zubek, L., Maia, P., Michalsen, A., Decruyenaere, J., Kompanje, E., Vanheule, S., Azoulay, E., Vansteelandt, S., Benoit, D., Ryan, C., Dawson, D., Ball, J., Noone, K., Aisling, B., Prudden, S., Ntantana, A., Matamis, D., Savvidou, S., Giannakou, M., Gouva, M., Nakos, G., Koulouras, V., Aron, J., Lumley, G., Milliken, D., Dhadwal, K., McGrath, B. A., Lynch, S. J., Bovento, B., Sharpe, G., Grainger, E., Pieri-Davies, S., Wallace, S., McGrath, B., Lynch, S. J., Bovento, B., Grainger, E., Pieri-Davies, S., Sharpe, G., Wallace, S., Jung, M., Cho, J., Park, H., Suh, G., Kousha, O., Paddle, J., Gripenberg, L. Gamrin, Rehal, M. Sundström, Wernerman, J., Rooyackers, O., de Grooth, H. J., Choo, W. P., Spoelstra-de Man, A. M., Swart, E. L., Oudemans-van Straaten, H. M., Talan, L., Güven, G., Altıntas, N. D., Padar, M., Uusvel, G., Starkopf, L., Starkopf, J., Blaser, A. Reintam, Kalaiselvan, M. S., Arunkumar, A. S., Renuka, M. K., Shivkumar, R. L., Volbeda, M., ten Kate, D., Hoekstra, M., van der Maaten, J. M., Nijsten, M. W., Komaromi, A., Rooyackers, O., Wernerman, J., Norberg, Å., Smedberg, M., Mori, M., Pettersson, L., Norberg, Å., Rooyackers, O., Wernerman, J., Theodorakopoulou, M., Christodoulopoulou, T., Diamantakis, A., Frantzeskaki, F., Kontogiorgi, M., Chrysanthopoulou, E., Lygnos, M., Diakaki, C., Armaganidis, A., Gundogan, K., Dogan, E., Coskun, R., Muhtaroglu, S., Sungur, M., Ziegler, T., Guven, M., Kleyman, A., Khaliq, W., Andreas, D., Singer, M., Meierhans, R., Schuepbach, R., De Brito-Ashurst, I., Zand, F., Sabetian, G., Nikandish, R., Hagar, F., Masjedi, M., Maghsudi, B., Vazin, A., Ghorbani, M., Asadpour, E., Kao, K. C., Chiu, L. C., Hung, C. Y., Chang, C. H., Li, S. H., Hu, H. C., El Maraghi, S., Ali, M., Rageb, D., Helmy, M., Marin-Corral, J., Vilà, C., Masclans, J. R., Vàzquez, A., Martín-Loeches, I., Díaz, E., Yébenes, J. C., Rodriguez, A., Álvarez-Lerma, F., Varga, N., Cortina-Gutiérrez, A., Dono, L., Martínez-Martínez, M., Maldonado, C., Papiol, E., Pérez-Carrasco, M., Ferrer, R., Nweze, K., Morton, B., Welters, I., Houard, M., Voisin, B., Ledoux, G., Six, S., Jaillette, E., Nseir, S., Romdhani, S., Bouneb, R., Loghmari, D., Aicha, N. Ben, Ayachi, J., Meddeb, K., Chouchène, I., Khedher, A., Boussarsar, M., Chan, K. S., Yu, W. L., Marin-Corral, J., Vilà, C., Masclans, J. R., Nolla, J., Vidaur, L., Bonastre, J., Suberbiola, B., Guerrero, J. E., Rodriguez, A., Coll, N. Ramon, Jiménez, G. Jiménez, Brugger, S. Carvalho, Calero, J. Codina, Garrido, B. Balsera, García, M., Martínez, M. Palomar, Vidal, M. Vallverdú, de la Torre, M. C., Vendrell, E., Palomera, E., Güell, E., Yébenes, J. C., Serra-Prat, M., Bermejo-Martín, J. F., Almirall, J., Tomas, E., Escoval, A., Froe, F., Pereira, M. H. Vitoria, Velez, N., Viegas, E., Filipe, E., Groves, C., Reay, M., Chiu, L. C., Hu, H. C., Hung, C. Y., Chang, C. H., Li, S. H., Kao, K. C., Ballin, A., Facchin, F., Sartori, G., Zarantonello, F., Campello, E., Radu, C. M., Rossi, S., Ori, C., Simioni, P., Umei, N., Shingo, I., Santos, A. C., Candeias, C., Moniz, I., Marçal, R., e Silva, Z. Costa, Ribeiro, J. M., Georger, J. F., Ponthus, J. P., Tchir, M., Amilien, V., Ayoub, M., Barsam, E., Martucci, G., Panarello, G., Tuzzolino, F., Capitanio, G., Ferrazza, V., Carollo, T., Giovanni, L., Arcadipane, A., Sánchez, M. López, González-Gay, M. A., Díaz, F. J. Llorca, López, M. I. Rubio, Zogheib, E., Villeret, L., Nader, J., Bernasinski, M., Besserve, P., Caus, T., Dupont, H., Morimont, P., Habran, S., Hubert, R., Desaive, T., Blaffart, F., Janssen, N., Guiot, J., Pironet, A., Dauby, P., Lambermont, B., Zarantonello, F., Ballin, A., Facchin, F., Sartori, G., Campello, E., Pettenuzzo, T., Citton, G., Rossi, S., Simioni, P., Ori, C., Kirakli, C., Ediboglu, O., Ataman, S., Yarici, M., Tuksavul, F., Keating, S., Gibson, A., Gilles, M., Dunn, M., Price, G., Young, N., Remeta, P., Bishop, P., Zamora, M. D. Fernández, Muñoz-Bono, J., Curiel-Balsera, E., Aguilar-Alonso, E., Hinojosa, R., Gordillo-Brenes, A., Arboleda-Sánchez, J. A., Skorniakov, I., Vikulova, D., Whiteley, C., Shaikh, O., Jones, A., Ostermann, M., Forni, L., Scott, M., Sahatjian, J., Linde-Zwirble, W., Hansell, D., Laoveeravat, P., Srisawat, N., Kongwibulwut, M., Peerapornrattana, S., Suwachittanont, N., Wirotwan, T. O., Chatkaew, P., Saeyub, P., Latthaprecha, K., Tiranathanagul, K., Eiam-ong, S., Kellum, J. A., Berthelsen, R. E., Perner, A., Jensen, A. E. K., Jensen, J. U., Bestle, M. H., Gebhard, D. J., Price, J., Kennedy, C. E., Akcan-Arikan, A., Liberatore, A. M. A., Souza, R. B., Martins, A. M. C. R. P. F., Vieira, J. C. F., Kang, Y. R., Nakamae, M. N., Koh, I. H. J., Hamed, K., Khaled, M. M., Soliman, R. Aly, Mokhtar, M. Sherif, Seller-Pérez, G., Arias-Verdú, D., Llopar-Valdor, E., De-Diós-Chacón, I., Quesada-García, G., Herrera-Gutierrez, M. E., Hafes, R., Carroll, G., Doherty, P., Wright, C., Vera, I. G. Guerra, Ralston, M., Gemmell, M. L., MacKay, A., Black, E., Wright, C., Docking, R. I., Appleton, R., Ralston, M. R., Gemmell, L., Appleton, R., Wright, C., Docking, R. I., Black, E., Mackay, A., Rozemeijer, S., Mulier, J. L. G. Haitsma, Röttgering, J. G., Elbers, P. W. G., Spoelstra-de Man, A. M. E., Tuinman, P. R., de Waard, M. C., Oudemans-van Straaten, H. M., Mejeni, N., Nsiala, J., Kilembe, A., Akilimali, P., Thomas, G., Egerod, I., Andersson, A. E., Fagerdahl, A. M., Knudsen, V., Meddeb, K., Cheikh, A. Ben, Hamdaoui, Y., Ayachi, J., Guiga, A., Fraj, N., Romdhani, S., Sma, N., Bouneb, R., Chouchene, I., Khedher, A., Bouafia, N., Boussarsar, M., Amirian, A., Ziaian, B., Masjedi, M., Fleischmann, C., Thomas-Rueddel, D. O., Schettler, A., Schwarzkopf, D., Stacke, A., Reinhart, K., Filipe, E., Escoval, A., Martins, A., Sousa, P., Velez, N., Viegas, E., Tomas, E., Snell, G., Matsa, R., Paary, T. T. S., Kalaiselvan, M. S., Cavalheiro, A. M., Rocha, L. L., Vallone, C. S., Tonilo, A., Lobato, M. D. S., Malheiro, D. T., Sussumo, G., Lucino, N. M., Zand, F., Rosenthal, V. D., Masjedi, M., Sabetian, G., Maghsudi, B., Ghorbani, M., Dashti, A. Sanaei, Yousefipour, A., Goodall, J. R., Williamson, M., Tant, E., Thomas, N., Balci, C., Gonen, C., Haftacı, E., Gurarda, H., Karaca, E., Paldusová, B., Zýková, I., Šímová, D., Houston, S., D’Antona, L., Lloyd, J., Garnelo-Rey, V., Sosic, M., Sotosek-Tokmazic, V., Kuharic, J., Antoncic, I., Dunatov, S., Sustic, A., Chong, C. T., Sim, M., Lyovarin, T., Díaz, F. M. Acosta, Galdó, S. Narbona, Garach, M. Muñoz, Romero, O. Moreno, Bailón, A. M. Pérez, Pinel, A. Carranza, Colmenero, M., Gritsan, A., Gazenkampf, A., Korchagin, E., Dovbish, N., Lee, R. M., Lim, M. P. P., Chong, C. T., Lim, B. C. L., See, J. J., Assis, R., Filipe, F., Lopes, N., Pessoa, L., Pereira, T., Catorze, N., Aydogan, M. S., Aldasoro, C., Marchio, P., Jorda, A., Mauricio, M. D., Guerra-Ojeda, S., Gimeno-Raga, M., Colque-Cano, M., Bertomeu-Artecero, A., Aldasoro, M., Valles, S. L., Tonon, D., Triglia, T., Martin, J. C., Alessi, M. C., Bruder, N., Garrigue, P., Velly, L., Spina, S., Scaravilli, V., Marzorati, C., Colombo, E., Savo, D., Vargiolu, A., Cavenaghi, G., Citerio, G., Andrade, A. H. V., Bulgarelli, P., Araujo, J. A. P., Gonzalez, V., Souza, V. A., Costa, A., Massant, C., Filho, C. A. C. Abreu, Morbeck, R. A., Burgo, L. E., van Groenendael, R., van Eijk, L. T., Leijte, G. P., Koeneman, B., Kox, M., Pickkers, P., García-de la Torre, A., de la Torre-Prados, M., Fernández-Porcel, A., Rueda-Molina, C., Nuevo-Ortega, P., Tsvetanova-Spasova, T., Cámara-Sola, E., García-Alcántara, A., Salido-Díaz, L., Liao, X., Feng, T., Zhang, J., Cao, X., Wu, Q., Xie, Z., Li, H., Kang, Y., Winkler, M. S., Nierhaus, A., Mudersbach, E., Bauer, A., Robbe, L., Zahrte, C., Schwedhelm, E., Kluge, S., Zöllner, C., Morton, B., Mitsi, E., Pennington, S. H., Reine, J., Wright, A. D., Parker, R., Welters, I. D., Blakey, J. D., Rajam, G., Ades, E. W., Ferreira, D. M., Wang, D., Kadioglu, A., Gordon, S. B., Koch, R., Kox, M., Rahamat-Langedoen, J., Schloesser, J., de Jonge, M., Pickkers, P., Bringue, J., Guillamat-Prats, R., Torrents, E., Martinez, M. L., Camprubí-Rimblas, M., Artigas, A., Blanch, L., Park, S. Y., Park, Y. B., Song, D. K., Shrestha, S., Park, S. H., Koh, Y., Park, M. J., Hong, C. W., Lesur, O., Coquerel, D., Sainsily, X., Cote, J., Söllradl, T., Murza, A., Dumont, L., Dumaine, R., Grandbois, M., Sarret, P., Marsault, E., Salvail, D., Auger-Messier, M., Chagnon, F., Lauretta, M. P., Greco, E., Dyson, A., Singer, M., Preau, S., Ambler, M., Sigurta, A., Saeed, S., Singer, M., Sarıca, L. Topcu, Zibandeh, N., Genc, D., Gul, F., Akkoc, T., Kombak, E., Cinel, L., Akkoc, T., Cinel, I., Pollen, S. J., Arulkumaran, N., Singer, M., Torrance, H. D., Longbottom, E. R., Warnes, G., Hinds, C. J., Pennington, D. J., Brohi, K., O’Dwyer, M. J., Kim, H. Y., Na, S., Kim, J., Chang, Y. F., Chao, A., Shih, P. Y., Lee, C. T., Yeh, Y. C., Chen, L. W., Adriaanse, M., Trogrlic, Z., Ista, E., Lingsma, H., Rietdijk, W., Ponssen, H. H., Schoonderbeek, J. F., Schreiner, F., Verbrugge, S. J., Duran, S., Gommers, D. A. M. P. J., van der Jagt, M., Funcke, S., Sauerlaender, S., Saugel, B., Pinnschmidt, H., Reuter, D. A., Nitzschke, R., Perbet, S., Biboulet, C., Lenoire, A., Bourdeaux, D., Pereira, B., Plaud, B., Bazin, J. E., Sautou, V., Mebazaa, A., Constantin, J. M., Legrand, M., Boyko, Y., Jennum, P., Nikolic, M., Oerding, H., Holst, R., Toft, P., Nedergaard, H. K., Haberlandt, T., Jensen, H. I., Toft, P., Park, S., Kim, S., Cho, Y. J., Lim, Y. J., Chan, A., Tang, S., Nunes, S. L., Forsberg, S., Blomqvist, H., Berggren, L., Sörberg, M., Sarapohja, T., Wickerts, C. J., Hofhuis, J. G. M., Rose, L., Blackwood, B., Akerman, E., Mcgaughey, J., Egerod, I., Fossum, M., Foss, H., Georgiou, E., Graff, H. J., Kalafati, M., Sperlinga, R., Schafer, A., Wojnicka, A. G., Spronk, P. 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R., Parenti, N., Agrusta, F., Palazzi, C., Pifferi, B., Sganzerla, R., Tagliazucchi, F., Luciani, A., Möller, M., Müller-Engelmann, J., Montag, G., Adams, P., Lange, C., Neuzner, J., Gradaus, R., Wodack, K. H., Thürk, F., Waldmann, A. D., Grässler, M. F., Nishimoto, S., Böhm, S. H., Kaniusas, E., Reuter, D. A., Trepte, C. J., Sigmundsson, T., Öhman, T., Redondo, E., Hallbäck, M., Wallin, M., Sipman, F. Suarez, Oldner, A., Sander, C. Hällsjö, Björne, H., Colinas, L., Hernandez, G., Vicho, R., Serna, M., Cuena, R., Canabal, A., Chaari, A., Hakim, K. Abdel, Etman, M., El Bahr, M., El Sakka, A., Bousselmi, K., Arali, A., Kauts, V., Casey, W. F., Bond, O., De Santis, P., Iesu, E., Franchi, F., Vincent, J. L., Creteur, J., Scolletta, S., Taccone, F. S., Marutyan, Z., Hamidova, L., Shakotko, A., Movsisyan, V., Uysupova, I., Evdokimov, A., Petrikov, S., Gonen, C., Haftacı, E., Balci, C., Calvo, F. J. Redondo, Bejarano, N., Baladron, V., Villazala, R., Redondo, J., Padilla, D., Villarejo, P., Akcan-Arikan, A., Kennedy, C. E., Arzapalo, M. F. Aguilar, Gomez-Gonzalez, C., Mas-Font, S., Puppo-Moreno, A., Herrera-Gutierrez, M., Garcia-Garcia, M., Aldunate-Calvo, S., Plata-Menchaca, E. P., Pérez-Fernández, X. L., Estruch, M., Betbese-Roig, A., Campos, P. Cárdenas, Lora, M. Rojas, Gaibor, N. D. Toapanta, Medina, R. S. Contreras, Sanguino, V. D. Gumucio, Casanova, E. J., Riera, J. Sabater, Kritmetapak, K., Peerapornratana, S., Kittiskulnam, P., Dissayabutra, T., Tiranathanagul, K., Susantithapong, P., Praditpornsilpa, K., Tungsanga, K., Eiam-Ong, S., Srisawat, N., Winkelmann, T., Busch, T., Meixensberger, J., Bercker, S., Cabeza, E. M. Flores, Sánchez, M. Sánchez, Giménez, N. Cáceres, Melón, C. Gutierrez, de Lucas, E. Herrero, Estañ, P. Millán, Bernal, M. Hernández, de Lorenzo y Mateos, A. Garcia, Ergin, B., Guerci, P., Specht, P. A. C., Ince, Y., Ince, C., Balik, M., Zakharchenko, M., Los, F., Brodska, H., de Tymowski, C., Augustin, P., Desmard, M., Montravers, P., Stapel, S. N., de Boer, R., Oudemans, H. M., Hollinger, A., Schweingruber, T., Jockers, F., Dickenmann, M., Siegemund, M., Runciman, N., Ralston, M., Appleton, R., Mauri, T., Alban, L., Turrini, C., Sasso, T., Langer, T., Panigada, M., Taccone, P., Carlesso, E., Marenghi, C., Grasselli, G., Pesenti, A., Wibart, P., Reginault, T., Garcia, M., Barbrel, B., Benard, A., Bader, C., Vargas, F., Bui, H. N., Hilbert, G., Simón, J. M. Serrano, Sánchez, P. Carmona, Ferrón, F. Ruiz, de Acilu, M. García, Marin, J., Antonia, V., Ruano, L., Monica, M., Ferrer, R., Masclans, J. R., Roca, O., Hong, G., Kim, D. H., Kim, Y. S., Park, J. S., Jee, Y. K., xiang, Z. Yu, Jia-xing, W., dan, W. Xiao, long, N. Wen, Yu, W., Yan, Z., Cheng, X., Kobayashi, T., Onodera, Y., Akimoto, R., Sugiura, A., Suzuki, H., Iwabuchi, M., Nakane, M., Kawamae, K., Sanchez, P. Carmona, Rodriguez, M. D. Bautista, Delgado, M. Rodriguez, Sánchez, V. Martínez de Pinillos, Gómez, A. Mula, Simón, J. M. Serrano, Beuret, P., Fortes, C., Lauer, M., Reboul, M., Chakarian, J. C., Fabre, X., Philippon-Jouve, B., Devillez, S., Clerc, M., Rittayamai, N., Sklar, M., Dres, M., Rauseo, M., Campbell, C., West, B., Tullis, D. E., Brochard, L., Onodera, Y., Akimoto, R., Suzuki, H., Okada, M., Nakane, M., Kawamae, K., Ahmad, N., Wood, M., Glossop, A., Lucas, J. Higuera, Ortiz, A. Blandino, Alonso, D. Cabestrero, De Pablo Sánchez, R., González, L. Rey, Costa, R., Spinazzola, G., Pizza, A., Ferrone, G., Rossi, M., Antonelli, M., Conti, G., Ribeiro, H., Alves, J., Sousa, M., Reis, P., Socolovsky, C. S., Cauley, R. P., Frankel, J. E., Beam, A. L., Olaniran, K. O., Gibbons, F. K., Christopher, K. B., Pennington, J., Zolfaghari, P., King, H. S., Kong, H. H. Y., Shum, H. P., Yan, W. W., Kaymak, C., Okumus, N., Sari, A., Erdogdu, B., Aksun, S., Basar, H., Ozcan, A., Ozcan, N., Oztuna, D., Malmgren, J. A., Lundin, S., Torén, K., Eckerström, M., Wallin, A., Waldenström, A. C., Riccio, F. C., Pogson, D., Antonio, A. C. P., Leivas, A. F., Kenji, F., James, E., Morgan, P., Carroll, G., Gemmell, L., MacKay, A., Wright, C., Ballantyne, J., Jonnada, S., Gerrard, C. S., Jones, N., Salciccioli, J. D., Marshall, D. C., Komorowski, M., Hartley, A., Sykes, M. C., Goodson, R., Shalhoub, J., Villanueva, J. R. Fernández, Garda, R. Fernández, Lago, A. M. López, Ruiz, E. Rodríguez, Vaquero, R. Hernández, Rodríguez, C. Galbán, Pérez, E. Varo, Hilasque, C., Oliva, I., Sirgo, G., Martin, M. C., Olona, M., Gilavert, M. C., Bodí, M., Ebm, C., Aggarwal, G., Huddart, S., Quiney, N., Cecconi, M., Fernandes, S. M., Silva, J. Santos, Gouveia, J., Silva, D., Marques, R., Bento, H., Alvarez, A., Silva, Z. Costa, Diaz, D. Díaz, Martínez, M. Villanova, Herrejon, E. Palencia, de la Gandara, A. Martinez, Gonzalo, G., Lopez, M. A., de Gopegui Miguelena, P. Ruíz, Matilla, C. I. Bernal, Chueca, P. Sánchez, Longares, M. D. C. Rodríguez, Abril, R. Ramos, Aguilar, A. L. Ruíz, de Murillas, R. Garrido López, Fernández, R. Fernández, Laborías, P. Morales, Castellanos, M. A. Díaz, Laborías, M. E. Morales, Cho, J., Kim, J., Park, J., Woo, S., West, T., Powell, E., Rimmer, A., Orford, C., Jones, N., Williams, J., Matilla, C. I. Bernal, de Gopegui Miguelena, P. Ruiz, Chueca, P. Sánchez, Abril, R. Ramos, Longares, M. D. C. Rodríguez, Aguilar, A. L. Ruíz, de Murillas, R. Garrido López, Bourne, R. S., Shulman, R., Tomlin, M., Mills, G. H., Borthwick, M., Berry, W., Huertas, D. García, Manzano, F., Villagrán-Ramírez, F., Ruiz-Perea, A., Rodríguez-Mejías, C., Santiago-Ruiz, F., Colmenero-Ruiz, M., König, C., Matt, B., Kortgen, A., Hartog, C. S., Wong, A., Balan, C., Barker, G., Srisawat, N., Peerapornratana, S., Laoveeravat, P., Tachaboon, S., Eiam-ong, S., Paratz, J., Kayambu, G., Boots, R., Arzapalo, M. F. Aguilar, Vlasenko, R., Gromova, E., Loginov, S., Kiselevskiy, M., Dolgikova, Y., Tang, K. B., Chau, C. M., Lam, K. N., Gil, E., Suh, G. Y., Park, C. M., Park, J., Chung, C. R., Lee, C. T., Chao, A., Shih, P. Y., Chang, Y. F., Lai, C. H., Hsu, Y. C., Yeh, Y. C., Cheng, Y. J., Colella, V., Zarrillo, N., D’Amico, M., Forfori, F., Pezza, B., Laddomada, T., Beltramelli, V., Pizzaballa, M. L., Doronzio, A., Balicco, B., Kiers, D., van der Heijden, W., Gerretsen, J., de Mast, Q., el Messaoudi, S., Rongen, G., Gomes, M., Kox, M., Pickkers, P., Riksen, N. P., Kashiwagi, Y., Okada, M., Hayashi, K., Inagaki, Y., Fujita, S., Nakamae, M. N., Kang, Y. R., Souza, R. B., Liberatore, A. M. A., Koh, I. H. J., Blet, A., Sadoune, M., Lemarié, J., Bihry, N., Bern, R., Polidano, E., Merval, R., Launay, J. M., Lévy, B., Samuel, J. L., Mebazaa, A., Hartmann, J., Harm, S., and Weber, V.

Published
2016
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11. Phenotypic variability and disparities in treatment and outcomes of childhood arthritis throughout the world: an observational cohort study

Author

Consolaro, A, Giancane, G, Alongi, A, van Dijkhuizen, Ehp, Aggarwal, A, Al-Mayouf, Sm, Bovis, F, De Inocencio, J, Demirkaya, E, Flato, B, Foell, D, Garay, Sm, Lazăr, C, Lovell, Dj, Montobbio, C, Miettunen, P, Mihaylova, D, Nielsen, S, Orban, I, Rumba-Rozenfelde, I, Magalhães, C, Shafaie, N, Susic, G, Trachana, M, Wulffraat, N, Pistorio, A, Martini, A, Ruperto, N, Ravelli, A &amp, Abdwani R, Aghighi, Y, Aiche, Mf, Ailioaie, C, Aktay Ayaz, N, Al-Abrawi, S, Alexeeva, E, Anton, J, Apostol, A, Arguedas, O, Avcin, T, Barone, P, Berntson, L, Boteanu, Al, Boyko, Y, Burgos-Vargas, R, Calvo Penades, I, Chédeville, G, Cimaz, R, Civino, A, Consolini, R, Constantin, T, Cuttica, R, Dallos, T, Martin, N, Magni-Manzoni, S, De Cunto, C, Dolezalova, P, Ekelund, M, El Miedany, Y, Espada, G, Estmann Christensen, A, Foeldvari, I, Gallizzi, R, Ganser, G, Gerloni, V, Haas, Jp, Harel, L, Harjacek, M, Hashad, S, Herlin, T, Herrera, C, Hofer, M, Holzinger, D, Horneff, G, Huppertz, Hi, Iagăru, N, Ibanez Estrella, A, Ioseliani, M, Joos, R, Knupp Oliveira, S, Kamphuis, S, Kasapcopur, O, Katsicas, Mm, Khubchandani, R, Kondi, A, Kröger, L, La Torre, F, Laday, M, Lahdenne, P, Maggio, Mc, Magnolia, Mg, Malagon, C, Malin, M, Martino, S, Melo-Gomes, Ja, Mesa-Del-Castillo, P, Militaru, A, Minden, K, Miniaci, A, Moradinejad, Mh, Morel Ayala, Z, Nikishina, I, Norambuena, X, Nordal, Eb, Pagava, K, Panaviene, V, Pastore, S, Pieropan, S, Podda, Ra, Pruunsild, C, Putto-Laurila, A, Quartier, P, Remesal, A, Rigante, Donato, Ringold, S, Rutkowska-Sak, L, Rygg, M, Saurenmann, Rk, Sawhney, S, Scott, C, Shiari, R, Smolewska, E, Sozeri, B, Swart, Jf, Sztajnbok, F, Torcoletti, M, Tsitsami, E, Tzaribachev, N, Unsal, E, Uziel, Y, Vähäsalo, P, Varbanova, B, Vargova, V, Vesely, R, Vijatov-Djuric, G, Vilaiyuk, S, Vojinovic, J, Vougiouka, O, Weiss, P, Wouters, C, Rigante D (ORCID:0000-0001-7032-7779), Consolaro, A, Giancane, G, Alongi, A, van Dijkhuizen, Ehp, Aggarwal, A, Al-Mayouf, Sm, Bovis, F, De Inocencio, J, Demirkaya, E, Flato, B, Foell, D, Garay, Sm, Lazăr, C, Lovell, Dj, Montobbio, C, Miettunen, P, Mihaylova, D, Nielsen, S, Orban, I, Rumba-Rozenfelde, I, Magalhães, C, Shafaie, N, Susic, G, Trachana, M, Wulffraat, N, Pistorio, A, Martini, A, Ruperto, N, Ravelli, A &amp, Abdwani R, Aghighi, Y, Aiche, Mf, Ailioaie, C, Aktay Ayaz, N, Al-Abrawi, S, Alexeeva, E, Anton, J, Apostol, A, Arguedas, O, Avcin, T, Barone, P, Berntson, L, Boteanu, Al, Boyko, Y, Burgos-Vargas, R, Calvo Penades, I, Chédeville, G, Cimaz, R, Civino, A, Consolini, R, Constantin, T, Cuttica, R, Dallos, T, Martin, N, Magni-Manzoni, S, De Cunto, C, Dolezalova, P, Ekelund, M, El Miedany, Y, Espada, G, Estmann Christensen, A, Foeldvari, I, Gallizzi, R, Ganser, G, Gerloni, V, Haas, Jp, Harel, L, Harjacek, M, Hashad, S, Herlin, T, Herrera, C, Hofer, M, Holzinger, D, Horneff, G, Huppertz, Hi, Iagăru, N, Ibanez Estrella, A, Ioseliani, M, Joos, R, Knupp Oliveira, S, Kamphuis, S, Kasapcopur, O, Katsicas, Mm, Khubchandani, R, Kondi, A, Kröger, L, La Torre, F, Laday, M, Lahdenne, P, Maggio, Mc, Magnolia, Mg, Malagon, C, Malin, M, Martino, S, Melo-Gomes, Ja, Mesa-Del-Castillo, P, Militaru, A, Minden, K, Miniaci, A, Moradinejad, Mh, Morel Ayala, Z, Nikishina, I, Norambuena, X, Nordal, Eb, Pagava, K, Panaviene, V, Pastore, S, Pieropan, S, Podda, Ra, Pruunsild, C, Putto-Laurila, A, Quartier, P, Remesal, A, Rigante, Donato, Ringold, S, Rutkowska-Sak, L, Rygg, M, Saurenmann, Rk, Sawhney, S, Scott, C, Shiari, R, Smolewska, E, Sozeri, B, Swart, Jf, Sztajnbok, F, Torcoletti, M, Tsitsami, E, Tzaribachev, N, Unsal, E, Uziel, Y, Vähäsalo, P, Varbanova, B, Vargova, V, Vesely, R, Vijatov-Djuric, G, Vilaiyuk, S, Vojinovic, J, Vougiouka, O, Weiss, P, Wouters, C, and Rigante D (ORCID:0000-0001-7032-7779)

Abstract

BACKGROUND: To our knowledge, the characteristics and burden of childhood arthritis have never been studied on a worldwide basis. We aimed to investigate, with a cross-sectional study, the prevalence of disease categories, treatment methods, and disease status in patients from across different geographical areas and from countries with diverse wealth status. METHODS: In this multinational, cross-sectional, observational cohort study, we asked international paediatric rheumatologists from specialised centres to enrol children with a diagnosis of juvenile idiopathic arthritis, according to International League of Associations for Rheumatology criteria, who were seen consecutively for a period of 6 months. Each patient underwent retrospective and cross-sectional assessments, including measures of disease activity and damage and questionnaires on the wellbeing and quality of life of the children. We qualitatively compared the collected data across eight geographical areas, and we explored an association between disease activity and damage and a country's gross domestic product (GDP) with a multiple logistic regression analysis. FINDINGS: Between April 4, 2011, and Nov 21, 2016, 9081 patients were enrolled at 130 centres in 49 countries, grouped into eight geographical areas. Systemic arthritis (125 [33·0%] of 379 patients) and enthesitis-related arthritis (113 [29·8%] of 379) were more common in southeast Asia, whereas oligoarthritis was more prevalent in southern Europe (1360 [56·7%] of 2400) and rheumatoid factor-negative polyarthritis was more frequent in North America (165 [31·5%] of 523) than in the other areas. Prevalence of uveitis was highest in northern Europe (161 [19·1%] of 845 patients) and southern Europe (450 [18·8%] of 2400) and lowest in Latin America (54 [6·4%] of 849), Africa and Middle East (71 [5·9%] of 1209), and southeast Asia (19 [5·0%] of 379). Median age at disease onset was lower in southern Europe (3·5 years, IQR 1·9-7·3) than in other regions

Published
2019

12. Challenges in achieving consensus for vaccination with live attenuated vaccines in children with rheumatological disease – the variability of vaccination practices across the globe

Author

Toplak, Nataša, Uziel, Y, Khubchandani, R, Abinun, M, Atsali, E, Bolt, I, Boros, C, Boyko, Y, Calzada- Hernandez, J, Dallos, T, Fingerhutova, S, Gattorno, M, Hentgen, V, Lamot, Lovro, Makay, B, Minden, K, Opoka- Winiarska, V, Orban, I, Pileggi, G, Pruunsild, C, Rusoniene, S, Rygg, M, Scegolevs, A, Vojinović, J, and Wulffraat, N

Subjects
Vaccination, rheumatological diseases
Abstract

Introduction: Due to the paucity of randomised controlled studies concerning vaccination in children with rheumatic diseases, the level of evidence for recommendations for vaccinations in these children is low. Booster doses of live attenuated vaccines might be considered in children with rheumatic diseases treated with immunosuppressive therapy, but data from multicentre studies are lacking. Moreover, national vaccination programs, parental obligation to vaccinate their children and vaccine coverage rates vary greatly among countries. Objectives: To highlight differences in the current national vaccination policies, and to develop a platform for future multicentre initiatives for uniform vaccination practices for children with rheumatic diseases treated with immunosuppressive drugs. Methods: The PReS Vaccination working group was formed during the 2017 PReS meeting in Athens. Paediatric rheumatologists from 34 countries were invited to participate. Results: Data were collected from 25 countries who responded. Vaccinations are mandatory in 12/21 European countries (Croatia, Czech Republic, France, Greece, Hungary, Italy, Latvia, Poland, Serbia, Slovakia, Slovenia, Ukraine). The vaccination schedules and coverage differ among countries. The first MMR vaccine is recommended at 11-15 months- of-age in all countries and most recommend the second dose before 2 years-of-age or at 6 years ; however in Spain it is at 2-4 years, in the UK at 3-5 years, and in Hungary, The Netherlands, Estonia, Norway, Poland and Slovakia at the age of 9 years or later. Mandatory programs, as compared to optional vaccination, do not always ensure higher coverage. For example, in Australia, Israel, The Netherlands and Norway where vaccinations are optional, the vaccination rate is high, at around 95%. However, coverage for MMR fell below 95% in Croatia, Czech Republic, Serbia and Slovenia, where vaccination is mandatory. Vaccinations were optional in France and Italy ; however, due to low coverage, they are now mandatory. Conclusion: There are considerable differences amongst countries in vaccination programmes, coverage, and in parental obligation to vaccinate their child. A powerful anti-vaccine campaign has gained momentum in many countries and has resulted in a significant drop in vaccination coverage to a level that is no longer sufficient for herd immunity. This is especially dangerous for children with rheumatic diseases on immunosuppressive therapy. Our future goals are to prospectively examine the outcomes of live vaccination in children with rheumatic diseases who are treated with immunosuppressive drugs and hopefully to demonstrate that booster doses of live attenuated vaccines are safe and protective.

Published
2018

13. The kinetics of phase formation in an ultra-thin nanoscale layer

Author

Apalkov, V. M., Boyko, Y. I., and Slezov, V. V.

Abstract

The peculiarities of the kinetics of phase formation in an ultra-thin (≈ 10 nm) crystalline layer, which is formed from two components on the surface of a substrate, have been studied theoretically. It has been shown that by varying the conditions during the growth of the layer (the temperature, the vapour pressure, the type of substrate) it is possible to control the phase composition of the layer.

Published
2022
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14. INFLUENCE LIQUID CRYSTAL SYSTEMS OF CHOLESTEROL ESTERS ON PENETRATION AND MOLECULAR PROPERTIES STRATUM CORNEUM OF SCIN IN VITRO

Author

Boyko, Y. A., Kravchenko, I. A., and Novikova, N. S.

Subjects
lcsh:Chemistry, integumentary system, lcsh:QD1-999, stratum corneum, cholesterol esters, penetration, роговий шар, ефіри, холестерин, проникність, хімія, chemistry
Abstract

Були досліджені механізми впливу рідкокристалічних систем ефірів холестерину на проникність шкіри. Показано вплив рідкокристалічних систем у складі трансдермальних терапевтичних систем (ТТС) на проникність шкіри для феназепаму. Конформаційні зміни ліпідів рогового шару, які виникають під впливом рідкокристалічних систем, були досліджені за допомогою інфрачервоної спектроскопії. Нашими дослідженями показано, що рідкокристалічні системи ефірів холестерину можуть бути ефективними підсилювачами крізьшкірної проникності., The influence of liquid crystal system of cholesterol esters on non polar compound permeation in skin was investigated to further understand esters-enhanced permeation mechanism. Investigation studied the effect of liquid crystal system of cholesterol esters on the in vitro permeation of phenazepam from transdermal delivery system across skin. Changes in the amount and conformation of stratum corneum lipids were determined by Fourier transform infrared spectroscopy. Our findings demonstrate that liquid crystal systems of cholesterol esters can be effective enhancer transdermal delivery.

Published
2015

19. Modification of Monitoring the Education Quality by Implementing Information System

Author

Boyko, Y.

Subjects
якість освіти, качество образования, процес моніторингу, інформаційна система, information system, ComputingMilieux_COMPUTERSANDEDUCATION, процесс мониторинга, education quality, monitoring process, информационная система
Abstract

Since the moment at SSU is no system that allowed to collect the views of students in the learning process there was a need for a monitoring system to ensure the quality of the learning process. The system is implemented as a web application. Represents an online questionnaire, which allows students to assess the quality of the educational process and competence of teachers. The system will make a detailed analysis of the results and receive data in a convenient representation. The system has three levels of access: administrator, student representative of the department, which delineates the interoperability of the system. The monitoring system will facilitate the provision of quality education at Sumy State University.

Published
2016

22. High performance IT-infrastructure management

Author

Boyko, Y. V., Glybovets, N. N., Yershov, S. V., Kryvyi, S. L., Pogorilyy, S. D., Rolik, O. І., Telenyk, S. F., and Yasochka, M. V.

Abstract

Наведений аналітичний огляд сучасних моделей і методів управління ІТ-інфраструктурою. Моделі і методи згруповані у відповідності з визнаними ІТ-галуззю 15 групами функцій управління. Основна увага приділяється концептуальним основам управління такими складними ієрархічними розподіленими об’єктами управління, які сьогодні становлять глобальні, національні і корпоративні ІТ-інфраструктури. Найбільш широко представлені моделі розподілу ресурсів і навантаження та управління рівнем обслуговування користувачів. An analytical survey of the modern IT-infrastructure management models and methods is presented. This models and methods are grouped in accordance with approved by IT-community15 groups of management functions. The main attention is given to management basics of global, national and corporative IT-infrastructures - complex hierarchical distributed object of management. The models of resources and load allocation and users services level management are widely presented.

Published
2014

23. CHANGING THE QUALITY OF GROUND MEAT FOR SAUSAGE PRODUCTS IN THE PROCESS OF GRINDING.

Author

Sukhenko, Y., Sukhenko, V., Mushtruk, M., Vasuliv, V., and Boyko, Y.

Subjects
GROUND meat, SAUSAGES, MEAT quality
Abstract

Copyright of Eastern-European Journal of Enterprise Technologies is the property of PC TECHNOLOGY CENTER and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Published
2017
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34. Cardiac surgery-Associated acute kidney injury - A narrative review.

Author

Rasmussen SB, Boyko Y, Ranucci M, de Somer F, and Ravn HB

Subjects
Humans, Risk Factors, Cardiopulmonary Bypass adverse effects, Cardiopulmonary Bypass methods, Acute Kidney Injury etiology, Acute Kidney Injury physiopathology, Acute Kidney Injury diagnosis, Cardiac Surgical Procedures adverse effects, Cardiac Surgical Procedures methods
Abstract

Cardiac Surgery-Associated Acute Kidney Injury (CSA-AKI) is a serious complication seen in approximately 20-30% of cardiac surgery patients. The underlying pathophysiology is complex, often involving both patient- and procedure related risk factors. In contrast to AKI occurring after other types of major surgery, the use of cardiopulmonary bypass comprises both additional advantages and challenges, including non-pulsatile flow, targeted blood flow and pressure as well as the ability to manipulate central venous pressure (congestion). With an increasing focus on the impact of CSA-AKI on both short and long-term mortality, early identification and management of high-risk patients for CSA-AKI has evolved. The present narrative review gives an up-to-date summary on definition, diagnosis, underlying pathophysiology, monitoring and implications of CSA-AKI, including potential preventive interventions. The review will provide the reader with an in-depth understanding of how to identify, support and provide a more personalized and tailored perioperative management to avoid development of CSA-AKI., Competing Interests: Declaration of conflicting interestsThe author(s) declared the following potential conflicts of interest with respect to the research, authorship, and/or publication of this article: MR is a consultant for Livanova and Medtronic. MR is the inventor of an algorithm based on CPB data and aimed to predict postoperative AKI. The remaining authors have no competing interest to declare.

Published
2024
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35. The HyperPed-COVID international registry: Impact of age of onset, disease presentation and geographical distribution on the final outcome of MIS-C.

Author

Caorsi R, Consolaro A, Speziani C, Sozeri B, Ulu K, Faugier-Fuentes E, Menchaca-Aguayo H, Ozen S, Sener S, Akhter Rahman S, Imnul Islam M, Haerynck F, Simonini G, Mastri MV, Avcin T, Sršen S, de Albuquerque Pedrosa Fernandes T, Stanevicha V, Vojinovic J, Sobh A, Fingerhutova S, Minxova L, Gagro A, Rodrigues Fonseca A, Pandya D, Varbanova B, Sánchez-Manubens J, Ganeva M, Montin D, Boyarchuk O, Minghini A, Bracaglia C, Brogan P, Candotti F, Cattalini M, Meyts I, Minoia F, Taddio A, Wouters C, De Benedetti F, Bovis F, Ravelli A, Ruperto N, Gattorno M, Bilginer Y, Laila K, Islam MM, Meertens B, Hoste L, Dehoorne J, Schelstraete P, Vandekerckhove K, Willems J, Matthijs I, Filocamo E Gisella Beatrice Beretta G, Magalhaes CS, Chubata O, Ricci F, Vukovic A, Temelkova K, Avramovic MZ, Emersic N, Bizjak M, Vesel T, Rodrigues MF, Gasparello de Almeida R, Lukjanovica K, Elnagdy MH, Soliman A, Terifajova E, Brejchova I, Magner M, Myrup C, Vougiouka O, Jelusic M, La Torre F, Rigante D, Maggio MC, Verdoni L, Rubio-Perez N, Cornejo GV, Villarreal Trevino AV, Brito I, Oliveira-Ramos F, Alexeeva E, Chasnyk V, Arkachaisri T, Boyko Y, Vyzhga Y, and Samsonenko S

Subjects
Humans, Child, Child, Preschool, Female, Male, Infant, Adolescent, Retrospective Studies, Europe epidemiology, Infant, Newborn, Registries, COVID-19 epidemiology, COVID-19 mortality, COVID-19 complications, Age of Onset, Systemic Inflammatory Response Syndrome epidemiology, Systemic Inflammatory Response Syndrome diagnosis, Systemic Inflammatory Response Syndrome therapy, SARS-CoV-2
Abstract

Objectives: The aim of the study was to establish an international multicenter registry to collect data on patients with Multisystem Inflammatory Syndrome in Children (MIS-C), in order to highlight a relationship between clinical presentation, age of onset and geographical distribution on the clinical outcome., Study Design: Multicenter retrospective study involving different international societies for rare immunological disorders.1009 patients diagnosed with MIS-C between March and September 2022, from 48 centers and 22 countries were collected. Five age groups (<1, 1-4, 5-11, 12-16, >16 years) and four geographic macro-areas, Western Europe, Central-Eastern Europe, Latin America, Asian-African resource-limited countries (LRC), were identified., Results: Time to referral was significantly higher in LRC. Intensive anti-inflammatory treatment, including biologics, respiratory support and mechanic ventilation were more frequently used in older children and in European countries. The mortality rate was higher in very young children (<1 year), in older patients (>16 years of age) and in LRC. Multivariate analysis identified the residence in LRC, presence of severe cardiac involvement, renal hypertension, lymphopenia and non-use of heparin prophylaxis, as the factors most strongly associated with unfavorable outcomes., Conclusions: The stratification of patients by age and geographic macro-area provided insights into the clinical presentation, treatment and outcome of MIS-C. The mortality and sequelae rates exhibited a correlation with the age and geographical areas. Patients admitted and treated in LRC displayed more severe outcomes, possibly due to delays in hospital admission and limited access to biologic drugs and to intensive care facilities., (Copyright © 2024 Elsevier Ltd. All rights reserved.)

Published
2024
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37. Determinants of Discordance Between Criteria for Inactive Disease and Low Disease Activity in Juvenile Idiopathic Arthritis.

Author

Giancane G, Campone C, Gicchino MF, Alongi A, Bava C, Rosina S, Boyko Y, Martin N, El Miedany Y, Harjacek M, Hashad S, Ioseliani M, Burgos-Vargas R, Joos R, Scott C, Manel M, Ayala ZM, Ekelund M, Al-Abrawi S, Aiche MF, Norambuena X, Melo-Gomes JA, Ruperto N, Consolaro A, and Ravelli A

Subjects
Child, Child, Preschool, Cross-Sectional Studies, Female, Humans, Infant, Male, Arthritis, Juvenile, Patient Acuity, Severity of Illness Index
Abstract

Objective: To assess concordance among criteria for inactive disease (ID) and low disease activity (LDA) in juvenile idiopathic arthritis (JIA) and to seek factors driving discordance., Methods: The frequency of fulfillment of existing criteria was evaluated in information on 10,186 patients extracted from 3 cross-sectional data sets. Patients were divided up according to the functional phenotypes of oligoarthritis and polyarthritis. Concordance between criteria was examined using weighted Venn diagrams. The role of each individual component in explaining discordance between criteria was assessed by calculating the absolute number and percentage of instances in which the component was responsible for discrepancy between definitions., Results: Criteria for ID were met by 28.6-41.1% of patients with oligoarthritis and by 24.0-33.4% of patients with polyarthritis. Criteria for LDA were met by 44.8-62.4% of patients with oligoarthritis and by 44.6-50.4% of patients with polyarthritis. There was a 57.9-62.3% overlap between criteria for ID and a 67.9-85% overlap between criteria for LDA. Parent and physician global assessments and acute-phase reactants were responsible for the majority of instances of discordance among criteria for ID (8.7-15.5%, 10.0-12.3%, and 10.8-17.3%, respectively)., Conclusion: We found fair concordance between criteria for ID and LDA in JIA, with the main drivers of discordance for ID being physician and parent global assessments and acute-phase reactants. This observation highlights the need for further studies aimed to evaluate the impact of subjective physician and parent perception of disease remission and of laboratory measures of inflammatory activity on the definition of ID., (© 2020, American College of Rheumatology.)

Published
2021
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38. Cross-sectional Evaluation of the Sarcopenia Quality of Life (SarQoL) Questionnaire: Translation and Validation of its Psychometric Properties.

Author

Dzhus M, Dzhus M, Masnyi M, Kulyk M, Mostbauer H, Ivashkivsky O, Boyko Y, Cherchenko K, Geerinck A, Reginster JY, Bruyere O, and Beaudart C

Abstract

Background: The SarQoL, a quality-of-life questionnaire specific to sarcopenia, was developed in 2015 and has since been translated into a number of other languages. The main reason to introduce this new Ukrainian version of the questionnaire was to measure sarcopenic individuals' perceptions regarding their positions in life in the context of their culture and value systems., Methods: The questionnaire was translated using a forward-backward approach with a pre-test. A total of 49 participants were recruited for the validation study. Sarcopenia was diagnosed according to the Ishii test. The validation analyses included discriminative power, internal consistency, floor and ceiling effects, construct validity, and test-retest reliability. We compared the SarQoL questionnaire to the Short-Form 36 and the EuroQoL-5 Dimensions., Results: A total of 28 participants out of 49 were categorized as probably sarcopenic. They had a significantly lower quality of life (overall score 58.43±17.13 vs. 69.89±13.31; p=0.014). The internal consistency was excellent (α=0.898), with none of the domains showing a disproportionate influence on the homogeneity of the questionnaire. Convergent construct validity was also confirmed. The results indicated a near-perfect degree of test-retest reliability., Conclusions: The first Ukrainian version of the questionnaire is equivalent to the available original English version., Competing Interests: CONFLICT OF INTEREST OB, JYR, and CB are shareholders of SarQoL sprl. The authors declare no conflict of interest. The study was conducted in the absence of any financial or other relationships that could be construed as a potential conflict of interest., (Copyright © 2020 Korean Geriatrics Society.)

Published
2020
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39. Blood calprotectin in children with juvenile idiopathic arthritis: relationship to flare development after discontinuation of treatment.

Author

Boyko Y, Ivanova V, Vakaruk M, Kozina T, Shevchenko N, Vaizer N, Synoverska O, Chubata O, Marchuk O, and Havrylyuk A

Abstract

Objectives: The study aim was to prospectively evaluate the relationship between disease flare development in children with juvenile idiopathic arthritis (JIA) after discontinuation of treatment and serum calprotectin levels (MRP8/14)., Material and Methods: Determination of blood serum level of calprotectin was performed in 54 patients with inactive JIA from various regions of Ukraine. The inclusion criterion was the existence of an inactive state of the disease in children with JIA for at least 6 months. During 1 week after blood sampling for determination of serum calprotectin (MRP8/14) level the patients were completely discontinued of all therapy. Determination of calprotectin level in blood serum was performed with reagents EK-MRP8/14 Buhlmann (MRP8/14; S100A8/9), Switzerland, using the ELISA method., Results: The trial results showed that 3 months after discontinuation of treatment in patients with inactive JIA, the flares developed in 5 out of 54 patients (9.3%). The median calprotectin level before discontinuation of the treatment was 1,700 ng/ml in patients who developed a flare, and 1,500 ng/ml in other studied patients (not statistically significant). At 6 months, the flare had developed in an additional 3 out of 48 (6.3%) of patients, who continued to be followed up, while their median calprotectin serum levels were 1,300 ng/ml and 1,500 ng/ml respectively (not statistically significant). At 12 months, the flares had developed in 13 more out of 45 (28.9%) patients, who continued to be followed up, while the median calprotectin serum level in these patients before discontinuation of treatment was 1,100 ng/ml and 1,650 ng/ml respectively (not statistically significant)., Conclusion: After discontinuation of treatment a flare over the next year of follow-up developed in 38.9% of patients. The study results did not reveal a significant difference in calprotectin level in patients with JIA prior to complete discontinuation of treatment who developed a flare and those without a flare after 3, 6 and 12 months., Competing Interests: The authors declare no conflict of interest., (Copyright © 2020 Narodowy Instytut Geriatrii, Reumatologii i Rehabilitacji w Warszawie.)

Published
2020
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40. Atypical sleep in critically ill patients on mechanical ventilation is associated with increased mortality.

Author

Boyko Y, Toft P, Ørding H, Lauridsen JT, Nikolic M, and Jennum P

Subjects
Adult, Aged, Aged, 80 and over, Conscious Sedation, Correlation of Data, Critical Illness therapy, Denmark, Female, Humans, Infections mortality, Infections therapy, Intensive Care Units, Male, Middle Aged, Odds Ratio, Polysomnography, Prospective Studies, Respiratory Insufficiency mortality, Respiratory Insufficiency therapy, Risk Factors, Sleep, REM, Critical Illness mortality, Respiration, Artificial, Sleep Wake Disorders mortality
Abstract

Sleep patterns in critically ill patients' polysomnographic sleep studies (PSG) are severely abnormal., Purpose: We aimed to investigate the association of atypical sleep patterns, micro-sleep phenomena (sleep spindles and K-complexes) and rapid eye movement (REM) sleep with intensive care unit (ICU), in-hospital and 90-day mortality in conscious critically ill patients on mechanical ventilation., Method: This was a prospective descriptive study. We analysed 52 PSGs recorded in conscious critically ill patients on mechanical ventilation. PSGs were scored according to standard classification when possible. Otherwise, modified classification proposed for scoring sleep in critically ill patients was used. The association of PSG findings with mortality was studied using logistic regression and Weibull model of survival analysis., Results: The presence of atypical sleep patterns in accordance with modified sleep scoring classification was associated with higher odds for ICU mortality (odds ratio 11.63; p = 0.03). The absence of K-complexes was associated with higher odds for ICU mortality (odds ratio 11.63; p = 0.03), while the absence of sleep spindles was associated with higher odds for in-hospital (odds ratio 7.80; p = 0.02) and 90-day mortality (odds ratio 5.51; p = 0.02). Loss of sleep spindles was associated with higher mortality risk with cutoff point 90 days (hazard ratio 3.87; p = 0.03)., Conclusions: The presence of atypical sleep and absence of normal PSG sleep characteristics in conscious critically ill patients on mechanical ventilation indicates involvement of sleep producing brain structures in the pathological process and is associated with poor outcome.

Published
2019
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41. The Ukrainian version of the Juvenile Arthritis Multidimensional Assessment Report (JAMAR).

Author

Boyko Y, Hrytsiuk I, Consolaro A, Bovis F, and Ruperto N

Subjects
Adolescent, Age of Onset, Arthritis, Juvenile physiopathology, Arthritis, Juvenile psychology, Arthritis, Juvenile therapy, Case-Control Studies, Child, Child, Preschool, Cultural Characteristics, Female, Health Status, Humans, Male, Parents psychology, Patients psychology, Predictive Value of Tests, Prognosis, Psychometrics, Quality of Life, Reproducibility of Results, Translating, Ukraine, Arthritis, Juvenile diagnosis, Disability Evaluation, Patient Reported Outcome Measures, Rheumatology methods
Abstract

The Juvenile Arthritis Multidimensional Assessment Report (JAMAR) is a new parent/patient-reported outcome measure that enables a thorough assessment of the disease status in children with juvenile idiopathic arthritis (JIA). We report the results of the cross-cultural adaptation and validation of the parent and patient versions of the JAMAR in the Ukrainian language. The reading comprehension of the questionnaire was tested in 10 JIA parents and patients. Each participating centre was asked to collect demographic, clinical data and the JAMAR in 100 consecutive JIA patients or all consecutive patients seen in a 6-month period and to administer the JAMAR to 100 healthy children and their parents. The statistical validation phase explored descriptive statistics and the psychometric issues of the JAMAR: the three Likert assumptions, floor/ceiling effects, internal consistency, Cronbach's alpha, interscale correlations, test-retest reliability, and construct validity (convergent and discriminant validity). A total of 100 JIA patients (2% systemic, 44% oligoarticular, 20% RF-negative polyarthritis, 34% other categories) and 100 healthy children were enrolled at the paediatric rheumatology centre of the Western Ukrainian Specialised Children's Medical Centre. The JAMAR components discriminated well between healthy subjects and JIA patients. Notably, there was no significant difference between healthy subjects and their affected peers in the school-related problems variable. All JAMAR components revealed good psychometric performances. In conclusion, the Ukrainian version of the JAMAR is a valid tool for the assessment of children with JIA and is suitable for use both in routine clinical practice and clinical research.

Published
2018
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42. Sleep in intensive care unit: The role of environment.

Author

Boyko Y, Jennum P, Nikolic M, Holst R, Oerding H, and Toft P

Subjects
Adult, Aged, Aged, 80 and over, Clinical Alarms, Cross-Over Studies, Female, Humans, Male, Middle Aged, Polysomnography, Respiration, Artificial, Critical Illness, Environment, Intensive Care Units, Noise prevention & control, Sleep
Abstract

Purpose: To determine if improving intensive care unit (ICU) environment would enhance sleep quality, assessed by polysomnography (PSG), in critically ill mechanically ventilated patients., Materials and Methods: Randomized controlled trial, crossover design. The night intervention "quiet routine" protocol was directed toward improving ICU environment between 10pm and 6am. Noise levels during control and intervention nights were recorded. Patients on mechanical ventilation and able to give consent were eligible for the study. We monitored sleep by PSG.The standard (American Association of Sleep Medicine) sleep scoring criteria were insufficient for the assessment of polysomnograms. Modified classification for sleep scoring in critically ill patients, suggested by Watson et al. (Crit Care Med 2013;41:1958-1967), was used., Results: Sound level analysis showed insignificant effect of the intervention on noise reduction (P=.3). The analysis of PSGs revealed that only 53% of the patients had identifiable characteristics of normal sleep, whereas 47% showed only pathologic patterns., Conclusions: Characteristics of normal sleep were absent in many of the PSG recordings in these critically ill patients. We were not able to further reduce the already existing low noise levels in the ICU and did not find any association between the environmental intervention and the presence of normal sleep characteristics in the PSG., (Copyright © 2016 Elsevier Inc. All rights reserved.)

Published
2017
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43. Melatonin Secretion Pattern in Critically Ill Patients: A Pilot Descriptive Study.

Author

Boyko Y, Holst R, Jennum P, Oerding H, Nikolic M, and Toft P

Abstract

Critically ill patients have abnormal circadian and sleep homeostasis. This may be associated with higher morbidity and mortality. The aims of this pilot study were (1) to describe melatonin secretion in conscious critically ill mechanically ventilated patients and (2) to describe whether melatonin secretion and sleep patterns differed in these patients with and without remifentanil infusion. Eight patients were included. Blood-melatonin was taken every 4th hour, and polysomnography was carried out continually during a 48-hour period. American Academy of Sleep Medicine criteria were used for sleep scoring if sleep patterns were identified; otherwise, Watson's classification was applied. As remifentanil was periodically administered during the study, its effect on melatonin and sleep was assessed. Melatonin secretion in these patients followed a phase-delayed diurnal curve. We did not observe any effect of remifentanil on melatonin secretion. We found that the risk of atypical sleep compared to normal sleep was significantly lower ( p < 0.001) under remifentanil infusion. Rapid Eye Movement (REM) sleep was only observed during the nonsedation period. We found preserved diurnal pattern of melatonin secretion in these patients. Remifentanil did not affect melatonin secretion but was associated with lower risk of atypical sleep pattern. REM sleep was only registered during the period of nonsedation.

Published
2017
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44. Oxidative Addition of Disulfides, Alkyl Sulfides, and Diphosphides to an Aluminum(I) Center.

Author

Chu T, Boyko Y, Korobkov I, Kuzmina LG, Howard JA, and Nikonov GI

Abstract

The aluminum(I) compound NacNacAl (1) reacts with diphenyl disulfide and diethyl sulfide to form the respective four-coordinate bis(phenyl sulfide) complex NacNacAl(SPh)2 (2) and alkyl thiolate aluminum complex NacNacAlEt(SEt) (3). As well, reaction of 1 with tetraphenyl diphosphine furnishes the bis(diphenyl phosphido) complex NacNacAl(PPh2)2 (4). Production of 3 and 4 are the first examples of C(sp(3))-S and R2P-PR2 activation by a main-group element complex. All three complexes were characterized by multinuclear NMR spectroscopy and X-ray crystal structure analysis. Furthermore, a variable-temperature NMR spectroscopic study was undertaken on 4 to study its dynamic behavior in solution.

Published
2016
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45. Cytokines in the blood and semen of infertile patients.

Author

Havrylyuk A, Chopyak V, Boyko Y, Kril I, and Kurpisz M

Abstract

Cytokines have been important mediators of the immunity and can be involved in numerous processes in the male genital tract including acting as immunomodulatory elements within the male gonad. The aims of this study were: 1) to detect pro- and anti-inflammatory cytokine levels in the control group and subgroups of infertile men; and 2) to set up the practical recommendations concerning determination of cytokine levels for the male infertility diagnosis. Observations were performed in a group of 82 men: healthy controls (n = 27) and infertile patients (n = 55). The male infertility group was further subdivided into patients with: varicocele (n = 22), idiopathic infertility (n = 13) and partners of couples with recurrent spontaneous abortion (RSA; n = 20). Semen analysis was determined following WHO criteria. The cytokine interleukin 1β (IL-1β), IL-6, IL-10, IL-18; tumor necrosis factor α (TNF-α), interferon g (IFN-g) and transforming growth factor β1 (TGF-β1) contents in serum and seminal plasma were determined by quantitative ELISA. An interesting marker of male infertility appears to be TGF-β1 (blood) significantly elevated in idiopathically infertile males and in the RSA group. Besides elevated TGF-β1 in a group of idiopathic infertility significantly elevated IL-10, IL-18, IFN-g (blood) and statistically decreased IL-1β while increased IFN-g were revealed in seminal plasma compared to healthy controls. We may postulate novel cytokine micropatterns for patients with different background of infertility. Therefore, circulating cytokines: IL-1β, IL-10, IL-18, TGF-β1, IFN-g and IL-1β, IFN-g and TGF-β1 in seminal plasma should be extended in evaluation of specific types of male infertility.

Published
2015
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46. The binding activity of Mel-18 at the Il17a promoter is regulated by the integrated signals of the TCR and polarizing cytokines.

Author

Hod-Dvorai R, Jacob E, Boyko Y, and Avni O

Subjects
Animals, Antibodies immunology, Antibodies pharmacology, Blotting, Western, CD28 Antigens immunology, CD3 Complex immunology, Cell Differentiation genetics, Chromatin Immunoprecipitation, DNA-Binding Proteins genetics, Enhancer of Zeste Homolog 2 Protein, Female, Gene Expression Regulation drug effects, Histone-Lysine N-Methyltransferase genetics, Histone-Lysine N-Methyltransferase metabolism, Mice, Mice, Inbred BALB C, Nuclear Receptor Subfamily 1, Group F, Member 3 metabolism, Polycomb Repressive Complex 1, Polycomb Repressive Complex 2, Protein Binding drug effects, RNA Interference, Reverse Transcriptase Polymerase Chain Reaction, Th17 Cells drug effects, Th17 Cells metabolism, Transforming Growth Factor beta pharmacology, Cytokines pharmacology, DNA-Binding Proteins metabolism, Interleukin-17 genetics, Promoter Regions, Genetic genetics, Receptors, Antigen, T-Cell metabolism, Signal Transduction
Abstract

We have previously shown that in differentiated T-helper (Th)1 and Th2 cells, polycomb group (PcG) proteins are associated differentially with the promoters of the signature cytokine genes. The correlation of the binding activity of PcG proteins with gene expression is unusual, since they are well known as epigenetic regulators that maintain transcriptional silencing. Here we show that in Th17 cells, the more phenotypically flexible Th lineage, the PcG proteins Mel-18 and less strikingly Ezh2 are associated differentially with the Il17a promoter. Using the RNAi approach, we found that Mel-18 and Ezh2 positively regulate the expression of Il17a and Il17f. The inducible binding of Mel-18 and Ezh2 at the Il17a promoter was dependent on signaling pathways downstream of the TCR. However, a continuous presence of TGF-β, the cytokine that is necessary to maintain Il17a expression, was required to preserve the binding activity of Mel-18, but not of Ezh2, following restimulation. The binding of Mel-18 at the Il17a promoter was correlated with the recruitment of the lineage-specifying transcription factor RORγt. Altogether, our results suggest that in Th17 cells the TCR and polarizing cytokines synergize to modulate the binding activity of Mel-18 at the Il17a promoter, and consequently to facilitate Il17a expression., (Copyright © 2011 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.)

Published
2011
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47. Dual function of polycomb group proteins in differentiated murine T helper (CD4+) cells.

Author

Jacob E, Hod-Dvorai R, Ben-Mordechai OL, Boyko Y, and Avni O

Abstract

Background: Following antigen recognition, naive T helper (Th; CD4+) cells can differentiate toward one of several effector lineages such as Th1 and Th2; each expressing distinctive transcriptional profiles of cytokine genes. These cytokines eventually instruct the strategy of the immune response. In our search for factors that propagate the transcriptional programs of differentiated Th cells, we previously found that Polycomb group (PcG) proteins, which are known as epigenetic regulators that maintain repressive chromatin states, bind differentially the signature cytokine genes. Unexpectedly, their binding to the Ifng (Interferon-g) in Th1 cells and Il4 (Interleukin-4) in Th2 cells, was correlated with transcriptional activation. Therefore, in this study we aimed to determine the functional role of PcG proteins in the regulation of the expression of the signature cytokine genes., Methods: PcG proteins were knocked down in primary and established murine Th cells using transduction of lentiviruses encoding short hairpin RNAs (shRNAs) directed to Mel-18, Ezh2, Eed and Ring1A, representative of two different PcG complexes. The chromatin structure and the binding activity of PcG proteins and transcription factors at the Ifng promoter were assessed by chromatin immunoprecipitation (ChIP) assays., Results: Downregulation of PcG proteins was consistent with their function as positive regulators of the signature cytokine genes in primary and established Th1 and Th2 cells. Moreover, the PcG protein Mel-18 was necessary to recruit the Th1-lineage specifying transcription factor T-bet, and the T cell receptor (TCR)-inducible transcription factor NFAT1 to the Ifng promoter in Th1 cells. Nevertheless, our results suggest that PcG proteins can function also as conventional transcriptional repressors in Th cells of their known target the Hoxa7 gene., Conclusions: Our data support a model whereby the non-differentially expressed PcG proteins are recruited in a Th-lineage specific manner to their target genes to enforce the maintenance of specific transcriptional programs as transcriptional repressors or activators. Although our results suggest a direct effect of PcG proteins in the regulation of cytokine gene expression, indirect functions cannot be excluded.

Published
2011
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48. Revisiting human IL-12Rβ1 deficiency: a survey of 141 patients from 30 countries.

Author

de Beaucoudrey L, Samarina A, Bustamante J, Cobat A, Boisson-Dupuis S, Feinberg J, Al-Muhsen S, Jannière L, Rose Y, de Suremain M, Kong XF, Filipe-Santos O, Chapgier A, Picard C, Fischer A, Dogu F, Ikinciogullari A, Tanir G, Al-Hajjar S, Al-Jumaah S, Frayha HH, AlSum Z, Al-Ajaji S, Alangari A, Al-Ghonaium A, Adimi P, Mansouri D, Ben-Mustapha I, Yancoski J, Garty BZ, Rodriguez-Gallego C, Caragol I, Kutukculer N, Kumararatne DS, Patel S, Doffinger R, Exley A, Jeppsson O, Reichenbach J, Nadal D, Boyko Y, Pietrucha B, Anderson S, Levin M, Schandené L, Schepers K, Efira A, Mascart F, Matsuoka M, Sakai T, Siegrist CA, Frecerova K, Blüetters-Sawatzki R, Bernhöft J, Freihorst J, Baumann U, Richter D, Haerynck F, De Baets F, Novelli V, Lammas D, Vermylen C, Tuerlinckx D, Nieuwhof C, Pac M, Haas WH, Müller-Fleckenstein I, Fleckenstein B, Levy J, Raj R, Cohen AC, Lewis DB, Holland SM, Yang KD, Wang X, Wang X, Jiang L, Yang X, Zhu C, Xie Y, Lee PPW, Chan KW, Chen TX, Castro G, Natera I, Codoceo A, King A, Bezrodnik L, Di Giovani D, Gaillard MI, de Moraes-Vasconcelos D, Grumach AS, da Silva Duarte AJ, Aldana R, Espinosa-Rosales FJ, Bejaoui M, Bousfiha AA, Baghdadi JE, Özbek N, Aksu G, Keser M, Somer A, Hatipoglu N, Aydogmus Ç, Asilsoy S, Camcioglu Y, Gülle S, Ozgur TT, Ozen M, Oleastro M, Bernasconi A, Mamishi S, Parvaneh N, Rosenzweig S, Barbouche R, Pedraza S, Lau YL, Ehlayel MS, Fieschi C, Abel L, Sanal O, and Casanova JL

Subjects
Adolescent, Adult, Age Factors, Child, Child, Preschool, Cytokines blood, Female, Genotype, Humans, Infant, Infant, Newborn, Interleukin-12 Receptor beta 1 Subunit genetics, Male, Middle Aged, Mycobacterium Infections, Nontuberculous epidemiology, Mycobacterium Infections, Nontuberculous genetics, Mycobacterium bovis isolation & purification, Mycobacterium tuberculosis isolation & purification, Nontuberculous Mycobacteria isolation & purification, Survival Analysis, Interleukin-12 Receptor beta 1 Subunit deficiency
Abstract

Interleukin-12 receptor β1 (IL-12Rβ1) deficiency is the most common form of Mendelian susceptibility to mycobacterial disease (MSMD). We undertook an international survey of 141 patients from 102 kindreds in 30 countries. Among 102 probands, the first infection occurred at a mean age of 2.4 years. In 78 patients, this infection was caused by Bacille Calmette-Guérin (BCG; n = 65), environmental mycobacteria (EM; also known as atypical or nontuberculous mycobacteria) (n = 9) or Mycobacterium tuberculosis (n = 4). Twenty-two of the remaining 24 probands initially presented with nontyphoidal, extraintestinal salmonellosis. Twenty of the 29 genetically affected sibs displayed clinical signs (69%); however 8 remained asymptomatic (27%). Nine nongenotyped sibs with symptoms died. Recurrent BCG infection was diagnosed in 15 cases, recurrent EM in 3 cases, recurrent salmonellosis in 22 patients. Ninety of the 132 symptomatic patients had infections with a single microorganism. Multiple infections were diagnosed in 40 cases, with combined mycobacteriosis and salmonellosis in 36 individuals. BCG disease strongly protected against subsequent EM disease (p = 0.00008). Various other infectious diseases occurred, albeit each rarely, yet candidiasis was reported in 33 of the patients (23%). Ninety-nine patients (70%) survived, with a mean age at last follow-up visit of 12.7 years ± 9.8 years (range, 0.5-46.4 yr). IL-12Rβ1 deficiency is characterized by childhood-onset mycobacteriosis and salmonellosis, rare recurrences of mycobacterial disease, and more frequent recurrence of salmonellosis. The condition has higher clinical penetrance, broader susceptibility to infections, and less favorable outcome than previously thought.

Published
2010
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49. [Influenza A H1N1v treated with extracorporeal membrane oxygenation].

Author

Jensen R, Severinsen IK, Terp K, Boyko Y, Nielsen LP, and Storgaard M

Subjects
Adult, Antiviral Agents administration & dosage, Female, Humans, Influenza A Virus, H1N1 Subtype, Influenza, Human drug therapy, Oseltamivir administration & dosage, Pneumonia, Viral drug therapy, Pneumonia, Viral virology, Zanamivir administration & dosage, Extracorporeal Membrane Oxygenation, Influenza, Human complications, Pneumonia, Viral therapy
Abstract

A 37-year-old woman with body mass index > 30 was admitted to hospital with severe pneumonia due to H1N1v. Thoracic X-ray showed bilateral, diffuse infiltrates. There was no sign of complicating bacterial infection and all microbiological tests of tracheal secretion, blood and urine were negative. Polymerase chain reaction test for H1N1v was positive until day ten. No mutations were found in the virus. The patient was given oseltamivir tablets and inhalable zanamivir as well as antibiotics. The patient was treated with extra-corporal membrane oxygenation (EcmO) for 12 days followed by ventilator weaning. The patient had no neurological sequelae.

Published
2010

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