115 results on '"J. Vieth"'
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2. MOEGLICHKEITEN UND GRENZEN DER MAGNETOENZEPHALOGRAPHlE
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J. Vieth
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Physics ,Biomedical Engineering - Published
- 2009
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3. Intermittent Antegrade Tepid Versus Cold Blood Cardioplegia in Elective Myocardial Revascularization
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Robert Nevett, Paul J Vieth, Andrew C. Fiore, Marc T. Swartz, Adam Sherrick, Robert A. Magrath, and Hendrick B. Barner
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Male ,Pulmonary and Respiratory Medicine ,medicine.medical_specialty ,Myocardial revascularization ,Cardiac Volume ,Electric Countershock ,Ventricular Function, Left ,Cohort Studies ,Oxygen Consumption ,Internal medicine ,Humans ,Medicine ,Prospective Studies ,Derivation ,Blood cardioplegia ,Coronary Artery Bypass ,Cardioplegic Solutions ,Creatine Kinase ,Aged ,Cardiopulmonary Bypass ,biology ,business.industry ,Stroke Volume ,Hydrogen-Ion Concentration ,Middle Aged ,Myocardial Contraction ,Coronary heart disease ,Cold Temperature ,Isoenzymes ,Blood ,Elective Surgical Procedures ,Anesthesia ,Heart Arrest, Induced ,Lactates ,biology.protein ,Cardiology ,Female ,Surgery ,Creatine kinase ,Safety ,Cardiology and Cardiovascular Medicine ,business - Abstract
The ideal temperature for blood cardioplegia administration remains controversial.Fifty-two patients who required elective myocardial revascularization were prospectively randomized to receive intermittent antegrade tepid (29 degrees C; group T, 25 patients) or cold (4 degrees C; group C, 27 patients) blood cardioplegia.The two cohorts were similar with respect to all preoperative and intraoperative variables. The mean septal temperature was higher in group T (T, 29.6 degrees +/- 1.1 degrees C versus 17.5 degrees +/- 3.0 degrees C; p0.0001). After reperfusion, group T exhibited significantly greater lactate and acid release despite similar levels of oxygen extraction (p0.05). The creatine kinase-MB isoenzyme release was significantly lower in group T (764 +/- 89 versus 1,120 +/- 141 U x h/L; p0.04). Hearts protected with tepid cardioplegia demonstrated significantly increased ejection fraction with volume loading, improvement in left ventricular function at 12 hours, and decreased need for postoperative inotropic support (p0.05). The frequency of ventricular defibrillation after cross-clamp removal was lower in this cohort (p0.05). There were no hospital deaths, and both groups had similar postoperative courses.Intermittent antegrade tepid blood cardioplegia is a safe and efficacious method of myocardial protection and demonstrates advantages when compared with cold blood cardioplegia in elective myocardial revascularization.
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- 1998
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4. Fourth meeting of the European Neurological Society 25–29 June 1994 Barcelona, Spain
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H. Hattig, C. Delli Pizzi, M. C. Addonizio, Michelle Davis, A. R. Giovagnoli, L. Florensa, M. Roth, J. de Kruijk, Francisco Lacruz, Ph. Dewailly, A. Toygar, C. Avendano, P.P. De Deyn, J. F. Hurtevent, F. Lomeila, T. W. Wong, Gordon T. Plant, M. Bud, H. J. Willison, DH Miller, D. W. Langdon, R. Cioni, J. Servan, A. Kaygisiz, E. Racadot, D. B. Schens, E. Picciola, L. Falip, C. Bouchard, J. Jotova, A. Jorge-Santamaria, P. Misra, A. Dufour, C. P. Panagopoulos, A. Venneri, B. Sredni, B. Angelard, M. Janelidze, M. Carreno, J. Obenberger, J. Pouget, H. W. Moser, R. Kaufmann, J. A. Molina, D. Linden, A. Martin Urda, E. Uvestad, A. Krone, J. P. Cochin, J. Mallecourt, A. Cambon-Thomsen, K. Violleau, P. Osschmann, A. M. Durocher, E. Bussaglia, D. M. Danielle, H. Efendi, C. Van Broeckhoven, K. G. Jordan, W. Rautenberg, C. Iniguez, J. M. Delgado, Graham Watson, M. Lawden, Gareth J. Barker, K. Stiasny, James T. Becker, G. Campanella, E. Peghi, A. Poli, A. Haddad, T. Yamawaki, Giacomo P. Comi, S. Sotgiu, B. Ersmark, A. Pomes, M. Ziegler, P. Ferrante, P. Ruppi, H. KuÇukoglu, R. Bouton, U. K. Rinne, P. Vieregge, M. Dary, P. Giunti, Peter J. Goadsby, S. Jung, E. Secor, A. Steinberg, N. Vila, M. A. Hernandez, M. Cursi, A. Enqelhardt, A. Engelhardt, J. Veitch, F. Di Silverio, F. Arnaud, B. Neundörfer, R. Brucher, Dominique Caparros-Lefebvre, B. Meyer, Marianne Dieterich, M. H. Snidaro, R. Gomez, R. Cerbo, M. Ragno, J. M. Vance, S. Nemni, A. Caliskan, F. Barros, I. Velcheva, D. Ceballos-Baumann, V. Barak, A. Avila, N. Antonova, F. Resche, S. Pappata, L. Varela, S. R. Silveira Santos, A. Cammarota, L. Naccache, Y. Nara, E. Tournier-Lasserves, R. Mobner, T. Chase, A. Ensenyat, J. Ulrich, G. Giegerich, M. Rother, M. Revilla, N. Nitschke, K. Honczarenko, E. Basart Tarrats, J. Blin, B. Jacob, J. Santamaria, S. Knezevic, J. L. Castillo, M. Antem, J. Colomer, O. Busse, Didier Hannequin, S. Carrier, J. B. Ruidavets, C. Rozman, J. Bogoussslavsky, J. Pascual Calvet, E. Monros, J. M. Polo, M. Zucconl, Javier Muruzabal, R. R. Allen, R. Rivolta, K. Haugaard, A. Nespolo, K. Hoang-Xuang, G. Bussone, T. Avramidis, E. Corsini, Christiana Franke, T. Vinogradova, H. Boot, K. Vestergaard, G. H. Jansen, N. Argentino, M. Raltzig, W. Linssen, Mark B. Pepys, P. Roblot, L. Lauritzen, E. Fainardi, D. Morin, T. X. Arbizu Urdiain, J. Wollenhaupt, S. Bostantjopoulou, G. Pavesi, A. D. Forman, Giovanni Fabbrini, D. Jean, J. J. Archelos, M. I. Blanchs, M. Del Gobbo, Anna Carla Turconi, Ch. Derouesné, Elio Scarpini, A. Visbeck, P. Castejon, J. P. Renou, F. Mounier-Vehier, G. Potagas, Ch. Duyckaerts, A. Filla, R. Schneider, G. Ronen, K. Nagata, J. P. Vedel, A. Henneberg, G. van Melle, C. Baratti, H. Knott, M. C. Prevett, A. Bes, B. Metin, Jos V. Reempts, L. Martorell, Mefkure Eraksoy, H. O. Handwerker, D. S. Younger, O. Oktem, D. Frongillo, C. Soriano-Soriano, L. Niehaus, F. Zipp, A. Tartaro, S Newman, R. H. Browne, P. Davous, R. Sanchez, M. Muros, M. E. Kornhuber, A. Lavarone, M. Mohr, M. R. Garcia, S. Russell, H. Kellar-Wood, M. R. Tola, B. Ostermeyer, Ch. Tzekov, K. Sartor, E. B. Ringelstein, P. P. Gazzaniga, Paul Krack, H. Fidaner, H. Rico, T. Dbaiss, F. Alameda, E. Torchiana, L. Rumbach, I. Charques, J. M. Bogaard, C. D. Frith, L. J. Rappelle, R. Brenner, A. Joutel, K. Fuxe, G. HÄcker, M. J. Blaser, J. Valls-SolÇ, G. Ulm, M. Alberdi, A. Bock, F. W. Bertelsmann, U. Wieshmann, J. Visa, J. R. Lupski, D. D'Amico, L. M. P. Ramos, A. A. Vanderbark, R. Horn, M. Warmuth, Dietmar Kühne, Mark S. Palmer, C. Ehrenheim, E. Canga, S. Viola, O. Scarpino, P. Naldi, R. Almeida, A. A. Raymond, J. Gamez, Stephan Arnold, A. DiGiovanni, J. Dalmau, C. C. Chari, H. F. Beer, J. C. Koetsier, J. Iriarte, E. Yunis, J. Casadevall, E. Le Guern, E. Stenager, S. R. Benbadis, J. M. Warter, F. Burklin, I. Theodorou, L. Johannesen, G. A. Graveland, X. Leclerc, I. Vecchio, L. Ozelius, G. Nicoletti, R. K. Gherardi, E. Esperet, M. L. Delodovici, F. Cattin, F. Paiau, Giorgio Sacilotto, C. A. J. Broere, D. Chavdarov, J. P. Willmer, C. H. Hawkes, Th. Naegele, E. Ellie, E. Dartigues, M. J. Guardiola, S. Hesse, Z. Levic, Marco Rovaris, P. Saugeir-Veber, B. A. Yaqub, H. F. Durwen, R. Larumbe, J. Ballabrina, M. Sendtner, J. Röther, M. Horstink, C. Kluglein, M.P. Montesi, H. Apaydin, J. Montoya, E. Waubant, Ch. Verellen-Dunoulin, A. Nicolai, J. Lopez-Delval, R. Lemon, G. Cantinho, E. Granieri, A. Zeviani, Wolfgang H. Oertel, U. Ficola, V. Di Piero, V. Fragola, K. Sabev, M. V. Guitera, I. Turki, F. Bolgert, P. Ingrand, J. M. Gobernado, L. M. E. Grimaldi, S. Baybas, B. Eymard, Y. Rolland, Y. Robitaille, Ta. Pampols, P. J. Koehler, A. Carroacedo, J. Vilchez, S. Di Vittorio, I. R. Rise, T. Nagy, M. Kuffner, E. Palazzini, A. Ott, J. Pruim, T. X. Arbizu, E. Manetti, C. Cervera, S. Felber, G. Gursoy, J. Scholz, G. A. Buscaino, M. S. Chen, A. Pascual, J. Hazan, J. U. Gajda, J. G. Cea, G. Bottini, G. Damalik, F. Le Doze, G. Bonaldi, J. M. Hew, C. Messina, A. M. Kennedy, J. M. Carney, N. M. F. Murray, M. Parent, M. Koepp, V. Dimova, D. De Leo, K. Jellinger, G. Salemi, S. Mientus, M. L. Hansen, F. Mazzucchelli, J. Vieth, M. Mauri, E. Bartels, L. Johannsen, C. Humphreys, J. Emile, D. N. Landon, E. Kansu, R. Sanchez-Pernaute, Rsj Frackowiak, M. Gonzalez Torres, L. Oller, C. Machedo, J. Kother, M. Billiard, H. Durak, T. Schindler, A. Frank, A. Uncini, A. Sbriccoli, C. Farinas, D. W. Paty, N. Fast, A. T. Zangaladze, A. Kerkhofs, J. M. Pino Garcia, I. De la Fuente, B. Marini, L. Gomez, I. Rubio, Alessandra Bardoni, C. Brodie, P. Acin, U. Sliwka, S. A. Hawkins, S. Tardieu, F. Vitullo, J. M. Pereira Monteino, R. Gagliardi, T. Jezewski, A. Cano, T. Lempert, F. Abad Alegria, G. Rotondo, D. Ince, C. Martinez Parra, Y. Huang, H. Luders, Y. Steinvil, F. G. A. Van Der Meche, R. Bianchi, A. Sanchez, T. Sevilla, J. M. Ketelslegers, A. Domzal-Stryga, M. Pandolfo, M. O. Josse, K. W. Neff, I. Blanco, G. W. Bruyn, O. W. Witte, J. L. Thibault, G. Andersen, J. Pariset, A. Marcone, R. J. M. Lane, A. Hofman, M. Verin, T. Matilla, P. Bedoucha, J. Roche, M. Lai, M. Collard, A. Ugarte, F. Gallecho, D. Silbersweig, C. Kennard, J. P. Azulay, T. W. Ho, P. L. I. Dellemijn, R. Girardello, F. Baas, B. Voss, F. Rozenberg, E. M. Brocker, V. Stanev, A. A. J. Soeterboek, A. Marra, A. Rey, E. Ertem, M. Sawradewicz-Rybak, J. De Keyser, P. Cavallari, F. Proust, Y. Chevalier, H. C. Hansen, D. Leys, C. A. Davie, K. Hoang-Xuan, C. Bairati, H. van Crevel, Thomas T. Warner, B. Bompais, A. Dobbeleir, T Campbell, C. Macko, C. J. M. Klijn, M. Dussallant, T. P. Berlit, W. Rozenbaum, M. J. van den Bent, W. A. Rocca, M. Muller, H. Hundemer, U. Zifko, M. Campera, F. Drislane, D. Ranoux, T. M. Kloss, Anil Kumar, I. Ruolt, C. Bargnani, B. Marescau, N. A. Losseff, S. Notermans, B. Kint, E. T. Burke, C. Aykut, J. Matias Guiu, P. Maquet, T. Drogendijk, M. Leone, K. von Ammon, M. Pepeliarska, C. Prados, L. DiGiamberardino, T. Logtenberg, G. Lenoir, I. Castaldo, Damhaut, M. Radionova, G. Sirabian, R. Navon, Giovanni Antonini, K. Al Moutaery, E. Chamas, R. Schönhuber, M. Giannini, B. Debilly, I. Labatut, H. Henon, J. A. Egido, M. Baudrimont, J. N. Lorenzo, J. E. C. Bromberg, R. Antonacci, J. J. Vilchez, T. Moulin, B. Rautenstrauss, Giovanni Meola, J. Noth, S Mammi, P. Laforet, F. Lopez, C. Gehring, S. Bort, G. Rancurel, D. Decamps, S. Kostadinova, Y. Shapira, B. Neundoerfer, D. Chavrot, M. Solimena, J. P. Salier, W. Deberdt, R. Hoff-Jörgensen, A. Messina, S. Meairs, G. Rosoklija, E. Nelis, I. Bertran, C. Ertekin, J. Lohmeyer, Mitermayer Galvao dos Reis, L. Calo, E. Maccagnano, A. P. Hays, J. Verlooy, M. G. Forno, T. Blanco, L. Bail, Gabriella Silvestri, J. Montero, F. Bertrand, R. T. Ghnassia, C. Besses, T. Sereghy, F. Shalit, G. Bogliun, S. Braghi, St. Baykouchev, C. Franke, A. Lasa, L. C. Archard, J. Kriebel, S. Shaunak, M. Nocito, Alexander Tsiskaridze, E. Manfredini, T. Seigal, David G. Gadian, M. Barlas, J. D. Degos, C. Seeber, J. Caemert, J. L. Mas, R. B. Pepinsky, M. G. D'Angelo, N. Baumann, S. Yorifuji, H. P. Endtz, M. A. Cassatella, R. A. C. Hughes, V. Golzi, A. Bittencourt, A. Ferreira, M. Sanson, C. Alper, M. Vermeulen, M. A. A. van Walderveen, E. Alexiou, C. H. Lucas, M. Fiorelli, Y. N. Debbink, R. Gil, S. Congia, T. Banerjee, J. M. Bouchard, A. N. Pinto, A. Ceballos-Baumann, G. Grollier, P. I. M. Schmitz, M. D. Catata, N. Lahat, N. S. Rao, P. Papathanasopoulos, J. Valls-Solé, D. Claus, G. Schroter, A. Castro, C. Videbaek, R. Martinez Dreke, A. D. Platts, M. Hermesl, A. C. PeÇanha-Martins, M. Cardoso Silva, P. Masnou, M. J. A. Tanner, Ch. Confavreux, B. Mishu, H. Rasmussen, L. Valenciano, Carlo Pozzilli, S. W. Li, V. Salzman, Y. Vashtang, Massimo Franceschi, M. Severo, G. Deuschl, S. Setien, G. Mariani, A. Protti, J. Castillo, M. J. B. Taphoorn, M. Frontali, I. Milonas, D. Decoq, J. A. Navarro, S. Castellvi-Pel, C. Ertikin, M. Urtasun, Y. Lajat, B. E. Kendall, E. Verdu, B. Gueguen, E. Boisen, R. Couderc, A Danek, JM Stevens, F. Nicoli, L. Feltri, M. L. Vazquez-Andre, J. A. Morgan-Hughes, L. D'Angelo, F. Y. Liew, L. F. Pascual, J. Patrignani Ochoa, Vittorio Martinelli, J. Cophignon, L. Zhang, S. Martin, J. F. Meder, H. C. Buschmann, L. Bertin, J. van Gijn, A. Barreiro, A. Cools, C. Leon, A. Berod, E. A. Anllo, E. Zanette, L. Petrov, R. Barona, B. Gallicchio, P. J. Cozzone, N. Diederich, G. Cancel, L. Schelosky, P. Orizaola, K. Yulug, S. Ozer, Valeria A. Sansone, B. Guiraud-Chaumeil, K. Voigt, P. Labauge, M. Eoli, J. Zhu, J. Aguirre, M. Ferrarini, B. Zyluk, E. Planas, A. Cadilha, C. Tortorella, H. Bismuth, C. E. Counsell, A. Laun, A. Ferlini, Rio J. Montalban, N. Biary, L. Becker, M. Fardeau, M. Poloni, V. M. S. de Bruin, C. Fornada, J. Barros, E. Ganzmann, E. Touze, D. Wallach, J. Peila, H. Fujimura, M. T. Iba-Zizen, G. Macchi, C. Villoslada, R. Gouider, Ph. Rondepierre, P. Grummich, P. Chiodi, C. Conte, M. Michels, P. Annunziata, G. Semana, C. Sommer, J. Vajsar, D. Zekin, J. Kulisevsky, David G. Munoz, B. Jacotot, M. Magoni, A. Luxen, T. Garcia-Silva, S. Di Cesare, Christophe Tzourio, M. Gomori, I. Picomell, L. Santoro, F. Villa, Giovanni Pennisi, T. Ribalta, J. M. Molto, L. Marzorati, P. Loiseau, F. Gemignani, A. Gironell, J. Wissel, A. Prusinski, F. Cailloux, P. Villanueva-Hemandez, P. Cozzone, T. Del Ser, J. Sans-Sabrafen, M. Zappia, P. W. A. Willems, G. Tchernia, D. Gardeur, R. Bauer, F. Palomo, H. Metz, S. Lamoureux, C. Chastang, I. Reinhard, A. Goldfarb, S. Harder, Jordi Río, C. Ozkara, E. Tekinsoy, P. Vontobell, J. De Recondo, M. Rabasa, L. Lacomblez, F. Boon, Dgt Thomas, V. Palma, Renato Mantegazza, A. Dervis, M. Nueckel, B. YalÇinerner, I. Duran, G. Dalla Volta, A. Zubimendi, J. Pinheiro, A. Marbini, Xavier Montalban, H. Wekerle, X. Pereira Monteino, F. Crespo, F. Koskas, N. Battistini, C. Ruiz, H. Offner, J. de Pommery, P. Kanovsky, J. Y. Barnett, J. Pardo, G. Tomei, R. Rene, H. M. Lokhorst, P. Thajeb, H. Bilgin, D. McGehee, R. Fahsold, L. Morgante, Katie Sidle, C. Delwaide, M. N. Diaye, P. H. Rice, A. Creange, C. Sabev, K. Stephan, K. WeilBenborn, G. Magnani, L. Grymonprez, F. Cardellach, M. Kaps, N. G. Meco, F. Vega, V. Bonifati, A. Desomer, M. Baldy-Moulinier, G. Kvale, F. J. Authier, B. Yegen, T. Ho, J. M. Rozet, E. A. Cabanis, L. Bruce, L. Ambrosoli, M. A. Petrella, M. Hernandez, P. Timmings, H. B. van der Worp, F. Mahieux, A. Urbano-Marquez, D. A. Krendel, A. A. Garcia, R. Divari, R. Michalowicz, M. R. Piedmonte, M. Bondavalli, M. Zanca, P. F. Ippel, Onofre Combarros, B. Tavitian, E. Hirsch, I. Anastasopoulos, A. Roses, A. Köhler, P. Vienna, V. Timmerman, P. Sergi, F. Cornelio, A. Di Pasquale, R. Verleger, S. Castellvirel, J. Proano, B. van Moll, F. Rubio, W. Hacke, I. Lavenu, L. Zetta, M. W. Tas, N. Bittmann, M. Bonamini, O. R. Hommes, V. Dousset, N. Afsar, S. Belal, R. R. Myers, J. Goes, Giuseppe Vita, E. Clementi, V. G. Karepov, M. Jueptner, A Vincent, P. Emmrich, Th. Heb, A. Caballo, J. Gallego, T. Mokrusch, C. Perla, L. Gebuhrer, O. Titlbach, Alessandro Prelle, A. Czlonkowska, M. Russo, D. Hadjiev, T. S. Chkhikvishvili, M. Oehlschlager, G. Becker, I. Günther, E. N. Stenager, J. Garcia Agundez, J. Casademont, J. Batlle, S. Podobnik-Sarkanji, C. Alonso-Villaverde, B. Delaguillaume, B. Genc, B. Mazoyer, A. Rodriguez-Al-barino, Ch. Hilger, B. Ferrero, R. Price, W. Grisold, L. Fuhry, D. Oulbani, D. Ewing, A. Petkov, W. Walther, A. Gokyigit, John Newsom-Davis, J. Tayot, D. Seliak, G. Pelliccioni, D. Campagne, K. Kessler, F. Boureau, D. Perani, J. P. N'Guyen, N. Tchalucova, B. A. Antin-Ozerkis, C. Lacroix, B. D. Aronovich, I. H. Jenkins, E. A. dos Reis, M. Hortells, H. M. Meinck, H. Ch. Buschmann, S. C. J. M. Jacobs, T. Wetter, P. Creissard, N. Martinez, J. Weidenfeldl, H. J. Sturenburg, G. Damlacik, V. Gracia, J. C. Turpin, A. Pou-Serradell, J. P. Vincent, T. Gagoshidze, U. Ozkutlu, M. McLeod, K. Siegfried, I. Tchaoussoglou, J. Hildebrand, S. Kowalska, M. C. Picot, G. Galardin, L. Crevits, F. Andreetta, S. Larumbe-Lobalde, G. de la Sierra, J. C. Alvarez-Cermeno, R. J. Seitz, P. L. Oey, L. Ptacek, A. M. J. Paans, A. Wirrwar, A. Schmied, J. Uilchez, H. Tounsi, D. Hipola, V. Avoledo, Y. Hirata, P. Vermersch, T. M. Aisonobe, J. Valls-SoIè, H. Staunton, J. Dichgans, R. Karabudak, I. Dones, G. Porta, E. Janssens, Maria Martinez, J. M. Fernandez-Real, R. Villagra, Y. Yoshino, C. Kabus, K. Schimrigk, I. Girard-Buttaz, F. Piccoli, F. Aichner, P. Zuchegna, S. M. Al Deeb, F. Bono, N. Busquets, A. Jobert, Patrizia Ciscato, M. Martin, L. Polman, S. Darbra, V. Le Cam-Duchez, F. Baldissera, B. Baykan-Kurt, D. Guez, M. Bratoeva, H. Matsui, M. Mila, H. Perron, L. Bjorge, G. Husby, Steven T. DeKosky, D. R. Cornblath, J. M. Gabriel, J. J. Poza, Y. Wu, A. Toscano, R. P. Kleyweg, J. Kuhnen, S. O. Confort-Gouny, A. Barcelo, A. M. Conti, C. Fiol, C. Steichen-Wiehn, J. Rodes, M. Cavenaile, C. Vedeler, M. Drlicek, C. Argentino, M. L. Peris, A. Cervello, A. Z. GinaÏ, S. Yancheva, D. Passingham, S. Aoba, D. L. Lopez, T. Rechlin, K. Sonka, L. Grazzi, V. Folnegovic-Smalc, Maurizio Moggio, S. Rivaud, F. G. I. Jennekens, C. H. Hartard, H. Meierkord, G. Stocklin, M. D. Catala, W. C. McKay, E. Salmon, C. Navarro, I. Pastor, L. Canafoglia, M. De Braekeleer, P. K. Thomas, C. Mocellini, C. Pierre-Jerome, M. C. Dalakas, P. Pollak, M. Levivier, Niall Quinn, G. E. Rivolta, Z. Tunca, H. Zeumer, J. Garcia Tena, St. Guily, P. Gaudray, Johannes Kornhuber, V. Petrunjashev, R. Montesanti, R. J. Abbott, H. Petit, G. Kiteva-Trencevska, F. Carletto, C. Ramo, I. M. Pino, P. Beau, G. F. Mennuni, F. Moschian, F. Meneghini, B. Zdziarska, B. Fontaine, C. Stephens, G. Meco, K. Reiners, G. Badlan, M. Sessa, I. Degaey, S. M. Hassan, C. Albani, F. Caroeller, M. Schroeder, G. Savettieri, A. Novelletto, R. Kurita, P. Oschmann, I. Plaza, M. Oliveres, Simone Spuler, A. Molins, M. Schwab, J. R. Kalden, C. P. Gennaula, Y. Baklan, O. Picard, J. M. Léger, B. Mokri, E. Ghidoni, M. Jacob, D. Deplanque, W. JÄnisch, C. 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Katiane EmbiruÇu, E. M. Wicklein, K. Willmes, L. Hanoglu, J. F. Pellissier, Yves Agid, E. Cuadrado, S. Brock, D. Maimone, Z. G. Nadareishvili, E. Matta, S. Hilmi, V. Assuerus, F. Lomena, R. Springer, F. Cabrera-Valdivia, Oscar L. Lopez, M. Casazza, F. Vivancos, Ralf Gold, T. Crawford, B. Moulard, M. Poisson, W. l. McDonald, D. E. Grobbe, Alan Connelly, H. Ozcan, S. Abeta, H. Severo Ochoa, A. C. van Loenen, E. Libson, M. J. Marti, B. George, C. Ferrarese, B. Jacobs, L. Divano, T. Ben-Hur, A. L. Bootsma, V. Martinez, A. Conti, R. P. Maguire, B. Schmidt, D. M. Campos, D. A. Guzman, E. Meary, C. Richart, P. B. Christensen, T. Schroeder, Massimo Zeviani, K. Jensen, R. Aliaga, S. Seitz-Dertinger, J. W. Griffin, C. Fryze, H. Baas, S. Braun, A. M. Porrini, B. Yemez, M. J. Sedano, C. Creisson, A. Del Santo, A. Mainz, R. Kay, S. Livraghi, R. de Waal, D. Macgregor, H. Hefter, R. Garghentino, U. Ruotsalainen, M. Matsumoto, M. G. Beaudry, P. M. Morrison, J. C. Petit, C. Walon, Ph. Chemouilli, F. Henderson, R. Massa, A. Cruz Martinez, U. Liska, F. Hecht, Ernst Holler, V. S. de Bruin, B. B. Sheitman, S. M. Bentzen, C. Bayindir, F. Pallesta, P. E. Roland, J. Parrilla, P. Zunker, L. F. Burchinskaya, G. Mellino, S. Ben Ayed, D. Bonneau, P. Nowacki, M. Goncalves, P. Riederer, N. Mavroudakis, J. Togores, L. Rozewicz, S. Robeck, Y. Perez Gilabert, L. Rampello, A. Rogopoulos, S. Martinez, F. Schildermans, C. Radder, P. B. Hedlund, J. Cambier, M. Aabed, G. D. Jackson, P. Gasparini, P. Santacruz, J. Vandevivere, H. Dural, A. Mantel, W. Dorndorf, N. Ediboglu, A. Lofgren, J. Bogousslavsky, P. Thierauf, L. Goullard, R. Maserati, B. Moering, M. Ryba, J. Serra, G. G. Govan, A. Pascual-Leone, S. Schaeffer, M. R. Rosenfeld, A. P. Correia, K. Ray Chaudhuri, L. Campbell, R. Spreafico, B. Genetet, A. M. Tantot, R. A. G. Hughes, J. A. Vidal, G. Erkol, J. Y. Delattre, B. Yaqub, B. K. Hecht, E. Mayayo, Ph. Scheltens, J. Corral, M. Calaf, L. Henderson, C. Y. Li, U. Bogdahn, R. Sanchez-Roy, M. Navasa, J. Ballabriga, G. Broggi, T. Gudeva, C. Rose, J. Vion-Dury, J. A. Gastaut, J. Pniewski, Nicola J. Robertson, G. Kohncke, M. Billot, S. Gok, E. Castellli, F. Denktas, P. Bazzi, F. Spinelli, I. F. Moseley, C. D. Mardsen, B. Barbiroli, O. M. Koriech, A. Miller, Hiroaki Yoshikawa, F. X. Borruat, J. Zielasek, P. Le Coz, J. Pascual, A. Drouet, L. T. Giron, F. Schondube, R. Midgard, M. Alizadeh, M. Liguori, Lionel Ginsberg, L. Harms, C. Tilgner, G. Tognoni, F. Molteni, Mar Tintoré, M. Psylla, C. Goulon-Goeau, M. V. Aguilar, Massimo Filippi, K. H. Mauritz, Thomas V. Fernandez, C. Basset, S. Rossi, P. Meneses, B. Jandolo, T. Locatelli, D. Shechtcr, C. Magnani, R. Ferri, Bruno Dubois, J. M. Warier, S. Berges, F. Idiman, M. Schabet, R. R. Diehl, P. D'aurelio, M. Musior, Reinhard Hohlfeld, P. Smeyers, M. Olivé, A. Riva, C. A. Broere, N. Egund, S. Franceschetti, V. Bonavita, Nicola Canal, E. Timmermans, M. Ruiz, S. Barrandon, G. Vasilaski, B. Deweer, L. Galiano, S. F. T. M. de Bruijn, L. Masana, A. Goossens, B. Heye, K. Lauer, Heinz Gregor Wieser, Stephen R. Williams, B. Garavaglia, A. P. Sempere, F. Grigoletto, P. Poindron, R. Lopez-Pajares, I. Leite, T. A. McNell, C. Caucheteur, J. M. Giron, A. D. Collins, P. Freger, J. Sanhez Del Rio, D. A. Harn, K. Lindner, S. S. Scherer, G. Serve, M. Juncadella, X. Estivill, R. Binkhorst, M. Anderson, B. Tekinsoy, C. Sagan, T. Anastopoulos, G. Japaridze, S. Guillou, F. Erminio, Jon Sussman, P. G. Oomes, D. S. Rust, S. Mascheroni, O. Berger, M. Peresson, K. V. Toyka, T. W. Polder, M. Huberman, B. Arpaci, H. Ramtami, I. Martinez, Ph. Violon, P. P. Gazzaniga Pozzill, R. Ruda, P. Auzou, J. Parker, S. P. Morrissey, Jiahong Zhu, F. Rotondi, P. Baron, W. Schmid, P. Doneda, M. Spadaro, M. C. Nargeot, I. Banchs, J.S.P. van den Berg, R. Ferrai, M. Robotti, M. Fredj, Pedro M. Rodríguez Cruz, B. Erne, D. G. Piepgras, M. C. Arne-Bes, J. Escudero, C. Goetz, A. R. Naylor, M. Hallett, O. Abramsky, E. Bonifacio, L. E. Larsson, R. Pellikka, P. Valalentino, D. Guidetti, B. Buchwald, C. H. Lücking, D. Gauvreau, F. Pfaff, A. Ben Younes-Chennoufi, R. Kiefer, R. Massot, K. A. Hossmann, L. Werdelin, P. J. Baxter, U. Ziflo, S. Allaria, C. D. Marsden, M. Cabaret, S. P. Mueller, E. Calabrese, R. Colao, S. I. Bekkelund, M. Yilmaz, O. Oktem-Tanor, R. Gine, M. E. Scheulen, J. Beuuer, A. Melo, Z. Gulay, M. D. Have, C. Frith, D. Liberati, J. Gozlan, P. Rondot, Ch. Brunholzl, M. Pocchiari, J. Pena, L. Moiola, C. Salvadori, A. Cabello, T. Catarci, S. Webb, C. Dettmers, N. A. Gregson, Alexandra Durr, F. Iglesias, U. Knorr, L. Ferrini-Strambi, F. Kruggel, P. Allard, A. Coquerel, P. Genet, F. Vinuels, C. Oberwittler, A. Torbicki, P. Leffers, B. Renault, B. Fauser, C. Ciano, G. Uziel, J. M. Gibson, F. Anaya, C. Derouesné, C. N. Anagnostou, M. Kaido, W. Eickhoff, G. Talerico, M. L. Berthier, A. Capdevila, M. Alons, D. Rezek, E. Wondrusch, U. Kauerz, D. Mateo, M. A. Chornet, Holon, N. Pinsard, I. Doganer, E. Paoino, H. Strenge, C. Diaz, J. R. Brasic, W. Heide, I. Santilli, W. M. Korn, D. Selcuki, M. J. Barrett, D. Krieger, T. Leon, T. Houallah, M. Tournilhac, C. Nos, D. Chavot, F. Barbieri, F. J. Jimenez-Jimenez, J. Muruzabal, K. Poeck, A. Sennlaub, L. M. Iriarte, L. G. Lazzarino, C. Sanz, P. A. Fischer, S. D. Shorvon, R. Hoermann, F. Delecluse, M. Krams, O. Corabianu, F. H. Hochberg, Christopher J. Mathias, B. Debachy, C. M. Poser, L. Delodovici, A. Jimenez-Escrig, F. Baruzzi, F. Godenberg, D. Cucinotta, P. J. Garcia Ruiz, K. Maier-Hauff, P. R. Bar, R. Mezt, R. Jochens, S. Karakaneva, C. Roberti, E. Caballero, Joseph E. Parisi, M. Zamboni, T. Lacasa, B. Baklan, J. C. Gautier, J. A. Martinez-Matos, W. Pollmann, G. Thomas, L. Verze, E. Chleide, R. Alvarez Sala, I. Noel, E. Albuisson, O. Kastrup, S. I. Rapoport, H. J. Braune, H. Lörler, M. Le Merrer, A. Biraben, S. Soler, S. J. Taagholt, U. Meyding-Lamadé, K. Bleasdale-Barr, Isabella Moroni, Y. Campos, J. Matias-Guiu, G. Edan, M. G. Bousser, John B. Clark, J. Garcia de Yebenes, N. K. Olsen, P. Hitzenberger, S. Einius, Aj Thompson, Ch. J. Vecht, T. Crepin-Leblond, Klaus L. Leenders, A. Di Muzio, L. Georgieva, René Spiegel, K. Sabey, D. Ménégalli, J. Meulstee, U. Liszka, P. Giral, C. Sunol, J. M. Espadaler, A. D. Crockar, K. Varli, G. Giraud, P. J. Hülser, A. Benazzouz, A. Reggio, M. Salvatore, K. Genc, M. Kushnir, S. Barbieri, J. Ph. Azulay, M. Gianelli, N. Bathien, A. AlMemar, F. Hentati, I. Ragueneau, F. Chiarotti, R. C. F. Smits, A. K. Asbury, F. Lacruz, B. Muller, Alan J. Thompson, Gordon Smith, K. Schmidt, C. Daems Monpeun, Juergen Weber, A. Arboix, G. R. Fink, A. M. Cobo, M. Ait Kaci Ahmed, E. Gencheva, Israel-Biet, G. Schlaug, P. De Jonghe, Philip Scheltens, K. Toyka, P. Gonzalez-Porque, A. Cila, J. M. Fernandez, P. Augustin, J. Siclia, S. Medaglini, D. E. Ziogas, A. Feve, L. Kater, G. J. E. Rinkel, D. Leppert, Rüdiger J. Seitz, S. Ried, C. Turc-Carel, G. Smeyers, F. Godinho, M. Czygan, M. Rijntjes, E. Aversa, M. Frigo, Leif Østergaard, J. L. Munoz Blanco, A. Cruz-Matinez, J. De Reuck, C. Theillet, T. Barroso, V. Oikonen, Florence Lebert, M. Kilinc, C. Cordon-Cardon, G. Stoll, E. Thiery, F. Pulcinelli, J. Solski, M. Schmiegelow, L. J. Polman, P. Fernandez-Calle, C. Wikkelso, M. Ben Hamida, M. Laska, E. Kott, W. Sulkowski, C. Lucas, N. M. Bornstein, D. Schmitz, M. W. Lammers, A. de Louw, R. J. S. Wise, P. A. van Darn, C. Antozzi, P. Villanueva, P. H. E. Hilkens, C. Constantin, W. Ricart, A. Wolf, M. Gamba, P. Maguire, Alessandro Padovani, B. M. Patten, Marie Sarazin, H. Ackermann, L. Durelli, S. Timsit, Sebastian Jander, B. W. Scheithauer, G. Demir, J. P. Neau, P. Barbanti, A. Brand, N. AraÇ, V. Fischer-Gagnepain, R. Marchioli, G. Serratrice, C. Maugard-Louboutin, G. T. Spencer, D. Lücke, G. Mainardi, K. Harmant Van Rijckevorsel, G. B. Creel, R. Manzanares, Francesco Fortunato, A. May, J. Workman, K. Johkura, E. Fernandez, Carlo Colosimo, L. Calliauw, L. Bet, Félix F. Cruz-Sánchez, M. Dhib, H. Meinardi, F. Carrara, J. Kuehnen, C. Peiro, H. Lassmann, K. Skovgaard Olsen, A. McDonald, L. Sciulli, A. Cobo, A. Monticelli, B. Conrad, J. Bagunya, J. Benitez, V. Desnizza, B. Dupont, O. Delrieu, D. Moraes, J. J. Heimans, F. Garcia Rio, M. Matsumto, A. Fernandez, R. Nermni, R. Chalmers, M. J. Marchau, F. Aguado, P. Velupillai, P. J. Martin, P. Tassan, V. Demarin, A. Engelien, T. Gerriets, Comar, J. L. Carrasco, J. P. Pruvo, A. Lopez de Munain, D. Pavitt, J. Alarcon, Chris H. Polman, B. Guldin, N. Yeni, Hartmut Brückmann, N. Wilczak, H. Szwed, R. Causaran, G. Kyriazis, M. E. Westarp, M. Gasparini, N. Pecora, J. M. Roda, E. Lang, V. Scaioli, David R. Fish, D. Caputo, O. Gratzl, R. Mercelis, A. Perretti, G. Steimetz, I. Link, C. Rigoletto, A. Catafau, G. Lucotte, M. Buti, G. Fagiolari, A. Piqueras, C. Godinot, J. C. Meurice, Erodriguez J. Dominigo, F. Lionnet, H. Grzelec, David J. Brooks, P. M. G. Munro, F. X. Weilbach, M. Maiwald, W. Split, B. Widjaja-Cramer, V. Ozturk, J. Colas, E. Brizioli, J. Calleja, L. Publio, M. Desi, R. Soffietti, P. Cortinovis-Tourniaire, E. F. Gonano, G. Cavaletti, S. Uselli, K. Westerlind, H. Betuel, C. O. Dhiver, H. Guggenheim, M. Hamon, R. Fazio, P. Lehikoinen, A. Esser, B. Sadzot, G. Fink, Angelo Antonini, D. Bendahan, V. Di Carlo, G. Galardi, A. F. Boller, M. Aksenova, Del Fiore, V. de la Sayette, H. Chabriat, A. Nicoletti, A. Dilouya, M. L. Harpin, E. Rouillet, J. Stam, A. Wolters, M. R. Delgado, Eduardo Tolosa, G. Said, A. J. Lees, L. Rinaldi, A. Schulze-Bonhage, MA Ron, C. Lefebvre, E. W. Radü, R. Alvarez, M. L. Bots, P. Reganati, S. Palazzi, A. Poggi, N. J. Scolding, V. Sazdovitch, T. Moreau, E. Maes, M. A. Estelies, P. Petkova, Jose-Felix Marti-Masso, G De La Meilleure, N. Mullatti, M. Rodegher, N. C. Notermans, T. A. T. Warner, S. Aktan, J. P. Louboutin, L. Volpe, C. Scheidt, W. Aust, C. M. Wiles, U. Schneider, S. K. Braekken, W. R. Willems, K. Usuku, Peter M. Rothwell, C. Talamon, M. L. Sacchetti, A. Codina, M. H. Marion, A. Santoro, J. Roda, A. Bordoni, D. J. Taylor, S. Ertas, H. H. Emmen, J. Vichez, V. BesanÇon, R. E. Passingham, M. L. Malosio, A. Vérier, M. Bamberg, A. W. Hansen, E. Mostacero, G. Gaudriault, Marie Vidailhet, B. Birebent, K. Strijckmans, F. Giannini, T. Kammer, I. Araujo, J. Nowicki, E. Nikolov, A. Hutzelmann, R. Gherardi, J. Verroust, L. Austoni, A. Scheller, A. Vazquez, S. Matheron, H. Holthausen, J. M. Gerard, M. Bataillard, S. Dethy, V. H. Patterson, V. Ivanez, N. P. Hirsch, F. Ozer, M. Sutter, C. Jacomet, M. Mora, Bruno Colombo, A. Sarropoulos, T. H. Papapetropoulos, M. Schwarz, D. S. Dinner, N. Acarin, B. Iandolo, J. O. Riis, P. R. J. Barnes, F. Taroni, J. Kazenwadel, L. Torre, A. Lugaresi, I. L. Henriques, S. Pauli, S. Alfonso, Pedro Quesada, A. S. T. Planting, J. M. Castilla, Thomas Gasser, M. Van der Linden, A. Alfaro, E. Nobile-Orazio, G. Popova, W. Vaalburg, F. G. A. van der Mech, L. Williams, F. Medina, J. P. Vernant, J. Yaouanq, B. Storch-Hagenlocher, A. Potemkowski, R. Riva, M. H. Mahagne, M. Ozturk, Ve. Drory, N. Konic, C. Jungreis, A. Pou Serradell, J. L. Gauvrit, G. J. Chelune, S. Hermandez, T. Dingus, L. Hewer, Ch. Koch, M. N. Metz-Lutz, G. Parlato, M. Sinaki, Charles Pierrot-Deseilligny, H. C. Diener, J. Broeckx, J. Weill-Fulazza, M. L. Villar, M. Rizzo, O. Ganslandt, C. Duran, N. A. Fletcher, G. Di Giovacchino, Susan T. Iannaccone, C. Kolig, N. Fabre, H. A. Crockard, Rita Bella, M. Tazir, E. Papagiannuli, K. Overgaard, Emma Ciafaloni, I. Lorenzetti, F. Viader, P. A. H. Millac, I. Montiel, L. H. Visser, M. Palomar, P. L. Murgia, H. Pedersen, Rafael Blesa, S. Seddigh, W. O. Renier, I. Lemahieu, H. M. L. Jansen, L. Rosin, J. Galofre, K. Mattos, M. Pondal, G. M. Hadjigeorgiou, D. Francis, L. Cantin, D. Stegeman, M. Rango, A. B. M. F. Karim, S. Schraff, B. Castellotti, I. Iriarte, E. Laborde, T. J. Tjan, R. Mutani, D. Toni, B. Bergaasco, J. G. Young, C. Klotzsch, A. Zincone, X. Ducrocq, M. Uchuya, O. J. Kolar, A. Quattrone, T. Bauermann, Nereo Bresolin, J. Vallée, B. C. Jacobs, A. Campos, Werner Poewe, J. A. Villanueva, A. W. Kornhuber, A. Malafosse, E. Diez-Tejedor, G. Jungreia, M. J. A. Puchner, A. Komiyama, O. Saribas, V. Volpini, L. Geremia, S. Bressi, A. Nibbio, Timothy E. Bates, T. z. Tzonev, E. Ideman, G. A. Damlacik, G. Martino, G. Crepaldi, T. Martino, Kjell Någren, E. Idiman, D. Samuel, J. M. Perez Trullen, Y. van der Graaf, J. O. Thorell, M. J. M. Dupuis, E. Sieber, R. D'Alessandro, C. Cazzaniga, J. Faiss, A. Tanguy, A. Schick, I. Hoksergen, A. Cardozo, R. Shakarishvili, G. K. Wennlng, J. L. Marti-Vilalta, J. Weissenbach, I. L. Simone, Amalia C. Bruni, Darius J. Adams, C. Weiller, A. Pietrangeli, F. Croria, C. Vigo-Pelfrey, Patricia Limousin, A. Ducros, G. Conti, O. Lindvall, E. Richter, M. Zuffi, A. Nappo, T. Riise, J. Wijdenes, M. J. Fernandez, J. Rosell, P. Vermersh, S. Servidei, M. S. C. Verdugo, F. Gouttiere, W. Solbach, M. Malbezin, I. S. Watanabe, A. Tumac, W. I. McDonald, D. A. Butterfield, P. P. Costa, F. deRino, F. Bamonti, J. M. Cesar, C. H. Lahoz, I. Mosely, M. Starck, M. H. Lemaitre, K. M. Stephan, S. Tex, R. Bokonjic, I. Mollee, L. Pastena, M. Gutierrez, F. Boiler, M. C. Martinez-Para, M. Velicogna, O. Obuz, A. Grinspan, M. Guarino, L. M. Cartier, E. Ruiz, D. Gambi, S. Messina, M. Villa, Michael G. Hanna, J. Valk, Leone Pascual, M. Clanet, Z. Argov, B. Ryniewicz, E. Magni, B. Berlanga, K. S. Wong, C. Gellera, C. Prevost, F. Gonzalez-Huix, R. Petraroli, J. E. G. Benedikz, I. Kojder, C. Bommelaer, L. Perusse, M. R. Bangioanni, Guy M. McKhann, A. Molina, C. Fresquet, E. Sindern, Florence Pasquier, M. J. Rosas, M. Altieri, O. Simoncini, M. Koutroumanidis, C. A. F. Tulleken, M. Dary-Auriol, S. Oueslati, H. Kruyer, I. Nishisho, C. R. Horning, A. Vital, G. V. Czettritz, J. Ph. Neau, B. Mihout, A. Ameri, M. Francis, S. Quasthoff, D. Taussig, S. Blunt, P. Valentin, C. Y. Gao, O. Heinzlef, H. d'Allens, C. Coudero, M. Erfas, G. Borghero, P. J. Modrego Pardo, M. C. Patrosso, N. L. Gershfeld, P. A. J. M. Boon, O. Sabouraud, M. Lara, J. Svennevig, G. L. Lenzi, A. Barrio, H. Villaroya, JosÇ M. Manubens, O. Boespflug-Tanguy, M. Carreras, D. A. Costiga, J. P. Breux, S. Lynn, C. Oliveras Ley, A. G. Herbaut, J. Nos, C. Tornali, Y. A. Hekster, J. L. Chopard, J. M. Manubens, P. Chemouilli, A. Jovicic, F. Dworzak, S. Smirne, S. E. Soudain, B. Gallano, D. Lubach, G. Masullo, G. Izquierdo, A. Pascual Leone Pascual, A. Sessa, V. Freitas, O. Crambes, L. Ouss, G. W. Van Dijk, P. Marchettini, P. Confalonieri, M. Donaghy, A. Munnich, M. Corbo, and M. E. L. van der Burg
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Neurology ,business.industry ,Media studies ,Library science ,Medicine ,Neurology (clinical) ,business - Published
- 1994
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5. The dipole density plot (DDP), a technique to show concentrations of dipoles
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E. Weise, H Kober, S Friedrich, A. Daun, G Sack, A Moeger, and J. Vieth
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Physics ,Brain Diseases ,Brain Mapping ,medicine.diagnostic_test ,Physiology ,Biomedical Engineering ,Biophysics ,Magnetoencephalography ,Density estimation ,Brain mapping ,Dipole ,Nuclear magnetic resonance ,Physiology (medical) ,medicine ,Humans ,Volume (compression) - Abstract
To analyse spontaneous multichannel slow-wave MEG activity a tool was developed to extract focal abnormal activity with a higher spatial dipole density across time. The first version works on discrete volume units, the second version avoids a possible location error, works continuously and can be adjusted for individual slices three-dimensionally. The first version is used for screening and the second version is used to go into more detail. The dipole density plot (DDP) is not limited to single foci, nor to the single-dipole model; neither is it limited to the MEG. The DDP seems to be a valuable tool for detecting and locating lesions three-dimensionally within the brain.
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- 1993
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6. Dimension and entropy analysis of MEG time series from human ?-rhythm
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J. Vieth, Helmut Kober, H.-R. Blank, P. Grummich, J. Heindl, R. Sporer, M. Geiger, M. Frank, W. Kreische, S. Poscher, and M. Kaltenhäuser
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Physics ,Correlation dimension ,medicine.diagnostic_test ,Magnetometer ,Physics::Medical Physics ,Spurious correlation ,Magnetoencephalography ,Condensed Matter Physics ,Electronic, Optical and Magnetic Materials ,law.invention ,Correlation ,Nuclear magnetic resonance ,law ,Phase space ,medicine ,Entropy (information theory) ,General Materials Science ,Statistical physics ,Curse of dimensionality - Abstract
Magnetoencephalograms (MEG) from human brain were measured by means of a 37 channel SQUID magnetometer (KRENIKON). Correlation integrals were calculated from time series exhibiting strong α-rhythm in order to give estimates of correlation dimension andK 2 entropy. The results are discussed regarding the length and the stationarity of the data. It is shown that low spurious correlation dimensions andK 2-entropies may easily be obtained as artefacts due to time correlations in phase space and data length. When time correlations are avoided and the length of time series is taken into account, estimates of correlation dimension andK 2 entropy indicate no evidence of the existence of low dimensionality.
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- 1993
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7. Multiplication in vitro de quelques iris à partir de raciness: aspects histologiques de l'embryogenèse somatique
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C. Morisset, G. Laublin, J. Vieth, and M. Cappadocia
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Iridaceae ,Somatic embryogenesis ,Micropropagation ,fungi ,Botany ,food and beverages ,Plant Science ,Biology - Abstract
A histo-morphological investigation of indirect somatic embryogenesis was conducted on three species of Iris. The formation of "calli I" or propagules appears somewhat like a root ramification. It is initiated in the pericycle, facing one of the xylem bundles. Fully developed, this so-called callus I differs from a rootlet by its size as well as by the complete absence of an apical meristem and the quasi absence of a root cap. In terms of external and internal structures, it is different from the typical callus of other plants as well as the callus II of Iris. The latter becomes granular on the surface and is internally parenchymatous. This type of callus has an irregular growth that suggests unequal activity of a lateral meristem. This meristem is covered by a discontinuous plectenchyma or pseudoparenchyma of variable thickness that is cytologically heterogeneous. Most of the initial cells of somatic proembryos and embryoids develop in this pseudoparenchyma, of which some fragments remain attached to the embryoids until their development is complete. Key words : Iris, roots, micropropagation, indirect somatic embryogenesis, histology.
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- 1992
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8. New approach to localize speech relevant brain areas and hemispheric dominance using spatially filtered magnetoencephalography
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H, Kober, M, Möller, C, Nimsky, J, Vieth, R, Fahlbusch, and O, Ganslandt
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Adult ,Male ,Brain Mapping ,Time Factors ,Brain ,Magnetoencephalography ,Articles ,Middle Aged ,Functional Laterality ,Temporal Lobe ,Frontal Lobe ,nervous system ,Evoked Potentials, Visual ,Humans ,Speech ,Female ,Aged - Abstract
We used a current localization by spatial filtering‐technique to determine primary language areas with magnetoencephalography (MEG) using a silent reading and a silent naming task. In all cases we could localize the sensory speech area (Wernicke) in the posterior part of the left superior temporal gyrus (Brodmann area 22) and the motor speech area (Broca) in the left inferior frontal gyrus (Brodmann area 44). Left hemispheric speech dominance was determined in all cases by a laterality index comparing the current source strength of the activated left side speech areas to their right side homologous. In 12 cases we found early Wernicke and later Broca activation corresponding to the Wernicke‐Geschwind model. In three cases, however, we also found early Broca activation indicating that speech‐related brain areas need not necessarily be activated sequentially but can also be activated simultaneously. Magnetoencephalography can be a potent tool for functional mapping of speech‐related brain areas in individuals, investigating the time‐course of brain activation, and identifying the speech dominant hemisphere. This may have implications for presurgical planning in epilepsy and brain tumor patients. Hum. Brain Mapping 14:236–250, 2001. © 2001 Wiley‐Liss, Inc.
- Published
- 2001
9. Functional and metabolic analysis of cerebral ischemia using magnetoencephalography and proton magnetic resonance spectroscopy
- Author
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K, Kamada, M, Saguer, M, Möller, K, Wicklow, M, Katenhäuser, H, Kober, and J, Vieth
- Subjects
Adult ,Male ,Magnetic Resonance Spectroscopy ,Humans ,Magnetoencephalography ,Female ,Middle Aged ,Protons ,Aged ,Brain Ischemia - Abstract
The details of the relationship between brain function and metabolism in brain infarcts have not been studied. Using magnetoencephalography (MEG) and proton magnetic resonance spectroscopic imaging (1H MRSI), we localized sources of abnormal magnetic activities in ischemic brain regions and biochemical changes in suspected lesions showing pathological characteristics. Twelve patients with ischemic stroke were examined and the results of MEG and 1H MRSI were superimposed onto the corresponding MR images. The signal intensities of N-acetyl (NA) and lactate (Lac) were measured in the lesions with highly concentrated dipoles of slow wave activity. Eleven of 12 cases had increased slow wave activity in the cortical areas adjacent to the infarcts; 1 case was excluded because the infarct was too small (1 cm in diameter). The signal intensity of NA in the regions with the highest slow wave activity was significantly reduced and was well correlated with the dipole density of slow waves. Though Lac was mildly accumulated in the lesions, the Lac level had no correlation with slow wave magnetic activity. The remaining and metabolically active cortical tissue showing NA signal produced the abnormal slow wave activity under lactic acidosis (mild accumulation of Lac).
- Published
- 1997
10. Combined study of ischemic brain conditions using magnetencephalography and proton magnetic resonance spectroscopy imaging
- Author
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Mark Saguer, K. Wicklow, Kyousuke Kamada, Martin Kaltenhäuser, Helmut Kober, Martin Möller, and J. Vieth
- Subjects
Adult ,Male ,Relaxometry ,Brain Mapping ,Materials science ,Magnetic Resonance Spectroscopy ,Biomedical Engineering ,Cerebral Infarction ,Middle Aged ,Synaptic Transmission ,Proton magnetic resonance ,Brain Ischemia ,Nuclear magnetic resonance ,Ischemic brain ,Humans ,Female ,Spectroscopy ,Energy Metabolism ,Aged - Published
- 1997
11. SEF-MEG localization of somatosensory cortex as a method for presurgical assessment of functional brain area
- Author
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O, Ganslandt, D, Ulbricht, H, Kober, J, Vieth, C, Strauss, and R, Fahlbusch
- Subjects
Brain Diseases ,Electromagnetic Fields ,Evoked Potentials, Somatosensory ,Movement ,Physical Stimulation ,Sensation ,Brain ,Humans ,Magnetoencephalography ,Somatosensory Cortex - Published
- 1996
12. Sources of spontaneous slow waves associated with brain lesions, localized by using the MEG
- Author
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Helmut Kober, P. Grummich, and J. Vieth
- Subjects
Physics ,Brain Mapping ,Radiological and Ultrasound Technology ,medicine.diagnostic_test ,Spatial filter ,Brain activity and meditation ,Physics::Medical Physics ,Coordinate system ,Brain ,Magnetic resonance imaging ,Electroencephalography ,Signal ,Brain mapping ,Dipole ,Magnetics ,Nuclear magnetic resonance ,Neurology ,Brain Injuries ,medicine ,Image Processing, Computer-Assisted ,Humans ,Radiology, Nuclear Medicine and imaging ,Neurology (clinical) ,Anatomy - Abstract
Electric or magnetic slow wave brain activity can be associated with brain lesions. For an accurate source localization we transformed the magnetoencephalographic (MEG) coordinate system to the magnetic resonance imaging (MRI) system by using a surface fit of the digitally measured head surface and the reconstructed surface of the MRI scan. Furthermore we solved the problem to separate sources of focal activity from other multiple sources by introducing a spatial average, the Dipole Density Plot (DDP). The DDP shows in a quantified manner concentrations of dipoles across time. The DDP uses the single dipole model adequately, because only those signal sections will be analyzed, where one component contributes to the signal predominantly. In all cases, where multiple sources concurrently active are to be localized, a current distribution analysis will be used, the Current Localization by Spatial Filtering (CLSF). All source localization procedures were tested using structural brain lesions, which were verified by imaging techniques (MRI or CT), showing the results in close topographical relation to the lesions. The results so far let us assume, that the DDP and the CLSF are valuable tools to localize sources of focal spontaneous slow wave electrical brain activity.
- Published
- 1996
13. Health care professionals' accuracy in predicting patients' preferred code status
- Author
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B A, Morris, S E, Van Niman, T, Perlin, K S, Lucic, J, Vieth, K, Agricola, and M K, McMurry
- Subjects
Male ,Health Personnel ,Decision Making ,Institutionalization ,Patient Acceptance of Health Care ,Long-Term Care ,United States ,Heart Arrest ,Nursing Homes ,Activities of Daily Living ,Chronic Disease ,Humans ,Female ,Probability ,Resuscitation Orders - Abstract
In spite of the emphasis on physician and patient communication in the new guidelines for the use of do-not-resuscitate orders published by the American Medical Association, informal information indicates that physicians and other health care professionals often formulate code status decisions without formal knowledge of the patient's wishes. The purpose of this study was to determine how accurately health care professionals are able to predict a patient's desired code status given a profile of the patient's medical history.A consecutive sample of physicians and other health care professionals attending on-site primary care and long-term rehabilitation staff meetings were asked to participate in the study. Subjects read profiles of actual patients and attempted to predict the patients' desired code status. Subjects also highlighted factors of the patient profile that they deemed important in predicting each patient's desired code status.For the 12 patient profiles examined, the respondents accurately estimated patients' desired code status an average of only 6.5 times. Patient ability to perform the basic activities of daily living was the patient profile factor cited most frequently as influential in determining code status.Given only clinical and demographic data, health care professionals are only slightly better than chance in determining patients' desired code status. Health care professionals working with long-term care patients should become familiar with individual patient's values and desires for code status decisions.
- Published
- 1995
14. Beta- und Theta/Delta-Schwerpunkte bei strukturellen neuronalen und Faserhirnläsionen, lokalisiert mit Hilfe der Magnetoenzephalographie (MEG)
- Author
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J. Vieth, P. Grummich, Helmut Kober, D. Ulbricht, and H. Pongratz
- Abstract
Kurzlich konnten wir und andere zeigen, das die Quellen spontaner langsamer magnetischer Aktivitat bei kortikalen Lasionen schalenformig um die Lasion angeordnet sind (Vieth et al. 1992; Gallen et al. 1992). Vergleichbare Untersuchungen hinsichtlich spontaner fokaler Beta-Aktivitat (12,5–30 Hz) oder der pathologischen Spontanaktivitat bei Marklagerlasionen wurden unseres Wissens bisher nicht unternommen. Wir untersuchten daher die pathologische Spontanaktivitat im Beta-Frequenzbereich bei Lasionen des Kortex und des Marklagers im Vergleich mit der langsamen magnetischen Aktivitat (2–6 Hz). Die Frage war, wie eng die Schwerpunkte von Beta-Aktivitat mit kortikalen Lasionen zusammenhangen und mit denen der langsamen Aktivitat ubereinstimmen, und wo andererseits sich pathologische Aktivitat bei Marklagerlasionen zeigt.
- Published
- 1995
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15. 229 Impact of Sex and Ethnicity of Patient and Physician Provider on Pain Medication Usage in Emergency Department Patients With Long Bone Fractures
- Author
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D.P. Milzman, J. Vieth, A. Napoli, and B. Dirkes
- Subjects
medicine.medical_specialty ,medicine.anatomical_structure ,business.industry ,Long bone ,Emergency medicine ,Pain medication ,Emergency Medicine ,medicine ,Ethnic group ,Medical emergency ,Emergency department ,medicine.disease ,business - Published
- 2011
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16. Solvent-dependent two-dimensional coordination networks of CuI and bridging triazolopyrimidines
- Author
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M. Quirós, J. Vieth, Antonio Rodríguez-Diéguez, A.B. Caballero, J.M. Salas, and C. Janiak
- Subjects
Solvent ,Bridging (networking) ,Materials science ,Structural Biology ,Polymer chemistry - Published
- 2011
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17. [Functional imaging of the brain. Magnetoencephalography (MEG)]
- Author
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W J, Huk and J, Vieth
- Subjects
Brain ,Humans ,Magnetoencephalography - Abstract
Magnetencephalography (MEG) is a new diagnostic tool for the exact localization of the biomagnetic sources of the electrical activity of the brain. The extremely weak magnetic fields are generated by the postsynaptic activity of the neurons, acting like current dipoles. They are measured with a SQUID (superconducting quantum interference device). Only the tangential components of the dipoles contribute to the measurable field outside the head. For MEG localization of sources, the brain is modelled as a sphere of homogeneous electrical conductivity, the center of which is fitted to MR images of the head. As a model of the current sources a one- or two-dipole model is used. For the analysis of more complex sources, however, a principle component analysis (PCA) should be performed before the dipole analysis, or the current-density distribution should be used. The effect of background activity can be eliminated by alpha wave filtering and the dipole-density plot (DDP), which also increases the signal/noise ratio. MEG seems to be useful in purely functional lesions of the brain. A final decision on the value of MEG for routine diagnosis is not yet possible, however.
- Published
- 1993
18. Comparison of Single-Channel and Multichannel Magnetoencephalogram Recordings
- Author
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J. Vieth
- Subjects
Physics ,Channel (digital image) ,medicine.diagnostic_test ,Magnetometer ,Electroencephalography ,Evoked magnetic fields ,Epileptic activity ,Magnetic field ,law.invention ,SQUID ,Nuclear magnetic resonance ,law ,Quantum interference ,medicine - Abstract
The neuronal intracellular currents which produce magnetic fields (Okada 1989; Wikswo et al. 1981) can be detected outside the head by a sensitive magnetometer, the SQUID (super conducting quantum interference device) (Zimmerman et al. 1970). The record of the spontaneous or evoked magnetic fields is called the magnetoencephalogram (MEG) and of the electric recording, the electroencephalogram (EEG). The main difference between EEG and MEG is that the magnetic field of the MEG – in contrast to the EEG – is almost never influenced by the different conductivities of different tissues, such as brain, cerebrospinal fluid, or bone (Peters and de Munck 1990); thus the MEG has advantages over the EEG.
- Published
- 1993
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19. Estimates of brain activity using magnetic field tomography in a GO/NOGO avoidance paradigm
- Author
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A. Daun, J. Vieth, John Lumsden, Helmut Kober, A.A. Ioannides, P. Grummich, George W. Fenton, and P.B.C. Fenwick
- Subjects
medicine.medical_specialty ,Brain Mapping ,Neurology ,Radiological and Ultrasound Technology ,Brain activity and meditation ,Late response ,Brain ,Magnetoencephalography ,Signal Processing, Computer-Assisted ,Task engagement ,Stimulus (physiology) ,Acoustic Stimulation ,medicine ,Reaction Time ,Humans ,Radiology, Nuclear Medicine and imaging ,Neurology (clinical) ,Anatomy ,Psychology ,Neuroscience ,Brain function - Abstract
This paper presents the first estimates of three dimensional evolution of activity in the brain associated with a GO/NOGO avoidance (CNV) paradigm. These estimates are continuous probabilistic solutions (Ioannides et al. 1990) to the biomagnetic inverse problem, obtained from averaged multichannel magnetoencephalographic (MEG) recordings (Vieth et al. 1991). The emphasis here is placed on the comparison of the activity associated with the GO and NOGO conditions; estimates of activity are shown for the onset of warning stimulus (S1), the early response half a second after S1, the late response lasting for over one second before S2 (the time between S1 and S2 is 3.5 seconds) and the onset of the imperative stimulus (S2). We find responses in regions of the brain implicated with hearing the stimulus, task engagement and motor output. Differences in the images corresponding to GO and NOGO conditions are significant because they reflect differences in brain function when a motor response is required or must be inhibited.
- Published
- 1993
20. [3-dimensional localization of focal biomagnetic sources in the brain, feasibility and limitations]
- Author
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J, Vieth
- Subjects
Ischemic Attack, Transient ,Humans ,Magnetoencephalography ,Electroencephalography ,Epilepsies, Partial - Published
- 1992
21. [Localization accuracy of biomagnetic signals]
- Author
-
J, Vieth
- Subjects
Alpha Rhythm ,Brain Diseases ,Brain ,Humans ,Magnetoencephalography - Published
- 1991
22. Gerbera jamesonii H. Bolus ex Hook: In Vitro Production of Haploids
- Author
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M. Cappadocia and J. Vieth
- Subjects
Gerbera ,Intraspecific breeding ,biology ,Hook ,business.industry ,Botany ,Gerbera jamesonii ,Herbaceous plant ,biology.organism_classification ,business ,Biotechnology - Abstract
The genus Gerbera(Compositae), established in 1737 by Gronovius, counts today about 45 herbaceous species of perennials that occur mainly in South Africa and Asia (Bowe et al. 1979). The best known among these species and the only one to be horticulturally important is G. jamesonii. This species was discovered in 1878 by the Austrian botanist Rehmann in the Transvaal and was so named by Bolus after the English botanist Jameson (Bowe et al. 1979). Nowadays, the species is also known under the name of lTansvaal daisy. Its first official description was given by Hooker, although Bolus had already described it in a short note (Bowe et al. 1979). The sample studied by Hooker was sent to Kew in 1888, where the plant flowered the following year. In 1891, Lynch, curator of the Cambridge Botanic Garden crossed G. jamesonii H. Bolus ex Hook with another species, G. viridijolia Schultz Bip and the hybrid progeny was designated as G. × cantabrigiensis, a name soon abandoned (Bowe et al. 1979). From that moment, most of the records are lost on the crosses performed on Gerbera jamesonii, although it is well established that the development of the present forms of Gerbera is essentially due to intraspecific breeding, and other species do not seem to have contributed to the development of the modern varieties
- Published
- 1990
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23. State of the multichannel magnetoencephalography
- Author
-
J. Vieth
- Subjects
Electromagnetic field ,Physics ,Signal processing ,medicine.diagnostic_test ,Brain activity and meditation ,Biomedical Engineering ,Brain ,Magnetoencephalography ,Brain Edema ,Signal Processing, Computer-Assisted ,State (functional analysis) ,Density estimation ,Dipole ,Nuclear magnetic resonance ,Electromagnetic Fields ,Microcomputers ,medicine ,Humans ,Communication channel ,Cerebral Hemorrhage - Abstract
It could be demonstrated in many investigations with single- or several- channel magnetic recording instruments that, a focal pathological source could be located mainly in close connection to verified brain lesions. Our experience with a 37- channel instrument did support these results. In addition, we had available the whole dynamics of the brain activity in time and space, but it must be considered, that the pathological activity is mixed more or less with the background activity. One simple method to separate partly both activities is the "dipole density plot" (DDP), which concentrates the density of dipoles in areas of focal pathological activity.
- Published
- 1990
24. Three dimensional localization of the pathological area in cerebro-vascular accidents with multichannel magnetoencephalography
- Author
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P. Grummich, Helmut Kober, Siegfried Schneider, G. Sack, Oliver Ganslandt, Uta Kerber, Klaus Abraham-Fuchs, Thomas Schmidt, and J. Vieth
- Subjects
medicine.diagnostic_test ,business.industry ,Brain Neoplasms ,Biomedical Engineering ,Magnetoencephalography ,Signal Processing, Computer-Assisted ,Cerebral Infarction ,Cerebro ,Diagnosis, Differential ,Ischemic Attack, Transient ,Medicine ,Humans ,business ,Pathological ,Neuroscience - Published
- 1990
25. 5-07-29 Functional and metabolic analysis of cerebral infarction by spontaneous meg and 1H MR spectroscopy
- Author
-
Kyousuke Kamada, J. Vieth, Mark Saguer, Martin Moeller, Karsten Wicklow, and Helmut Kober
- Subjects
1h nmr spectroscopy ,medicine.medical_specialty ,Neurology ,Cerebral infarction ,business.industry ,medicine ,Neurology (clinical) ,Radiology ,medicine.disease ,Nuclear medicine ,business - Published
- 1997
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26. Precise Pre- and Intraoperative Assessment of Functional Cortex by Magnetoencephalography (MEG)
- Author
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Ralf Steinmeier, Jan Kassubek, R. Hopfengärtner, Helmut Kober, J. Vieth, Peter Sörös, Oliver Ganslandt, Christoph Stippich, and Kyousuke Kamada
- Subjects
medicine.anatomical_structure ,medicine.diagnostic_test ,business.industry ,Cortex (anatomy) ,Biomedical Engineering ,medicine ,Magnetoencephalography ,business ,Neuroscience - Published
- 1996
- Full Text
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27. State of the art and future of clinical magnetocardiography
- Author
-
K. Brachmann, H Stefan, H STEFAN, J. Vieth, Fenici, Riccardo, Melillo, G, Masselli, M., Fenici, Riccardo (ORCID:0000-0002-4664-2653), K. Brachmann, H Stefan, H STEFAN, J. Vieth, Fenici, Riccardo, Melillo, G, Masselli, M., and Fenici, Riccardo (ORCID:0000-0002-4664-2653)
- Abstract
N/A
- Published
- 1992
28. FOCAL SPONTANEOUS BETA WAVE ACTIVITTY LOCALIZED CLOSE TO STRUCTURAL BRAIN LESIONS
- Author
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D. Ulbricht, J. Vieth, P. Grummich, Helmut Kober, and H. Pongratz
- Subjects
Pathology ,medicine.medical_specialty ,business.industry ,Biomedical Engineering ,Brain lesions ,Medicine ,Beta wave ,business - Published
- 1993
- Full Text
- View/download PDF
29. Localization of the Underlying Currents of Magnetic Brain Activity using Spatial Filtering
- Author
-
Helmut Kober, J. Vieth, and P. Grummich
- Subjects
Physics ,Spatial filter ,Brain activity and meditation ,Biomedical Engineering ,Biological system - Published
- 1992
- Full Text
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30. MAGNETOENCEPHALOPGRAPHY, A METHOD TO LOCALIZE CLINICALLY SILENT TRANSIENT ISCHEMIC ATTACKS (TIA) USING AN IMPROVED DIPOLE-DENSITY-PLOT
- Author
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G. Sack, J. Vieth, H. Pongratz, S Friedrich, E. Weise, P. Grummich, A Moeger, and Helmut Kober
- Subjects
Physics ,Dipole ,Nuclear magnetic resonance ,Biomedical Engineering ,Density estimation ,Transient (oscillation) - Published
- 1991
- Full Text
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31. HISTOLOGIE DU PÉDONCULE INFLORESCENTIEL DE GERBERA JAMESONII
- Author
-
J. Vieth and M.-A. Dubuc-Lebreux
- Subjects
Horticulture ,Gerbera jamesonii ,Plant Science ,Biology ,biology.organism_classification ,Cartography - Abstract
SUMMARY The inflorescential axis of Gerbera jamesonii is a determined one, not fully differentiated when growers cut the flowers. A region located 10 cm below the capitulum is very sensitive to “stem break”. Histology of this axis has been studied. Three different levels have been analysed: A, under the capitulum; B, 10 cm below the capitulum; C, half. way on the axis. Among the principal characteristics observed are a very important medullary parenchyma, a morphological endodermis, a half girdle of sclerenchyma under the capitulum and a full girdle of sclerenchyma in the mature zone. The distribution of the different tissues allows us to link the bending to the deficiency in supportive elements, typical of certain cultivars and of certain developmental stages. RESUME Le pedoncule de Gerbera jamesonii est un axe determine, dont la differenciation est incomplete lors du prelevement des inflorescences par les producteurs de fleurs coupees. Une region localisee a 10 cm sous le capitule est particulierement fragile et sujette aux cassures. L'histologie du pedoncule a ete etudiee a trois niveaux: A, sous le capitule; B, a 10 cm plus bas; C, a mi-longueur de l'axe. Des approches qualitative et quantitative ont ete utilisees. Les principales caracteristiques histologiques decrites sont: parenchyme medullaire important, endoderme morphologique, demi-gaine de sclerenchyme sous le capitule, gaine complete de sclerenchyme dans la region mature. De plus, la repartition des differents types de tissus a permis de relier le probleme de pliure a une deficience en elements de soutien, chez certains cultivars et a certains stades de developpement.
- Published
- 1985
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32. ETUDE HISTOLOGIQUE DE LA BIGARRURE NERVALE, DE LA GRISELURE DU LIMBE ET DE LA MEDIANE NOIRE, TROIS DESORDRES DU CHOU EN ENTREPOT
- Author
-
M. A. Dubuc-Lebreux, L. S. Bérard, and J. Vieth
- Subjects
biology ,Epidermis (botany) ,Histology ,Plant Science ,Horticulture ,biology.organism_classification ,Molecular biology ,Staining ,Suberin ,Cytology ,Botany ,Pepper ,Parenchyma ,Brassica oleracea ,Agronomy and Crop Science - Abstract
The evolution in storage of three physiological disorders of cabbage (Brassica oleracea var. capitata) has been studied by means of histological tests done in situ or after fixation and staining. The tissues tested were sampled on necrotic and healthy parts from the three outer-head leaves of the susceptible cv. Safekeeper and of the resistant cv. Hitoma. The tissues affected by vein streaking, grey speck disease or black midrib showed a similar response to the many tests: the absence of lipids, lignin and suberin in the necrotic cells, but the presence of unidentified phenolic compounds, concomitantly with a modification of birefringence of the cell wall and an alteration of the cytoplasmic matrix. Vein streaking is associated with creases on the adaxial epidermis of the midrib, grey speck disease with abundant wax on the abaxial blade, and black midrib with large vesicles in the necrotic parenchyma cells of the midrib.Key words: Brassica oleracea var. capitata, chemical composition, cytology, pepper spot, physiological disorder, storage
- Published
- 1987
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33. Die Magnetoenzephalographie, eine neue funktionsdiagnostische Methode
- Author
-
J. Vieth
- Subjects
Physiology (medical) ,Neurology (clinical) - Published
- 1984
- Full Text
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34. Contribution à la tératologie des Chèvrefeuilles et au problème des fusions. III. Association de cymules biflores par gamophyllie ontogénique
- Author
-
M. Lamond and J. Vieth
- Subjects
Botany ,Plant Science ,Biology ,Insertion point ,Junction area - Abstract
In this paper, the authors describe the main features of more than 100 teratological samples spontaneously produced, during the past 5 years, by the hybrid No. 6488-37 of the Montreal Botanical Garden's collection of honeysuckles. The unusual appearance of all these specimens is due to the union, by gamophylly, of flowering twigs, which are most often inserted in foliar axils vertically separated by a well-developed internode.The constant position of the united flowering twigs' insertion point on the main axis of all these samples, the normal or subnormal morphological and anatomical structure of those twigs, and the very small junction area (maximum length 500 μm) of their fused leaves, as also the relative initial position, and (or) the time interval between the respective periods of initiation of the united organs, indicate (1) that these gamophyllies undoubtedly have an ontogenetic or postgenital origin and (2) that the adhesion of the fused foliar areas must have occurred during the intensive intercalary growth of the flowering branches.The histocytological study of areas of gamophylly of the samples shows also that the intimate fusion of the leaves' parts, accidentally brought together, is generally accompanied by a local cellular dedifferentiation and an intensive cell proliferation. The first of these phenomena would correspond in a way to a contact allergy, whereas the second would result from injuries.
- Published
- 1975
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35. Contribution à la tératologie des Chèvrefeuilles et au problème des fusions. II. La concaulescence
- Author
-
J. Vieth and M. Lamond
- Subjects
biology ,Botany ,Plant Science ,biology.organism_classification ,Honeysuckle - Abstract
This paper is mainly concerned with the anatomical and morphological features of over 15 teratological samples of honeysuckle showing diverse types of "concaulescence."Most frequently, "concaulescence" is the only abnormality present and three different morphological–anatomical types of adnation may be distinguished. (1) The adnated sprigs (hypopodia) are attached to the main axis by a narrow strip of cortex; both the sprig gap and the seriated buds are located at their usual level. (2) The vascular bundles of the adnated axes separate themselves progressively, and frequently there is no seriated bud at the axil of the adnated sprigs. (3) The lateral sprigs remain closely fused with the main axis until they free themselves abruptly and then the seriated buds appear at the free axil.Studies of the other samples are complicated by the occurrence of some phyllotaxic anomalies below the adnation area. Among these anomalies the most frequent are (1) the vertical displacement between the opposite petiole insertion area of the node and (2) the stretching of the foliar bases and the accompanying sessile leaves at this abnormal node.
- Published
- 1974
- Full Text
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36. LOCALISATION AND MEASURE OF VEIN STREAKING IN STORED CABBAGE
- Author
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J. Vieth, L.S. Bérard, and C. Morisset
- Subjects
medicine.medical_specialty ,medicine.anatomical_structure ,business.industry ,medicine ,Measure (physics) ,Anatomy ,Horticulture ,Vein ,business ,Streaking ,Surgery - Published
- 1985
- Full Text
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37. The action of blood pressure on the ascending reticular activating system with special reference to adrenaline-induced EEG arousal
- Author
-
H. Niemczyk, W. Baust, and J. Vieth
- Subjects
Gynecology ,medicine.medical_specialty ,Epinephrine ,Reticular Formation ,General Neuroscience ,Philosophy ,medicine ,Eeg arousal ,Blood Pressure ,Electroencephalography ,Neurology (clinical) ,Arousal ,Brain Stem - Abstract
Resume La presente communication traite de l'assertion selon laquelle l'eveil induit par l'injection d'adrenaline serait du a l'augmentation de la pression sanguine et non a une action directe de la drogue, comme l'ont signale plusieurs auteurs. Les experiences ont ete faites sur des chats, encephale isole. La pression sanguine etait enregistree en meme temps que l'EEG. 1. 1. L'eveil apres l'injection intraveineuse d'adrenaline apparait en meme temps que l'elevation de la pression sanguine, ou dans quelques cas, de 1–3 sec apres que la pression sanguine commence a s'elever. Cette latence depend de la sensibilite de la preparation aux stimuli d'eveil generaux. 2. 2. L'augmentation de la pression sanguine induite mecaniquement produit egalement un eveil. Apres coagulation bilaterale de la formation reticulee mesencephalique, cet effet fut supprime. 3. 3. Lorsque la pression sanguine etait artificiellement maintenue constante pendant une injection intraveineuse d'adrenaline, l'eveil commencait plus tard et durait moins longtemps que lorsque la pression sanguine n'etait pas maintenue constante. 4. 4. Les memes resultats etaient obtenus avec de la vasopressine. L'eveil commencait en meme temps que l'augmentation de la pression sanguine, il etait moins prononce lorsque la pression sanguine etait maintenue constante. Ces resultats permettent de conclure que le stabilisateur de pression utilise etait incapable de controler completement les modifications tensionnelles situees crânialement par rapport au stabilisateur, et specialement les modifications d'amplitude des pulsations. 5. 5. Une injection locale d'une solution saline dans la formation reticulee mesencephalique provoque un eveil. Par consequent, l'eveil apparaissant apres une injection locale d'adrenaline dans la formation reticulee ne saurait etre attribue a une action directe de la drogue. Les resultats decrits ci-dessus soutiennent l'idee d'une action directe de la pression sanguine sur les cellules du systeme activateur ascendant, selon toute probabilite la pression sanguine est le facteur dominant ou meme le seul facteur responsable de l'eveil “induit par l'adrenaline”. Une preuve de plus est donnee par le fait que la frequence des decharges d'un seul neurone au niveau de l'hypothalamus posterieur et de la formation reticulee mesencephalique n'est pas modifiee par l'injection intraveineuse d'adrenaline, si la pression sanguine est maintenue constante, comme cela a ete demontre dans des travaux precedents.
- Published
- 1963
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38. �ber ein pressosensibles Areal im hinteren Hypothalamus der Katze
- Author
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H. Niemczyk, H. Schaefer, W. Baust, and J. Vieth
- Subjects
Physiology ,Physiology (medical) ,Clinical Biochemistry ,Human physiology ,Biology ,Receptor ,Molecular medicine ,Cell biology - Published
- 1962
- Full Text
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39. Signification de quelques aberrations phyllotaxiques induites chez les Dipsacacées
- Author
-
J. Vieth and C. Arnal
- Subjects
General Earth and Planetary Sciences ,General Environmental Science - Published
- 1961
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40. Étude de quelques inflorescences anormales de Scabieuses
- Author
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J. Vieth
- Subjects
General Earth and Planetary Sciences ,General Environmental Science - Abstract
ZusammenfassungAnatomische Untersuchungenn a verbildeten Infloreszenzen von wuchsstoffbehandelten Skabiosen bestatigen Annahme, nach welcher sich die kopfchenformigen Blutestaude der Dipsacaceen von ursprunglich reicher gegliederten. Infloreszenzen ableiten. Die einzelnen Bluten sind Reste von Teilblutenstanden und zwar vo Thyrsen. Die gelegentlich anftreteden und ahnlich gebauten Teilblutestade innerhalb von Kopfchen stellen keine attavistischen Zwischenformen dar. Letztere scheinen nur anstelle eies terminalen Kopfchens in Form pauciflorer Infloreszenzen aufzutreten. Partielle Dissoziationen der Synfloreszenz lassen meist gleichfalls einen Thyrsus erkennen, so dass das Kopfchen der Dipsacaceen—ahnlich dem der Valrianace Stangea Henrici—einem Di- oder Pleiothyrsus entspricht. Die furdie Familie typische brachiale Verzweigung aussert sich noch in der Ausgestaltung des Gefasskeletts der Kopfchenbasis, wo i.a. zwei Dichasien vorliegen, wahrend die folgenden Elemente spiralig angeordnet sind. Die Reihenfolge...
- Published
- 1963
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41. Extracorporeal Membrane Oxygenation for Percutaneous Coronary Angioplasty in High Risk Patients
- Author
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JAY O. TAUB, BRIAN D. LʼHOMMEDIEU, STEVEN C. RAITHEL, DONNA C. VIETH, PAUL J. VIETH, HENDRICK B. BARNER, MICHEL VANDORMAEL, and D. GLENN PENNINGTON
- Subjects
Biophysics - Published
- 1989
- Full Text
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42. In Vitro Plantlet Production from Young Capitulum Explants of Gerbera jamesonii
- Author
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S. Laliberté, L. Chrétien, and J. Vieth
- Subjects
Horticulture - Abstract
Two clones of Gerbera jamesonii were propagated in vitro from fragments of young capitulum, 0.5 to 0.7 cm in diameter. These were cut into 20 to 25 explants and placed on several media. Media containing 0.57 μm (0.1 mg/liter) indole-3-acetic acid (IAA) and 4.4 or 8.8 μm (1 or 2 mg/liter) 6-benzylaminopurine (BA) gave best shoot production. Three mineral solutions were tested. All shoots over 0.5 cm rooted regardless of the IAA level in the medium.
- Published
- 1985
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43. [Jaundice form of infectious mononucleosis in a 3-month-old infant]
- Author
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J, Anańko and J, Vieth
- Subjects
Diagnosis, Differential ,Male ,Age Factors ,Humans ,Infant ,Jaundice ,Infectious Mononucleosis ,Hepatitis A - Published
- 1977
44. Methoden und neue Erkenntnisse der Grundlagenforschung in der Epileptologie
- Author
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J. Vieth
- Abstract
Beim epileptischen Anfall ist das Gleichgewicht zwischen Erregung und Hemmung zugunsten der Erregung gestort. Dies kann durch Verminderung der Hemmung, also durch Disinhibition oder durch Vermehrung der Erregung, durch Fazilitation zustande kommen. Bei der Verhinderung von Anfallen spielt das GABA-Hemmsystem eine wichtige Rolle. Zu unterschiedlichen Epilepsieursachen gehoren unterschiedliche Entstehungsmechanismen.
- Published
- 1984
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45. [Complications of measles in children treated at the Radom Municipal Hospital in the years 1968-1973]
- Author
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J, Anańko and J, Vieth
- Subjects
Child, Preschool ,Age Factors ,Bronchopneumonia ,Humans ,Infant ,Poland ,Respiratory Tract Infections ,Measles - Published
- 1975
46. [Headaches from the neurologist's viewpoint]
- Author
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J, Vieth
- Subjects
Neurology ,Headache ,Humans - Published
- 1980
47. Vigilance, sleep and epilepsy
- Author
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J Vieth
- Subjects
media_common.quotation_subject ,Poison control ,Stimulation ,Electroencephalography ,Epilepsy ,Physical Stimulation ,Conditioning, Psychological ,medicine ,Premovement neuronal activity ,Humans ,Wakefulness ,media_common ,medicine.diagnostic_test ,business.industry ,Unconsciousness ,Biofeedback, Psychology ,medicine.disease ,Circadian Rhythm ,Neurology ,Anesthesia ,Neurology (clinical) ,medicine.symptom ,Neurofeedback ,business ,Arousal ,Sleep ,Neuroscience ,Vigilance (psychology) - Abstract
The correlations between vigilance and epilepsy are manifold. Nearly all epileptic seizures cause a diminution of vigilance extending to unconsciousness. Many of the influences triggering or inhibiting epileptic seizures produce alterations of vigilance or are produced by them. Nearly all chemical influences more or less cause diminution of vigilance. The enhancement of vigilance may inhibit seizures. Decreasing vigilance may act vice versa. As a means to enhance vigilance afferent stimuli are able to trigger seizures. This may be accomplished when singular or rhythmic stimulation of afferents gets the already excited neuronal system oscillating. This principle is also responsible for the strong correlation between triggering of seizures and the sleep/waking cycle with its different grades of neuronal synchronization. On the other hand, inhibition of seizures is possible by a continuously applied stimulation load, which may disturb the increasing excitatory oscillation. Also, conditioning may trigger or inhibit seizures. But the EEG biofeedback only is used to decrease abnormal neuronal activity.
- Published
- 1986
48. HEATING AND COOLING SYSTEM FOR THE VACUUM VESSEL OF TEXTOR USING AN ORGANIC HEAT TRANSFER FLUID
- Author
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J. Vieth, W. Kohlhaas, and D.A. Butzek
- Subjects
Chemistry ,Heat transfer ,Analytical chemistry ,Water cooling ,Current (fluid) ,Composite material ,Joule heating ,Pressure vessel ,Jacketed vessel ,Evaporative cooler ,Eutectic system - Abstract
The vacuum vessel of TEXTOR is designed for a baking temperature of 350°C and to house a liner at an average temperature up to 600°C. The liner is ohmically heated by a current of 14 kA d.c. and the temperature of the vacuum vessel is controlled by a heat transfer fluid flowing through tubes distributed on the outer surfaces of the vessel sections. The fluid consists of a eutectic mixture of biphenyl and biphenyl - oxide with a maximum working temperature of 400°C at a pressure of 11 bars. The circuit consists of an electrical heater and an air cooler with a power of 235 kW and 185 kW, respectively. The heat transfer fluid serves as a heating or cooling agent depending on the actual temperature of the liner.
- Published
- 1983
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49. [Evoked disinhibition and disfacilitation in neurons of the cat's sensorimotor cortex. Intracellular recordings (author's transl)]
- Author
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J, Vieth, U, Kneise, and J, Käferlein
- Subjects
Neurons ,Time Factors ,Pyramidal Tracts ,Action Potentials ,Electroencephalography ,Neural Inhibition ,Somatosensory Cortex ,Hippocampus ,Electric Stimulation ,Electrodes, Implanted ,Membrane Potentials ,Interneurons ,Cats ,Animals ,Evoked Potentials ,Microelectrodes - Published
- 1974
50. Extracorporeal membrane oxygenation for percutaneous coronary angioplasty in high risk patients
- Author
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J O, Taub, B D, L'Hommedieu, S C, Raithel, D G, Vieth, P J, Vieth, H B, Barner, M, Vandormael, and D G, Pennington
- Subjects
Heart Failure ,Male ,Risk Factors ,Hemodynamics ,Humans ,Coronary Disease ,Female ,Angioplasty, Balloon, Coronary ,Middle Aged ,Aged ,Oxygenators, Membrane - Abstract
Improvements in percutaneous coronary angioplasty (PTCA) have broadened the scope of this therapy to higher risk patients. The authors used an extracorporeal membrane oxygenator (ECMO) system during seven PTCA procedures to provide rapid, safe, cardiopulmonary support for high-risk patients. Six patients underwent femoral cutdown and placement of arteriovenous cannulae before PTCA; one patient was cannulated percutaneously. In two patients, no ECMO support was used, whereas two of the remaining five patients were maintained on low flow (1.5 L/min) during the procedure and three patients were maintained with higher flows (average 3.0 L/min). All patients were removed from cardiopulmonary support with satisfactory hemodynamics and maintained on i.v. heparin for 12-48 hours. In six patients groin hematomas developed, in four deep venous thrombosis developed, and in one patient arterial occlusion after percutaneous cannulation developed. One patient died of retroperitoneal hemorrhage unrelated to the ECMO cannulation site. Six patients survived. This system can be rapidly deployed while providing satisfactory cardiopulmonary support.
- Published
- 1989
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