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251. Biomechanical study of pelvic discontinuity in failed total hip arthroplasty. Lessons learnt from the treatment of pelvic fractures

Author

Ribes-Iborra J, Atienza C, Sevil-De la Torre J, and Gómez Pérez A

Subjects
musculoskeletal diseases, arthroplasty hip replacement, elastic modulus, pelvic discontinuity, surgical education, surgical fixation devices
Abstract

Pelvic discontinuity is a rare but serious problem in orthopedic surgery. Acetabular reconstruction in case of severe bone loss after failed total hip arthroplasty is technically difficult, especially in segmental loss type III (anterior or posterior) or pelvic discontinuity (type IV). Acetabular reinforcement devices are frequently used as load-sharing devices to allow allograft incorporation and in order to serve as support of acetabular implants. This study tries to show, by means of biomechanic work, the efficiency of reinforced plate in anterior column in a segmental pelvic loss, illustrated with a clinical case, which shows the socket stability of hip prosthesis.

Published
2017

255. Rivaroxaban or aspirin for patent foramen ovale and embolic stroke of undetermined source: a prespecified subgroup analysis from the NAVIGATE ESUS trial

Author

Kasner, Scott E, primary, Swaminathan, Balakumar, additional, Lavados, Pablo, additional, Sharma, Mukul, additional, Muir, Keith, additional, Veltkamp, Roland, additional, Ameriso, Sebastian F, additional, Endres, Matthias, additional, Lutsep, Helmi, additional, Messé, Steven R, additional, Spence, J David, additional, Nedeltechev, Krassen, additional, Perera, Kanjana, additional, Santo, Gustavo, additional, Olavarria, Veronica, additional, Lindgren, Arne, additional, Bangdiwala, Shrikant, additional, Shoamanesh, Ashkan, additional, Berkowitz, Scott D, additional, Mundl, Hardi, additional, Connolly, Stuart J, additional, Hart, Robert G, additional, Abdelhamid, N, additional, Abdul Rahman, D, additional, Abdul-Saheb, M, additional, Abreu, P, additional, Abroskina, M, additional, Abu Ahmad, F, additional, Accassat, S, additional, Acciaresi, M, additional, Adami, A, additional, Ahmad, N, additional, Ahmed, F, additional, Alberto Hawkes, M, additional, Alemseged, F, additional, Ali, A, additional, Altavilla, R, additional, Alwis, L, additional, Amarenco, P, additional, Amaro, S, additional, Amaya Sanchez, LE, additional, Amelia Pinto, A, additional, Ameriso, SF, additional, Amin, H, additional, Amino, T, additional, Amjad, AK, additional, Anagnostou, E, additional, Andersen, G, additional, Anderson, C, additional, Anderson, DC, additional, Andrea Falco, M, additional, Andres Mackinnon, F, additional, Andreu, D, additional, Androulakis, M, additional, Angel Gamero, M, additional, Angel Saredo, G, additional, Angeles Diaz, R, additional, Angels Font, M, additional, Anticoli, S, additional, Arauz, A, additional, Arauz Gongora, AA, additional, Araya, P, additional, Arenillas Lara, JF, additional, Arias Rivas, S, additional, Arnold, M, additional, Augustin, S, additional, Avelar, W, additional, Azevedo, E, additional, Babikian, V, additional, Bacellar, A, additional, Badalyan, K, additional, Bae, HJ, additional, Baez Martinez, EM, additional, Bagelmann, H, additional, Bailey, P, additional, Bak, Z, additional, Baker, M, additional, Balazs, A, additional, Baldaranov, D, additional, Balogun, I, additional, Balueva, T, additional, Bankuti, Z, additional, Bar, M, additional, Baranowska, A, additional, Bardutzky, J, additional, Barker Trejo, S, additional, Barlinn, J, additional, Baronnet, F, additional, Barroso, C, additional, Barteys, M, additional, Bartolottiova, T, additional, Barulin, A, additional, Bas, M, additional, Bashir, S, additional, Basile, V, additional, Bathe-Peters, R, additional, Bathula, R, additional, Batista, C, additional, Batur Caglayan, H, additional, Baumgartner, P, additional, Bazan, R, additional, Bazhenova, O, additional, Beaudry, M, additional, Beer, J, additional, Behnam, Y, additional, Beilei, C, additional, Beinlich, A, additional, Bejot, Y, additional, Belkin, A, additional, Benavente, OR, additional, Benjamin, A, additional, Berardi, V, additional, Bereczki, D, additional, Berkowitz, SD, additional, Berlingieri, J, additional, Berrios, W, additional, Berrouschot, J, additional, Bhandari, M, additional, Bhargavah, M, additional, Bicker, H, additional, Bicsak, T, additional, Bilik, M, additional, Bindila, D, additional, Birchenall, J, additional, Birnbaum, L, additional, Black, T, additional, Blacker, D, additional, Blacquiere, D, additional, Blanc-Labarre, C, additional, Blank, C, additional, Blazejewska-Hyzorek, B, additional, Bloch, S, additional, Bodiguel, E, additional, Bogdanov, E, additional, Boos, L, additional, Borcsik, L, additional, Bornstein, N, additional, Bouly, S, additional, Braga, G, additional, Bragado, I, additional, Bravi, MC, additional, Brokalaki, C, additional, Brola, W, additional, Brouns, R, additional, Bruce, D, additional, Brzoska-Mizgalska, J, additional, Buck, B, additional, Buksinska-Lisik, M, additional, Burke, J, additional, Burn, M, additional, Bustamante, G, additional, Cabrejo, L, additional, Cai, K, additional, Cajaraville, S, additional, Calejo, M, additional, Calvet, D, additional, Campillo, J, additional, Campos Costa, E, additional, Camps, P, additional, Can Alaydin, H, additional, Candeloro, E, additional, Canepa, C, additional, Cantu Brito, CG, additional, Cappellari, M, additional, Carcel, C, additional, Cardona Portela, P, additional, Cardoso, F, additional, Carek, M, additional, Carletti, M, additional, Carlos Portilla, J, additional, Caruso, P, additional, Casado-Naranjo, I, additional, Castellini, P, additional, Castro, D, additional, Castro Meira, F, additional, Cavallini, A, additional, Cayuela Caudevilla, N, additional, Cenciarelli, S, additional, Cereda, C, additional, Cerrone, P, additional, Chakrabarti, A, additional, Chaloulos-Iakovidis, P, additional, Chamorro, A, additional, Chandrasena, D, additional, Chang, DI, additional, Che, C, additional, Chembala, J, additional, Chen, J, additional, Chen, Z, additional, Chen, T, additional, Chen, H, additional, Chen, X, additional, Chen, G, additional, Chen, L, additional, Chen, S, additional, Cheripelli, B, additional, Chin, M, additional, Chiquete Anaya, E, additional, Chorazy, M, additional, Christensen, H, additional, Christensen, T, additional, Christian, L, additional, Chu, F, additional, Chung, CS, additional, Clark, W, additional, Clarke, R, additional, Claverie, S, additional, Clemente Agostoni, E, additional, Clissold, B, additional, Coelho, J, additional, Cohen, D, additional, Colakoglu, S, additional, Collas, D, additional, Condurso, R, additional, Connolly, SJ, additional, Consoli, D, additional, Constantin, C, additional, Constantino Silva, AB, additional, Contardo, L, additional, Corlobe, A, additional, Correia, M, additional, Correia, C, additional, Cortijo Garcia, E, additional, Coull, B, additional, Coutts, S, additional, Coveney, S, additional, Cras, P, additional, Crols, R, additional, Crozier, S, additional, Csanyi, A, additional, Csiba, L, additional, Csontos, K, additional, Csuha, R, additional, Cui, L, additional, Cunha, L, additional, Curtze, S, additional, Czerska, M, additional, Czlonkowska, A, additional, Czurko, M, additional, Czuryszkiewicz, M, additional, Dagnino, M, additional, Dai, C, additional, Daineko, A, additional, Dalek, G, additional, Damgaard, D, additional, Danese, A, additional, Dani, K, additional, Danku, V, additional, Dario Toledo, W, additional, Dávalos, A, additional, De Havenon, A, additional, De Keyser, J, additional, De Klippel, N, additional, De La Torre, J, additional, De Pauw, A, additional, De Smedt, A, additional, De Torres, R, additional, De Vries Basson, MM, additional, Dearborn, J, additional, Deganutto, R, additional, Degeorgia, M, additional, Deguchi, I, additional, Del Giudice, A, additional, Delcourt, C, additional, Delgado-Mederos, R, additional, Della Marca, G, additional, Delpont, B, additional, Deltour, S, additional, Demets, DL, additional, Dennis, M, additional, Desai, J, additional, Devine, J, additional, Dhollander, I, additional, Di Mascio, MT, additional, Diaconu, M, additional, Diaz Otero, F, additional, Dietzel, J, additional, Diez-Tejedor, E, additional, Ding, N, additional, Ding, J, additional, Diomedi, M, additional, Dioszeghy, P, additional, Distefano, M, additional, Domigo, V, additional, Dorodnicov, E, additional, Dossi, D, additional, Doubal, F, additional, Druzenko, I, additional, Du, P, additional, Du, J, additional, Duman, T, additional, Duodu, Y, additional, Dutta, D, additional, Dylewicz, L, additional, Eckstein, J, additional, Ehrensperger, E, additional, Ehrlich, S, additional, Einer Allende, G, additional, Elena Halac, B, additional, Elyas, S, additional, Endres, M, additional, Engelbrecht, JM, additional, Engelter, S, additional, Epinat, M, additional, Eren, F, additional, Esbjornsson, M, additional, Escribano, B, additional, Escudero, I, additional, Esisi, B, additional, Essa, B, additional, Esterbauer, M, additional, Evans, N, additional, Eveson, D, additional, Fabio, S, additional, Fang, L, additional, Fanta, S, additional, Fares, M, additional, Fatar, M, additional, Faust, K, additional, Favate, A, additional, Fazekas, F, additional, Federica Denaro, M, additional, Fedin, A, additional, Felipe Amaya, P, additional, Feng, J, additional, Ferencova, K, additional, Fernanda Gilli, M, additional, Fernandez, MD, additional, Fernandez Pirrone, PN, additional, Fernandez Vera, J, additional, Ferrari, J, additional, Ferreira, A, additional, Ferreira Junior, G, additional, Fidler, M, additional, Field, D, additional, Field, T, additional, Figueroa, C, additional, Fiksa, J, additional, Filipov, A, additional, Firstenfeld, A, additional, Fisch, L, additional, Fischer, U, additional, Fisselier, M, additional, Fiszer, U, additional, Fluri, F, additional, Fortea, G, additional, Fotherby, K, additional, Fraczek, A, additional, France, E, additional, Freitas, G, additional, Frey, S, additional, Frick, M, additional, Friedman, A, additional, Friedrich, M, additional, Frisullo, G, additional, Fryze, W, additional, Fuentes Gimeno, B, additional, Fujigasaki, H, additional, Fukuyama, K, additional, Furlan, A, additional, Furlanis, G, additional, Furnace, J, additional, Gabriel, M, additional, Gabriel Reich, E, additional, Gagliardi, RJ, additional, Galati, F, additional, Galli Giqueauk, E, additional, Gallina, A, additional, Gallinella, E, additional, Gallo, J, additional, Gangadharan, S, additional, Gao, Y, additional, Garcia Lopez, R, additional, Garcia Pastor, A, additional, Garcia Sanchez, SM, additional, Garnauf, M, additional, Garnier, P, additional, Gasecki, D, additional, Gasic, K, additional, Gasiorek, K, additional, Gasser, S, additional, Gaugg, M, additional, Gebreyohanns, M, additional, Gebura, K, additional, Geng, J, additional, Geniz Clavijo, M, additional, Georg Haeusler, K, additional, Geran, R, additional, Geremek, M, additional, Gerocs, Z, additional, Ghia, D, additional, Giannandrea, D, additional, Giatsidis, F, additional, Gien Lopez, JA, additional, Gil Nunez, A, additional, Gimenez, L, additional, Giralt, E, additional, Glabinski, A, additional, Gladstone, D, additional, Gliem, M, additional, Gluszkiewicz, M, additional, Goddeau, R, additional, Gogoleva, E, additional, Gokce, M, additional, Goldemund, D, additional, Golikov, K, additional, Gomes Neto, A, additional, Gomez Schneider, M, additional, Gomez-Choco, M, additional, Gomis, M, additional, Gongora-Rivera, JF, additional, Gonysheva, Y, additional, Gonzalez, L, additional, Gonzalez Toledo, ME, additional, Gottschal, M, additional, Gozdzik, I, additional, Grabowski, S, additional, Graf, S, additional, Green, D, additional, Greer, D, additional, Gregorio, T, additional, Greisenegger, S, additional, Greshnova, I, additional, Griebe, M, additional, Grzesik, M, additional, Guan, J, additional, Guarda, S, additional, Gueguen, A, additional, Guidoux, C, additional, Guillermo Povedano, P, additional, Guillon, B, additional, Guiraudg, V, additional, Gunathilagan, G, additional, Guryanova, N, additional, Gusev, V, additional, Gustavo Persi, G, additional, Gutiérrez, R, additional, Guyler, P, additional, Gyuker, N, additional, Hachinski, V, additional, Hajas, A, additional, Hallevi, H, additional, Hankey, G, additional, Hankey, GJ, additional, Hanouskova, L, additional, Hao, L, additional, Haraguchi, K, additional, Haralur Sreekantaiah, Y, additional, Haratz, S, additional, Hargroves, D, additional, Harkness, K, additional, Harmel, P, additional, Harrasser, M, additional, Hart, RG, additional, Harvey, M, additional, Hasan, R, additional, Hasegawa, Y, additional, Hassan, A, additional, Hattori, M, additional, Hatzitolios, A, additional, Hauk, M, additional, Hayashi, T, additional, Hayhoe, H, additional, Hedna, VS, additional, Heine, M, additional, Held, V, additional, Hellwig, S, additional, Henkner, J, additional, Henninger, N, additional, Hermans, S, additional, Hernandez, J, additional, Herrero, D, additional, Hervieu-Begue, M, additional, Herzig, R, additional, Hicken, L, additional, Hieber, M, additional, Hill, M, additional, Hirose, M, additional, Hobeanu, MC, additional, Hobson, B, additional, Hochstetter, M, additional, Hoe Heo, J, additional, Hoffmann, M, additional, Holmstedt, C, additional, Hon, P, additional, Hong, KS, additional, Honma, Y, additional, Horev, A, additional, Horgan, G, additional, Horvath, L, additional, Horvath, M, additional, Hoyer, C, additional, Huang, D, additional, Huang, H, additional, Huber, B, additional, Huhtakangas, J, additional, Hussain, M, additional, Igarashi, S, additional, Iglesias Mohedano, AM, additional, Ignacio Tembl, J, additional, Impellizzeri, M, additional, Inanc, Y, additional, Ioli, P, additional, Irina Aniculaesei, A, additional, Ishida, K, additional, Itabashi, R, additional, Iversen, H, additional, Jagolino, A, additional, Jakab, K, additional, Jander, S, additional, Janka, H, additional, Jankovych, J, additional, Jansen, J, additional, Jasek, L, additional, Javier Alet, M, additional, Javor, L, additional, Jin, X, additional, Jing, P, additional, Joachim, B, additional, Joan Macleod, M, additional, Johnson, M, additional, Jose Martin, J, additional, Joyner, C, additional, Judit Szabo, K, additional, Jun-Oconnell, A, additional, Jura, R, additional, Kaczorowska, B, additional, Kadlcikova, J, additional, Kahles, T, additional, Kakaletsis, N, additional, Kakuk, I, additional, Kalinowska, K, additional, Kaminska, K, additional, Kaneko, C, additional, Kanellos, I, additional, Kapeller, P, additional, Kapica-Topczewska, K, additional, Karasz, O, additional, Karlinski, M, additional, Karlsson, JE, additional, Kasa, K, additional, Kashaeva, E, additional, Kasner, SE, additional, Kaste, M, additional, Kasza, J, additional, Katalin Iljicsov, A, additional, Katsurayama, M, additional, Kaur, S, additional, Kawanishi, M, additional, Kaygorodtseva, S, additional, Ke, K, additional, Kei, A, additional, Keilitz, J, additional, Kellner, J, additional, Kelly, P, additional, Kelly, S, additional, Kemlink, D, additional, Kerekgyarto, M, additional, Keskinarkaus, I, additional, Khairutdinova, D, additional, Khanna, A, additional, Khaw, A, additional, Kholopov, M, additional, Khoumri, C, additional, Kirpicheva, S, additional, Kirshner, H, additional, Kitagawa, K, additional, Kittner, S, additional, Kivioja, R, additional, Klein, F, additional, Kleindorfer, D, additional, Kleinig, T, additional, Klivenyi, P, additional, Knecht, S, additional, Kobayashi, Y, additional, Kobayashi, A, additional, Koch, M, additional, Koehler, L, additional, Koivu, M, additional, Kolianov, V, additional, Koltsov, I, additional, Kondo, T, additional, Konkov, I, additional, Kopecky, S, additional, Korompoki, E, additional, Korpela, J, additional, Kosarz-Lanczek, K, additional, Koutroubi, A, additional, Kovacs, K, additional, Kovacs, T, additional, Kovacs, H, additional, Kowalczyk, K, additional, Kowalska, M, additional, Krajickova, D, additional, Kral, M, additional, Krarup Hansen, C, additional, Kraska, J, additional, Krebs, S, additional, Krejci, V, additional, Kremer, C, additional, Kreuzpointer, R, additional, Krzyzanowska, M, additional, Kucken, D, additional, Kulakowska, A, additional, Kunzmann, J, additional, Kurenkova, N, additional, Kuris, A, additional, Kurkowska-Jastrzebska, I, additional, Kurtenkova, N, additional, Kurushina, O, additional, Kusnick, G, additional, Kustova, M, additional, Kuwashiro, T, additional, Kwan Cha, J, additional, Lago, A, additional, Lagutenko, M, additional, Lajos, B, additional, Lambeck, J, additional, Lamy, C, additional, Landolfi, A, additional, Lanfranconi, S, additional, Lang, W, additional, Lara Lezama, LB, additional, Lara Rodriguez, B, additional, Largo, T, additional, Lasek-Bal, A, additional, Latte, L, additional, Lauer, V, additional, Lavados, P, additional, Le Bouc, R, additional, Leal Cantu, R, additional, Lechner, H, additional, Lecouturier, K, additional, Leder, S, additional, Lee, J, additional, Lee, BC, additional, Leger, A, additional, Leira, E, additional, Leisse, I, additional, Leker, R, additional, Lembo, G, additional, Lenskaya, L, additional, Leyden, J, additional, Li, G, additional, Li, M, additional, Li, S, additional, Li, J, additional, Liamis, G, additional, Liang, H, additional, Liang, Z, additional, Ligot, N, additional, Lin, H, additional, Lindert, R, additional, Lindgren, A, additional, Linna, M, additional, Litwin, T, additional, Liu, K, additional, Liu, X, additional, Llull, L, additional, Lohninger, B, additional, Longoni, M, additional, Loomis, C, additional, Lopes, D, additional, Lopez Fernandez, M, additional, Lopez Garza, N, additional, Lord, A, additional, Louw, S, additional, Lovasz, R, additional, Lowenkopf, T, additional, Lu, Z, additional, Lubke-Detring, SC, additional, Luder, R, additional, Lujan, S, additional, Luo, B, additional, Lupinogina, L, additional, Luschin, G, additional, Lutsep, H, additional, Lvova, A, additional, Ly, J, additional, Grosse, G.M., additional, Ma, H, additional, Ma, C, additional, Machado, M, additional, Machado, C, additional, Macher, S, additional, Machetanz, J, additional, Macian-Montoro, F, additional, Mackey, E, additional, Mackey, A, additional, Maclean, G, additional, Maestre-Moreno, J, additional, Magadan, A, additional, Magyar, T, additional, Mahagney, A, additional, Majid, A, additional, Majjhoo, A, additional, Makaritsis, K, additional, Mandzia, J, additional, Mangas Guijarro, M, additional, Mangion, D, additional, Manios, E, additional, Mann, S, additional, Manning, L, additional, Manno, C, additional, Manuel Garcia, J, additional, Maqueda, V, additional, Mar Castellanos, M, additional, Mar Freijo, M, additional, Marando, C, additional, Marcela Lepera, S, additional, Marcos Couto, J, additional, Maria Bruera, G, additional, Maria Greco, L, additional, Maria Lorenzo, A, additional, Maria Obmann, S, additional, Maria Roa, A, additional, Marini, C, additional, Marinkovic, I, additional, Mario Sumay, G, additional, Mario Torres, C, additional, Marko, M, additional, Markova, S, additional, Markus, H, additional, Marsh, R, additional, Marsili, E, additional, Marta Esnaola, M, additional, Marta Moreno, J, additional, Marti-Fabregas, J, additional, Martina Angelocola, S, additional, Martínez Sánchez, P, additional, Martinez-Majander, N, additional, Martins, S, additional, Marzelik, O, additional, Mastrocola, S, additional, Matamala, G, additional, Matoltsy, A, additional, Matosevic, B, additional, Matsumoto, S, additional, Maud, A, additional, Mauri Cabdevila, G, additional, May, Z, additional, Mayasi, Y, additional, Mayr, A, additional, Mazzoli, T, additional, Mcarthur, K, additional, Mccullough, L, additional, Medina Pech, CE, additional, Medlin, F, additional, Mehdiratta, M, additional, Mehta, S, additional, Mehta, D, additional, Mehta, B, additional, Melis, M, additional, Melnikova, E, additional, Mendez, B, additional, Mendonca, T, additional, Mengual Chirifie, JJ, additional, Menon, N, additional, Mensch, A, additional, Meseguer, E, additional, Messe, S, additional, Metcalf, K, additional, Meyer, N, additional, Michas, F, additional, Micheletti, N, additional, Mikulik, R, additional, Milionis, H, additional, Miller, B, additional, Milling, T, additional, Minelli, C, additional, Minhas, J, additional, Minns, M, additional, Mircea, D, additional, Mishra, S, additional, Mismas, A, additional, Mistri, A, additional, Mitrovic, N, additional, Miyake, H, additional, Modrau, B, additional, Moey, A, additional, Molina, C, additional, Molina, J, additional, Molis, A, additional, Moller, J, additional, Molnar, S, additional, Moniche, F, additional, Monosi, C, additional, Monzani, V, additional, Moonis, M, additional, Morais, R, additional, Morales, L, additional, Morales, A, additional, Morar-Precup, D, additional, Moreton, F, additional, Moro, C, additional, Morozova, E, additional, Morton, M, additional, Morvan, T, additional, Morvan, E, additional, Motko, T, additional, Mowla, A, additional, Mozhejko, E, additional, Muddegowda, G, additional, Mudhar, O, additional, Mueller, T, additional, Muhl, C, additional, Muir, KW, additional, Mundl, H, additional, Munoz, S, additional, Murphy, C, additional, Murphy, S, additional, Murtuzova, A, additional, Musuka, T, additional, Mutzenbach, J, additional, Myint, M, additional, Mysliwy, W, additional, Naccarato, M, additional, Naeije, G, additional, Nagakane, Y, additional, Natarajan, I, additional, Navaratnam, D, additional, Nave, A, additional, Nazliel, B, additional, Nedeltchev, K, additional, Nel, J, additional, Nell, H, additional, Nemeth, R, additional, Nemeth, L, additional, Neto, O, additional, Ng, K, additional, Ngeh, J, additional, Nicolas Chialvo, L, additional, Nieminen, T, additional, Nikkanen, M, additional, Nikl, J, additional, Nikoforova, M, additional, Nishino, S, additional, Nishiyama, Y, additional, Njovane, X, additional, Nogawa, S, additional, Nombela, F, additional, Norrving, B, additional, Nosek, K, additional, Nowak, B, additional, Nowakowska-Sledz, E, additional, Ntaios, G, additional, Numminen, H, additional, Nunez, F, additional, Obadia, M, additional, Oberndorfer, S, additional, Obrezan, A, additional, Ochiai, J, additional, Oczkowski, W, additional, O'Donnell, MJ, additional, Odyniec, A, additional, Oh, K, additional, Ohira, M, additional, Okamoto, Y, additional, Okpala, M, additional, Okubo, S, additional, Olah, L, additional, Olavarria, V, additional, Oleszek, J, additional, Onat Demirci, N, additional, Ondar, V, additional, Ongun, G, additional, Ooyama, K, additional, Orosz, V, additional, Ortiz, R, additional, Osseby, G, additional, Österlund-Tauriala, E, additional, Ovesen, C, additional, Ozcekic Demirhan, S, additional, Ozdoba-Rot, J, additional, Ozturk, S, additional, Ozyurt, E, additional, Pablo Grecco, M, additional, Pablo Povedano, G, additional, Paciaroni, M, additional, Padiglioni, C, additional, Pagola, J, additional, Palasik, W, additional, Panczel, G, additional, Panos, L, additional, Papadopoulos, G, additional, Papadopoulou, E, additional, Papagiannis, A, additional, Papavasileiou, V, additional, Papina, M, additional, Pardo De Donlebun, JR, additional, Parisi, V, additional, Park, JM, additional, Pasten, J, additional, Patel, N, additional, Pavlik, O, additional, Pawelczyk, M, additional, Peacock, WF, additional, Pei, H, additional, Peisker, T, additional, Pena Sedna, LF, additional, Penn, A, additional, Pentek, S, additional, Pepper, E, additional, Pereira, L, additional, Perera, K, additional, Perez, Y, additional, Perez, S, additional, Perez Leguizamon, P, additional, Pernicka, M, additional, Perry, R, additional, Persico, A, additional, Pesant, Y, additional, Peska, S, additional, Peters, D, additional, Peters, G, additional, Pettigrew, L, additional, Phan, T, additional, Philippi, S, additional, Phinney, T, additional, Pico, F, additional, Pidal, A, additional, Piechowski-Jozwiak, B, additional, Pieroni, A, additional, Pineiro, S, additional, Piras, V, additional, Pizova, N, additional, Polanco, J, additional, Polin, M, additional, Polyakov, A, additional, Polychronopoulou, E, additional, Polymeris, A, additional, Popov, D, additional, Poppe, A, additional, Postorino, P, additional, Pozzerese, C, additional, Pradhan, M, additional, Prats, L, additional, Prazdnichkova, E, additional, Prendl, B, additional, Pretorius, M, additional, Profice, P, additional, Prokopenko, S, additional, Pudov, E, additional, Pujol Lereis, V, additional, Punzo Bravo, G, additional, Purroy, F, additional, Qiu, J, additional, Qu, X, additional, Quenardelle, V, additional, Quesada Garcia, H, additional, Radrizzani, L, additional, Radtke, A, additional, Raffelsberger, T, additional, Ramirez Moreno, JM, additional, Ramos-Estebanez, C, additional, Rani, A, additional, Rapantova, P, additional, Rashed, K, additional, Rasheed Nihara, A, additional, Rasmussen, J, additional, Redondo Robles, L, additional, Reif, M, additional, 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Zalewska, J, additional, Zanferrari, C, additional, Zapata, E, additional, Zboznovits, D, additional, Zelenka, I, additional, Zhang, C, additional, Zhang, B, additional, Zhang, S, additional, Zhang, M, additional, Zhang, X, additional, Zhang, J, additional, Zhao, L, additional, Zhirnova, O, additional, Zhou, L, additional, Zielinska-Turek, J, additional, Zinchenko, I, additional, Ziomek, M, additional, Zitzmann, A, additional, Zweifler, R, additional, and Zwiernik, J, additional

Published
2018
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259. Nanoscale hydrodynamics near solids

Author

Camargo, Diego, primary, de la Torre, J. A., additional, Duque-Zumajo, D., additional, Español, Pep, additional, Delgado-Buscalioni, Rafael, additional, and Chejne, Farid, additional

Published
2018
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262. Transient electric birefringence of wormlike macromolecules in electric fields of arbitrary strength: A computer simulation study.

Author

Pérez Sínchez, H. E., García de la Torre, J., and Díaz Baáos, F. G.

Subjects
*ELECTROMAGNETIC fields, *MECHANICAL movements, *LINEAR free energy relationship, *LIGHT scattering, *OPTICAL reflection, *COMPUTER simulation
Abstract

We have studied the birefringence decay of linear models of macromolecules for two different types of flexibility, the broken-rod chain and the wormlike chain, using a computer simulation of a transient electric birefringence experiment. We have paid particular attention to the influence of the intensity of the orienting field, including two orienting mechanisms, the induced dipole, and the permanent dipole. We have compared wormlike and broken-rod models of the same radius of gyration, finding that they present a different decay curve under the influence of the same intensity of the field. We have seen that these differences are due to the faster relaxation times (smaller in the wormlike chain model) and amplitudes, because, regardless of the type of flexibility, the overall size of a molecule (measured by the radius of gyration) essentially determines the longest relaxation time. We have also analyzed how the relaxation process is affected by the degree of flexibility, the orientation mechanisms, and the intensity of the field. Studying a different aspect, we have paid attention to the deformation of a molecule in a transient electric birefringence experiment as a source of information. In this work we have developed equations to characterize this deformation in terms of one of the components of the gyration tensor, if a dynamic light scattering experiment under the influence of an electric field could be performed. To develop this work we have simulated the Brownian dynamics of the different models, relaxing after the removal of an orienting external electric field of arbitrary strength. A comparison with other methods such a the rigid body treatment or the correlation analysis of Brownian trajectories has also been included. We have seen that differences between the two Brownian dynamics methods are small and that the rigid-body treatment is only an acceptable approximation to obtain the longest relaxation time. [ABSTRACT FROM AUTHOR]

Published
2005
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263. Kinetic aspects of the coil-stretch transition of polymer chains in dilute solution under extensional flow.

Author

Herna´ndez Cifre, J. G. and Garcı´a de la Torre, J.

Subjects
*DYNAMICS, *POLYMERS, *COMPUTER simulation, *BIOCHEMICAL mechanism of action
Abstract

When linear polymer chains in dilute solution are subject to extensional flow, each chain in the sample experiences the coil-stretch transition at a different time. Using Brownian dynamics simulation, we have studied the distribution of transition times in terms of the extensional rate and the length of the chains. If instead of time one characterizes the effect of the flow by the accumulated strain, then the distribution and its moments seem to take general forms, independent of molecular weight and flow rate, containing some numerical, universal constants that have been evaluated from the dynamical simulation. The kinetics of the transition, expressed by the time-dependence of the fraction of remaining coils, has also been simulated, and the results for the kinetic rate constant has been rationalized in a manner similar to that used for the transition time. The molecular individualism, characterized in this work by the distribution of transition times, is related to the excess of the applied extensional rate over its critical value, which will determine the transition time and other features of the coil-stretch transition. © 2001 American Institute of Physics. [ABSTRACT FROM AUTHOR]

Published
2001
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266. A randomized blinded clinical trial of two antivenoms, prepared by caprylic acid or ammonium sulphate fractionation of IgG, in Bothrops and Porthidium snake bites in Colombia: correlation between safety and biochemical characteristics of antivenoms

Author

Otero, R, Gutiérrez, J.M, Rojas, G, Núñez, V, Dı́az, A, Miranda, E, Uribe, A.F, Silva, J.F, Ospina, J.G, Medina, Y, Toro, M.F, Garcı́a, M.E, León, G, Garcı́a, M, Lizano, S, De La Torre, J, Márquez, J, Mena, Y, González, N, Arenas, L.C, Puzón, A, Blanco, N, Sierra, A, Espinal, M.E, Arboleda, M, Jiménez, J.C, Ramı́rez, P, Dı́az, M, Guzmán, M.C, Barros, J, Henao, S, Ramı́rez, A, Macea, U, and Lozano, R

Published
1999
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267. Biomechanical study of pelvic discontinuity in failed total hip arthroplasty. Lessons learnt from the treatment of pelvic fractures

Author

Universitat Politècnica de València. Departamento de Ingeniería Mecánica y de Materiales - Departament d'Enginyeria Mecànica i de Materials, Universitat Politècnica de València. Instituto Universitario Mixto de Biomecánica de Valencia - Institut Universitari Mixt de Biomecànica de València, Ribes, J., Atienza Vicente, Carlos Manuel, Sevil-De la torre, J., Gómez Pérez, Amelia Lucia, Universitat Politècnica de València. Departamento de Ingeniería Mecánica y de Materiales - Departament d'Enginyeria Mecànica i de Materials, Universitat Politècnica de València. Instituto Universitario Mixto de Biomecánica de Valencia - Institut Universitari Mixt de Biomecànica de València, Ribes, J., Atienza Vicente, Carlos Manuel, Sevil-De la torre, J., and Gómez Pérez, Amelia Lucia

Abstract

[EN] Pelvic discontinuity is a rare but serious problem in orthopedic surgery. Acetabular reconstruction in case of severe bone loss after failed total hip arthroplasty is technically difficult, especially in segmental loss type III (anterior or posterior) or pelvic discontinuity (type IV). Acetabular reinforcement devices are frequently used as load-sharing devices to allow allograft incorporation and in order to serve as support of acetabular implants. This study tries to show, by means of biomechanic work, the efficiency of reinforced plate in anterior column in a segmental pelvic loss, illustrated with a clinical case, which shows the socket stability of hip prosthesis. (C) 2017 Elsevier Ltd. All rights reserved.

Published
2017

272. Better together: a transboundary approach to brown bear monitoring in the Pyrenees

Author

Palazón S, Nicolas Bombillon, Adrienne Gastineau, Solà de la Torre J, Pierre-Yves Quenette, Jordana Ia, Olivier Gimenez, Piédallu B, Muñoz P, Christian Miquel, and Jato R

Subjects
Abundance estimation, education.field_of_study, biology, business.industry, Ecology (disciplines), Environmental resource management, Population, biology.organism_classification, Robust design, Geography, Environmental protection, Abundance (ecology), Ursus, business, education
Abstract

Human administrative borders have no effect on wild animals, and the vast home ranges of large carnivores often cause them to live simultaneously on the territory of two or more countries or jurisdictions with different management policies. Here, we investigate the importance of transboundary population monitoring using as a case study the Pyrenean brown bear population (Ursus arctos) that lives in France, Andorra and Spain. Using capture-recapture models and the Pollock’s robust design, we estimated abundance and demographic parameters using data collected separately in France and Spain and a dataset gathered from joint monitoring on both sides of the border. As expected, the abundance estimates from French (from 11 bears in 2008 to 13 in 2014) or Spanish (from 4 bears in 2008 to 9 in 2014) data only were lower than abundance obtained from both sides of the border (from 11 in 2008 to 18 in 2014). The joint monitoring dataset also highlighted the importance of individual detection heterogeneity that, if ignored, would lead to underestimation. Our results reinforce the importance of transboundary cooperation when dealing with animal populations with territory spanning two or more administrative jurisdictions for collecting reliable scientific data and providing relevant abundance estimation to take sound management decisions.

Published
2016
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273. Human COA3 Is an Oligomeric Highly Flexible Protein in Solution

Author

Neira J, Martinez-Rodrituez S, Hernandez-Cifre J, Camara-Artigas A, Clemente P, Peralta S, Fernandez-Moreno M, Garesse R, de la Torre J, and Rizzuti B

Abstract

The assembly of the protein complex of cytochrome c oxidase (COX), which participates in the mitochondrial respiratory chain, requires a large number of accessory proteins (the so-called assembly factors). Human COX assembly factor 3 (hCOA3), also known as MITRAC12 or coiled-coil domain-containing protein 56 (CCDC56), interacts with the first subunit protein of COX to form its catalytic core and promotes its assemblage with the other units. Therefore, hCOA3 is involved in COX biogenesis in humans and can be exploited as a drug target in patients with mitochondrial dysfunctions. However, to be considered a molecular target, its structure and conformational stability must first be elucidated. We have embarked on the description of such features by using spectroscopic and hydrodynamic techniques, in aqueous solution and in the presence of detergents, together with computational methods. Our results show that hCOA3 is an oligomeric protein, forming aggregates of different molecular masses in aqueous solution. Moreover, on the basis of fluorescence and circular dichroism results, the protein has (i) its unique tryptophan partially shielded from solvent and (ii) a relatively high percentage of secondary structure. However, this structure is highly flexible and does not involve hydrogen bonding. Experiments in the presence of detergents suggest a slightly higher content of nonrigid helical structure. Theoretical results, based on studies of the primary structure of the protein, further support the idea that hCOA3 is a disordered protein. We suggest that the flexibility of hCOA3 is crucial for its interaction with other proteins to favor mitochondrial protein translocation and assembly of proteins involved in the respiratory chain.

Published
2016

274. Transmission of HIV drug resistance and the predicted effect on current first-line regimens in Europe

Author

Hofstra, L.M. Sauvageot, N. Albert, J. Alexiev, I. Garcia, F. Struck, D. Van De Vijver, D.A.M.C. Åsjö, B. Beshkov, D. Coughlan, S. Descamps, D. Griskevicius, A. Hamouda, O. Horban, A. Van Kasteren, M. Kolupajeva, T. Kostrikis, L.G. Liitsola, K. Linka, M. Mor, O. Nielsen, C. Otelea, D. Paraskevis, D. Paredes, R. Poljak, M. Puchhammer-Stöckl, E. Sönnerborg, A. Staneková, D. Stanojevic, M. Van Laethem, K. Zazzi, M. Lepej, S.Z. Boucher, C.A.B. Schmit, J.-C. Wensing, A.M.J. Puchhammer-Stockl, E. Sarcletti, M. Schmied, B. Geit, M. Balluch, G. Vandamme, A.-M. Vercauteren, J. Derdelinckx, I. Sasse, A. Bogaert, M. Ceunen, H. De Roo, A. De Wit, S. Echahidi, F. Fransen, K. Goffard, J.-C. Goubau, P. Goudeseune, E. Yombi, J.-C. Lacor, P. Liesnard, C. Moutschen, M. Pierard, D. Rens, R. Schrooten, Y. Vaira, D. Vandekerckhove, L.P.R. Van Den Heuvel, A. Van Der Gucht, B. Van Ranst, M. Van Wijngaerden, E. Vandercam, B. Vekemans, M. Verhofstede, C. Clumeck, N. Begovac, J. Demetriades, I. Kousiappa, I. Demetriou, V. Hezka, J. Maly, M. Machala, L. Jørgensen, L.B. Gerstoft, J. Mathiesen, L. Pedersen, C. Nielsen, H. Laursen, A. Kvinesdal, B. Ristola, M. Suni, J. Sutinen, J. Assoumou, L. Castor, G. Grude, M. Flandre, P. Storto, A. Kücherer, C. Berg, T. Braun, P. Poggensee, G. Däumer, M. Eberle, J. Heiken, H. Kaiser, R. Knechten, H. Korn, K. Müller, H. Neifer, S. Schmidt, B. Walter, H. Gunsenheimer-Bartmeyer, B. Harrer, T. Hatzakis, A. Zavitsanou, A. Vassilakis, A. Lazanas, M. Chini, M. Lioni, A. Sakka, V. Kourkounti, S. Paparizos, V. Antoniadou, A. Papadopoulos, A. Poulakou, G. Katsarolis, I. Protopapas, K. Chryssos, G. Drimis, S. Gargalianos, P. Xylomenos, G. Lourida, G. Psichogiou, M. Daikos, G.L. Sipsas, N.V. Kontos, A. Gamaletsou, M.N. Koratzanis, G. Sambatakou, E. Mariolis, H. Skoutelis, A. Papastamopoulos, V. Georgiou, O. Panagopoulos, P. Maltezos, E. De Gascun, C. Byrne, C. Duffy, M. Bergin, C. Reidy, D. Farrell, G. Lambert, J. O'Connor, E. Rochford, A. Low, J. Coakely, P. O'Dea, S. Hall, W. Levi, I. Chemtob, D. Grossman, Z. De Luca, A. Balotta, C. Riva, C. Mussini, C. Caramma, I. Capetti, A. Colombo, M.C. Rossi, C. Prati, F. Tramuto, F. Vitale, F. Ciccozzi, M. Angarano, G. Rezza, G. Vasins, O. Lipnickiene, V. Hemmer, R. Arendt, V. Michaux, C. Staub, T. Sequin-Devaux, C. Van Kessel, A. Van Bentum, P.H.M. Brinkman, K. Connell, B.J. Van Der Ende, M.E. Hoepelman, I.M. Kuipers, M. Langebeek, N. Richter, C. Santegoets, R.M.W.J. Schrijnders-Gudde, L. Schuurman, R. Van De Ven, B.J.M. Kran, A.-M.B. Ormaasen, V. Aavitsland, P. Stanczak, J.J. Stanczak, G.P. Firlag-Burkacka, E. Wiercinska-Drapalo, A. Jablonowska, E. Maolepsza, E. Leszczyszyn-Pynka, M. Szata, W. Camacho, R. Palma, C. Borges, F. Paixão, T. Duque, V. Araújo, F. Paraschiv, S. Tudor, A.M. Cernat, R. Chiriac, C. Dumitrescu, F. Prisecariu, L.J. Jevtovic, Dj. Salemovic, D. Stanekova, D. Habekova, M. Chabadová, Z. Drobkova, T. Bukovinova, P. Shunnar, A. Truska, P. Lunar, M. Babic, D. Tomazic, J. Vidmar, L. Vovko, T. Karner, P. Monge, S. Moreno, S. Del Amo, J. Asensi, V. Sirvent, J.L. De Mendoza, C. Delgado, R. Gutiérrez, F. Berenguer, J. Garcia-Bujalance, S. Stella, N. De Los Santos, I. Blanco, J.R. Dalmau, D. Rivero, M. Segura, F. Elías, M.J.P. Alvarez, M. Chueca, N. Rodríguez-Martín, C. Vidal, C. Palomares, J.C. Viciana, I. Viciana, P. Cordoba, J. Aguilera, A. Domingo, P. Galindo, M.J. Miralles, C. Del Pozo, M.A. Ribera, E. Iribarren, J.A. Ruiz, L. De La Torre, J. Vidal, F. Clotet, B. Heidarian, A. Aperia-Peipke, K. Axelsson, M. Mild, M. Karlsson, A. Thalme, A. Navér, L. Bratt, G. Blaxhult, A. Gisslén, M. Svennerholm, B. Björkman, P. Säll, C. Mellgren, Å. Lindholm, A. Kuylenstierna, N. Montelius, R. Azimi, F. Johansson, B. Carlsson, M. Johansson, E. Ljungberg, B. Ekvall, H. Strand, A. Mäkitalo, S. Öberg, S. Holmblad, P. Höfer, M. Holmberg, H. Josefson, P. Ryding, U. Bergbrant, I. SPREAD Program

Abstract

Background. Numerous studies have shown that baseline drug resistance patterns may influence the outcome of antiretroviral therapy. Therefore, guidelines recommend drug resistance testing to guide the choice of initial regimen. In addition to optimizing individual patient management, these baseline resistance data enable transmitted drug resistance (TDR) to be surveyed for public health purposes. The SPREAD program systematically collects data to gain insight into TDR occurring in Europe since 2001. Methods. Demographic, clinical, and virological data from 4140 antiretroviral-naive human immunodeficiency virus (HIV)-infected individuals from 26 countries who were newly diagnosed between 2008 and 2010 were analyzed. Evidence of TDR was defined using the WHO list for surveillance of drug resistance mutations. Prevalence of TDR was assessed over time by comparing the results to SPREAD data from 2002 to 2007. Baseline susceptibility to antiretroviral drugs was predicted using the Stanford HIVdb program version 7.0. Results. The overall prevalence of TDR did not change significantly over time and was 8.3% (95% confidence interval, 7.2%-9.5%) in 2008-2010. The most frequent indicators of TDR were nucleoside reverse transcriptase inhibitor (NRTI) mutations (4.5%), followed by nonnucleoside reverse transcriptase inhibitor (NNRTI) mutations (2.9%) and protease inhibitor mutations (2.0%). Baseline mutations were most predictive of reduced susceptibility to initial NNRTI-based regimens: 4.5% and 6.5% of patient isolates were predicted to have resistance to regimens containing efavirenz or rilpivirine, respectively, independent of current NRTI backbones. Conclusions. Although TDR was highest for NRTIs, the impact of baseline drug resistance patterns on susceptibility was largest for NNRTIs. The prevalence of TDR assessed by epidemiological surveys does not clearly indicate to what degree susceptibility to different drug classes is affected. © The Author 2015.

Published
2016

275. Combination of Thrombolysis and Statins in Acute Stroke Is Safe Results of the STARS Randomized Trial (Stroke Treatment With Acute Reperfusion and Simvastatin)

Author

Montaner, J, Bustamante, A, Garcia-Matas, S, Martinez-Zabaleta, M, Jimenez, C, de la Torre, J, Rubio, FR, Segura, T, Masjuan, J, Canovas, D, Freijo, M, Delgado-Mederos, R, Tejada, J, Lago, A, Bravo, Y, Corbeto, N, Giralt, D, Vives-Pastor, B, de Arce, A, Moniche, F, Delgado, P, Ribo, M, and STARS Investigators

Subjects
Male, Simvastatin, medicine.medical_specialty, thrombolysis, medicine.medical_treatment, 030204 cardiovascular system & hematology, Placebo, Brain Ischemia, law.invention, 03 medical and health sciences, 0302 clinical medicine, Double-Blind Method, Fibrinolytic Agents, Randomized controlled trial, Modified Rankin Scale, law, Internal medicine, Outcome Assessment, Health Care, medicine, Humans, simvastatin, Stroke, Aged, Aged, 80 and over, Advanced and Specialized Nursing, business.industry, clinical trial, Thrombolysis, Odds ratio, Middle Aged, medicine.disease, stroke, Surgery, Clinical trial, Tissue Plasminogen Activator, Drug Therapy, Combination, Female, neuroprotection, Neurology (clinical), Hydroxymethylglutaryl-CoA Reductase Inhibitors, Cardiology and Cardiovascular Medicine, business, 030217 neurology & neurosurgery, medicine.drug
Abstract

Background and Purpose— The STARS trial (Stroke Treatment With Acute Reperfusion and Simvastatin) was conducted to demonstrate the efficacy and safety of simvastatin treatment in acute stroke. Methods— STARS07 was a multicentre, phase IV, prospective, randomized, double-blind, placebo-controlled trial. Patients with Acute ischemic stroke recruited within 12 hours from symptom onset were randomized to oral simvastatin 40 mg or placebo, once daily for 90 days. Primary outcome was proportion of independent patients (modified Rankin Scale score of ≤2) at 90 days. Safety end points were hemorrhagic transformation, hemorrhagic events, death, infections, and serious adverse events. Results— From April 2009 to March 2014, 104 patients were included. Fifty-five patients received intravenous tissue-type plasminogen activator. No differences were found between treatment arms regarding the primary outcome (adjusted odds ratio, 0.99 [0.35–2.78]; P =0.98). Concerning safety, no significant differences were found in the rate of hemorrhagic transformation of any type, nor symptomatic hemorrhagic transformation. There were no differences in other predefined safety outcomes. In post hoc analyses, for patients receiving tissue-type plasminogen activator, a favorable effect for simvastatin treatment was noted with higher proportion of patients experiencing major neurological recovery (adjusted odds ratio, 4.14 [1.18–14.4]; P =0.02). Conclusions— Simvastatin plus tissue-type plasminogen activator combination seems safe in acute stroke, with low rates of bleeding complications. Because of the low recruitment, the STARS trial was underpowered to detect differences in simvastatin efficacy. Clinical Trial Registration— URL: http://www.clinicaltrials.gov . Unique identifier: NCT01073007.

Published
2016

276. Executive summary of the GESIDA/National AIDS Plan Consensus Document on Antiretroviral Therapy in Adults Infected by the Human Immunodeficiency Virus (Updated January 2016)

Author

Rivero, A, Polo, R, Aldeguer, JL, Lozano, F, Antela, A, Aguirrebengoa, K, Arribas, JR, Asensi, V, Berenguer, J, Blanco, JR, Boix, V, Casado, JL, Clotet, B, Crespo, M, Domingo, P, Duenas, C, Estrada, V, Garcia, F, Gatell, JM, Gomez-Sirvent, JL, Gonzalez-Garcia, J, Gutierrez, F, Iribarren, JA, Knobel, H, Llibre, JM, Losa, JE, Mallolas, J, Marino, A, Miro, JM, Moreno, S, Palacios, R, Pineda, JA, Pulido, F, Ribera, E, Rubio, R, Moreno, JS, Sanz, JS, Tellez, MJ, de la Torre, J, Tuset, M, Molina, JAP, and Spanish Soc Infectious Dis Clin Mi

Subjects
AIDS, Antiretroviral treatment, Human immunodeficiency virus infection, Spanish National AIDS Plan, Antiretroviral drugs, GESIDA, Guideline, Recommendations
Abstract

In this update, antiretroviral therapy (ART) is recommended for all patients infected by type 1 human immunodeficiency virus (HIV-1). The objective of ART is to achieve an undetectable plasma viral load (PVL). Initial ART should comprise 3 drugs, namely, 2 nucleoside reverse transcriptase inhibitors (NRTI), and I drug from another family. Four of the recommended regimens, all of which have an integrase strand transfer inhibitor (INSTI) as the third drug, are considered a preferred regimen; a further 6 regimens, which are based on an INSTI, a non-nucleoside reverse transcriptase inhibitor (NNRTI), or a protease inhibitor boosted with cobicistat or ritonavir (PI/COBI, PI/r), are considered alternatives. The reasons and criteria for switching ART are presented both for patients with an undetectable PVL and for patients who experience virological failure, in which case the rescue regimen should include 3 (or at least 2) drugs that are fully active against HIV. The specific criteria for ART in special situations (acute infection, HIV-2 infection, pregnancy) and comorbid conditions (tuberculosis and other opportunistic infections, kidney disease, liver disease, and cancer) are updated. (C) 2016 Elsevier Espana, S.L.U. and Sociedad Espanola de Enfermedades Infecciosas y Microbiologia Clinica. All rights reserved.

Published
2016

278. Calibration of a large water-Cherenkov detector at the Sierra Negra site of LAGO

Author

Galindo, A., primary, Moreno, E., additional, Carrasco, E., additional, Torres, I., additional, Carramiñana, A., additional, Bonilla, M., additional, Salazar, H., additional, Conde, R., additional, Alvarez, W., additional, Alvarez, C., additional, Araujo, C., additional, Areso, O., additional, Arnaldi, H., additional, Asorey, H., additional, Audelo, M., additional, Barros, H., additional, Bonnett, M., additional, Calderon, R., additional, Calderon, M., additional, Campos-Fauth, A., additional, Carrera, E., additional, Cazar, D., additional, Cifuentes, E., additional, Collogo, D., additional, Cotzomi, J., additional, Dasso, S., additional, De Castro, A., additional, De La Torre, J., additional, De León, R., additional, Estupiñan, A., additional, Galindo, A., additional, García, L., additional, Gomez Berisso, M., additional, González, M., additional, Guevara, W., additional, Gulisano, A.M., additional, Hernández, H., additional, Jaimes, A., additional, López, J., additional, Mantilla, C., additional, Martín, R., additional, Martinez-Mendez, A., additional, Martínez, O., additional, Martins, E., additional, Macías-Meza, J.J., additional, Mayo-García, R., additional, Melo, T., additional, Mendoza, J., additional, Miranda, P., additional, Montes, E., additional, Morales, E., additional, Morales, I., additional, Murrugarra, C., additional, Nina, C., additional, Núñez, L.A., additional, Núñez-Castiñeyra, A., additional, Otiniano, L., additional, Peña-Rodríguez, J., additional, Perenguez, J., additional, Pérez, H., additional, Pérez, Y., additional, Pérez, G., additional, Pinilla-Velandia, S., additional, Ponce, E., additional, Quishpe, R., additional, Quispe, F., additional, Ramelli, M., additional, Reyes, K., additional, Rivera, H., additional, Rodriguez, J., additional, Rodríguez-Ferreira, J., additional, Rodríguez-Pascual, M., additional, Romero, M., additional, Rubio-Montero, A.J., additional, Salinas, J., additional, Sarmiento-Cano, C., additional, Sidelnik, I., additional, Sofo Haro, M., additional, Suárez-Durán, M., additional, Subieta, M., additional, Tello, J., additional, Ticona, R., additional, Torres-Niõ, L., additional, Truyenque, J., additional, Valencia-Otero, M., additional, Vargas, S., additional, Vásquez, N., additional, Villaseñor, L., additional, Zamalloa, M., additional, and Zavala, L., additional

Published
2017
Full Text
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286. Constraints on non-Standard Model Higgs boson interactions in an effective Lagrangian using differential cross sections measured in the H → γγ decay channel at √s=8 TeV with the ATLAS detector

Author

ATLAS Collaboration, Aad, G., Arnal, V., Barreiro, Fernando, Cantero, J., De la Torre, J., Del Peso, J., Glasman, C., Llorente Merino, J., Terrón, J., and UAM. Departamento de Física Teórica

Subjects
Higgs boson, Physics, Física, ATLAS
Abstract

Artículo escrito por un elevado número de autores, solo se referencian el que aparece en primer lugar, el nombre del grupo de colaboración, si le hubiere, y los autores pertenecientes a la UAM, The strength and tensor structure of the Higgs boson's interactions are investigated using an effective Lagrangian, which introduces additional CP-even and CP-odd interactions that lead to changes in the kinematic properties of the Higgs boson and associated jet spectra with respect to the Standard Model. The parameters of the effective Lagrangian are probed using a fit to five differential cross sections previously measured by the ATLAS experiment in the H→γγ decay channel with an integrated luminosity of 20.3 fb-1 at √s=8 TeV. In order to perform a simultaneous fit to the five distributions, the statistical correlations between them are determined by re-analysing the H→γγ candidate events in the proton-proton collision data. No significant deviations from the Standard Model predictions are observed and limits on the effective Lagrangian parameters are derived. The statistical correlations are made publicly available to allow for future analysis of theories with non-Standard Model interactions, We acknowledge the support of ANPCyT, Argentina; YerPhI, Armenia; ARC, Australia; BMWFW and FWF, Austria; ANAS, Azerbaijan; SSTC, Belarus; CNPq and FAPESP, Brazil; NSERC, NRC and CFI, Canada; CERN; CONICYT, Chile; CAS, MOST and NSFC, China; COLCIENCIAS, Colombia; MSMT CR, MPO CR and VSC CR, Czech Republic; DNRF, DNSRC and Lundbeck Foundation, Denmark; IN2P3-CNRS, CEA-DSM/IRFU, France; GNSF, Georgia; BMBF, HGF, and MPG, Germany; GSRT, Greece; RGC, Hong Kong SAR, China; ISF, I-CORE and Benoziyo Center, Israel; INFN, Italy; MEXT and JSPS, Japan; CNRST, Morocco; FOM and NWO, Netherlands; RCN, Norway; MNiSW and NCN, Poland; FCT, Portugal; MNE/IFA, Romania; MES of Russia and NRC KI, Russian Federation; JINR; MESTD, Serbia; MSSR, Slovakia; ARRS and MIZŠ, Slovenia; DST/NRF, South Africa; MINECO, Spain; SRC and Wallenberg Foundation, Sweden; SERI, SNSF and Cantons of Bern and Geneva, Switzerland; MOST, Taiwan; TAEK, Turkey; STFC, United Kingdom; DOE and NSF, United States of America. In addition, individual groups and members have received support from BCKDF, the Canada Council, Canarie, CRC, Compute Canada, FQRNT, and the Ontario Innovation Trust, Canada; EPLANET, ERC, FP7, Horizon 2020 and Marie Skłodowska- Curie Actions, European Union; Investissements d’Avenir Labex and Idex, ANR, Region Auvergne and Fondation Partager le Savoir, France; DFG and AvH Foundation, Germany; Herakleitos, Thales and Aristeia programmes co-financed by EU-ESF and the Greek NSRF; BSF, GIF and Minerva, Israel; BRF, Norway; the Royal Society and Leverhulme Trust, United Kingdom. The crucial computing support from all WLCG partners is acknowledged gratefully, in particular from CERN and the ATLAS Tier- 1 facilities at TRIUMF (Canada), NDGF (Denmark, Norway, Sweden), CC-IN2P3 (France), KIT/GridKA (Germany), INFN-CNAF (Italy), NL-T1 (Netherlands), PIC (Spain), ASGC (Taiwan), RAL (UK) and BNL (USA) and in the Tier-2 facilities worldwide

Published
2015

287. Evaluation of a Bactericidal Product Applied by Micronebulization

Author

Linares, L. H., Guirin, G., Stambullian, J., Brusa, V., de la Torre, J. H., Ortega, E. E., Copes, J., and Leotta, Gerardo Anibal

Subjects
CIENCIAS AGRÍCOLAS, Otras Ciencias Veterinarias, Ciencias Veterinarias, CONTAMINACION AMBIENTAL, purl.org/becyt/ford/4.3 [https], purl.org/becyt/ford/4 [https], PEROXIDO DE HIDROGENO, ACCION BACTERICIDA
Abstract

La contaminación ambiental puede representar un problema para la salud pública. El objetivo de este trabajo fue evaluar el poder bactericida de un producto a base de peróxido de hidrógeno y sales de plata aplicado mediante micronebulización. El estudio fue realizado en ambientes con distinta frecuencia de procedimientos operativos estandarizados de sanitización: un aula universitaria y un quirófano. Previo a la aplicación del producto bactericida se colectaron muestras de superficies y aire para recuento de mesófilos. A los 12 min de aplicado el producto se tomaron muestras ambientales para determinar el efecto inmediato. El efecto residual se evaluó hasta 17 h posteriores a la aplicación. En el aula los mayores recuentos iniciales se observaron en la lámpara y pisos. Luego de aplicado el producto los mejores resultados se observaron en el aire mientras que en las superficies los resultados fueron variables. En el quirófano, el mayor desarrollo pretratamiento se detectó en aire y pisos. El efecto inmediato tuvo una eficacia absoluta en todas las muestras excepto en pisos, mientras que el efecto residual arrojó resultados negativos hasta 17 h posteriores. La alternativa evaluada fue eficaz y novedosa. Es interesante desarrollar estos sistemas como herramienta para mejorar la eficiencia del procedimiento operativo estandarizado de sanitización en ambientes controlados a nivel industrial. Environmental contamination may represent a public health problem. We evaluated the bactericide power of a product containing hydrogen peroxide and silver salts applied by micronebulization in rooms with different frequency of sanitation standard operating procedures: a university classroom and an operating room. Before applying the bactericidal product, surface and air samples were collected for mesophilic count. Environmental samples were collected after 12 min of product application to determine the immediate effect. The residual effect was evaluated up to 17 h after application. In the classroom, the highest initial counts were observed on a lamp and floor. After application of the product, the best results were observed in the air whereas results were variable on the surfaces sampled. In the operating room, pre-treatment counts were higher in the air and floors. The immediate effect was totally efficient in all samples excepting floors, whereas the residual effect showed negative results up to 17 h after application. The alternative tested was effective and novel; therefore, its development would improve the efficiency of sanitation standard operating procedures in industrially controlled environments. Fil: Linares, L. H.. Universidad Nacional de La Plata. Facultad de Ciencias Veterinarias; Argentina Fil: Guirin, G.. Universidad Nacional de Lanus; Argentina Fil: Stambullian, J.. Centro De Estudios Infectologicos Dr. Stamboulian; Argentina Fil: Brusa, V.. Universidad Nacional de La Plata. Facultad de Ciencias Veterinarias; Argentina Fil: de la Torre, J. H.. Universidad Nacional de La Plata. Facultad de Ciencias Veterinarias; Argentina Fil: Ortega, E. E.. Universidad Nacional de La Plata. Facultad de Ciencias Veterinarias; Argentina Fil: Copes, J.. Universidad Nacional de La Plata. Facultad de Ciencias Veterinarias; Argentina Fil: Leotta, Gerardo Anibal. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico La Plata. Instituto de Genética Veterinaria "Ingeniero Fernando Noel Dulout"; Argentina. Universidad Nacional de La Plata. Facultad de Ciencias Veterinarias; Argentina

Published
2015

288. Primary resistance to integrase strand-transfer inhibitors in Europe

Author

Casadellà, M. van Ham, P.M. Noguera-Julian, M. van Kessel, A. Pou, C. Hofstra, L.M. Santos, J.R. Garcia, F. Struck, D. Alexiev, I. Bakken Kran, A.M. Hoepelman, A.I. Kostrikis, L.G. Somogyi, S. Liitsola, K. Linka, M. Nielsen, C. Otelea, D. Paraskevis, D. Poljak, M. Puchhammer-Stöckl, E. Staneková, D. Stanojevic, M. Van Laethem, K. Zidovec Lepej, S. Clotet, B. Boucher, C.A.B. Paredes, R. Wensing, A.M.J. Puchhammer-Stöckl, E. Sarcletti, M. Schmied, B. Geit, M. Balluch, G. Vandamme, A.M. Vercauteren, J. Derdelinckx, I. Sasse, A. Bogaert, M. Ceunen, H. De Roo, A. De Wit, S. Echahidi, F. Fransen, K. Goffard, J.C. Goubau, P. Goudeseune, E. Yombi, J.C. Lacor, P. Liesnard, C. Moutschen, M. Pierard, D. Rens, R. Schrooten, Y. Vaira, D. Vandekerckhove, L.P. Van den Heuvel, A. Van Der Gucht, B. Van Ranst, M. Van Wijngaerden, E. Vandercam, B. Vekemans, M. Verhofstede, C. Clumeck, N. Van Laethem, K. Beshkov, D. Alexiev, I. Zidovec Lepej, S. Begovac, J. Demetriades, I. Kousiappa, I. Demetriou, V. Hezka, J. Linka, M. Machala, L. Maly, M. Nielsen, C. Jørgensen, L.B. Gerstoft, J. Mathiesen, L. Pedersen, C. Nielsen, H. Laursen, A. Kvinesdal, B. Liitsola, K. Ristola, M. Suni, J. Sutinen, J. Hamouda, O. Kücherer, C. Berg, T. Braun, P. Poggensee, G. Däumer, M. Eberle, J. Heiken, H. Kaiser, R. Knechten, H. Korn, K. Müller, H. Neifer, S. Schmidt, B. Walter, H. Gunsenheimer-Bartmeyer, B. Harrer, T. Paraskevis, D. Hatzakis, A. Magiorkinis, E. Hatzitheodorou, E. Haida, C. Zavitsanou, A. Magiorkinis, G. Lazanas, M. Chini, M. Magafas, N. Tsogas, N. Paparizos, V. Kourkounti, S. Antoniadou, A. Papadopoulos, A. Panagopoulos, P. Poulakou, G. Sakka, V. Chryssos, G. Drimis, S. Gargalianos, P. Lelekis, M. Chilomenos, G. Psichogiou, M. Daikos, G.L. Sabatakou, H. Panos, G. Haratsis, G. Kordossis, T. Kontos, A. Koratzanis, G. Theodoridou, M. Mostrou, G. Spoulou, V. Schmit, J.C. Struck, D. Hemmer, R. Arendt, V. Staub, T. Schneider, F. Roman, F. Wensing, A.M. Boucher, C.A. van de Vijver, D.A. van Kessel, A. van, P.H. Brinkman, K. Op de, E.L. van der Ende, M.E. Hoepelman, I.M. van Kasteren, M. Juttmann, J. Kuipers, M. Langebeek, N. Richter, C. Santegoets, R.M. Schrijnders-Gudde, L. Schuurman, R. van de Ven, B.J. Åsjö, B. Bakken, A.M. Ormaasen, V. Aavitsland, P. Otelea, D. Paraschiv, S. Tudor, A.M. Jevtovic, D. Salemovic, D. Stanekova, D. Habekova, M. Mokras, M. Truska, P. Poljak, M. Lunar, M. Babic, D. Tomazic, J. Vidmar, L. Vovko, T. Karner, P. Clotet, B. Garcia, F. Domingo, P. Galindo, M.J. Miralles, C. Del, M.A. Ribera, E. Iribarren, J.A. Ruiz, L. de la Torre, J. Vidal, F. Garcia, F. Paredes, R. on behalf of the SPREAD programme

Abstract

Objectives: The objective of this study was to define the natural genotypic variation of the HIV-1 integrase gene across Europe for epidemiological surveillance of integrase strand-transfer inhibitor (InSTI) resistance. Methods: This was a multicentre, cross-sectional study within the European SPREAD HIV resistance surveillance programme. A representative set of 300 samples was selected from 1950 naive HIV-positive subjects newly diagnosed in 2006-07. The prevalence of InSTI resistance was evaluated using quality-controlled baseline population sequencing of integrase. Signature raltegravir, elvitegravir and dolutegravir resistance mutations were defined according to the IAS-USA 2014 list. In addition, all integrase substitutions relative to HXB2 were identified, including those with a Stanford HIVdb score=10 to at least one InSTI. To rule out circulation of minority InSTIresistant HIV, 65 samples were selected for 454 integrase sequencing. Results: For the population sequencing analysis, 278 samples were retrieved and successfully analysed. No signature resistance mutations to any of the InSTIswere detected. Eleven (4%) subjects hadmutations at resistance-associated positions with an HIVdb score =10. Of the 56 samples successfully analysed with 454 sequencing, no InSTI signature mutationsweredetected, whereas integrase substitutionswithanHIVdbscore=10were found in8(14.3%) individuals. Conclusions:No signature InSTI-resistant variantswere circulating in Europe before the introduction of InSTIs. However, polymorphisms contributing to InSTI resistancewere not rare. As InSTI use becomes more widespread, continuous surveillance of primary InSTI resistance is warranted. These data will be key to modelling the kinetics of InSTI resistance transmission in Europe in the coming years. © The Author 2015. Published by Oxford University Press on behalf of the British Society for Antimicrobial Chemotherapy. All rights reserved.

Published
2015

289. Changes in Quality of Life after 3months of Usual Care in a Large Sample of Patients with Noncancer Pain: The 'QOOL: Quality of Life and Pain' Study

Author

Rivera I, Escobar M, Riera J, de la Torre J, Vazquez P, Mesa J, Casado A, Fuentes M, and Ares J

Subjects
quality of life, pain clinics, usual care, Spain, cohort study, pain
Abstract

Large-scale observational studies can provide useful information on changes in health outcomes over time. The aim of this study was to investigate the effect of 3months of usual care on quality of life (QOL) and pain outcomes in noncancer chronic pain patients managed by pain specialists and to examine factors associated with changes in QOL. This was assessed using the EQ-5D and pain outcomes using the Brief Pain Inventory (BPI). Changes in QOL and pain were studied for the overall sample and in subgroups defined by baseline pain severity. Multivariate regression was used to investigate factors associated with change on EQ-5D. Three thousand and twenty-nine patients were included for analysis. After 3months of usual care, a mean of 40.9% of patients showed improvement on individual EQ-5D dimensions, with the highest rates of improvement seen on the pain/discomfort (50.8%) and anxiety/depression (48.3%) dimensions. The EQ-5D Index increased from a mean (SD) of 0.35 (0.2) to 0.58 (0.21) points between baseline and month 3, and the thermometer from 41.5 (19.4) to 58.7 (17.8), indicating a large effect. Improvements in QOL were larger in those with severe baseline pain. The BPI severity summary score improved from a mean (SD) of 6.5 (1.4) to 4.1 (1.7) and the interference summary score from 6.6 (1.5) to 4.2 (1.9). Changes on the BPI severity and interference scores were associated with changes in the EQ-5D Index and thermometer. In conclusion, 3months of usual care in noncancer pain patients led to substantial improvements in QOL and pain outcomes.

Published
2015

290. Primary resistance to integrase strand-transfer inhibitors in Europe

Author

Moutschen, M., Casadellà, M., van Ham, P. M., Noguera-Julian, M., van Kessel, A., Pou, C., Hofstra, Laura Marije Arije, Santos, J. R., Garcia, F., Struck, D., Alexiev, Ivailo, Bakken Kran, A. M., Hoepelman, A. I., Kostrikis, Leontios G., Somogyi, Sybille, Liitsola, K., Linka, M., Nielsen, C., Otelea, D., Paraskevis, Dimitrios N., Poljak, M., Puchhammer-Stöckl, E., Staneková, D., Stanojevic, M., Van Laethem, K., Zidovec Lepej, S., Clotet, B., Boucher, C. A. B., Paredes, R., Wensing, A. M. J., Sarcletti, M., Schmied, B., Geit, M., Balluch, G., Vandamme, A. M., Vercauteren, J., Derdelinckx, I., Sasse, A., Bogaert, M., Ceunen, H., De Roo, A., De Wit, S., Echahidi, F., Fransen, K., Goffard, J. C., Goubau, P., Goudeseune, E., Yombi, J. C., Lacor, P., Liesnard, C., Pierard, D., Rens, R., Schrooten, Y., Vaira, D., Vandekerckhove, L. P., Van den Heuvel, A., Van Der Gucht, B., Van Ranst, M., Van Wijngaerden, E., Vandercam, B., Vekemans, M., Verhofstede, C., Clumeck, N., Beshkov, Danail, Begovac, J., Demetriades, Ioannis, Kousiappa, Ioanna, Demetriou, Victoria L., Hezka, Johana, Machala, L., Maly, M., Jørgensen, L. B., Gerstoft, J., Mathiesen, L., Pedersen, C., Nielsen, H., Laursen, A., Kvinesdal, B., Ristola, M., Suni, J., Sutinen, J., Hamouda, O., Kücherer, C., Berg, T., Braun, P., Poggensee, G., Däumer, M., Eberle, J., Heiken, H., Kaiser, R., Knechten, H., Korn, K., Müller, H., Neifer, S., Schmidt, B., Walter, H., Gunsenheimer-Bartmeyer, B., Harrer, T., Hatzakis, Angelos E., Magiorkinis, Emmanouil N., Hatzitheodorou, Eleni, Haida, Catherine, Zavitsanou, Assimina, Magiorkinis, Gkikas, Lazanas, Marios C., Chini, Maria C., Magafas, N., Tsogas, Nickolaos, Paparizos, Vassilios A., Kourkounti, Sofia, Antoniadou, Anastasia C., Papadopoulos, Antonios I., Panagopoulos, Periklis, Poulakou, Garyphallia G., Sakka, V., Chryssos, Georgios, Drimis, Stylianos, Gargalianos, Panagiotis, Lelekis, Moyssis I., Chilomenos, G., Psichogiou, Mina A., Daikos, George L., Sabatakou, H., Panos, George, Haratsis, G., Kordossis, Theodore, Kontos, Athanasios N., Koratzanis, Georgios, Theodoridou, Maria C., Mostrou, Glykeria J., Spoulou, Vana I., Schmit, J. C., Hemmer, R., Arendt, V., Staub, T., Schneider, F., Roman, F., Wensing, A. M., Boucher, C. A., van de Vijver, D. A., van, P. H., Brinkman, K., Op de, E. L., van der Ende, M. E., Hoepelman, I. M., van Kasteren, M., Juttmann, J., Kuipers, M., Langebeek, N., Richter, C., Santegoets, R. M., Schrijnders-Gudde, L., Schuurman, R., van de Ven, B. J., Åsjö, Birgitta, Bakken, A. M., Ormaasen, V., Aavitsland, P., Paraschiv, S., Tudor, A. M., Jevtovic, D., Salemovic, D., Stanekova, D., Habekova, M., Mokráš, Miloš, Truska, P., Lunar, M., Babic, Dunja Z., Tomazic, J., Vidmar, L., Vovko, T., Karner, P., Domingo, P., Galindo, M. J., Miralles, C., Del, M. A., Ribera, E., Iribarren, J. A., Ruiz, L., de la Torre, J., Vidal, F., Kostrikis, Leontios G. [0000-0002-5340-7109], and Paraskevis, Dimitrios [0000-0001-6167-7152]

Subjects
sequence analysis, genotype, Human immunodeficiency virus 1, HIV Infections, RNA directed DNA polymerase inhibitor, integrase strand transfer inhibitor, HIV Integrase, molecular epidemiology, Human immunodeficiency virus prevalence, Risk Factors, Antiretroviral Therapy, Highly Active, genetic variability, genetics, Stanford HIVdb score, clinical trial, Human immunodeficiency virus infected patient, highly active antiretroviral therapy, Viral Load, unclassified drug, virology, health survey, dolutegravir, Europe, female, risk factor, Population Surveillance, virus gene, raltegravir, amino acid substitution, p31 integrase protein, Human immunodeficiency virus 1, DNA sequence, gene sequence, Article, male, antiviral resistance, Drug Resistance, Viral, proteinase inhibitor, Humans, cross-sectional study, controlled study, human, HIV Integrase Inhibitors, quality control, scoring system, CD4 lymphocyte count, integrase inhibitor, Sequence Analysis, DNA, virus load, nonnucleoside reverse transcriptase inhibitor, Human immunodeficiency virus 1 infection, major clinical study, drug efficacy, Cross-Sectional Studies, multicenter study, drug effects, genetic variation, HIV-1, integrase
Abstract

Objectives: The objective of this study was to define the natural genotypic variation of the HIV-1 integrase gene across Europe for epidemiological surveillance of integrase strand-transfer inhibitor (InSTI) resistance. Methods: This was a multicentre, cross-sectional study within the European SPREAD HIV resistance surveillance programme. A representative set of 300 samples was selected from 1950 naive HIV-positive subjects newly diagnosed in 2006-07. The prevalence of InSTI resistance was evaluated using quality-controlled baseline population sequencing of integrase. Signature raltegravir, elvitegravir and dolutegravir resistance mutations were defined according to the IAS-USA 2014 list. In addition, all integrase substitutions relative to HXB2 were identified, including those with a Stanford HIVdb score=10 to at least one InSTI. To rule out circulation of minority InSTIresistant HIV, 65 samples were selected for 454 integrase sequencing. Results: For the population sequencing analysis, 278 samples were retrieved and successfully analysed. No signature resistance mutations to any of the InSTIswere detected. Eleven (4%) subjects hadmutations at resistance-associated positions with an HIVdb score =10. Of the 56 samples successfully analysed with 454 sequencing, no InSTI signature mutationsweredetected, whereas integrase substitutionswithanHIVdbscore=10were found in8(14.3%) individuals. Conclusions:No signature InSTI-resistant variantswere circulating in Europe before the introduction of InSTIs. However, polymorphisms contributing to InSTI resistancewere not rare. As InSTI use becomes more widespread, continuous surveillance of primary InSTI resistance is warranted. These data will be key to modelling the kinetics of InSTI resistance transmission in Europe in the coming years. © The Author 2015. Published by Oxford University Press on behalf of the British Society for Antimicrobial Chemotherapy. All rights reserved. 70 2885 2888 Cited By :15

Published
2015

291. Stallion sperm quality after combined ejaculate fractionation and colloidal centrifugation

Author

Crespo, F., Gosálvez, J., Johnston, S.D., De la Torre, J., and UAM. Departamento de Biología

Subjects
endocrine system, urogenital system, Ejaculate fractionation, DNA longevity, Equus caballus, Biología y Biomedicina / Biología, Colloidal centrifugation, Sperm DNA fragmentation, SCD
Abstract

This study investigated the possible additive benefit of ejaculate fractionation and colloidal centrifugation on stallion sperm quality. Using an open-end artificial vagina, the sperm-rich fraction (FRAC-1) was separated from the rest of the ejaculate (FRAC-2) and a third sperm sample representing the combined ejaculate was reconstituted post-ejaculation (RAW). Each semen sample was processed for colloidal centrifugation. The percentage of abnormal spermatozoa was 17.8 ± 7.0% in RAW and 14.6 ± 9.5% in FRAC-1 but decreased to 11.4 ± 4.7% and 9.6 ± 6.9% respectively, after colloidal centrifugation. A sperm DNA fragmentation index of 10.9 ± 5.1% was observed in RAW and 7.5 ± 2.4% in FRAC-1 semen collected with the AV but this decreased to 7.8 ± 2.8% and 5.2 ± 2.3% after colloidal centrifugation. The rate of increase in sperm DNA fragmentation during the first 6 h of incubation at 37 ºC was 1.8 ± 0.9% per hour in RAW semen and 2.0 ± 2.0% per hour in FRAC-1 but this significantly decreased to 1.3 ± 1.4% and 0.9 ± 0.8% respectively after colloidal centrifugation. While stallion seminal characteristics can be improved using colloidal centrifugation, further enhancement is possible if the ejaculate is initially fractionated, This research was supported by the Spanish Ministry of Economy and Competitiveness, MINECO (BFU-2013-44290-R)

Published
2015

292. Multiple linear least-squares fits with a common intercept: determination of the intrinsic viscosity of macromolecules in solution

Author

Martinez, M.C. Lopez, Banos, F.G. Diaz, Retuerto, A. Otega, and de la Torre, J. Garcia

Subjects
Viscosity -- Research, Least squares -- Research, Chemistry, Education, Science and technology
Abstract

The situations in which sets of (x,y) data obey linear relationships with a common intercept are analyzed. This revealed that intercepts in each fit are not identical.

Published
2003

293. First assessment of the conservation status of the jaguar Panthera onca in the Sierra Madre de Chiapas, Mexico.

Author

De La Torre, J. Antonio, Rivero, Marina, Camacho, Gamaliel, Álvarez-Márquez, Luis Arturo, and Medellín, Rodrigo A.

Subjects
*JAGUAR, *WILDLIFE conservation, *ENDANGERED species
Abstract

Although the Near Threatened jaguar Panthera onca ranges from the south-west USA to central Argentina, populations outside Amazonia are generally small and isolated. One such area, the Sierra Madre de Chiapas in the state of Chiapas, Mexico, is potentially an important area for jaguar conservation but information on the species in this region is limited and its conservation status is unknown. In this study we documented the occurrence and abundance of jaguars in the Sierra Madre de Chiapas complex. We compiled all available records of the species within the region and conducted a camera-trap survey during August 2015–December 2016. Interviews were conducted to determine the perception of the jaguar by cattle owners and to obtain information on any livestock predation. We found that jaguars still occur throughout the Sierra Madre de Chiapas landscape, including the plains on the Pacific Coast of Chiapas, but its abundance in the region is low. On the basis of our findings we have incorporated the Sierra Madre de Chiapas in Mexico's National Jaguar Conservation Strategy, and recommend that international organizations include this area in their priorities for jaguar conservation. To improve coexistence between jaguars and the communities of the Sierra Madre de Chiapas, strategies need to be developed, in collaboration with the local communities, to improve livestock practices for reduction of predation by jaguars, to strengthen government conservation policies and to implement educational and communication programmes about the importance of this species in the region. [ABSTRACT FROM AUTHOR]

Published
2019
Full Text
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294. Molecular dynamics simulation of a charged biological membrane.

Author

López Cascales, J. J., García de la Torre, J., Marrink, S. J., and Berendsen, H. J. C.

Subjects
*MOLECULAR dynamics, *LIQUID crystals, *SODIUM ions, *COULOMB functions, *DIFFUSION
Abstract

A molecular dynamics simulation of a membrane with net charge in its liquid-crystalline state was carried out. It was modeled by dipalmitoylphosphatidylserine lipids with net charge, sodium ions as counterions and water molecules. The behavior of this membrane differs from that was shown by other membranes without a net charge as a consequence of strong Coulomb interaction between atoms of adjacent phospholipids. The most remarkable effect produced by such interaction between neighboring lipids is a reduction of the surface area per phospholipid compared to an uncharged membrane. In addition, other properties of the membrane were also affected by this interaction between adjacent lipids such as the atom distribution across the membrane, the diffusion coefficient of the different components of the membrane and the order parameter of the phospholipid hydrocarbon region. Some comparisons of this membrane with dipalmitoylphosphatidylcholine membrane without net charge at similar conditions are presented. © 1996 American Institute of Physics. [ABSTRACT FROM AUTHOR]

Published
1996

295. Simulation of polymer chains in elongational flow. Kinetics of chain fracture and fragment distribution.

Author

López Cascales, J. J. and García de la Torre, J.

Subjects
*POLYMERS, *MOLECULAR dynamics
Abstract

In this paper the Brownian dynamics technique for computer simulation of the fracture of polymer chains in a dilute solution subjected to elongational flow was used. Individual randomly coiled chains are placed at the stagnation point of a steady, uniaxial flow, and their evolution with time is monitored for chain fracture. The chains are modeled either as Rouse chains with a cutoff spring length, or as chains of springs obeying a Morse potential. Kinetic parameters are the first-order kinetic constant and the half-life time. The dependence of these parameters with elongational rate and chain length is expressed in the form of scaling laws, and the results are compared for the two models. Also studied was the size distribution of the resulting fracture fragments, finding that it may vary from sharply peaked to uniform, depending on the strength of the flow. [ABSTRACT FROM AUTHOR]

Published
1992

296. Simulation of polymer chains in elongational flow. Steady-state properties and chain fracture.

Author

Cascales, J. J. Lopez and de la Torre, J. Garcia

Subjects
*WIENER processes, *POLYMERS
Abstract

The behavior of polymer chains in steady, uniaxial elongational flows is studied using the Brownian dynamics simulation technique. Two different types of chain models are considered. One is the bead-and-spring Rouse chain and the other is a chain with breakable connectors that obey a Morse potential. The dynamics of Rouse chains and Morse chains is simulated both without and with hydrodynamic interaction (HI) between chain elements. From the simulated trajectories, steady-state properties such as chain dimensions and elongational viscosities are calculated. When HI is accounted for by using the Rotne–Prager–Yamakawa tensor, the calculated dimensions and viscosities are appreciably lower than when it is neglected. Carrying out simulations with varying elongational rate, it is possible to observe stretching and finally the fracture of the polymer chains. The critical elongational rate, corresponding to infinite elongation in the case of Rouse chains, and the fracture of the Morse chains has been characterized as a function of chain length. When the short length of the simulated chains is accounted for adequately, we find that the elongational rate needed for fracture εf scales with molecular weight M as εf∝M-2. This result, which had already been predicted rigorously without HI, holds in practice as well when hydrodynamic interaction is considered. [ABSTRACT FROM AUTHOR]

Published
1991
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297. A second-order algorithm for the simulation of the Brownian dynamics of macromolecular models.

Author

Iniesta, A. and García de la Torre, J.

Subjects
*BROWNIAN motion, *RUNGE-Kutta formulas, *MACROMOLECULES
Abstract

Most recent works on Brownian dynamics simulation employ a first-order algorithm developed by Ermak and McCammon [J. Chem. Phys. 69, 1352 (1978)]. In this work we propose the use of a second-order algorithm in which the step is a combination of two first-order steps, like in the second-order Runge–Kutta method for differential equations. Although the computer time per step is roughly doubled, the second-order algorithm is more efficient than the previous one because a given accuracy in the results can be achieved with less than half the number of steps. The new algorithm also allows for longer time steps without divergence. The advantage of the new procedure is illustrated in the simulation of four macromolecular systems: A quasirigid dumbbell, a semiflexible trumbbell, a semiflexible hinged rod, and a Gaussian polymer chain. [ABSTRACT FROM AUTHOR]

Published
1990
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298. Simulation of the rotational Brownian dynamics of a simple, segmentally flexible model: The elastic trumbbell.

Author

Díaz, F. G. and García de la Torre, J.

Subjects
*SIMULATION methods & models, *ROTATIONAL motion, *WIENER processes
Abstract

The rotational dynamics of a segmentally flexible model, the elastic trumbbell, has been studied using a Brownian dynamics simulation technique. The model is composed of three beads jointed by two bonds. A potential that is quadratic in the bending angle describes the partial flexibility of the model. The correlation analysis of the simulated trajectories gives rotational correlation functions, of which we have preferentially studied those of the second Legendre polynomial of the reorientation angle of the bond and end-to-end vectors. The relaxation times derived from these correlation functions are compared with those predicted by other treatments of the rotational dynamics of segmentally flexible macromolecules. [ABSTRACT FROM AUTHOR]

Published
1988

299. Relaxation times in transient electric birefringence and electric-field light scattering of flexible polymer chains.

Author

Navarro, S., Lopez Martinez, M. C., and Garcia de la Torre, J.

Subjects
RELAXATION (Nuclear physics), ELECTRIC transients, DOUBLE refraction, ELECTRIC fields, LIGHT scattering
Abstract

We study in the present paper the response of a flexible macromolecular chain to the application or removal of an electric field. The polymer is mainly modeled as a Gaussian chain, and the case of freely jointed chains is also treated. We consider the dynamics of the chains, after the inception and subsequent cessation of an electric field. In particular, we calculate two properties. One of them is the time-dependent chain expansion, as measured by the components of the gyration tensor, that can be determined by transient electric-field light scattering. The other property is the transient electric birefringence, related to the reorientation of the chain segments. In this way, the dynamics of two different properties can be compared. The transient properties are analyzed in terms of a series of relaxation times. We propose the use of a mean relaxation time as a convenient representation of the rate of the dynamic process, and show that it can be deduced from simulation or experiments with more accuracy than the longest relaxation time. Our computational procedure is based on Brownian dynamics simulation. For Gaussian chains without hydrodynamic interaction, the results are compared with the predictions from the Rouse theory. We evaluate the influence of the strength of the force or field. Simulations are also carried out including hydrodynamic interactions, so that the importance of this effect can be assessed. We propose some combination of relaxation times with other macromolecular properties that take universal numerical values. © 1995 American Institute of Physics. [ABSTRACT FROM AUTHOR]

Published
1995
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300. Brownian dynamics simulation of rotational correlation functions of simple rigid models.

Author

Díaz, F. G., Iniesta, A., and García de la Torre, J.

Subjects
WIENER processes, SIMULATION methods & models, HYDRODYNAMICS
Abstract

In this paper we investigate the ability of the Brownian dynamics simulation technique of Ermak and McCammon to evaluate rotational correlation functions of rigid hydrodynamic models. Concretely, we obtain from simulated trajectories the functions 〈Pi[cos θ(t)]>, i=1,2 where Pi is the ith Legendre polynomial and θ(t) is the angle between two orientations, separated by time t, of a given vector. This function is closely related to the decay of fluorescence anisotropy and other time-dependent electro-optical properties. The simulation results are compared with exact results for these functions. We first consider dimers in a variety of conditions regarding the rigid constraint, the hydrodynamic interaction and the relative size of the two spheres. We next study bent trimers, for which the decays are typically multiexponential. In all cases we find that the simulated results of the correlation functions and the exact ones are in rather good agreement up to a time which is determined by the finite length of the simulated trajectory. [ABSTRACT FROM AUTHOR]

Published
1987

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