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au:Fernandez, José M.
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Detection of plasma anti-lipopolysaccharide (LPS)antibodies against enterohemorrhagic Escherichia coli(EHEC) in asymptomatic kindergarten teachers fromBuenos Aires province
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Fernandez Brando, Romina J.
; Sacerdoti, Flavia
; Amaral, María M.
; Bernal, Alan M.
; Rocha, Marcelo Da
; Belardo, Marcela
; Alermo, Marina S.
; Ibarra, Cristina A.
.
Abstract In Argentina, hemolytic uremic syndrome (HUS) caused by EHEC has the highest incidence in the world. EHEC infection has an endemo-epidemic behavior, causing 20-30% of acute bloody diarrhea syndrome in children under 5 years old. In the period 2016-2020, 272 new cases per year were notified to the National Health Surveillance System. Multiple factors are responsible for HUS incidence in Argentina including person-to-person transmission. In order to detect possible EHEC carriers, we carried out a preliminary study of the frequency of kindergarten teachers with anti-LPS antibodies against the most prevalent EHEC serotypes in Argentina. We analyzed 61 kindergarten teachers from 26 institutions from José C. Paz district, located in the suburban area of Buenos Aires province, Argentina. Fifty-one percent of the plasma samples had antibodies against O157, O145, O121 and O103 LPS: 6.4% of the positive samples had IgM isotype (n=2), 61.3% IgG isotype (n=19) and 32.3% IgM and IgG (n=10). Given that antibodies against LPS antigens are usually short-lived specific IgM detection may indicate a recent infection. In addition, the high percentage of positive samples may indicate a frequent exposure to EHEC strains in the cohort studied, as well as the existence of a large non-symptomatic population of adults carrying pathogenic strains that could contribute to the endemic behavior through person-to-person transmission. The improvement of continuous educational programs in kindergarten institutions could be a mandatory measure to reduce HUS cases not only in Argentina but also globally.
Resumen En Argentina, el síndrome urémico hemolítico causado por Escherichia coli enterohemorrágica (EHEC) tiene la más alta incidencia del mundo. Las infecciones por EHEC tienen un comportamiento endemoepidémico y causan del 20 al 30% de los síndromes de diarrea sanguinolenta en niños menores de 5 años. En el período 2016-2020, se notificaron 272 nuevos casos por año al Sistema de Vigilancia de Salud Nacional. Múltiples factores son responsables de la alta incidencia de SUH en Argentina, incluyendo la transmisión persona-persona. Con el objetivo de detectar posibles portadores asintomáticos de EHEC, realizamos un estudio preliminar de la frecuencia de anticuerpos antilipopolisacáridos contra los serotipos de EHEC más prevalentes en Argentina. El estudio se realizó con muestras de plasma obtenidas de 61 maestras y maestros de jardines de infantes de 26 instituciones del distrito de José C. Paz, localizado en el área suburbana de la provincia de Buenos Aires, Argentina. El 51% de las muestras presentaron anticuerpos contra los serotipos de lipopolisacáridos O157, O145, O121 y O103; el 6,4% de las muestras positivas tuvieron el isotipo IgM (n=2), el 61,3% el isotipo IgG (n=19) y el 32,3% los isotipos IgM e IgG (n=10). Dado que los anticuerpos antilipopolisacáridos presentan usualmente una duración corta, la detección de IgM específica podría indicar una infección reciente. Además, el alto porcentaje de muestras positivas hallado podría indicar una exposición frecuente a las cepas de EHEC en la cohorte estudiada. Asimismo, la gran población de adultos portadores asintomáticos de estas cepas patógenas podría contribuir al comportamiento endémico, a través de la transmisión persona-persona. El perfeccionamiento de programas educacionales continuos en jardines de infantes podría constituir una medida importante para reducir los casos de síndrome urémico hemolítico, no solo en Argentina, sino también en el mundo.
2.
Vitaminas B1, B6, B12 y neuropatías periféricas: Consenso de expertos
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Longa López, John Carlos M.
; Dinamarca-Montecinos, José Luis
; Mejía-Rojas, Koni
; Bernaola Cuadros, Astrid Cecilia
; Ampuero Bárcena, Jessica Beatriz
; Palacios-Sánchez, Leonardo
; Fernandez-Fairen, Mariano
.
Revista de la Facultad de Medicina Humana
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ABSTRACT Based on a bibliographic review of the literature, a consensus of international experts has been carried out on the use of vitamins B1, B6, B12, in their deficiencies, and in the peripheral neuropathy that may be associated with them, to optimize the management of these conditions. Several questions considered important and worthy of being addressed and clarified were raised, retaining nine of them for further discussion to achieve consensus. Forty one recommendations on the management of these conditions have been proposed, with unanimity of the participants in the consensus. This has been an attempt to clarify controversial points, assisting the clinician's attitude in current medical practice.
RESUMEN A partir de una revisión bibliográfica de la literatura se ha planeado y desarrollado un consenso de expertos internacionales sobre la utilización de las vitaminas B1, B6, B12 en sus déficits y en la neuropatía periférica que puede estar asociada a la misma, como tema que precia de esa aproximación aclaratoria para optimizar su manejo. Se plantearon varias cuestiones de discusión que se consideraron importantes y dignas de ser abordadas y aclaradas, conservando nueve de ellas para su discusión ulterior buscando el consenso en tres rondas consecutivas. Se han propuesto 41 recomendaciones sobre el manejo de estas condiciones, con unanimidad por parte de los participantes en el consenso. Con ellas se ha intentado aclarar puntos oscuros o controvertidos, facilitando la actitud del clínico ante ellos en la práctica médica actual.
3.
Catálogo Taxonômico da Fauna do Brasil: Setting the baseline knowledge on the animal diversity in Brazil Brasil
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Boeger, Walter A.
; Valim, Michel P.
; Zaher, Hussam
; Rafael, José A.
; Forzza, Rafaela C.
; Percequillo, Alexandre R.
; Serejo, Cristiana S.
; Garraffoni, André R.S.
; Santos, Adalberto J.
; Slipinski, Adam
; Linzmeier, Adelita M.
; Calor, Adolfo R.
; Garda, Adrian A.
; Kury, Adriano B.
; Fernandes, Agatha C.S.
; Agudo-Padrón, Aisur I.
; Akama, Alberto
; Silva Neto, Alberto M. da
; Burbano, Alejandro L.
; Menezes, Aleksandra
; Pereira-Colavite, Alessandre
; Anichtchenko, Alexander
; Lees, Alexander C.
; Bezerra, Alexandra M.R.
; Domahovski, Alexandre C.
; Pimenta, Alexandre D.
; Aleixo, Alexandre L.P.
; Marceniuk, Alexandre P.
; Paula, Alexandre S. de
; Somavilla, Alexandre
; Specht, Alexandre
; Camargo, Alexssandro
; Newton, Alfred F.
; Silva, Aline A.S. da
; Santos, Aline B. dos
; Tassi, Aline D.
; Aragão, Allan C.
; Santos, Allan P.M.
; Migotto, Alvaro E.
; Mendes, Amanda C.
; Cunha, Amanda
; Chagas Júnior, Amazonas
; Sousa, Ana A.T. de
; Pavan, Ana C.
; Almeida, Ana C.S.
; Peronti, Ana L.B.G.
; Henriques-Oliveira, Ana L.
; Prudente, Ana L.
; Tourinho, Ana L.
; Pes, Ana M.O.
; Carmignotto, Ana P.
; Wengrat, Ana P.G. da Silva
; Dornellas, Ana P.S.
; Molin, Anamaria Dal
; Puker, Anderson
; Morandini, André C.
; Ferreira, André da S.
; Martins, André L.
; Esteves, André M.
; Fernandes, André S.
; Roza, André S.
; Köhler, Andreas
; Paladini, Andressa
; Andrade, Andrey J. de
; Pinto, Ângelo P.
; Salles, Anna C. de A.
; Gondim, Anne I.
; Amaral, Antonia C.Z.
; Rondón, Antonio A.A.
; Brescovit, Antonio
; Lofego, Antônio C.
; Marques, Antonio C.
; Macedo, Antonio
; Andriolo, Artur
; Henriques, Augusto L.
; Ferreira Júnior, Augusto L.
; Lima, Aurino F. de
; Barros, Ávyla R. de A.
; Brito, Ayrton do R.
; Romera, Bárbara L.V.
; Vasconcelos, Beatriz M.C. de
; Frable, Benjamin W.
; Santos, Bernardo F.
; Ferraz, Bernardo R.
; Rosa, Brunno B.
; Sampaio, Brunno H.L.
; Bellini, Bruno C.
; Clarkson, Bruno
; Oliveira, Bruno G. de
; Corrêa, Caio C.D.
; Martins, Caleb C.
; Castro-Guedes, Camila F. de
; Souto, Camilla
; Bicho, Carla de L.
; Cunha, Carlo M.
; Barboza, Carlos A. de M.
; Lucena, Carlos A.S. de
; Barreto, Carlos
; Santana, Carlos D.C.M. de
; Agne, Carlos E.Q.
; Mielke, Carlos G.C.
; Caetano, Carlos H.S.
; Flechtmann, Carlos H.W.
; Lamas, Carlos J.E.
; Rocha, Carlos
; Mascarenhas, Carolina S.
; Margaría, Cecilia B.
; Waichert, Cecilia
; Digiani, Celina
; Haddad, Célio F.B.
; Azevedo, Celso O.
; Benetti, Cesar J.
; Santos, Charles M.D. dos
; Bartlett, Charles R.
; Bonvicino, Cibele
; Ribeiro-Costa, Cibele S.
; Santos, Cinthya S.G.
; Justino, Cíntia E.L.
; Canedo, Clarissa
; Bonecker, Claudia C.
; Santos, Cláudia P.
; Carvalho, Claudio J.B. de
; Gonçalves, Clayton C.
; Galvão, Cleber
; Costa, Cleide
; Oliveira, Cléo D.C. de
; Schwertner, Cristiano F.
; Andrade, Cristiano L.
; Pereira, Cristiano M.
; Sampaio, Cristiano
; Dias, Cristina de O.
; Lucena, Daercio A. de A.
; Manfio, Daiara
; Amorim, Dalton de S.
; Queiroz, Dalva L. de
; Queiroz, Dalva L. de
; Colpani, Daniara
; Abbate, Daniel
; Aquino, Daniel A.
; Burckhardt, Daniel
; Cavallari, Daniel C.
; Prado, Daniel de C. Schelesky
; Praciano, Daniel L.
; Basílio, Daniel S.
; Bená, Daniela de C.
; Toledo, Daniela G.P. de
; Takiya, Daniela M.
; Fernandes, Daniell R.R.
; Ament, Danilo C.
; Cordeiro, Danilo P.
; Silva, Darliane E.
; Pollock, Darren A.
; Muniz, David B.
; Gibson, David I.
; Nogueira, David S.
; Marques, Dayse W.A.
; Lucatelli, Débora
; Garcia, Deivys M.A.
; Baêta, Délio
; Ferreira, Denise N.M.
; Rueda-Ramírez, Diana
; Fachin, Diego A.
; Souza, Diego de S.
; Rodrigues, Diego F.
; Pádua, Diego G. de
; Barbosa, Diego N.
; Dolibaina, Diego R.
; Amaral, Diogo C.
; Chandler, Donald S.
; Maccagnan, Douglas H.B.
; Caron, Edilson
; Carvalho, Edrielly
; Adriano, Edson A.
; Abreu Júnior, Edson F. de
; Pereira, Edson H.L.
; Viegas, Eduarda F.G.
; Carneiro, Eduardo
; Colley, Eduardo
; Eizirik, Eduardo
; Santos, Eduardo F. dos
; Shimbori, Eduardo M.
; Suárez-Morales, Eduardo
; Arruda, Eliane P. de
; Chiquito, Elisandra A.
; Lima, Élison F.B.
; Castro, Elizeu B. de
; Orlandin, Elton
; Nascimento, Elynton A. do
; Razzolini, Emanuel
; Gama, Emanuel R.R.
; Araujo, Enilma M. de
; Nishiyama, Eric Y.
; Spiessberger, Erich L.
; Santos, Érika C.L. dos
; Contreras, Eugenia F.
; Galati, Eunice A.B.
; Oliveira Junior, Evaldo C. de
; Gallardo, Fabiana
; Hernandes, Fabio A.
; Lansac-Tôha, Fábio A.
; Pitombo, Fabio B.
; Dario, Fabio Di
; Santos, Fábio L. dos
; Mauro, Fabio
; Nascimento, Fabio O. do
; Olmos, Fabio
; Amaral, Fabio R.
; Schunck, Fabio
; Godoi, Fábio S. P. de
; Machado, Fabrizio M.
; Barbo, Fausto E.
; Agrain, Federico A.
; Ribeiro, Felipe B.
; Moreira, Felipe F.F.
; Barbosa, Felipe F.
; Silva, Fenanda S.
; Cavalcanti, Fernanda F.
; Straube, Fernando C.
; Carbayo, Fernando
; Carvalho Filho, Fernando
; Zanella, Fernando C.V.
; Jacinavicius, Fernando de C.
; Farache, Fernando H.A.
; Leivas, Fernando
; Dias, Fernando M.S.
; Mantellato, Fernando
; Vaz-de-Mello, Fernando Z.
; Gudin, Filipe M.
; Albuquerque, Flávio
; Molina, Flavio B.
; Passos, Flávio D.
; Shockley, Floyd W.
; Pinheiro, Francielly F.
; Mello, Francisco de A.G. de
; Nascimento, Francisco E. de L.
; Franco, Francisco L.
; Oliveira, Francisco L. de
; Melo, Francisco T. de V.
; Quijano, Freddy R.B.
; Salles, Frederico F.
; Biffi, Gabriel
; Queiroz, Gabriel C.
; Bizarro, Gabriel L.
; Hrycyna, Gabriela
; Leviski, Gabriela
; Powell, Gareth S.
; Santos, Geane B. dos
; Morse, Geoffrey E.
; Brown, George
; Mattox, George M.T.
; Zimbrão, Geraldo
; Carvalho, Gervásio S.
; Miranda, Gil F.G.
; Moraes, Gilberto J. de
; Lourido, Gilcélia M.
; Neves, Gilmar P.
; Moreira, Gilson R.P.
; Montingelli, Giovanna G.
; Maurício, Giovanni N.
; Marconato, Gláucia
; Lopez, Guilherme E.L.
; Silva, Guilherme L. da
; Muricy, Guilherme
; Brito, Guilherme R.R.
; Garbino, Guilherme S.T.
; Flores, Gustavo E.
; Graciolli, Gustavo
; Libardi, Gustavo S.
; Proctor, Heather C.
; Gil-Santana, Helcio R.
; Varella, Henrique R.
; Escalona, Hermes E.
; Schmitz, Hermes J.
; Rodrigues, Higor D.D.
; Galvão Filho, Hilton de C.
; Quintino, Hingrid Y.S.
; Pinto, Hudson A.
; Rainho, Hugo L.
; Miyahira, Igor C.
; Gonçalves, Igor de S.
; Martins, Inês X.
; Cardoso, Irene A.
; Oliveira, Ismael B. de
; Franz, Ismael
; Fernandes, Itanna O.
; Golfetti, Ivan F.
; S. Campos-Filho, Ivanklin
; Oliveira, Ivo de S.
; Delabie, Jacques H.C.
; Oliveira, Jader de
; Prando, Jadila S.
; Patton, James L.
; Bitencourt, Jamille de A.
; Silva, Janaina M.
; Santos, Jandir C.
; Arruda, Janine O.
; Valderrama, Jefferson S.
; Dalapicolla, Jeronymo
; Oliveira, Jéssica P.
; Hájek, Jiri
; Morselli, João P.
; Narita, João P.
; Martin, João P.I.
; Grazia, Jocélia
; McHugh, Joe
; Cherem, Jorge J.
; Farias Júnior, José A.S.
; Fernandes, Jose A.M.
; Pacheco, José F.
; Birindelli, José L.O.
; Rezende, José M.
; Avendaño, Jose M.
; Duarte, José M. Barbanti
; Ribeiro, José R. Inácio
; Mermudes, José R.M.
; Pujol-Luz, José R.
; Santos, Josenilson R. dos
; Câmara, Josenir T.
; Teixeira, Joyce A.
; Prado, Joyce R. do
; Botero, Juan P.
; Almeida, Julia C.
; Kohler, Julia
; Gonçalves, Julia P.
; Beneti, Julia S.
; Donahue, Julian P.
; Alvim, Juliana
; Almeida, Juliana C.
; Segadilha, Juliana L.
; Wingert, Juliana M.
; Barbosa, Julianna F.
; Ferrer, Juliano
; Santos, Juliano F. dos
; Kuabara, Kamila M.D.
; Nascimento, Karine B.
; Schoeninger, Karine
; Campião, Karla M.
; Soares, Karla
; Zilch, Kássia
; Barão, Kim R.
; Teixeira, Larissa
; Sousa, Laura D. do N.M. de
; Dumas, Leandro L.
; Vieira, Leandro M.
; Azevedo, Leonardo H.G.
; Carvalho, Leonardo S.
; Souza, Leonardo S. de
; Rocha, Leonardo S.G.
; Bernardi, Leopoldo F.O.
; Vieira, Letícia M.
; Johann, Liana
; Salvatierra, Lidianne
; Oliveira, Livia de M.
; Loureiro, Lourdes M.A. El-moor
; Barreto, Luana B.
; Barros, Luana M.
; Lecci, Lucas
; Camargos, Lucas M. de
; Lima, Lucas R.C.
; Almeida, Lucia M.
; Martins, Luciana R.
; Marinoni, Luciane
; Moura, Luciano de A.
; Lima, Luciano
; Naka, Luciano N.
; Miranda, Lucília S.
; Salik, Lucy M.
; Bezerra, Luis E.A.
; Silveira, Luis F.
; Campos, Luiz A.
; Castro, Luiz A.S. de
; Pinho, Luiz C.
; Silveira, Luiz F.L.
; Iniesta, Luiz F.M.
; Tencatt, Luiz F.C.
; Simone, Luiz R.L.
; Malabarba, Luiz R.
; Cruz, Luiza S. da
; Sekerka, Lukas
; Barros, Lurdiana D.
; Santos, Luziany Q.
; Skoracki, Maciej
; Correia, Maira A.
; Uchoa, Manoel A.
; Andrade, Manuella F.G.
; Hermes, Marcel G.
; Miranda, Marcel S.
; Araújo, Marcel S. de
; Monné, Marcela L.
; Labruna, Marcelo B.
; Santis, Marcelo D. de
; Duarte, Marcelo
; Knoff, Marcelo
; Nogueira, Marcelo
; Britto, Marcelo R. de
; Melo, Marcelo R.S. de
; Carvalho, Marcelo R. de
; Tavares, Marcelo T.
; Kitahara, Marcelo V.
; Justo, Marcia C.N.
; Botelho, Marcia J.C.
; Couri, Márcia S.
; Borges-Martins, Márcio
; Felix, Márcio
; Oliveira, Marcio L. de
; Bologna, Marco A.
; Gottschalk, Marco S.
; Tavares, Marcos D.S.
; Lhano, Marcos G.
; Bevilaqua, Marcus
; Santos, Marcus T.T.
; Domingues, Marcus V.
; Sallum, Maria A.M.
; Digiani, María C.
; Santarém, Maria C.A.
; Nascimento, Maria C. do
; Becerril, María de los A.M.
; Santos, Maria E.A. dos
; Passos, Maria I. da S. dos
; Felippe-Bauer, Maria L.
; Cherman, Mariana A.
; Terossi, Mariana
; Bartz, Marie L.C.
; Barbosa, Marina F. de C.
; Loeb, Marina V.
; Cohn-Haft, Mario
; Cupello, Mario
; Martins, Marlúcia B.
; Christofersen, Martin L.
; Bento, Matheus
; Rocha, Matheus dos S.
; Martins, Maurício L.
; Segura, Melissa O.
; Cardenas, Melissa Q.
; Duarte, Mércia E.
; Ivie, Michael A.
; Mincarone, Michael M.
; Borges, Michela
; Monné, Miguel A.
; Casagrande, Mirna M.
; Fernandez, Monica A.
; Piovesan, Mônica
; Menezes, Naércio A.
; Benaim, Natalia P.
; Reategui, Natália S.
; Pedro, Natan C.
; Pecly, Nathalia H.
; Ferreira Júnior, Nelson
; Silva Júnior, Nelson J. da
; Perioto, Nelson W.
; Hamada, Neusa
; Degallier, Nicolas
; Chao, Ning L.
; Ferla, Noeli J.
; Mielke, Olaf H.H.
; Evangelista, Olivia
; Shibatta, Oscar A.
; Oliveira, Otto M.P.
; Albornoz, Pablo C.L.
; Dellapé, Pablo M.
; Gonçalves, Pablo R.
; Shimabukuro, Paloma H.F.
; Grossi, Paschoal
; Rodrigues, Patrícia E. da S.
; Lima, Patricia O.V.
; Velazco, Paul
; Santos, Paula B. dos
; Araújo, Paula B.
; Silva, Paula K.R.
; Riccardi, Paula R.
; Garcia, Paulo C. de A.
; Passos, Paulo G.H.
; Corgosinho, Paulo H.C.
; Lucinda, Paulo
; Costa, Paulo M.S.
; Alves, Paulo P.
; Roth, Paulo R. de O.
; Coelho, Paulo R.S.
; Duarte, Paulo R.M.
; Carvalho, Pedro F. de
; Gnaspini, Pedro
; Souza-Dias, Pedro G.B.
; Linardi, Pedro M.
; Bartholomay, Pedro R.
; Demite, Peterson R.
; Bulirsch, Petr
; Boll, Piter K.
; Pereira, Rachel M.M.
; Silva, Rafael A.P.F.
; Moura, Rafael B. de
; Boldrini, Rafael
; Silva, Rafaela A. da
; Falaschi, Rafaela L.
; Cordeiro, Ralf T.S.
; Mello, Ramon J.C.L.
; Singer, Randal A.
; Querino, Ranyse B.
; Heleodoro, Raphael A.
; Castilho, Raphael de C.
; Constantino, Reginaldo
; Guedes, Reinaldo C.
; Carrenho, Renan
; Gomes, Renata S.
; Gregorin, Renato
; Machado, Renato J.P.
; Bérnils, Renato S.
; Capellari, Renato S.
; Silva, Ricardo B.
; Kawada, Ricardo
; Dias, Ricardo M.
; Siewert, Ricardo
; Brugnera, Ricaro
; Leschen, Richard A.B.
; Constantin, Robert
; Robbins, Robert
; Pinto, Roberta R.
; Reis, Roberto E. dos
; Ramos, Robson T. da C.
; Cavichioli, Rodney R.
; Barros, Rodolfo C. de
; Caires, Rodrigo A.
; Salvador, Rodrigo B.
; Marques, Rodrigo C.
; Araújo, Rodrigo C.
; Araujo, Rodrigo de O.
; Dios, Rodrigo de V.P.
; Johnsson, Rodrigo
; Feitosa, Rodrigo M.
; Hutchings, Roger W.
; Lara, Rogéria I.R.
; Rossi, Rogério V.
; Gerstmeier, Roland
; Ochoa, Ronald
; Hutchings, Rosa S.G.
; Ale-Rocha, Rosaly
; Rocha, Rosana M. da
; Tidon, Rosana
; Brito, Rosangela
; Pellens, Roseli
; Santos, Sabrina R. dos
; Santos, Sandra D. dos
; Paiva, Sandra V.
; Santos, Sandro
; Oliveira, Sarah S. de
; Costa, Sávio C.
; Gardner, Scott L.
; Leal, Sebastián A. Muñoz
; Aloquio, Sergio
; Bonecker, Sergio L.C.
; Bueno, Sergio L. de S.
; Almeida, Sérgio M. de
; Stampar, Sérgio N.
; Andena, Sérgio R.
; Posso, Sergio R.
; Lima, Sheila P.
; Gadelha, Sian de S.
; Thiengo, Silvana C.
; Cohen, Simone C.
; Brandão, Simone N.
; Rosa, Simone P.
; Ribeiro, Síria L.B.
; Letana, Sócrates D.
; Santos, Sonia B. dos
; Andrade, Sonia C.S.
; Dávila, Stephane
; Vaz, Stéphanie
; Peck, Stewart B.
; Christo, Susete W.
; Cunha, Suzan B.Z.
; Gomes, Suzete R.
; Duarte, Tácio
; Madeira-Ott, Taís
; Marques, Taísa
; Roell, Talita
; Lima, Tarcilla C. de
; Sepulveda, Tatiana A.
; Maria, Tatiana F.
; Ruschel, Tatiana P.
; Rodrigues, Thaiana
; Marinho, Thais A.
; Almeida, Thaís M. de
; Miranda, Thaís P.
; Freitas, Thales R.O.
; Pereira, Thalles P.L.
; Zacca, Thamara
; Pacheco, Thaynara L.
; Martins, Thiago F.
; Alvarenga, Thiago M.
; Carvalho, Thiago R. de
; Polizei, Thiago T.S.
; McElrath, Thomas C.
; Henry, Thomas
; Pikart, Tiago G.
; Porto, Tiago J.
; Krolow, Tiago K.
; Carvalho, Tiago P.
; Lotufo, Tito M. da C.
; Caramaschi, Ulisses
; Pinheiro, Ulisses dos S.
; Pardiñas, Ulyses F.J.
; Maia, Valéria C.
; Tavares, Valeria
; Costa, Valmir A.
; Amaral, Vanessa S. do
; Silva, Vera C.
; Wolff, Vera R. dos S.
; Slobodian, Verônica
; Silva, Vinícius B. da
; Espíndola, Vinicius C.
; Costa-Silva, Vinicius da
; Bertaco, Vinicius de A.
; Padula, Vinícius
; Ferreira, Vinicius S.
; Silva, Vitor C.P. da
; Piacentini, Vítor de Q.
; Sandoval-Gómez, Vivian E.
; Trevine, Vivian
; Sousa, Viviane R.
; Sant’Anna, Vivianne B. de
; Mathis, Wayne N.
; Souza, Wesley de O.
; Colombo, Wesley D.
; Tomaszewska, Wioletta
; Wosiacki, Wolmar B.
; Ovando, Ximena M.C.
; Leite, Yuri L.R.
.
ABSTRACT The limited temporal completeness and taxonomic accuracy of species lists, made available in a traditional manner in scientific publications, has always represented a problem. These lists are invariably limited to a few taxonomic groups and do not represent up-to-date knowledge of all species and classifications. In this context, the Brazilian megadiverse fauna is no exception, and the Catálogo Taxonômico da Fauna do Brasil (CTFB) (http://fauna.jbrj.gov.br/), made public in 2015, represents a database on biodiversity anchored on a list of valid and expertly recognized scientific names of animals in Brazil. The CTFB is updated in near real time by a team of more than 800 specialists. By January 1, 2024, the CTFB compiled 133,691 nominal species, with 125,138 that were considered valid. Most of the valid species were arthropods (82.3%, with more than 102,000 species) and chordates (7.69%, with over 11,000 species). These taxa were followed by a cluster composed of Mollusca (3,567 species), Platyhelminthes (2,292 species), Annelida (1,833 species), and Nematoda (1,447 species). All remaining groups had less than 1,000 species reported in Brazil, with Cnidaria (831 species), Porifera (628 species), Rotifera (606 species), and Bryozoa (520 species) representing those with more than 500 species. Analysis of the CTFB database can facilitate and direct efforts towards the discovery of new species in Brazil, but it is also fundamental in providing the best available list of valid nominal species to users, including those in science, health, conservation efforts, and any initiative involving animals. The importance of the CTFB is evidenced by the elevated number of citations in the scientific literature in diverse areas of biology, law, anthropology, education, forensic science, and veterinary science, among others. publications problem uptodate up date classifications context exception (CTFB http//fauna.jbrj.gov.br/, httpfaunajbrjgovbr http //fauna.jbrj.gov.br/ , jbrj gov br (http://fauna.jbrj.gov.br/) 2015 Brazil 80 specialists 1 2024 133691 133 691 133,69 125138 125 138 125,13 82.3%, 823 82 3 (82.3% 102000 102 000 102,00 7.69%, 769 7 69 (7.69% 11000 11 11,00 . 3,567 3567 567 (3,56 2,292 2292 2 292 (2,29 1,833 1833 833 (1,83 1,447 1447 447 (1,44 1000 1,00 831 (83 628 (62 606 (60 520 (52 50 users science health biology law anthropology education others http//fauna.jbrj.gov.br/ faunajbrjgovbr //fauna.jbrj.gov.br (http://fauna.jbrj.gov.br/ 201 8 202 13369 13 133,6 12513 12 125,1 82.3% (82.3 10200 10 00 102,0 7.69% 76 6 (7.69 1100 11,0 3,56 356 56 (3,5 2,29 229 29 (2,2 1,83 183 83 (1,8 1,44 144 44 (1,4 100 1,0 (8 62 (6 60 52 (5 5 http//fauna.jbrj.gov.br (http://fauna.jbrj.gov.br 20 1336 133, 1251 125, 82.3 (82. 1020 0 102, 7.69 (7.6 110 11, 3,5 35 (3, 2,2 22 (2, 1,8 18 (1, 1,4 14 4 ( 82. (82 7.6 (7. 3, (3 2, (2 (1 7. (7
4.
[SciELO Preprints] - Tailoring evidence into action: using a codesign approach for biodiversity information in the Tropical Andes
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Valdez, Jose W.
Pereira, Henrique M.
Morejón, Gustavo Francisco
Acosta‐Muñoz, Cristina
Garcia, Francisco Javier Bonet
Vergara, Lucía Castro
Claros, Xavier R.
Gill, Michael J.
Josse, Carmen
Lafuente‐Cartagena, Indyra
Langstroth, Robert
Sheppard, Sidney Novoa
Orihuela, Gabriela
Prieto‐Albuja, Francisco J.
Quillahuaman, Natividad
Terán, Marcos F.
Zambrana‐Torrelio, Carlos M.
Navarro, Laetitia M.
Fernandez, Miguel
Biodiversity conservation is a complex and transdisciplinary problem that requires engagement and cooperation among scientific, societal, economic, and political institutions. However, historical approaches have often failed to bring together and address the needs of all relevant stakeholders in decision‐making processes. The Tropical Andes, a biodiversity hotspot where conservation efforts often conflict with socioeconomic issues and policies that prioritize economic development, provides an ideal model to develop and implement more effective approaches. In this study, we present a co‐design approach that mainstreams and improves the flow of biodiversity information in the Tropical Andes, while creating tailored outputs that meet the needs of economic and societal stakeholders. We employed a consultative process that brought together biodiversity information users and producers at the local, national, and regional levels through a combination of surveys and workshops. This approach identified priority needs and limitations of the flow of biodiversity information in the region, which led to the co‐design of user‐relevant biodiversity indicators. By leveraging the existing capacities of biodiversity information users and producers, we were able to co‐design multiple biodiversity indicators and prioritize two for full implementation ensuring that the data was findable, accessible, interoperable, and reusable based on the FAIR principles. This approach helped address limitations that were identified in the stakeholder engagement process, including gaps in data availability and the need for more accessible biodiversity information. Additionally, capacity‐building workshops were incorporated for all producers of biodiversity information involved, which aimed to not only improve the current flow of biodiversity information in the region but also facilitate its future sustainability. Our approach can serve as a valuable blueprint for mainstreaming biodiversity information and making it more inclusive in the future, especially considering the diverse worldviews, values, and knowledge systems between science, policy, and practice.
La conservación de la biodiversidad es un problema complejo y transdisciplinario que requiere el compromiso y la cooperación entre instituciones científicas, sociales, económicas y políticas. Sin embargo, los enfoques tradicionales/convencionales a menudo no logran reunir y abordar las necesidades de todos los actores relevantes en los procesos de toma de decisiones. Los Andes tropicales, un área clave de biodiversidad donde los esfuerzos de conservación a menudo entran en conflicto con cuestiones socioeconómicas y políticas que priorizan el desarrollo económico, proporcionan un modelo ideal para desarrollar e implementar enfoques más efectivos. En este estudio, presentamos un enfoque co-diseño que integra y mejora el flujo de información sobre biodiversidad en los Andes tropicales, creando resultados personalizados que satisfacen las necesidades, tanto económicas como sociales, de las partes interesadas. Empleamos un proceso de consulta que reunió a usuarios y productores de información sobre biodiversidad a nivel local, nacional y regional, a través de encuestas y talleres. Este enfoque ha permitido identificar necesidades prioritarias y limitaciones del flujo de información sobre biodiversidad en la región; lo cual llevó al codiseño de indicadores de biodiversidad relevantes para los usuarios. Aprovechando las capacidades existentes de los usuarios y productores de información sobre biodiversidad, pudimos co-diseñar múltiples indicadores de biodiversidad y priorizar dos de estos para su implementación completa, asegurando que los datos sean localizables, accesibles, interoperables y reutilizables, según los principios FAIR. Este enfoque ayudó a abordar las limitaciones que se identificaron en el proceso de participación de las partes interesadas; incluidas las brechas en la disponibilidad de datos y la necesidad de información sobre biodiversidad más accesible. Además, se incorporaron talleres de desarrollo de capacidades para todos los productores de información sobre biodiversidad involucrados, los cuales apuntaron no sólo a mejorar el flujo actual de información sobre biodiversidad en la región, sino también facilitar su sostenibilidad futura. Nuestro enfoque puede servir como un modelo valioso para incorporar la información sobre biodiversidad y hacerla más inclusiva en el futuro; especialmente si consideramos las diversas perspectivas globales, valores y sistemas de conocimiento implicados en las interacciones entre la ciencia, la política y su aplicación práctica.
A conservação da biodiversidade é um problema complexo e transdisciplinar que requer compromisso e cooperação entre instituições científicas, sociais, económicas e políticas. No entanto, as abordagens tradicionais/convencionais muitas vezes não conseguem reunir e responder às necessidades de todos os intervenientes relevantes nos processos de tomada de decisão. Os Andes tropicais, uma área chave para a biodiversidade onde os esforços de conservação entram frequentemente em conflito com questões socioeconómicas e políticas que dão prioridade ao desenvolvimento económico, fornecem um modelo ideal para desenvolver e implementar abordagens mais eficazes. Neste estudo, apresentamos uma abordagem de co-design que integra e melhora o fluxo de informações sobre biodiversidade nos Andes tropicais, criando resultados personalizados que atendem às necessidades, tanto econômicas quanto sociais, das partes interessadas. Empregamos um processo de consulta que reuniu usuários e produtores de informações sobre biodiversidade nos níveis local, nacional e regional, por meio de pesquisas e workshops. Esta abordagem permitiu identificar necessidades prioritárias e limitações do fluxo de informação sobre a biodiversidade na região; o que levou à concepção conjunta de indicadores de biodiversidade relevantes para os utilizadores. Aproveitando as capacidades existentes dos utilizadores e produtores de informação sobre biodiversidade, fomos capazes de conceber em conjunto vários indicadores de biodiversidade e priorizar dois deles para implementação total, garantindo que os dados sejam localizáveis, acessíveis, interoperáveis e reutilizáveis, de acordo com os princípios FAIR. Esta abordagem ajudou a resolver as limitações identificadas no processo de envolvimento das partes interessadas; incluindo lacunas na disponibilidade de dados e a necessidade de informações mais acessíveis sobre biodiversidade. Além disso, foram incorporados workshops de capacitação para todos os produtores de informação sobre biodiversidade envolvidos, que visaram não só melhorar o fluxo actual de informação sobre biodiversidade na região, mas também facilitar a sua sustentabilidade futura. A nossa abordagem pode servir como um modelo valioso para incorporar informações sobre biodiversidade e torná-las mais inclusivas no futuro; especialmente se considerarmos as diversas perspectivas globais, valores e sistemas de conhecimento envolvidos nas interações entre ciência, política e sua aplicação prática.
5.
Highlights of ionospheric investigations at Comandante Ferraz Brazilian Antarctic Station
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CORREIA, EMILIA
; FERNANDEZ, JOSÉ HENRIQUE
; BAGESTON, JOSÉ VALENTIN
; MACHO, EDUARDO P.
; RAUNHEITTE, LUÍS TIAGO M.
.
Anais da Academia Brasileira de Ciências
- Métricas do periódico
Abstract The ionospheric investigations have improved our understanding of the space weather role in the upper atmosphere conditions, particularly at higher latitudes where the geospace phenomena print their signatures. The simultaneous observations using multi-instruments have improved our knowledge of the coupling processes inside the ionosphere, and their connection with the magnetosphere and neutral atmosphere processes under the space weather phenomena. The ionosphere probing at EACF started on 1986 using an analogical very low frequency (VLF) system, and after the year 2004 using digital VLF system, global navigation satellite system (GNSS), riometers and Canadian digital ionosonde (CADI). This paper presents the different radio techniques that have been used at Brazilian Antarctic Station Comandante Ferraz (EACF) to characterize the ionospheric conditions, and the highlights of the studies using multi-instrument observations performed in the last few decades.
6.
Application of Nickel Ferrite Nanoparticles in Adsorption of Amoxicillin Antibiotic
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Caetano, Patricia M. A.
; Simões, Nathália M.
; Pinto, Paula S.
; Fernandez-Outon, Luis E.
; Albuquerque, Adriana S.
; Macedo, Waldemar A. A.
; Ardisson, José D.
.
Journal of the Brazilian Chemical Society
- Métricas do periódico
According to the World Health Organization, amoxicillin (AMX) is the most widely consumed antibiotic in the world. Consequently, there is great interest in the development of new technologies that allow the removal of this type of contaminant, as exposure to antibiotic residues can cause a variety of adverse effects, such as toxicity and antimicrobial resistance. In this work, AMX adsorption from aqueous solution was investigated using nickel ferrite nanoparticles. The nanoadsorbents were prepared by the coprecipitation method, annealed at 300 to 700 °C, and characterized by X-ray diffraction (XRD), transmission electron microscopy (TEM), Mössbauer spectroscopy (ME) and vibratory sample magnetometry (VSM). Nanoparticle size, pH and temperature were found to significantly affect the amount of adsorbed AMX. The pseudo-second order kinetic model described the adsorption process and the adsorption isotherm fitted to the Freundlich model. AMX adsorption capacity was 104-45 mg g−1 (miligram of AMX per gram of ferrite) for ferrite annealed at 300-700 °C, respectively. The nanoadsorbents employed showed higher AMX removal efficiency when compared to other iron oxides. Moreover, the good reuse results obtained showed their great potential for antibiotic removal by adsorption.
https://doi.org/10.21577/0103-5053.20200120
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7.
Medical falls among older adults in Latin American cities
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Reyes-Ortiz, Carlos A.
; Pacheco, Soraira
; Slovacek, Cedar A.
; Jiang, Meng
; Salinas-Fernandez, Ivania C.
; Ocampo-Chaparro, Jose M.
.
ABSTRACT Objective To estimate the prevalence and risk factors for falls requiring medical attention, referred as medical falls, in community-dwelling persons aged >60 years. Methods A cross-sectional analysis was conducted using information from the Health, Well-Being, and Aging ("SABE") Study in Latin America and the Caribbean (7 cities), as well as from the SABE Bogota study (pooled sample of 8 cities n=12,487). Falls that occurred during a past 12-month period were considered and then noted if required medical treatment because of the fall. Results The weighted prevalence of medical falls across the eight surveys ranged from 6.0% to 11.3%. In weighted multivariate logistic regression analyses, potentially modifiable risk factors for medical falls include urinary incontinence (OR=1.51 95% CI 1.18-1.92), high depressive symptomatology (OR=1.53 95% CI 1.24-1.91), poor self-rated health (OR=1.35 95% CI 1.10-1.66) and activities of daily living limitations (OR=1.48 95% CI 1.16-1.87). Conclusions Based on our results, preventive measures targeting these risk factors may help to decrease the risk for medical falls among older adults in Latin America.
RESUMEN Objetivo Estimar la prevalencia y los factores de riesgo de caídas que requieren atención médica, denominadas caídas médicas, en personas de edad mayor o igual a 60 años que viven en la comunidad. Métodos Se realizó un análisis transversal utilizando información del Estudio de Salud, Bienestar y Envejecimiento (SABE) en América Latina y el Caribe (7 ciudades), así como del estudio SABE Bogotá (muestra conjunta de 8 ciudades [n=12 487]). Se consideraron las caídas que ocurrieron durante los últimos 12 meses y luego se observó si esa persona requirió tratamiento médico como resultado de la caída. Resultados La prevalencia ponderada de caídas médicas en las ocho encuestas varió de 6,0% a 11,3%. El análisis de regresión logística múltiple ponderada de factores de riesgo para caídas médicas potencialmente modificables incluye incontinencia urinaria (OR=1,51 IC 95% 1,18-1,92), sintomatología depresiva alta (OR=1,53 IC 95% 1,241,91), mala salud autoevaluada (OR=1,35 IC 95% 1,10-1,66) y las limitaciones de actividades de vida diaria (OR=1,48 IC 95% 1,16-1,87). Conclusión Según nuestros resultados, medidas preventivas basadas en estos factores puede ayudar a disminuir el riesgo de caídas médicas entre los adultos mayores en América Latina.
8.
Medical falls among older adults in Latin American cities
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Reyes-Ortiz, Carlos A.
; Pacheco, Soraira
; Slovacek, Cedar A.
; Jiang, Meng
; Salinas-Fernandez, Ivania C.
; Ocampo-Chaparro, Jose M.
.
RESUMEN Objetivo Estimar la prevalencia y los factores de riesgo de caídas que requieren atención médica, denominadas caídas médicas, en personas de edad mayor o igual a 60 años que viven en la comunidad. Métodos Se realizó un análisis transversal utilizando información del Estudio de Salud, Bienestar y Envejecimiento (SABE) en América Latina y el Caribe (7 ciudades), así como del estudio SABE Bogotá (muestra conjunta de 8 ciudades [n=12 487]). Se consideraron las caídas que ocurrieron durante los últimos 12 meses y luego se observó si esa persona requirió tratamiento médico como resultado de la caída. Resultados La prevalencia ponderada de caídas médicas en las ocho encuestas varió de 6,0% a 11,3%. El análisis de regresión logística múltiple ponderada de factores de riesgo para caídas médicas potencialmente modificables incluye incontinencia urinaria (OR=1,51 IC 95% 1,18-1,92), sintomatología depresiva alta (OR=1,53 IC 95% 1,241,91), mala salud autoevaluada (OR=1,35 IC 95% 1,10-1,66) y las limitaciones de actividades de vida diaria (OR=1,48 IC 95% 1,16-1,87). Conclusión Según nuestros resultados, medidas preventivas basadas en estos factores puede ayudar a disminuir el riesgo de caídas médicas entre los adultos mayores en América Latina.
ABSTRACT Objective To estimate the prevalence and risk factors for falls requiring medical attention, referred as medical falls, in community-dwelling persons aged >60 years. Methods A cross-sectional analysis was conducted using information from the Health, Well-Being, and Aging ("SABE") Study in Latin America and the Caribbean (7 cities), as well as from the SABE Bogota study (pooled sample of 8 cities n=12,487). Falls that occurred during a past 12-month period were considered and then noted if required medical treatment because of the fall. Results The weighted prevalence of medical falls across the eight surveys ranged from 6.0% to 11.3%. In weighted multivariate logistic regression analyses, potentially modifiable risk factors for medical falls include urinary incontinence (OR=1.51 95% CI 1.18-1.92), high depressive symptomatology (OR=1.53 95% CI 1.24-1.91), poor self-rated health (OR=1.35 95% CI 1.10-1.66) and activities of daily living limitations (OR=1.48 95% CI 1.16-1.87). Conclusions Based on our results, preventive measures targeting these risk factors may help to decrease the risk for medical falls among older adults in Latin America.
9.
Infusion of Convalescent Plasma is Associated with Clinical Improvement in Critically Ill Patients with COVID-19: A Pilot Study
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Olivares-Gazca, Juan C.
; Priesca-Marín, Jose M.
; Ojeda-Laguna, Martín
; Garces-Eisele, Javier
; Soto-Olvera, Silvia
; Palacios-Alonso, Abraham
; Izquierdo-Vega, Judith
; Chacon-Cano, Rómulo
; Arizpe-Bravo, Daniel
; López-Trujillo, Miguel A.
; Cantero-Fortiz, Yahveth
; Fernandez-Lara, Danitza
; Ruiz-Delgado, Guillermo J.
; Ruiz-Argüelles, Guillermo J.
.
ABSTRACT Background: The ideal treatment of coronavirus disease (COVID)-19 has yet to be defined, but convalescent plasma (CoPla) has been successfully employed. Objective: The objective of the study was to study the safety and outcomes of the administration of CoPla to individuals with severe COVID-19 in an academic medical center. Methods: Ten patients were prospectively treated with plasma from COVID-19 convalescent donors. Results: Over 8 days, the sequential organ failure assessment score dropped significantly in all patients, from 3 to 1.5 (p = 0.014); the Kirby index (PaO2/FiO2) score increased from 124 to 255, (p < 0.0001), body temperature decreased significantly from 38.1 to 36.9°C (p = 0.0058), and ferritin levels also dropped significantly from 1736.6 to 1061.8 ng/ml (p = 0.0001). Chest X-rays improved in 7/10 cases and in 6/10, computerized tomography scans also revealed improvement of the lung injury. Decreases in C-reactive protein and D-dimer levels were also observed. Three of five patients on mechanical ventilation support could be extubated, nine were transferred to conventional hospital floors, and six were sent home; two patients died. The administration of CoPla had no side effects and the 24-day overall survival was 77%. Conclusions: Although other treatments were also administered to the patients and as a result data are difficult to interpret, it seems that the addition of CoPla improved pulmonary function.
https://doi.org/10.24875/ric.20000237
150 downloads
10.
First record of Cotesia scotti () (Hymenoptera: Braconidae: Microgastrinae) comb. nov. parasitising Spodoptera cosmioides (Walk, 1858) and Spodoptera eridania (Stoll, 1782) (Lepidoptera: Noctuidae) in Brazil
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Freitas, Josiane Garcia de
; Takahashi, Tamara Akemi
; Figueiredo, Lara L.
; Fernandes, Paulo M.
; Camargo, Luiza Figueiredo
; Watanabe, Isabela Midori
; Foerster, Luís Amilton
; Fernandez-Triana, José
; Shimbori, Eduardo Mitio
.
ABSTRACT This is the first report of Cotesia scotti (Valerio and Whitfield) comb. nov. in Brazil, attacking larvae of the black armyworm, Spodoptera cosmioides, and the southern armyworm, S. eridania. The moth larvae were found respectively, infesting a protected cropping of organic tomato in Hidrolândia, Goiás, Brazil, and a transgenic soybean crop in São José dos Pinhais, Paraná, Brazil. Biological, molecular and morphological characters were used to confirm the identity of the specimens. Parasitoid identification presented a challenge since the species has most diagnostic characters of the genus Cotesia Cameron, but few in the poorly defined genus Parapanteles Ashmead. Based on morphological and molecular evidence, we transfer Parapanteles scotti to the genus Cotesia. The new combination is discussed by comparison with morphologically similar species and available molecular data.
https://doi.org/10.1016/j.rbe.2019.05.001
849 downloads
11.
Immediate and short-term effects of the combination of dry needling and percutaneous TENS on post-needling soreness in patients with chronic myofascial neck pain
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León-Hernández, Jose V.
; Martín-Pintado-Zugasti, Aitor
; Frutos, Laura G.
; Alguacil-Diego, Isabel M.
; de la Llave-Rincón, Ana I.
; Fernandez-Carnero, Josue
.
Brazilian Journal of Physical Therapy
- Métricas do periódico
ABSTRACT Background Dry needling (DN) and percutaneous electrical nerve stimulation (PENS) are widely used techniques in the treatment of myofascial pain. Objective To investigate the immediate and short-term effects of the combination of DN and PENS compared to DN alone on the upper trapezius muscle. Method This is a 72-hour follow-up single-blinded randomized controlled trial. Sixty-two volunteer patients with chronic myofascial neck pain with active Myofascial Trigger Points (MTrPs) in the upper trapezius muscle were recruited. Randomization was performed, and 31 patients received DN treatment (DN group) and 31 received DN and PENS (DN+PENS group). The primary outcomes were neck disability index (NDI) and visual analog scale for pain for both post-needling soreness (PNS) and neck pain intensity (NPI). Pressure pain threshold (PPT) and cervical range of motion (CROM) were the secondary outcomes. Results We detected between-group differences in NPI and PNS in favor of the DN+PENS group immediately after treatment. No between-group differences in NDI were observed. Conclusion PENS application after dry needling treatment is more effective than dry needling alone for decreasing soreness in the short term and improving neck pain intensity immediately in patients with myofascial chronic neck pain.
https://doi.org/10.1590/bjpt-rbf.2014.0176
5029 downloads
12.
BRAZILIAN CONSENSUS FOR MULTIMODAL TREATMENT OF COLORECTAL LIVER METASTASES. MODULE 3: CONTROVERSIES AND UNRESECTABLE METASTASES
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TORRES, Orlando Jorge Martins
; MARQUES, Márcio Carmona
; SANTOS, Fabio Nasser
; FARIAS, Igor Correia de
; COUTINHO, Anelisa Kruschewsky
; OLIVEIRA, Cássio Virgílio Cavalcante de
; KALIL, Antonio Nocchi
; MELLO, Celso Abdon Lopes de
; KRUGER, Jaime Arthur Pirola
; FERNANDES, Gustavo dos Santos
; QUIREZE JR, Claudemiro
; MURAD, André M.
; SILVA, Milton José de BARROS E
; ZURSTRASSEN, Charles Edouard
; FREITAS, Helano Carioca
; CRUZ, Marcelo Rocha
; WESCHENFELDER, Rui
; LINHARES, Marcelo Moura
; CASTRO, Leonaldson dos Santos
; VOLLMER, Charles
; DIXON, Elijah
; RIBEIRO, Héber Salvador de Castro
; COIMBRA, Felipe José Fernandez
.
ABCD. Arquivos Brasileiros de Cirurgia Digestiva (São Paulo)
- Métricas do periódico
RESUMO Neste último módulo do consenso, abordou-se alguns temas controversos. O primeiro tópico discutido foi o manejo da doença após progressão na primeira linha de quimioterapia, com foco em se ainda haveria indicação cirúrgica neste cenário. A seguir, o painel debruçou-se sobre as situações de ressecção da doença hepática na presença de doença extra-hepática, assim como, qual a melhor sequência de tratamento. O tratamento de conversão para doença inicialmente irressecável também foi abordado neste módulo, incluindo as importantes definições de quando se pode esperar que a doença se torne ressecável e quais esquemas terapêuticos seriam mais efetivos à luz dos conhecimentos atuais sobre a biologia tumoral e taxas de resposta objetiva. Por último, o tratamento da doença não passível de ressecção foi discutida, focando-se nos melhores esquemas a serem empregados e seu sequenciamento, bem como o papel da quimioembolização no manejo destes pacientes.
ABSTRACT In the last module of this consensus, controversial topics were discussed. Management of the disease after progression during first line chemotherapy was the first discussion. Next, the benefits of liver resection in the presence of extra-hepatic disease were debated, as soon as, the best sequence of treatment. Conversion chemotherapy in the presence of unresectable liver disease was also discussed in this module. Lastly, the approach to the unresectable disease was also discussed, focusing in the best chemotherapy regimens and hole of chemo-embolization.
https://doi.org/10.1590/0102-6720201600030011
5210 downloads
13.
The Role of the Humic Substances in the Fractioning of Heavy Metals in Rodrigo de Freitas Lagoon, Rio de Janeiro - Brazil
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FONSECA, ESTEFAN M. DA
; BAPTISTA NETO, JOSÉ A.
; MCALISTER, JOHN
; SMITH, BERNARD
; FERNANDEZ, MARCOS A.
; BALIEIRO, FABIANO C.
.
Anais da Academia Brasileira de Ciências
- Métricas do periódico
Um dos principais resultados dos processos relativos da urbanização é a contaminação de corpos d'água adjacentes. Inserida neste contexto, a Lagoa Rodrigo de Freitas está situada na zona sul da cidade do Rio de Janeiro. Este ecossistema recebe uma série de descargas contendo todos os tipos de poluentes incluindo metais pesados. O presente trabalho estudou o fracionamento dos metais pesados nos sedimentos da Lagoa Rodrigo de Freitas assim como identificou a influência da matéria orgânica na dinâmica de partição. Os resultados das análises indicaram a matéria orgânica como um importante agente ligante. Características peculiares como sedimentos redutores, altas concentrações de metais pesados e granulometria fina transformaram este ecossistema em um depósito efetivo de metais pesados, onde os mesmos não se apresentam em frações facilmente remobilizáveis.
One of the main results of the processes related to urbanization is the contamination of the adjacent water bodies. Inserted in this context, the Rodrigo de Freitas lagoon is situated in the south zone of the city of Rio de Janeiro. This ecosystem receives several inputs containing all sorts of pollutants, including heavy metals. The present work aimed to study the partitioning of heavy metals in the sediments of Rodrigo de Freitas and the influence of organic matter in this fractionation dynamic. The results of these analyses presented the contents of organic matter as an important metal-capturing agent. Fractionation of organic matter resulted in a predominance of humine. Heavy metal partitioning showed that the metals bound by the water-soluble phase have no significant concentrations. Special features such as, reducing sediment, high levels of organic matter and fine grain size have transformed this ecosystem in an effective deposit of pollutants, where heavy metals are not available in easily reactive fractions.
https://doi.org/10.1590/0001-3765201371011
3630 downloads
14.
Aggressive behavior as a predictor of self-concept: a study with a sample of Spanish Compulsory Secondary Education students
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This study analyzed the relationship between aggressive behavior and self-concept in a sample of 2,022 Spanish students (51.09% males) of Compulsory Secondary Education, ranging in age from 12 to 16 years. Aggressive behavior was assessed using the Teenage Inventory of Social Skills (TISS), and selfconcept was assessed with the Self-Description Questionnaire II (SDQ-II). Logistic regression analyses showed that adolescents with aggressive behavior were more likely to perceive their relationship with their parents as negative, show little interest in verbal activities, be less sincere, and have lower self-esteem than their non-aggressive peers. Furthermore, despite models varied according to sex and grade, in most cases adolescents with high aggressive behavior also showed a higher probability of perceiving their relation with peers of the same sex in a negative way, being less interested in school domains and showing higher emotional instability than their non-aggressive counterparts. Non-expected results were obtained regarding the perceptions about interactions with peers of the opposite sex and physical appearance. Results are discussed attending to their practical implications.
Este estudio analizó la relación entre la conducta agresiva y el autoconcepto en una muestra de 2.022 estudiantes españoles (51,09% varones) de Educación Secundaria Obligatoria (ESO) de 12 a 16 años. La conducta agresiva fue evaluada con el Teenage Inventory of Social Skills (TISS) y el autoconcepto mediante el Self-Description Questionnaire II (SDQ-II). Los análisis de regresión logística mostraron que los adolescentes con comportamientos agresivos presentaron mayor probabilidad de percibir las relaciones con sus padres como negativas, mostrarse poco interesados por las tareas verbales, ser menos sinceros y tener una autoestima más baja. Asimismo, pese a que los modelos variaron en función del sexo y el curso, en la mayoría de los casos los estudiantes con alta conducta agresiva también presentaron una mayor probabilidad de percibir de forma negativa sus relaciones con los compañeros del mismo sexo, estar menos interesados por las materias escolares y ser emocionalmente más inestables que sus compañeros no agresivos. Se obtuvieron resultados inesperados en cuanto a las relaciones con los compañeros del sexo opuesto y a la percepción de atractivo físico. Los resultados son analizados atendiendo a sus implicaciones prácticas.
https://doi.org/10.5093/in2011v20n2a8
418 downloads
15.
Cuantificación inmunomagnética de células tumorales circulantes en pacientes con cáncer de próstata: correlación clínica y patológica
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Resel Folkersma, L.
; Olivier Gómez, C.
; San José Manso, L.
; Veganzones de Castro, S.
; Galante Romo, I.
; Vidaurreta Lázaro, M.
; Orden, G.V.de la
; Arroyo Fernandez, M.
; Díaz Rubio, E.
; Silmi Moyano, A.
; Maestro de las Casas, M. A.
.
Archivos Españoles de Urología (Ed. impresa)
- Métricas do periódico
Objectives: To detect and enumerate circulating prostatic tumor cells (CTC) in the peripheral blood of patients with prostate cancer (PC) and study the relationship between CTCs and clinical-pathological parameters. Methods: Prospective three-arm study: 26 patients (p) with localised PC (LPC); 24 P with metastatic PC (MPC) and 30 healthy volunteer controls. A single 7.5 ml sample of peripheral blood was retrieved; CTCs were isolated using an immunomagnetic method based on the CellSearch system (Veridex). CTCs were identified as nucleated cells negative for CD45 (leukocytes) and positive for cytokeratins. (8, 18 y 19) The relationship between CTC numbers and PSA levels, Gleason score and TNM classification was studied. Results: Only 10% of the healthy controls had 1 CTC/7.5 mL, none of the patients with localised PC had more than 3 CTCs (88% < 2 CTCs), and patients with MPC had significantly higher CTC levels [m: 29 (1-178)] compared with the other two groups (P: 0.000). A positive correlation was demonstrated between the CTC count and PSA levels, tumor size, and presence or absence of enlarged lymph nodes. Gleason score was the only parameter that did not show any correlation with CTC levels, and although the number of CTCs was higher in patients with visceral metastases [m: 297 (0-416)] compared with bone metastases patients [m: 68 (9.5-168j], these differences were not significant. Conclusions: Immunomagnetic analysis permits CTCs to be enumerated in peripheral blood and could be a possible way to correctly stage and make a reasonable prognosis of metastatic disease.
Objetivos: Detección y cuantificación de células tumorales prostáticas circulantes (CTC) en sangre periférica de pacientes con cáncer de próstata (CP) y estudiar la relación de las CTCs con los parámetros clínico-patológicos. Métodos: Estudio prospectivo con tres brazos: 26 pacientes (p) con CP localizado (CPL); 24p con CP metastático (CPM) y 30 controles voluntarios sanos. Se extrajo una única muestra de 7,5 mL de sangre periférica y se aislaron las CTC según un método inmunomagnético basado en el sistema CellSearch (Veridex). Las CTCs fueron identificadas como células nucleadas negativas para el CD45 (leucocitos) y positivas para las citoqueratinas (8, 18 y 19). Se estudiaron las relaciones del número de CTCs con los niveles de PSA, Gleason y clasificación TNM. Resultados: Sólo el 10% de controles sanos tenían 1 CTC/7,5 mL, ninguno de los pacientes con CP localizado tuvo más de 3 CTC (88% < 2 CTC) y aquellos con CPM presentaban niveles de CTCs significativamente más altos [m: 29 (1-178)] comparados con los otros dos grupos (P: 0.000). Se demostró una correlación positiva entre el número de CTC y cifras de PSA, con el tamaño del tumor y con la presencia o no de adenopatías. El grado Gleason fue el único parámetro que no mostró correlación con los niveles de CTC y aunque el número de CTC fue mayor en aquellos con metástasis viscerales [m: 297 (0-416)] comparado con los que tenían metástasis óseas [m: 68 (9,5-168)] estas diferencias no fueron significativas. Conclusiones: El análisis inmunomagnético nos permite cuantificar las CTC en sangre periférica y podría presentar una posibilidad para lograr una estadificación correcta y estimar un pronóstico adecuado de la enfermedad metastática.
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