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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.
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; Knoff, Marcelo
; Nogueira, Marcelo
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; Tavares, Marcelo T.
; Kitahara, Marcelo V.
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; Botelho, Marcia J.C.
; Couri, Márcia S.
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; Felix, Márcio
; Oliveira, Marcio L. de
; Bologna, Marco A.
; Gottschalk, Marco S.
; Tavares, Marcos D.S.
; Lhano, Marcos G.
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; Domingues, Marcus V.
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; Leal, Sebastián A. Muñoz
; Aloquio, Sergio
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; Posso, Sergio R.
; Lima, Sheila P.
; Gadelha, Sian de S.
; Thiengo, Silvana C.
; Cohen, Simone C.
; Brandão, Simone N.
; Rosa, Simone P.
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; Letana, Sócrates D.
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; Dávila, Stephane
; Vaz, Stéphanie
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; Cunha, Suzan B.Z.
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; Zacca, Thamara
; Pacheco, Thaynara L.
; Martins, Thiago F.
; Alvarenga, Thiago M.
; Carvalho, Thiago R. de
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; 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
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; Costa-Silva, Vinicius da
; Bertaco, Vinicius de A.
; Padula, Vinícius
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; 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
2.
Produção e decomposição de serapilheira em áreas de reflorestamento e floresta nativa no sul do Amazonas
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Bello, Ozias Cunha
; Cunha, José Maurício
; Campos, Milton César Costa
; Pereira, Marcos Gervasio
; Santos, Luís Antônio Coutrim
; Martins, Thalita Silva
; Brito Filho, Elilson Gomes de
.
Abstract The diversity of forest species is an intrinsic characteristic of the Amazon biome, with litter being the main responsible for the largest portion of nutrients returned to the soil. Thus, the objective of this study was to quantify the annual production of burlap and to determine the rate of decomposition over one year, comparing the results in the different study environments. The study was developed in the municipality of Humaitá-AM. For the evaluation of the litter production, ten cone collectors were randomly installed in each study area. Each litter sample was placed separately in properly identified paper bags and taken to the laboratory and dried in a forced air circulation oven at 65 ° C. The litter decomposition rate was estimated by mass loss analysis using litter bags. Litter production with the highest annual average was 8,03 Mg ha-1 year -1 for the native forest environment, with no significant difference for the other study areas. Among the fractions of the litter that contributed the most to the leaf, reaching a higher average percentage in the year of 72,1% for the environment of reforestation with teak (Tectona grandis L.). The decomposition of litter occurred more rapidly (0.0025 g g-1 day) in the reforestation environment with genipap (Genipa americana L.), requiring 277,26 days to decompose half of the leaf material. biome soil Thus environments HumaitáAM. HumaitáAM Humaitá AM. AM Humaitá-AM area 6 C 803 8 03 8,0 ha1 ha 1 ha- - areas 721 72 72,1 Tectona L.. L L. . L.) 0.0025 00025 0 0025 (0.002 g1 g- day Genipa L., , 27726 277 26 277,2 material 80 8, 7 72, 0.002 0002 002 (0.00 2772 27 2 277, 0.00 000 00 (0.0 0.0 (0. 0. (0 (
Resumo A diversidade de espécies florestais é uma característica intrínseca do bioma Amazônico, sendo a serapilheira a principal responsável pela maior parcela dos nutrientes devolvidos ao solo. Dessa forma, o objetivo deste estudo foi quantificar a produção anual de serapilheira e determinar a velocidade de decomposição ao longo de um ano, comparando os resultados nos diferentes ambientes de estudo. O estudo foi desenvolvido no município de Humaitá-AM. Para a avaliação da produção de serapilheira, foram instalados de modo aleatório dez coletores cônicos em área de Floresta Nativa, área de Reflorestamento com Teca (Tectona grandis L), área de Reflorestamento com Jenipapo (Genipa americana L.) e ambiente de Reflorestamento considerado Misto, composto pelas espécies Mogno (Swietenia macrophylla King.), Andiroba (Carapa guianensis Aubl.), Jenipapo (Genipa americana L.), Teca (Tectona grandis L.) e Sumauma (Ceiba pentandra). Cada amostra de serapilheira foi colocada, separadamente, em sacos de papel devidamente identificados e levadas para laboratório e secas em estufa de circulação de ar forçado a 65°C. A estimativa da taxa de decomposição da serapilheira foi feita pela análise de perda de massa utilizando-se litter bags. A produção de serapilheira média anual foi de 8,03 Mg ha-1 ano-1 para o ambiente de floresta nativa, e não houve diferença significativa para as demais áreas de estudo. Entre as frações da serapilheira, a que mais contribuiu foi a foliar, atingindo maior média percentual no ano de 72,1% para o ambiente de reflorestamento com teca (Tectona grandis L.). A decomposição da serapilheira ocorreu de forma mais acelerada (0,0025 g g-1dia) no ambiente de reflorestamento com jenipapo (Genipa americana L.), sendo necessários 277,26 dias para que fosse decomposta metade do material foliar. Amazônico solo HumaitáAM. HumaitáAM Humaitá AM. AM Humaitá-AM Nativa Tectona L, L , L) Genipa L. Misto Swietenia King., King King. King.) Carapa Aubl., Aubl Aubl. Aubl.) L., Ceiba pentandra. pentandra . pentandra) colocada separadamente 65C C 65 65°C utilizandose utilizando se bags 803 8 03 8,0 ha1 ha 1 ha- ano1 ano- nativa foliar 721 72 72,1 L.. 0,0025 00025 0 0025 (0,002 g1dia gdia 1dia dia g-1dia 27726 277 26 277,2 6 80 8, 7 72, 0,002 0002 002 (0,00 2772 27 2 277, 0,00 000 00 (0,0 0,0 (0, 0, (0 (
3.
Undernutrition and short duration of breastfeeding association with child development: a population-based study
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Rocha, Hermano A.L.
; Correia, Luciano L.
; Leite, Álvaro J.M.
; Rocha, Sabrina G.M.O.
; Machado, Márcia M.T.
; Campos, Jocileide S.
; Cunha, Antonio J.L.A.
; Silva, Anamaria C. e
; Sudfeld, Christopher R.
.
Abstract Objective: To explore the relationship of undernutrition and the short duration of breastfeeding with child development of children 0–66 months of age residing in Ceará, Brazil. Methods: The authors of the present study utilized population-based data from children enrolled in the Study on Maternal and Child Health in Ceará, Brazi (PESMIC). Children’s development was assessed with the Ages and Stages Questionnaire third version, validated in Brazil. Undernutrition was accessed through anthropometric measures obtained by trained staff. Breastfeeding information was obtained through the mothers' report and confirmed in the child's governmental booklet. The authors used logistic regressions adjusted for sample clusters used in PESMIC design in a theoretical model for known determinants of child development following the World Health Organization nurturing framework. Results: A total of 3,566 children were enrolled in the sixth PESMIC study and had their development assessed. The authors found that 8.2%, 3.0%, 2.1%, and 3.6% of children were stunted, underweight, or wasted, at the time of the interview, respectively. All studied factors were associated with a higher prevalence of child development impairment in at least one of the assessed domains. Underweight was the factor with the strongest effect, with an adjusted odds ratio (AOR) of 4,14 (2,26–7,58), p < 0.001. Breastfeeding for up to two months compared to more than six months (AOR2,08 (1,38–3,12)) was also associated. Conclusions: The authors found that undernutrition and short duration of breastfeeding are associated with development outcomes among Brazilian children. As a result, integrated nutritional programs may improve child development outcomes.
4.
Cannabinoid receptor gene polymorphisms and cognitive performance in patients with schizophrenia and controls
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Ferretjans, Rodrigo
; de Souza, Renan P.
; Panizzutti, Bruna
; Ferrari, Pâmela
; Mantovani, Lucas
; de Campos-Carli, Salvina M.
; Santos, Rafael R.
; Guimarães, Fernanda C.
; Teixeira, Antonio L.
; Gama, Clarissa S.
; Salgado, João V.
.
Objective: To test the hypothesis that genetic variations of cannabinoid receptors contribute to the pathophysiology of cognitive deficits in schizophrenia. Methods: In this genetic association case-control study, cannabinoid receptor polymorphisms CNR1 rs12720071 and CNR2 rs2229579 were tested for association with neurocognitive performance in 69 patients with schizophrenia and 45 healthy controls. Neurocognition was assessed by the Brief Assessment of Cognition in Schizophrenia (BACS). Results: We found a consistent association between CNR1 rs12720071 polymorphism and the cognitive performance of patients in several cognitive domains. Patients with C/C polymorphism presented significantly worse performance in motor speed, verbal fluency, attention/processing speed and reasoning/problem solving. Conclusion: Although limited, our data support the hypothesis that CNR1 variations may be associated with the pathogenesis of cognitive deficits of schizophrenia.
5.
Persistent symptoms and decreased health-related quality of life after symptomatic pediatric COVID-19: A prospective study in a Latin American tertiary hospital
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Fink, Thais T.
; Marques, Heloisa H.S.
; Gualano, Bruno
; Lindoso, Livia
; Bain, Vera
; Astley, Camilla
; Martins, Fernanda
; Matheus, Denise
; Matsuo, Olivia M.
; Suguita, Priscila
; Trindade, Vitor
; Paula, Camila S.Y.
; Farhat, Sylvia C.L.
; Palmeira, Patricia
; Leal, Gabriela N.
; Suzuki, Lisa
; Odone Filho, Vicente
; Carneiro-Sampaio, Magda
; Duarte, Alberto José S.
; Antonangelo, Leila
; Batisttella, Linamara R.
; Polanczyk, Guilherme V.
; Pereira, Rosa Maria R.
; Carvalho, Carlos Roberto R.
; Buchpiguel, Carlos A.
; Latronico, Ana Claudia
; Seelaender, Marilia
; Silva, Clovis Artur
; Pereira, Maria Fernanda B.
; Sallum, Adriana M. E.
; Brentani, Alexandra V. M.
; Neto, Álvaro José S.
; Ihara, Amanda
; Santos, Andrea R.
; Canton, Ana Pinheiro M.
; Watanabe, Andreia
; Santos, Angélica C. dos
; Pastorino, Antonio C.
; Franco, Bernadette D. G. M.
; Caruzo, Bruna
; Ceneviva, Carina
; Martins, Carolina C. M. F.
; Prado, Danilo
; Abellan, Deipara M.
; Benatti, Fabiana B.
; Smaria, Fabiana
; Gonçalves, Fernanda T.
; Penteado, Fernando D.
; Castro, Gabriela S. F. de
; Gonçalves, Guilherme S.
; Roschel, Hamilton
; Disi, Ilana R.
; Marques, Isabela G.
; Castro, Inar A.
; Buscatti, Izabel M.
; Faiad, Jaline Z.
; Fiamoncini, Jarlei
; Rodrigues, Joaquim C.
; Carneiro, Jorge D. A.
; Paz, Jose A.
; Ferreira, Juliana C.
; Ferreira, Juliana C. O.
; Silva, Katia R.
; Bastos, Karina L. M.
; Kozu, Katia
; Cristofani, Lilian M.
; Souza, Lucas V. B.
; Campos, Lucia M. A.
; Silva Filho, Luiz Vicente R. F.
; Sapienza, Marcelo T.
; Lima, Marcos S.
; Garanito, Marlene P.
; Santos, Márcia F. A.
; Dorna, Mayra B.
; Aikawa, Nadia E.
; Litvinov, Nadia
; Sakita, Neusa K.
; Gaiolla, Paula V. V.
; Pasqualucci, Paula
; Toma, Ricardo K.
; Correa-Silva, Simone
; Sieczkowska, Sofia M.
; Imamura, Marta
; Forsait, Silvana
; Santos, Vera A.
; Zheng, Yingying
.
OBJECTIVES: To prospectively evaluate demographic, anthropometric and health-related quality of life (HRQoL) in pediatric patients with laboratory-confirmed coronavirus disease 2019 (COVID-19) METHODS: This was a longitudinal observational study of surviving pediatric post-COVID-19 patients (n=53) and pediatric subjects without laboratory-confirmed COVID-19 included as controls (n=52) was performed. RESULTS: The median duration between COVID-19 diagnosis (n=53) and follow-up was 4.4 months (0.8-10.7). Twenty-three of 53 (43%) patients reported at least one persistent symptom at the longitudinal follow-up visit and 12/53 (23%) had long COVID-19, with at least one symptom lasting for >12 weeks. The most frequently reported symptoms at the longitudinal follow-up visit were headache (19%), severe recurrent headache (9%), tiredness (9%), dyspnea (8%), and concentration difficulty (4%). At the longitudinal follow-up visit, the frequencies of anemia (11% versus 0%, p=0.030), lymphopenia (42% versus 18%, p=0.020), C-reactive protein level of >30 mg/L (35% versus 0%, p=0.0001), and D-dimer level of >1000 ng/mL (43% versus 6%, p=0.0004) significantly reduced compared with baseline values. Chest X-ray abnormalities (11% versus 2%, p=0.178) and cardiac alterations on echocardiogram (33% versus 22%, p=0.462) were similar at both visits. Comparison of characteristic data between patients with COVID-19 at the longitudinal follow-up visit and controls showed similar age (p=0.962), proportion of male sex (p=0.907), ethnicity (p=0.566), family minimum monthly wage (p=0.664), body mass index (p=0.601), and pediatric pre-existing chronic conditions (p=1.000). The Pediatric Quality of Live Inventory 4.0 scores, median physical score (69 [0-100] versus 81 [34-100], p=0.012), and school score (60 [15-100] versus 70 [15-95], p=0.028) were significantly lower in pediatric patients with COVID-19 at the longitudinal follow-up visit than in controls. CONCLUSIONS: Pediatric patients with COVID-19 showed a longitudinal impact on HRQoL parameters, particularly in physical/school domains, reinforcing the need for a prospective multidisciplinary approach for these patients. These data highlight the importance of closer monitoring of children and adolescents by the clinical team after COVID-19.
6.
Evaluación in vitro de antagonistas contra patógenos de fruto de guanábana (Annona muricataL.)en Nayarit, México
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Ayón, Carlos Bryan Cambero
; Esquivel, Gregorio Luna
; Velasco, Claudio Rios
; Virgen, Orlando Estrada
; Aranguré, Antonio Betancourt
; Campos, Octavio Jhonathan Cambero
.
Abstract In Nayarit, Mexico, soursop production is affected by the pathogens of Pestalotiopsis sp. and Colletotrichum gloeosporioides that cause dry rot and Lasiodiplodia pseudotheobromae soft rot. In the present study, the in vitro antagonism of three species of Streptomyces, three of Trichoderma and three of Bacillus were evaluated. The Trichoderma strains showed different inhibition in the pathogens evaluated, Trichoderma longibrachiatum showed the highest PIRG in vitro, which was 60.45, 59.33 and 57.9 when confronted against C. gloeosporioides, Pestalotiopsis sp., and L. pseudotheobromae, respectively. The bacteria showed lower PIRG than the fungi. B. methylotrophicus exhibited the highest capacity of inhibition of the experiment with 58.22 % of PIRG against Pestalotiopsis sp. The Streptomyces strains were the most effective and could be studied in future researches on the biological control of fruit pathogens, since they exerted 100 % inhibition except S. viridochromogenes that presented a percentage of inhibition of radial growth (PIRG) of 88.3 % against Lasiodiplodia pseudotheobromae.
Resumen En Nayarit, México, la producción de guanábana es afectada por los patógenos de fruto Pestalotiopsis sp. y Colletotrichum gloeosporioides que provocan pudrición seca y Lasiodiplodia pseudotheobromae pudrición blanda. En el presente estudio, se evaluó el antagonismo in vitro de tres especies de Streptomyces, tres de Trichoderma y tres de Bacillus. Las cepas de Trichoderma mostraron diferente inhibición en los patógenos evaluados, Trichoderma longibrachiatum mostró el mayor PICR, que fueron de 60.45, 59.33 y 57.9 al confrontarse contra C. gloeosporioides, Pestalotiopsis sp., y L. pseudotheobromae, respectivamente. En el caso de las bacterias, el mayor PICR fue de 58.22 % con B. methylotrophicus contra Pestalotiopsis sp. Las cepas de Streptomyces fueron las más eficaces y podrían estudiarse en futuras investigaciones sobre el control biológico de patógenos de fruto, ya que ejercieron el 100 % de inhibición excepto S. viridochromogenes que presentó un porcentaje de inhibición de crecimiento radial (PICR) de 88.3 % contra Lasiodiplodia pseudotheobromae.
https://doi.org/10.1590/0100-29452020147
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7.
Synergism in the Antibacterial Action of Ternary Mixtures Involving Silver Nanoparticles, Chitosan and Antibiotics
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Brasil, Marcelo S. L.
; Filgueiras, Aline L.
; Campos, Marina B.
; Neves, Mariana S. L.
; Eugênio, Mateus
; Sena, Lídia A.
; Sant'Anna, Celso B.
; Silva, Vânia L. da
; Diniz, Cláudio G.
; Sant'Ana, Antonio C.
.
Journal of the Brazilian Chemical Society
- Métricas do periódico
The investigations of the antibacterial actions, observed in ternary associations involving silver nanoparticles (AgNPs), chitosan and the antibiotics azithromycin (AZ), levofloxacin (LE) or tetracycline (TE), against Gram-negative and Gram-positive bacterial strains, were performed by in vitro antimicrobial susceptibility testing and checkerboard assays. The pH impact in the culture medium was carefully discarded, but preserving the best conditions for solubilizing chitosan. The synergistic antibacterial effects were observed in the most combinations of AgNPs, chitosan and antibiotic, leading to a reduction from 37 to 97% in the minimum inhibitory concentration of the drugs. The mechanisms for the enhanced antimicrobial effects were proposed based on the investigations of the adsorptions of the drugs on the silver surfaces through surface-enhanced Raman scattering (SERS) spectroscopy.
https://doi.org/10.21577/0103-5053.20180077
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8.
FOOD INTAKE EVALUATION DURING THE FIRST YEAR OF POSTOPERATIVE OF PATIENTS WITH TYPE 2 DIABETES MELLITUS OR GLYCEMIC ALTERATION SUBMITTED TO ROUX-EN-Y GASTRIC BYPASS
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ZAPAROLLI, Marilia R.
; DA-CRUZ, Magda R. R.
; FREHNER, Caroline
; BRANCO-FILHO, Alcides J.
; SCHIEFERDECKER, Maria Eliana M.
; CAMPOS, Antônio C. L.
; TACONELI, Cesar Augusto
; PARREIRA, Guilherme
.
ABCD. Arquivos Brasileiros de Cirurgia Digestiva (São Paulo)
- Métricas do periódico
RESUMO Racional: Obesidade é uma das maiores causas de alteração glicêmica. O insucesso no seu tratamento clínico pode levar ao aumento de operações bariátricas. Orientação dietética, em conjunto com fatores disabsortivos e hormonais resultantes das alterações anatômicas e fisiológicas provocadas pela operação, está associada à mudanças na ingestão alimentar. Objetivo : Analisar a evolução da ingestão alimentar durante o primeiro ano pós-operatório de bypass gástrico em Y-de-Roux de pacientes com diabete melito tipo 2 ou alteração glicêmica no pré-operatório. Métodos : Estudo observacional longitudinal e retrospectivo. Para análise da evolução da ingestão alimentar, modelos de regressão linear com erros normais foram ajustados para cada nutriente. Resultados: Aos 12 meses, todos os pacientes apresentaram melhora nos níveis de glicemia (p<0,05). Durante o primeiro ano pós-operatório, houve redução na ingestão de energia, macronutrientes, consumo de bebidas alcoólicas e refrigerantes. Por outro lado, houve aumento na ingestão de fibras e fracionamento de dieta. Observou-se que, apesar das restrições gástricas, a ingestão de micronutrientes recomendados especificamente para o controle glicêmico foi maior até seis meses do pós-operatório. Conclusão: Houve mudança na quantidade e na qualidade da ingestão alimentar, sendo o consumo de alimentos que contribuem para o controle glicêmico mais prevalente até o sexto mês de pós-operatório. No pós-operatório em até um ano, a dieta sofre alteração, apresentando inadequações em relação à pirâmide específica, com tendência ao padrão alimentar do pré-operatório.
ABSTRACT Background : Obesity is one of the main causes of glycemic change. Failure of clinical obesity treatment may lead to an increase in bariatric surgery. Dietary guidance, in conjunction with disabsorptive and hormonal factors resulting from the anatomical and physiological changes provoked by the surgery, is associated with changes in food intake. Aim: To analyze food intake evolution during the first postoperative year of Roux-en-y gastric bypass in patients with type 2 diabetes mellitus or glycemic alteration. Methods : This was a longitudinal and retrospective observational study. For food intake evolution analysis, linear regression models with normal errors were adjusted for each of the nutrients. Results: At 12 months, all patients presented improvement in glycemic levels (p<0.05). During the first postoperative year, there was a reduction in energy intake, macronutrients, consumption of alcoholic beverages and soft drinks. Conversely, there was an increase in fiber intake and diet fractionation. It was observed that, despite gastric restrictions, the micronutrient intake specifically recommended for glycemic control was greater up to six months postoperatively. Conclusion: There was change in the quantity and quality of food intake. It was the most prevalent glycemic control contributor up to six months postoperatively. At the end of one year, the diet underwent a change, showing a similar tendency to the preoperative food intake pattern.
https://doi.org/10.1590/0102-672020180001e1367
3593 downloads
9.
3rd Guideline for Perioperative Cardiovascular Evaluation of the Brazilian Society of Cardiology
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Gualandro, Danielle Menosi
; Yu, Pai Ching
; Caramelli, Bruno
; Marques, André Coelho
; Calderaro, Daniela
; Fornari, Luciana Savoy
; Pinho, Claudio
; Feitosa, Alina Coutinho Rodrigues
; Polanczyk, Carisi Anne
; Rochitte, Carlos Eduardo
; Jardim, Carlos
; Vieira, Carolina L. Z.
; Nakamura, Debora Y. M.
; Iezzi, Denise
; Schreen, Dirk
; Adam, Eduardo Leal
; D’Amico, Elbio Antonio
; Lima, Emerson Q. de
; Burdmann, Emmanuel de Almeida
; Mateo, Enrique Indalecio Pachón
; Marcondes-Braga, Fabiana Goulart
; Machado, Fabio S.
; Paula, Flavio J. de
; Carmo, Gabriel Assis Lopes do
; Feitosa-Filho, Gilson Soares
; Prado, Gustavo Faibischew
; Lopes, Heno Ferreira
; Fernandes, João R. C.
; Lima, José J. G. de
; Sacilotto, Luciana
; Drager, Luciano Ferreira
; Vacanti, Luciano Janussi
; Rohde, Luis Eduardo Paim
; Prada, Luis F. L.
; Gowdak, Luis Henrique Wolff
; Vieira, Marcelo Luiz Campos
; Monachini, Maristela Camargo
; Macatrão-Costa, Milena Frota
; Paixão, Milena Ribeiro
; Oliveira Junior, Mucio Tavares de
; Cury, Patricia
; Villaça, Paula R.
; Farsky, Pedro Silvio
; Siciliano, Rinaldo F.
; Heinisch, Roberto Henrique
; Souza, Rogerio
; Gualandro, Sandra F.M.
; Accorsi, Tarso Augusto Duenhas
; Mathias Júnior, Wilson
.
https://doi.org/10.5935/abc.20170140
100302 downloads
10.
The Einstein-Brazil Fogarty: A decade of synergy
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Nosanchuk, Joshua D.
; Nosanchuk, Murphy D.
; Rodrigues, Marcio L.
; Nimrichter, Leonardo
; Carvalho, Antonio C. Campos de
; Weiss, Louis M.
; Spray, David C.
; Tanowitz, Herbert B.
.
Abstract A rich, collaborative program funded by the US NIH Fogarty program in 2004 has provided for a decade of remarkable opportunities for scientific advancement through the training of Brazilian undergraduate, graduate and postdoctoral students from the Federal University and Oswaldo Cruz Foundation systems at Albert Einstein College of Medicine. The focus of the program has been on the development of trainees in the broad field of Infectious Diseases, with a particular focus on diseases of importance to the Brazilian population. Talented trainees from various regions in Brazil came to Einstein to learn techniques and study fungal, parasitic and bacterial pathogens. In total, 43 trainees enthusiastically participated in the program. In addition to laboratory work, these students took a variety of courses at Einstein, presented their results at local, national and international meetings, and productively published their findings. This program has led to a remarkable synergy of scientific discovery for the participants during a time of rapid acceleration of the scientific growth in Brazil. This collaboration between Brazilian and US scientists has benefitted both countries and serves as a model for future training programs between these countries.
https://doi.org/10.1590/S1517-838246420140975
1910 downloads
11.
Software for project and analysis of frequency selective surfaces
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Journal of Microwaves, Optoelectronics and Electromagnetic Applications
- Métricas do periódico
In this paper, a software for design and analysis of frequency selective surfaces (FSS) based on the equivalent circuit model is presented, with emphasis on teaching students in the interaction between FSS parameters. Tools to design FSSs and a tutorial with theoretical elements of the equivalent circuit method, applied to FSS, compose this software. The software can be used at FSS analysis and design course to consolidate the first theoretical and illustrated concepts.
8041 downloads
12.
II Diretriz de Avaliação Perioperatória da Sociedade Brasileira de Cardiologia
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Feitosa, Alina Coutinho Rodrigues
; Marques, André Coelho
; Caramelli, Bruno
; Ayub, Beatriz
; Polanczyk, Carisi A.
; Jardim, Carlos
; Vieira, Carolina L. Zilli
; Pinho, Claudio
; Calderaro, Daniela
; Gualandro, Danielle Menosi
; Iezzi, Denise
; Ikeoka, Dimas T.
; Schreen, Dirk
; D'Amico, Elbio Antonio
; Pfeferman, Elcio
; Lima, Emerson Quintino de
; Burdmann, Emmanuel de A.
; Pachon, Enrique
; Machado, Fabio Santana
; Galas, Filomena Regina Barbosa Gomes
; Paula, Flávio Jota de
; Carvalho, Francine Corrêa de
; Feitosa-Filho, Gilson Soares
; Prado, Gustavo Faibischew
; Lopes, Heno F.
; Lima, José Jaime Galvão de
; Marchini, Julio Flavio Meirelles
; Fornari, Luciana S.
; Drager, Luciano F.
; Vacanti, Luciano Janussi
; Hajjar, Ludhmila Abrahão
; Rohde, Luis Eduardo P.
; Gowdak, Luís Henrique
; Cardoso, Luiz Francisco
; Vieira, Marcelo Luiz Campos
; Monachini, Maristela C.
; Macatrão, Milena
; Yu, Pai Ching
; Villaça, Paula Ribeiro
; Farsky, Pedro Silvio
; Lopes, Renato Delascio
; Bagnatori, Renato Scotti
; Heinisch, Roberto Henrique
; Gualandro, Sandra F. Menosi
; Accorsi, Tarso Augusto Duenhas
; Ávila, Walkiria Samuel
; Mathias Jr., Wilson
.
53329 downloads
13.
Development of biofilm in anaerobic reactors treating wastewater from coffee grain processing
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Fia, Fátima R. L.
; Borges, Alisson C.
; Matos, Antonio T. de
; Duarte, Iolanda C. S.
; Fia, Ronaldo
; Campos, Lidiane C. de
.
Revista Brasileira de Engenharia Agrícola e Ambiental
- Métricas do periódico
Nas últimas décadas tem-se registrado, no Brasil, o uso de reatores anaeróbios de leito fixo para o tratamento de diversos tipos de efluentes. Uma vez que a capacidade de retenção de micro-organismos pelo meio suporte (leito fixo) é fator de influência no desempenho desses reatores, buscou-se, com a realização do presente estudo, avaliar a influência do leito fixo na eficiência de três unidades tratando um efluente com elevado potencial poluidor: água residuária do processamento dos frutos do cafeeiro (ARC), com concentração de matéria orgânica variando entre 812 e 5.320 mg L-1 na forma de DQO. Os tipos de suporte utilizados na imobilização da biomassa foram: escória de alto-forno, espuma de poliuretano e brita nº 2, com índice de vazios de 53, 95 e 48%, respectivamente. A eficiência média de remoção de DQO no reator preenchido com espuma de poliuretano foi de 80%, atribuída ao seu maior índice de vazios o qual proporcionou também maior retenção e fixação da biomassa que, quantificada na forma de SVT, foi equivalente a 1.301 mg g-1 de espuma. O biofilme apresentou variedade de microrganismos tendo-se registrado bacilos, bacilos curvos, cocos, filamentos, e morfologias semelhantes a Methanosaeta sp. e Methanosarcina sp..
In recent decades the use of anaerobic fixed bed reactors has been established in Brazil for the treatment of different effluents. As the capability of retaining microorganisms by support media (fixed bed) is a factor influencing the performance of these reactors, the present study aims at evaluating the influence of three fixed bed on the effectiveness of treating an effluent with high pollution potential: wastewater from coffee grain processing (WCP), with organic matter concentrations varying from 812 to 5320 mg L-1 in the form of chemical oxygen demand (COD). Support media used for the immobilization of biomass were: blast furnace slag, polyurethane foam and #2 crushed stone with porosities of 53, 95 and 48%, respectively. The mean efficiency of COD removal in the reactor filled with polyurethane foam was 80%, attributed to its higher porosity index, which also provided greater retention and fixation of biomass which, when quantified as total volatile solids, was found to be 1301 mg g-1 of foam. The biofilm was made up of various microorganisms, including rod, curved rods, cocci, filaments and morphologies similar to Methanosaeta sp. and Methanosarcina sp.
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14.
Time course of echocardiographic and electrocardiographic parameters in myocardial infarct in rats
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Miranda, Amarildo
; Costa-e-Sousa, Ricardo H.
; Werneck-de-Castro, João P.S.
; Mattos, Elisabete C.
; Olivares, Emerson L.
; Ribeiro, Vanessa P.
; Silva, Márcia G.
; Goldenberg, Regina C.S.
; Campos-de-Carvalho, Antônio C.
.
Anais da Academia Brasileira de Ciências
- Métricas do periódico
Nos modelos animais a medida do tamanho do infarto do miocárdio "in vivo" e sua relação com o tamanho da lesão encontrada no exame "pos-mortem" ainda é um desafio. A finalidade do presente estudo é verificar se um eletro (ECG) e ecocardiograma (ECO) rotineiros poderiam ser utilizados para predizer a extensão do infarto em ratos. Ratos Wistar foram infartados pela ligadura cirúrgica da artéria coronária descendente anterior e exames eletro, ecocardiográficos e histopatológicos foram realizados 1, 7 e 28 dias pós-infarto. Foi encontrada correlação entre o tamanho do infarto medido pela histopatologia e a amplitude da onda Q em D1 apenas nos ECGs realizados no primeiro dia após a cirurgia. Os diâmetros da cavidade ventricular esquerda medidos em sístole e em diástole pelo ECO correlacionaram-se com o tamanho do infarto no sétimo dia pós-infarto. Ainda mais, no sétimo e vigésimo oitavo dias pós-cirurgia, os índices sistólicos estimados pelo Modo M também se correlacionaram com o tamanho do infarto. Em resumo, nós mostramos que um ECG e ECO convencionais são capazes de estimar a extensão do infarto do miocárdio em ratos. Nossos dados sugerem que o tempo mais adequado para estimar o tamanho do infarto pelo ECO é 7 dias pós-cirurgia.
In animal models the evaluation of myocardial infarct size in vivo and its relation to the actual lesion found post mortem is still a challenge. The purpose of the current study was to address if the conventional electrocardiogram (ECG) and/or echocardiogram (ECHO) could be used to adequately predict the size of the infarct in rats. Wistar rats were infarcted by left coronary ligation and then ECG, ECHO and histopathology were performed at 1, 7 and 28 days after surgery. Correlation between infarct size by histology and Q wave amplitude in lead L1 was only found when ECGs were performed one day post-surgery. Left ventricular diastolic and systolic dimensions correlated with infarct size by ECHO on day 7 post-infarction. On days 7 and 28 post-infarction, ejection indexes estimated by M-mode also correlated with infarct size. In summary we show that conventional ECG and ECHO methods can be used to estimate infarct size in rats. Our data suggest that the 7-day interval is actually the most accurate for estimation of infarct size by ECHO.
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Citado 2 vezes em SciELO
15.
Glacially striated, soft sediment surfaces on late Paleozoic tillite at São Luiz do Purunã, PR
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Trosdtorf Jr., Ivo
; Assine, Mario L.
; Vesely, Fernando F.
; Rocha-Campos, Antonio C.
; Santos, Paulo R. dos
; Tomio, Alexandre
.
Anais da Academia Brasileira de Ciências
- Métricas do periódico
Estrias e sulcos encontrados sobre três camadas decimétricas, estratigraficamente superpostas, de tilito de alojamento neopaleozóico do Subgrupo Itararé, na porção norte da Bacia do Paraná, foram formados por aração de clastos e, possivelmente, por protuberâncias de gelo, na base da geleira. Feições associadas indicam que a reologia do sedimento variou de rígido, durante o alojamento, a inconsolidado e deformável durante a aração. A baixa drenagem da água de degelo na interface geleira-substrato pode ter contribuído para reduzir a resistência do sedimento à deformação. A sucessão acima foi gerada provavelmente durante uma única fase glacial ou avanço de geleira sobre corpo de água marinho ou lacustre. Mudanças na dinâmica da geleira envolvendo fluxos lento e rápido corresponderam, respectivamente, a alternâncias entre deposição e erosão. O modelo proposto é análogo ao de complexos de till de alojamento do Pleistoceno do hemisfério do norte. O recuo da geleira foi provavelmente rápido, seguido pela deposição de lama acima da superfície estriada e sulcada superior, e progradação de ciclos de arenitos deltáicos durante a época pós-glacial.
Striae and furrows found on the upper surfaces of three stratigraphically superposed decimetric beds of late Paleozoic lodgement tillite of the Itararé Subgroup in the northern Paraná Basin were engraved by ploughing of clasts and possibly also ice protuberances at the base of the glacier, on unconsolidated to partially consolidated sediment. Associated features indicate that the rheology of the bed varied from stiff during lodgement to soft and deformable during ploughing. Poor drainage of meltwater at the glacier-bed interface may have contributed to lower the strength of sediment to deformation. The deformed interval was probably generated during a single glacial phase or advance of a glacier grounding in a marine or lacustrine water body. Changes in the dynamics of the glacier involving slow and fast flow were correlated respectively with alternation of deposition and erosion. The proposed model is analogous to that of lodgement till complexes from the Pleistocene of the northern hemisphere. Retreat of the glacier was probably fast, followed by settling of muds on top of the upper striated and furrowed surface, and progradation of deltaic sands during post-glacial time.
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