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Poly-ε-caprolactone based nanoparticles for delivery of genistein in melanoma treatment Polyεcaprolactone Poly ε caprolactone
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Abriata, Juliana Palma
; Luiz, Marcela Tavares
; Viegas, Juliana Santos Rosa
; Fumagalli, Fernando
; Melo, Shaiani Maria Gilde
; Emery, Flavio da Silva
; Marchetti, Juliana Maldonado
; Vicentini, Fabiana Testa Moura de Carvalho
.
Abstract We developed poly-ε-caprolactone (PCL)-based nanoparticles containing D-α-tocopherol polyethylene glycol-1000 succinate (TPGS) or Poloxamer 407 as stabilizers to efficiently encapsulate genistein (GN). Two formulations, referred to as PNTPGS and PNPol, were prepared using nanoprecipitation. They were characterized by size and PDI distribution, zeta potential, nanoparticle tracking analysis (NTA), GN association (AE%), infrared spectroscopy (FT-IR), and differential scanning calorimetry (DSC). PNTPGS-GN exhibited a particle size of 141.2 nm, a PDI of 0.189, a zeta potential of -32.9 mV, and an AE% of 77.95%. PNPol-GN had a size of 146.3 nm, a better PDI than PNTPGS-GN (0.150), a less negative zeta potential (-21.0 mV), and an AE% of 68.73%. Thermal and spectrometric analyses indicated that no new compounds were formed, and there was no incompatibility detected in the formulations. Cellular studies revealed that Poloxamer 407 conferred less toxicity to PCL nanoparticles. However, the percentage of uptake decreased compared to the use of TPGS, which exhibited almost 80% cellular uptake. This study contributes to the investigation of stabilizers capable of conferring stability to PCL nanoparticles efficiently encapsulating GN. Thus, the PCL nanoparticle proposed here is an innovative nanomedicine for melanoma therapy and represents a strong candidate for specific pre-clinical and in vivo studies. polyεcaprolactone poly ε caprolactone PCLbased based Dαtocopherol D α tocopherol glycol1000 glycol 1000 glycol-100 TPGS (TPGS 40 . (GN) formulations PNPol nanoprecipitation distribution NTA, NTA , (NTA) AE%, AE (AE%) FTIR, FTIR FT IR (FT-IR) DSC. DSC (DSC) PNTPGSGN 1412 141 2 141. nm 0189 0 189 0.189 32.9 329 32 9 -32. mV 7795 77 95 77.95% PNPolGN 1463 146 3 146. 0.150, 0150 0.150 150 (0.150) 21.0 210 21 (-21. mV) 6873 68 73 68.73% formed However 80 Thus preclinical pre clinical glycol100 100 glycol-10 4 (GN (NTA (AE% (FT-IR (DSC 14 018 18 0.18 32. -32 779 7 77.95 015 0.15 15 (0.150 21. (-21 687 6 68.73 8 glycol10 10 glycol-1 (AE 1 01 0.1 -3 77.9 (0.15 (-2 68.7 glycol1 glycol- 0. - 77. (0.1 (- 68. (0. ( (0
2.
The respiratory oxygenation index for identifying the risk of orotracheal intubation in COVID-19 patients receiving high-flow nasal cannula oxygen COVID19 COVID 19 COVID-1 highflow high flow COVID1 1 COVID-
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Pereira, Aline Braz
; Pizzol, Felipe Dal
; Veiga, Viviane Cordeiro
; Taniguchi, Leandro Utino
; Misquita, Aline Finoti
; Carvalho, Gustavo Augusto Couto
; Silva, Ligia Maria Coscrato Junqueira
; Dadam, Michelli Marcela
; Fernandes, Ruthy Perotto
; Maia, Israel Silva
; Zandonai, Cassio Luis
; Cavalcanti, Alexandre Biasi
; Romano, Marcelo Luz Pereira
; Westphal, Glauco Adrieno
.
RESUMO Objetivo: Avaliar se o índice de oxigenação respiratória medido após o início da terapia de oxigênio com cânula nasal de alto fluxo pode ajudar a identificar a necessidade de intubação em pacientes com insuficiência respiratória aguda devido à COVID-19. Métodos: Este estudo retrospectivo, observacional e multicêntrico foi realizado nas unidades de terapia intensiva de seis hospitais brasileiros, de março a dezembro de 2020. O desfecho primário foi a necessidade de intubação até 7 dias após o início da cânula nasal de alto fluxo. Resultados: O estudo incluiu 444 pacientes; 261 (58,7%) foram submetidos à intubação. Uma análise da área sob a curva receiver operating characteristic (ASC ROC) mostrou que a capacidade de discriminar entre o sucesso e o fracasso da oxigenoterapia com cânula nasal de alto fluxo dentro de 7 dias foi maior para o índice de oxigenação respiratória medido em 24 horas (ASC ROC 0,80; IC95% 0,76 - 0,84). O intervalo médio entre o início da cânula nasal de alto fluxo e a intubação foi de 24 horas (24 - 72), e o preditor mais preciso de intubação obtido antes de 24 horas foi o índice de oxigenação respiratória medido em 12 horas (ASC ROC 0,75; IC95% 0,70 - 0,79). As curvas de Kaplan-Meier revelaram maior probabilidade de intubação em 7 dias em pacientes com índice de oxigenação respiratória ≤ 5,54 em 12 horas (razão de risco 3,07; IC95% 2,24 - 4,20) e ≤ 5,96 em 24 horas (razão de risco 5,15; IC95% 3,65 - 7,27). Conclusões: O índice de oxigenação respiratória pode ajudar na identificação precoce de pacientes com insuficiência respiratória aguda devido à COVID-19 que evoluirão para o fracasso da terapia de suporte com cânula nasal de alto fluxo e a necessidade de intubação. Objetivo COVID19. COVID19 COVID 19. 19 Métodos retrospectivo brasileiros 2020 Resultados 44 26 58,7% 587 58 (58,7% ASC 2 0,80 080 0 80 IC95 IC 076 76 0,7 0,84. 084 0,84 . 84 0,84) (2 72, 72 , 72) 1 0,75 075 75 070 70 0,79. 079 0,79 79 0,79) KaplanMeier Kaplan Meier 554 5 54 5,5 razão 3,07 307 3 07 224 2,2 4,20 420 4 20 596 96 5,9 5,15 515 15 365 65 3,6 7,27. 727 7,27 27 7,27) Conclusões COVID-1 COVID1 202 58,7 (58,7 0,8 08 8 IC9 0, ( 55 5, 3,0 30 22 2, 4,2 42 59 9 5,1 51 36 6 3, 7,2 COVID- 58, (58, 4, 7, (58 (5
ABSTRACT Objective: To assess whether the respiratory oxygenation index (ROX index) measured after the start of high-flow nasal cannula oxygen therapy can help identify the need for intubation in patients with acute respiratory failure due to coronavirus disease 2019. Methods: This retrospective, observational, multicenter study was conducted at the intensive care units of six Brazilian hospitals from March to December 2020. The primary outcome was the need for intubation up to 7 days after starting the high-flow nasal cannula. Results: A total of 444 patients were included in the study, and 261 (58.7%) were subjected to intubation. An analysis of the area under the receiver operating characteristic curve (AUROC) showed that the ability to discriminate between successful and failed high-flow nasal cannula oxygen therapy within 7 days was greater for the ROX index measured at 24 hours (AUROC 0.80; 95%CI 0.76 - 0.84). The median interval between high-flow nasal cannula initiation and intubation was 24 hours (24 - 72), and the most accurate predictor of intubation obtained before 24 hours was the ROX index measured at 12 hours (AUROC 0.75; 95%CI 0.70 - 0.79). Kaplan-Meier curves revealed a greater probability of intubation within 7 days in patients with a ROX index ≤ 5.54 at 12 hours (hazard ratio 3.07; 95%CI 2.24 - 4.20) and ≤ 5.96 at 24 hours (hazard ratio 5.15; 95%CI 3.65 - 7.27). Conclusion: The ROX index can aid in the early identification of patients with acute respiratory failure due to COVID-19 who will progress to the failure of high-flow nasal cannula supportive therapy and the need for intubation. Objective highflow high flow 2019 Methods retrospective observational 2020 Results 44 26 58.7% 587 58 (58.7% AUROC 2 0.80 080 0 80 95CI CI 95 076 76 0.7 0.84. 084 0.84 . 84 0.84) (2 72, 72 , 72) 1 0.75 075 75 070 70 0.79. 079 0.79 79 0.79) KaplanMeier Kaplan Meier 554 5 54 5.5 hazard 3.07 307 3 07 224 2.2 4.20 420 4 20 596 96 5.9 5.15 515 15 365 65 3.6 7.27. 727 7.27 27 7.27) Conclusion COVID19 COVID 19 COVID-1 201 202 58.7 (58.7 0.8 08 8 9 0. ( 55 5. 3.0 30 22 2. 4.2 42 59 5.1 51 36 6 3. 7.2 COVID1 COVID- 58. (58. 4. 7. (58 (5
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.
Pediatric inflammatory multisystemic syndrome in Brazil: sociodemographic characteristics and risk factors to death Brazil
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Barros, Laura Abi Faiçal
; Oliveira, Vinicius da Silva
; Morais, Walison José de
; Dias, Lara Araújo
; Almeida, Julia Português
; Soares, Marcela Batista
; Aquino, Erika Carvalho de
; Pinto, Renata Machado
.
Abstract Objective: To determine the incidence of MIS-C in Brazil, describe the clinical and sociodemographic characteristics of the pediatric population affected by MIS-C and compare mortality and lethality outcomes with isolated Covid-19 and MIS-C cases. Methods: Observational and retrospective cohort study of cases of MIS-C associated with Covid-19 in the Brazilian population between 04/01/2020 and 04/17/2021. Data from the Ministry of Health's epidemiological bulletin up to the 15th epidemiological week of 2021, were used. The analyzes were descriptive through absolute and relative frequencies. The significance level is 5% in Stata 16.0 package. Results: Between 04/01/2020 and 04/07/2021, 903 cases of MIS-C associated with Covid-19 were notified in Brazil, of which, the largest part (55.26%) were male, between 0 and 4 years old (45.29%), from the Southeast region (38.76%). The deaths (61; 6.7%) were higher in the female gender, between 0 and 4 years old (47.54%) and in the Southeast region (34.43%). It was identified that the risk of death by MIS-C related to Covid-19 is 5.29 (CI = 2.83; 9.87 and P-value = <0.001) times higher in adolescents from 15-19 years old than in other age groups when compared to 0-4 years old children. Also, the residency in North region was as risk factor to death (RR = 3.72, IC = 1.29; 10.74 e P-value = 0.008). Conclusion: In this study, despite the numbers showing more deaths from zero to 4 years old, the risk for teenagers is notably higher. In addition, Brazil's Northern region is a risk factor that reaffirms social inequality and poor access to health. Objective MISC MIS C Brazil Covid19 Covid 19 Covid-1 Methods 04012020 04 01 2020 04/01/202 04172021 17 2021 04/17/2021 Healths Health s th used frequencies 5 160 16 16. package Results 04072021 07 04/07/2021 90 which 55.26% 5526 55 26 (55.26% male 45.29%, 4529 45.29% , 45 29 (45.29%) 38.76%. 3876 38.76% . 38 76 (38.76%) 61 (61 6.7% 67 6 7 gender 47.54% 4754 47 54 (47.54% 34.43%. 3443 34.43% 34 43 (34.43%) 529 5.2 CI 2.83 283 2 83 987 9 87 9.8 Pvalue P value <0.001 0001 001 1519 15 15-1 0- children Also RR 372 3 72 3.72 1.29 129 1 1074 10 74 10.7 0.008. 0008 0.008 008 0.008) Conclusion addition Brazils health Covid1 Covid- 0401202 202 04/01/20 0417202 04/17/202 0407202 04/07/202 55.26 552 (55.26 452 45.29 (45.29% 387 38.76 (38.76% (6 6.7 47.54 475 (47.54 344 34.43 (34.43% 52 5. 2.8 28 8 98 9. <0.00 000 00 151 15- 37 3.7 1.2 12 107 10. 0.00 040120 20 04/01/2 041720 04/17/20 040720 04/07/20 55.2 (55.2 45.2 (45.29 38.7 (38.76 ( 6. 47.5 (47.5 34.4 (34.43 2. <0.0 3. 1. 0.0 04012 04/01/ 04172 04/17/2 04072 04/07/2 55. (55. 45. (45.2 38. (38.7 47. (47. 34. (34.4 <0. 0. 0401 04/01 0417 04/17/ 0407 04/07/ (55 (45. (38. (47 (34. <0 040 04/0 041 04/17 04/07 (5 (45 (38 (4 (34 < 04/ 04/1 (3
5.
Clinical characteristics and outcomes of patients with COVID-19 admitted to the intensive care unit during the first and second waves of the pandemic in Brazil: a single-center retrospective cohort study COVID19 COVID 19 COVID-1 Brazil singlecenter single center COVID1 1 COVID-
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Corrêa, Thiago Domingos
; Midega, Thais Dias
; Cordioli, Ricardo Luiz
; Barbas, Carmen Silvia Valente
; Rabello Filho, Roberto
; Silva, Bruno Caldin da
; Silva Júnior, Moacyr
; Nawa, Ricardo Kenji
; Carvalho, Fabrício Rodrigues Torres de
; Matos, Gustavo Faissol Janot de
; Lucinio, Neide Marcela
; Rodrigues, Rodrigo Dias
; Eid, Raquel Afonso Caserta
; Bravim, Bruno de Arruda
; Pereira, Adriano José
; Santos, Bento Fortunato Cardoso dos
; Pinho, João Renato Rebello
; Pardini, Andreia
; Teich, Vanessa Damazio
; Laselva, Claudia Regina
; Cendoroglo Neto, Miguel
; Klajner, Sidney
; Ferraz, Leonardo José Rolim
.
ABSTRACT Objective To describe and compare the clinical characteristics and outcomes of patients admitted to intensive care units during the first and second waves of the COVID-19 pandemic. Methods In this retrospective single-center cohort study, data were retrieved from the Epimed Monitor System; all adult patients admitted to the intensive care unit between March 4, 2020, and October 1, 2021, were included in the study. We compared the clinical characteristics and outcomes of patients admitted to the intensive care unit of a quaternary private hospital in São Paulo, Brazil, during the first (May 1, 2020, to August 31, 2020) and second (March 1, 2021, to June 30, 2021) waves of the COVID-19 pandemic. Results In total, 1,427 patients with COVID-19 were admitted to the intensive care unit during the first (421 patients) and second (1,006 patients) waves. Compared with the first wave group [median (IQR)], the second wave group was younger [57 (46-70) versus 67 (52-80) years; p<0.001], had a lower SAPS 3 Score [45 (42-52) versus 49 (43-57); p<0.001], lower SOFA Score on intensive care unit admission [3 (1-6) versus 4 (2-6); p=0.018], lower Charlson Comorbidity Index [0 (0-1) versus 1 (0-2); p<0.001], and were less frequently frail (10.4% versus 18.1%; p<0.001). The second wave group used more noninvasive ventilation (81.3% versus 53.4%; p<0.001) and high-flow nasal cannula (63.2% versus 23.0%; p<0.001) during their intensive care unit stay. The intensive care unit (11.3% versus 10.5%; p=0.696) and in-hospital mortality (12.3% versus 12.1%; p=0.998) rates did not differ between both waves. Conclusion In the first and second waves, patients with severe COVID-19 exhibited similar mortality rates and need for invasive organ support, despite the second wave group being younger and less severely ill at the time of intensive care unit admission. COVID19 COVID 19 COVID-1 pandemic singlecenter single center study System 2020 2021 Paulo Brazil May 31 30 total 1427 427 1,42 421 (42 1,006 1006 006 (1,00 median IQR, IQR , (IQR)] 57 [5 4670 46 70 (46-70 6 5280 52 80 (52-80 years p<0.001, p0001 p p<0.001 0 001 p<0.001] 45 [4 4252 42 (42-52 4357 43 (43-57) [ 16 (1-6 26 2 (2-6) p=0.018, p0018 p=0.018 018 p=0.018] 01 (0-1 02 (0-2) 10.4% 104 10 (10.4 18.1% 181 18 p<0.001. . 81.3% 813 81 (81.3 53.4% 534 53 highflow high flow 63.2% 632 63 (63.2 23.0% 230 23 stay 11.3% 113 11 (11.3 10.5% 105 5 p=0.696 p0696 696 inhospital 12.3% 123 12 (12.3 12.1% 121 p=0.998 p0998 998 support COVID1 COVID- 202 142 1,4 (4 1,00 100 00 (1,0 (IQR) 467 7 (46-7 528 8 (52-8 p000 p<0.00 425 (42-5 435 (43-57 (1- (2-6 p001 p=0.01 (0- (0-2 10.4 (10. 18.1 81.3 (81. 53.4 63.2 (63. 23.0 11.3 (11. 10.5 p=0.69 p069 69 12.3 (12. 12.1 p=0.99 p099 99 20 14 ( 1,0 (1, (IQR (46- (52- p00 p<0.0 (42- (43-5 (1 (2- p=0.0 (0 10. (10 18. 81. (81 53. 63. (63 23. 11. (11 p=0.6 p06 12. (12 p=0.9 p09 9 (46 (52 p0 p<0. (43- (2 p=0. (8 (6 (5 p<0 (43 p=0 p< p=
6.
Percepções sobre imagem corporal na formação superior: com a palavra, graduandos de educação física superior palavra
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Almeida, Vitor Alexandre Rabelo de
; Neves, Clara Mockdece
; Castro, Marcela Rodrigues de
; Silva, Ravine Carvalho Pessanha Coelho da
; Quintanilha, Augusta Karla Silva
; Dantas, Marcela da Silva Vieira
; Morgado, Fabiane Frota da Rocha
.
Abstract Body image is defined as the mental representation of the body itself. Although there are studies that evaluated the body image of the population of university students in the physical education course, few sought to understand how it conceptualizes this construct. This research aimed to understand the perceptions about body image of a group of graduating students completing the degree course in physical education at a public university in Rio de Janeiro, focusing on how they construct and problematize the concept of body image and its applications in basic education. . This is a qualitative, descriptive and cross-sectional study, in which 31 university students, with a mean age of 24.6 years (SD=±3.4 years), participated in online focus groups and answered a sociodemographic questionnaire to the data collection. The sessions were recorded and transcribed for data analysis, and categorical content analysis by collection was used. Five categories emerged after the content analysis: (1) definitions and concepts about body image, (2) knowledge about when body image starts and when it stops, (3) influencing aspects of body image, (4) difference between body image body of men and women and (5) body image, formation and performance in basic education. It could be concluded that the participants understand body image based on a limited perspective, little based on the literature and based on their experiences, which can impact their future professional performance. itself Janeiro qualitative crosssectional cross sectional study 3 246 24 6 24. SD=±3.4 SD34 SD 4 (SD=±3. years, , years) used 1 (1 2 (2 stops (3 (4 5 (5 perspective experiences SD=±3. SD3 (SD=±3 ( SD=±3 (SD=± SD=± (SD= SD= (SD
Resumo Imagem corporal é definida como a representação mental do próprio corpo. Apesar de haver estudos que avaliaram a imagem corporal da população de universitários do curso de educação física, poucos buscaram entender como esta população conceitua esse construto. Esta pesquisa objetivou compreender as percepções sobre imagem corporal de um grupo de graduandos concluintes do curso de licenciatura em educação física de uma universidade pública do Rio de Janeiro, com enfoque em como eles constroem e problematizam o conceito de imagem corporal e suas aplicações na educação básica. Trata-se de uma pesquisa qualitativa, descritiva e transversal, na qual 31 universitários, com média de idade de 24,6 anos (DP=±3,4 anos), participaram de grupos focais on-line e responderam a um questionário sociodemográfico para a coleta de dados. As sessões foram gravadas e transcritas, outrossim, para análise de dados, foi utilizada a análise de conteúdo categorial por acervo. Cinco categorias despontaram após a análise de conteúdo: (1) definições e conceitos sobre imagem corporal, (2) conhecimentos sobre quando se inicia e quando cessa a imagem corporal, (3) aspectos influenciadores da imagem corporal, (4) diferença entre a imagem corporal de homens e mulheres e (5) imagem corporal, formação e atuação na educação básica. Pôde-se concluir que os participantes compreendem a imagem corporal apoiados em uma perspectiva limitada, pouco pautada na literatura e baseada em suas vivências, o que pode impactar sua futura atuação profissional. corpo construto Janeiro básica Tratase Trata qualitativa transversal 3 246 24 6 24, DP=±3,4 DP34 DP 4 (DP=±3, anos, , anos) online on line dados transcritas outrossim acervo 1 (1 2 (2 (3 (4 5 (5 Pôdese Pôde limitada vivências profissional DP=±3, DP3 (DP=±3 ( DP=±3 (DP=± DP=± (DP= DP= (DP
7.
Dados de Vida Real sobre o Uso da Hidroxicloroquina ou da Cloroquina Combinadas ou Não à Azitromicina em Pacientes com Covid-19: Uma Análise Retrospectiva no Brasil Covid19 Covid 19 Covid-19 Covid1 1 Covid-1 Covid-
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Souza-Silva, Maíra Viana Rego
; Pereira, Daniella Nunes
; Pires, Magda Carvalho
; Vasconcelos, Isabela Muzzi
; Schwarzbold, Alexandre Vargas
; Vasconcelos, Diego Henrique de
; Pereira, Elayne Crestani
; Manenti, Euler Roberto Fernandes
; Costa, Felício Roberto
; Aguiar, Filipe Carrilho de
; Anschau, Fernando
; Bartolazzi, Frederico
; Nascimento, Guilherme Fagundes
; Vianna, Heloisa Reniers
; Batista, Joanna d’Arc Lyra
; Machado-Rugolo, Juliana
; Ruschel, Karen Brasil
; Ferreira, Maria Angélica Pires
; Oliveira, Leonardo Seixas de
; Menezes, Luanna Silva Monteiro
; Ziegelmann, Patricia Klarmann
; Tofani, Marcela Gonçalves Trindade
; Bicalho, Maria Aparecida Camargos
; Nogueira, Matheus Carvalho Alves
; Guimarães-Júnior, Milton Henriques
; Aguiar, Rúbia Laura Oliveira
; Rios, Danyelle Romana Alves
; Polanczyk, Carisi Anne
; Marcolino, Milena Soriano
.
Abstract Background Despite no evidence showing benefits of hydroxychloroquine and chloroquine with or without azithromycin for COVID-19 treatment, these medications have been largely prescribed in Brazil. Objectives To assess outcomes, including in-hospital mortality, electrocardiographic abnormalities, hospital length-of-stay, admission to the intensive care unit, and need for dialysis and mechanical ventilation, in hospitalized COVID-19 patients who received chloroquine or hydroxychloroquine, and to compare outcomes between those patients and their matched controls. Methods A retrospective multicenter cohort study that included consecutive laboratory-confirmed COVID-19 patients from 37 Brazilian hospitals from March to September 2020. Propensity score was used to select matching controls by age, sex, cardiovascular comorbidities, and in-hospital use of corticosteroid. A p-value <0.05 was considered statistically significant. Results From 7,850 COVID-19 patients, 673 (8.6%) received hydroxychloroquine and 67 (0.9%) chloroquine. The median age in the study group was 60 years (46 - 71) and 59.1% were women. During hospitalization, 3.2% of patients presented side effects and 2.2% required therapy discontinuation. Electrocardiographic abnormalities were more prevalent in the chloroquine/hydroxychloroquine group (13.2% vs. 8.2%, p=0.01), and the long corrected QT interval was the main difference (3.6% vs. 0.4%, p<0.001). The median hospital length of stay was longer in the HCQ/CQ + AZT group than in controls (9.0 [5.0, 18.0] vs. 8.0 [4.0, 14.0] days). There was no statistical differences between groups in intensive care unit admission (35.1% vs. 32.0%; p=0.282), invasive mechanical ventilation support (27.0% vs. 22.3%; p=0.074) or mortality (18.9% vs. 18.0%; p=0.682). Conclusion COVID-19 patients treated with chloroquine or hydroxychloroquine had a longer hospital length of stay, when compared to matched controls. Intensive care unit admission, invasive mechanical ventilation, dialysis and in-hospital mortality were similar. COVID19 COVID 19 COVID-1 treatment Brazil inhospital lengthofstay, lengthofstay length-of-stay laboratoryconfirmed laboratory confirmed 3 2020 sex comorbidities corticosteroid pvalue p value 005 0 05 <0.0 significant 7850 7 850 7,85 8.6% 86 8 6 (8.6% 0.9% 09 9 (0.9% 46 (4 71 591 59 1 59.1 women hospitalization 32 2 3.2 22 2.2 discontinuation chloroquinehydroxychloroquine 13.2% 132 13 (13.2 vs 82 8.2% p=0.01, p001 p=0.01 , 01 p=0.01) 3.6% 36 (3.6 04 4 0.4% p<0.001. p0001 p<0.001 . 001 p<0.001) HCQCQ HCQ CQ 9.0 90 (9. 5.0, 50 5 [5.0 18.0 180 18 80 8. 4.0, 40 [4.0 14.0 140 14 days. days days) 35.1% 351 35 (35.1 32.0% 320 p=0.282, p0282 p=0.282 282 p=0.282) 27.0% 270 27 (27.0 22.3% 223 p=0.074 p0074 074 18.9% 189 (18.9 18.0% p=0.682. p0682 p=0.682 682 p=0.682) similar COVID1 COVID- 202 00 <0. 785 85 7,8 8.6 (8.6 0.9 (0.9 ( 59. 3. 2. 13.2 (13. 8.2 p00 p=0.0 3.6 (3. 0.4 p000 p<0.00 9. (9 5.0 [5. 18. 4.0 [4. 14. 35.1 (35. 32.0 p028 p=0.28 28 27.0 (27. 22.3 p=0.07 p007 07 18.9 (18. p068 p=0.68 68 20 <0 78 7, (8. 0. (0. 13. (13 p0 p=0. (3 p<0.0 5. [5 4. [4 35. (35 32. p02 p=0.2 27. (27 22. (18 p06 p=0.6 < (8 (0 (1 p=0 p<0. [ (2 p= p<0 p<
Resumo Fundamento Apesar da ausência de evidência mostrando benefícios da hidroxicloroquina e da cloroquina combinadas ou não à azitromicina no tratamento da covid-19, esses medicamentos têm sido amplamente prescritos no Brasil. Objetivos Avaliar desfechos, incluindo moralidade hospitalar, alterações eletrocardiográficas, tempo de internação, admissão na unidade de terapia intensiva, e necessidade de diálise e de ventilação mecânica em pacientes hospitalizados com covid-19 que receberam cloroquina ou hidroxicloroquina, e comparar os desfechos entre aqueles pacientes e seus controles pareados. Métodos Estudo multicêntrico retrospectivo do tipo coorte que incluiu pacientes com diagnóstico laboratorial de covid-19 de 37 hospitais no Brasil de março a setembro de 2020. Escore de propensão foi usado para selecionar controles pareados quanto a idade, sexo, comorbidades cardiovasculares, e uso de corticosteroides durante a internação. Um valor de p<0,05 foi considerado estatisticamente significativo. Resultados Dos 7850 pacientes com covid-19, 673 (8,6%) receberam hidroxicloroquina e 67 (0,9%) cloroquina. A idade mediana no grupo de estudo foi 60 (46-71) anos e 59,1% eram mulheres. Durante a internação, 3,2% dos pacientes apresentaram efeitos adversos e 2,2% necessitaram de interromper o tratamento. Alterações eletrocardiográficas foram mais prevalentes no grupo hidroxicloroquina/cloroquina (13,2% vs. 8,2%, p=0,01), e o prolongamento do intervalo QT corrigido foi a principal diferença (3,6% vs. 0,4%, p<0,001). O tempo mediano de internação hospitalar foi maior no grupo usando CQ/HCQ em relação aos controles (9,0 [5,0-18,0] vs. 8,0 [4,0-14,0] dias). Não houve diferenças estatisticamente significativas entre os grupos quanto a admissão na unidade de terapia intensiva (35,1% vs. 32,0%; p=0,282), ventilação mecânica invasiva (27,0% vs. 22,3%; p=0,074) ou mortalidade (18,9% vs. 18,0%; p=0,682). Conclusão Pacientes com covid-19 tratados com cloroquina ou hidroxicloroquina apresentaram maior tempo de internação hospitalar, em comparação aos controles. Não houve diferença em relação a admissão em unidade de terapia intensiva, necessidade de ventilação mecânica e mortalidade hospitalar. covid19, covid19 covid 19, 19 covid-1 3 2020 sexo cardiovasculares p005 p 0 05 p<0,0 significativo 785 8,6% 86 8 6 (8,6% 0,9% 09 9 (0,9% 4671 46 71 (46-71 591 59 1 59,1 mulheres 32 2 3,2 22 2,2 hidroxicloroquinacloroquina 13,2% 132 13 (13,2 vs 82 8,2% p=0,01, p001 p=0,01 , 01 p=0,01) 3,6% 36 (3,6 04 4 0,4% p<0,001. p0001 p<0,001 . 001 p<0,001) CQHCQ CQ HCQ 9,0 90 (9, 5,018,0 50180 5,0 18,0 5 18 [5,0-18,0 80 8, 4,014,0 40140 4,0 14,0 14 [4,0-14,0 dias. dias dias) 35,1% 351 35 (35,1 32,0% 320 p=0,282, p0282 p=0,282 282 p=0,282) 27,0% 270 27 (27,0 22,3% 223 p=0,074 p0074 074 18,9% 189 (18,9 18,0% 180 p=0,682. p0682 p=0,682 682 p=0,682) covid1 covid- 202 p00 p<0, 78 8,6 (8,6 0,9 (0,9 467 7 (46-7 59, 3, 2, 13,2 (13, 8,2 p=0,0 3,6 (3, 0,4 p000 p<0,00 00 9, (9 018 5,018, 5018 50 5, 18, [5,0-18, 014 4,014, 4014 40 4, 140 14, [4,0-14, 35,1 (35, 32,0 p028 p=0,28 28 27,0 (27, 22,3 p=0,07 p007 07 18,9 (18, p068 p=0,68 68 20 p0 p<0 (8, 0, (0, (46- 13, (13 p=0, (3 ( 5,018 501 [5,0-18 4,014 401 [4,0-14 35, (35 32, p02 p=0,2 27, (27 22, (18 p06 p=0,6 p< (8 (0 (46 (1 p=0 5,01 [5,0-1 4,01 [4,0-1 (2 (4 p= [5,0- [4,0- [5,0 [4,0 [5, [4, [5 [4 [
8.
Histomorphological and immunophenotypic diagnoses of gastrointestinal stromal tumors and other sarcomas that affect the intestine of dogs
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Costa, Marina Laudares
; Sueiro, Felipe Augusto Ruiz
; Jark, Paulo César
; Carvalho, Leonardo Lamarca de
; Rodrigues, Marcela Aldrovani
; Almeida, Vinícius Thomaz da Silva
; Dias, Fernanda Gosuen Gonçalves
.
Abstract In view of the morphological similarity between gastrointestinal stromal tumors (GIST) and other sarcomas of the intestine of dogs, the aim was to carry out the histomorphological and immunohistochemical diagnosis of these tumors, associating breed, sex and age, location and tumor invasion. 217 cases were evaluated by histopathology and 36 diagnosed by immunohistochemistry were included (24 GIST and 12 other intestinal sarcomas). Mixed breed dogs were the most diagnosed with GIST, mainly elderly females (9.5±2.2 years); in the other intestinal sarcomas, crossbreeds and Dachshunds, males and females, were equally affected. The cecum was the most affected by GISTs, with tumor invasion of the intestinal layers in all cases. The small intestine was the most affected by the other intestinal sarcomas, with invasion of the layers in most of these tumors. GISTs expressed markers such as CD117 and DOG-1, unlike other intestinal sarcomas. GIST and other intestinal sarcomas denoted histomorphological and immunophenotypic characteristics similar to histopathology, justifying the association of immunohistochemistry for the definitive diagnosis. (GIST age 21 3 24 (2 1 . sarcomas) 9.5±2.2 9522 9 5 2 (9.5±2. years years) Dachshunds CD CD11 DOG1, DOG1 DOG 1, DOG-1 ( 9.5±2. 952 (9.5±2 CD1 DOG- 9.5±2 95 (9.5± 9.5± (9.5 9.5 (9. 9. (9
Resumo Tendo em vista a semelhança morfológica entre tumores estromais gastrointestinais (GIST) e outros sarcomas do intestino de cães, objetivou-se realizar o diagnóstico histomorfológico e imunoistoquímico desses tumores, associando raça, sexo e idade, localização e invasão tumoral. Foram avaliados 217 casos por histopatologia e incluídos 36 diagnosticados por imuno-histoquímica (24 GIST e 12 outros sarcomas intestinais). Cães sem raça definida foram os mais diagnosticados com GIST, principalmente fêmeas idosas (9,5±2,2 anos); nos demais sarcomas intestinais, mestiços e Dachshunds, machos e fêmeas, foram igualmente acometidos. O ceco foi o mais acometido pelos GISTs, com invasão tumoral das camadas intestinais em todos os casos. O intestino delgado foi o mais acometido pelos demais sarcomas intestinais, com invasão das camadas na maioria desses tumores. GISTs expressaram marcadores como CD117 e DOG-1, ao contrário de outros sarcomas intestinais. O GIST e outros sarcomas intestinais denotaram características histomorfológicas e imunofenotípicas semelhantes à histopatologia, justificando a associação da imuno-histoquímica para o diagnóstico definitivo. (GIST cães objetivouse objetivou se idade 21 3 imunohistoquímica imuno histoquímica 24 (2 1 . intestinais) 9,5±2,2 9522 9 5 2 (9,5±2, anos anos) Dachshunds acometidos CD CD11 DOG1, DOG1 DOG 1, DOG-1 definitivo ( 9,5±2, 952 (9,5±2 CD1 DOG- 9,5±2 95 (9,5± 9,5± (9,5 9,5 (9, 9, (9
9.
Physico-chemical characteristics of the oil from macauba kernels stored after drying at different temperatures
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Carvalho, Marcela Silva
; Corrêa, Paulo Cesar
; Silva, Gutierres Nelson
; Sousa, Adalberto Hipólito de
; Lopes, Lucas Martins
.
RESUMO Investigações sobre as etapas de armazenamento e secagem na pós-colheita de frutos de macaúba (Acrocomia aculeata (Jacq.) Lodd. Mart) ainda são incipientes. Desta forma, objetivou-se estudar o efeito da secagem na qualidade do óleo de amêndoas de macaúba durante o armazenamento. A secagem foi realizada em três condições de ar: 40; 50 e 60 ºC. Foram utilizadas quatro repetições para cada temperatura. Após a secagem, as amêndoas foram armazenadas durante 0; 60; 120; 240 e 360 dias, e em cada período, foram realizadas as seguintes análises físico-químicas: teor de óleo da amêndoa; índice de acidez; estabilidade oxidativa; atividade de água e cor do óleo. O aumento no período de armazenamento ocasionou elevação no índice de acidez e redução na estabilidade oxidativa do óleo para todos os tratamentos. Os valores médios de atividade de água no óleo variaram de 0.56 - 0.68. Os valores médios das coordenadas L* e b*, não diferiram do controle, com exceção dos períodos de armazenamento de 0 e 60 dias. Com relação à coordenada a*, houve diferença entre os processos de secagem, quando comparados ao controle. Não foram observadas diferenças significativas para o teor de óleo. Conclui-se que a secagem pode ser tornar ferramenta eficiente no controle da qualidade do óleo de amêndoa ao longo do armazenamento.
ABSTRACT Studies of post-harvest storage and drying in macauba fruit (Acrocomia aculeata (Jacq.) Lodd. Mart) are still in the early stages. The aim of this work was to investigate the effect of drying on the quality of macauba kernel oil during storage. Drying was carried out under three different air temperatures: 40°C, 50°C and 60°C. Four replications were used for each temperature. After drying, the kernels were stored for 0, 60, 120, 240 and 360 days, and the following physico-chemical analyses were carried out for each period: kernel oil content, acidity index, oxidative stability, water activity and oil colour. An increase in storage time resulted in an increase in the acidity index and a reduction in the oxidative stability of the oil in all treatments. The mean value for water activity in the oil ranged from 0.56 to 0.68. The mean values of the L* and b* coordinates did not differ from the control, except for the storage times of 0 and 60 days. There was a difference in the a* coordinate between the drying processes when compared to the control. No significant differences were seen for oil content. It was concluded that drying can be efficient tool in controlling the quality of kernel oil during storage.
10.
KINETICS AND MATHEMATICAL MODELING OF THE DRYING PROCESS OF MACAÚBA ALMONDS
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CARVALHO, MARCELA SILVA
; CORRÊA, PAULO CESAR
; SILVA, GUTIERRES NELSON
; LOPES, LUCAS MARTINS
; SOUSA, ADALBERTO HIPÓLITO DE
.
RESUMO O estudo da cinética de secagem é fundamental para a correta escolha do tempo e da temperatura utilizadas no processo. Além disso, a modelagem matemática possibilita a simulação, a otimização, o dimensionamento e a determinação da aplicação comercial do sistema de secagem. Diante do exposto, objetivou-se investigar a cinética e a modelagem matemática da secagem de amêndoas de macaúba [Acrocomia aculeata (Jacq.) Lodd. ex Mart] em diferentes temperaturas. A secagem foi realizada em três temperaturas: 40 °C, 50 °C, e 60 °C. Foram utilizadas quatro repetições para cada temperatura. Os dados experimentais se ajustaram em nove diferentes modelos matemáticos. A escolha do melhor modelo baseou-se nos seguintes parâmetros estatísticos: magnitude do coeficiente de determinação ajustado, magnitude do erro médio relativo e erro padrão da estimativa. O incremento da temperatura de secagem resultou na redução no tempo de secagem. O menor tempo de secagem foi observado no tratamento com temperatura de 60 °C, onde as amêndoas desse tratamento atingiram o teor de água de equilíbrio em 34,08 h. Já o maior tempo de secagem foi observado no tratamento 40 °C, com as amêndoas atingindo a umidade de equilíbrio em 404,40 h. Os modelos de Aproximação de Difusão, Midilli, Page e Page Modificado foram os mais adequados para descrever o fenômeno de secagem de amêndoas de macaúba, e subsidiar o dimensionamento de secadores industriais.
ABSTRACT The study of drying kinetics is fundamental for making the correct choice of time and temperature to be used in the drying process. In addition, mathematical modeling enables the simulation, optimization, sizing, and determination of the commercial application of the drying system. Therefore, the objective of this study was to investigate the kinetics and mathematical modeling of the drying process of macaúba almond [Acrocomia aculeata (Jacq.) Lodd. ex Mart] performed at different temperatures. For this purpose, the drying was performed under three different temperatures: 40 °C, 50 °C, and 60 °C. Four repetitions were performed for each temperature. The experimental data were fitted by nine different mathematical models. The choice of the best model was based on the following statistical parameters: magnitude of the adjusted coefficient of determination, magnitude of the mean relative error, and standard error of the estimate. It was observed that an increase in the drying temperature resulted in a reduction of drying time. The shortest drying time was observed in the treatment performed under 60 °C in which the almonds attained equilibrium moisture content at 34.08 h. The longest drying time was observed in the treatment performed under 40 °C, with the almonds attaining equilibrium moisture content at 404.40 h. Approximation of Diffusion, Midilli, Page, and Modified Page were the models that best described the drying process of macaúba almonds with the aim of subsidizing the design of industrial dryers.
11.
Tetrazolium test to assess the viability of kale seeds
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Sales, Thais Silva
; Andrade Júnior, Valter Carvalho de
; Azevedo, Alcinei Mistico
; Santos, Marcelo Augusto Vieira
; Melo, Soryana Gonçalves Ferreira de
; Nery, Marcela Carlota
.
Resumo: A couve (Brassica oleracea var. acephala) apresenta grande importância devido a sua facilidade de propagação, aceitabilidade e às suas propriedades nutracêuticas. O objetivo no presente trabalho foi realizar ajustes metodológicos para a condução do teste de tetrazólio em sementes de couve. Inicialmente foram realizados pré-testes com relação ao tempo de pré-condicionamento a 20 °C por 10 e 14 horas (tempos definidos pela curva de embebição) e métodos de remoção do tegumento das sementes de couve (remoção total do tegumento; corte na região distal ao eixo embrionário; corte longitudinal no maior sentido e sementes inteiras). Posteriormente, as metodologias mais eficientes foram avaliadas usando diferentes concentrações da solução do sal de tetrazólio (0,075%; 0,2%; 0,5% e 1,0%) e tempos (2, 4 e 6 h) de imersão das sementes na solução, utilizando-se quatro lotes. As sementes foram analisadas individualmente e classificadas como viáveis ou não viáveis. O teste de tetrazólio é eficiente para a avaliação da viabilidade de sementes de couve fornecendo resultados correlacionados com a germinação. As sementes de couve devem ser pré-condicionadas entre papel por 10 horas a 20 °C, e ter o tegumento removido para imersão em solução do sal de tetrazólio a 0,5% por 4 horas a 30 °C.
Abstract: Kale (Brassica oleracea var. acephala) has great importance due to its easy propagation, acceptability and nutraceutical properties. The aim of the present work was to make methodological adjustments to conduct the tetrazolium test in kale seeds. Pre-tests were initially carried out to assess the priming time at 20 °C for 10 and 14 hours (times defined by the imbibition curve) and methods of removing the coat of kale seeds (total removal of the seed coat; cut in the distal region to the embryonic axis; longitudinal cut along the longest axis and whole seeds). Subsequently, the most efficient methodologies were evaluated using different concentrations of the tetrazolium salt solution (0.075%; 0.2%; 0.5% and 1.0%) and times (2, 4 and 6 h) of seed immersion in the solution, using four lots. The seeds were analyzed individually and classified as viable or non-viable. The tetrazolium test is efficient for evaluating the viability of kale seeds, providing results correlated with germination. Kale seeds should be primed between paper for 10 hours at 20 °C, and the seed coat should be removed for immersion in a 0.5% tetrazolium salt solution for 4 hours at 30 °C.
12.
Capsaicinoids affect intestinal mRNA expression of genes related to oxidative stress in broilers
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Kreuz, Bruna Strieder
; Duarte, Marcio de Souza
; Albino, Luiz Fernando Teixeira
; Borges, Samuel Oliveira
; Piazza, Maria Clara Neres
; Carvalho, Marcela Eduarda Silva de
; Miranda, João Victor de Souza
; Calderano, Arele Arlindo
.
ABSTRACT This study was conducted to evaluate the effects of dietary supplementation with capsaicinoids on the performance and gene expression of broilers. At 18 days of age, 120 male broilers chickens (Cobb 500) were distributed in a completely randomized design with three treatments, eight replicates, and five birds per experimental unit. The treatments were a basal diet or basal diet with the addition of 1 or 2 mg of capsaicinoids/kg of diet. The birds had free access to water and feed throughout the experimental period (18 to 26 days of age). Broiler performance was evaluated at 26 days of age, and one bird per experimental unit was selected to collect serum and jejunum samples. Jejunum samples were used to analyze the mRNA content. Data were analyzed using one-way ANOVA, and the means were compared with Tukey’s test at a significance of 0.05. There was no effect of capsaicinoid supplementation on performance, serum metabolites, or the expression of glutathione peroxidase mRNA in the jejunum of broilers. However, broilers supplemented with capsaicinoids showed a higher mRNA expression of Cu, Zn-superoxide dismutase and a reduced mRNA expression of nuclear factor-κB in the jejunum. Supplementation with 1 and 2 mg/kg capsaicinoids did not improve the performance of broilers from 18 to 26 days of age but increased the mRNA expression of Cu, Zn-superoxide dismutase and reduced the mRNA expression of nuclear factor-κB in the jejunum of broilers.
13.
Bioactive, technological-functional potential and morphological structures of passion fruit albedo (Passiflora edulis)
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ROSÁRIO, Rosely Carvalho do
; SOARES, Stephanie Dias
; MARTINS, Mayara Galvão
; NASCIMENTO, Francisco das Chagas Alves do
; SILVA JUNIOR, José Otávio Carrera
; TEIXEIRA-COSTA, Bárbara Elisabeth
; FIGUEIRA, Marcela de Souza
; SANTOS, Orquídea Vasconcelos dos
.
Abstract Agroindustrial disposal generates tons of passion fruit albedo during pulp and juice processing. The reduction of this environmental pollution potential and its use involves research such as this one, which aims to determine the bioactive compounds in the passion fruit albedo (Passiflora edulis), its technological, functional potential and its morphological structures, aiming at food application. The methodologies applied followed internationally accepted and recommended guidelines. The results showed that the albedo flour obtained a yield of 9.76%, and from this, a semifine powder flour was prepared (75.8%), with 4.95% moisture, 40.72% reducing sugars, water activity of 0.37, pH of 5.29, total titratable acidity of 0.99 and total soluble solids of 1.5 °Brix. In addition, the presence of bioactive compounds such as polyphenols (18.88 mg AGE/100 g), flavonoids (13.51 mg/100 g), anthocyanins (1.74 mg/100 g) and chlorophyll b (69.65 mg/100 g) was evidenced, highlighting a considerable amount of vitamin C (377.36 mg/100 g) and pectin concentration (40.5%). In addition, the presence of bioactive compounds such as polyphenols (18.88 mg AGE/100 g), flavonoids (13.51 mg/100 g), anthocyanins (1.74 mg/100 g) and chlorophyll b (69.65 mg/100 g) was evidenced, highlighting a considerable amount of vitamin C (377.36 mg/100 g) and pectin concentration (40.5%).
14.
EFETIVIDADE DE UM PROGRAMA DE EDUCAÇÃO DE ENFERMAGEM EM PESSOAS COM DIABETES TIPO 2 NA ATENÇÃO PRIMÁRIA: ENSAIO CLÍNICO RANDOMIZADO
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Nogueira Cortez, Daniel
; Ferreira Lima Guimarães, Marcela
; De Oliveira Henriques Cortez, Andreza
; Aparecida Silva Souza, Débora
; Afonso Reis, Ilka
; De Carvalho Torres, Heloísa
.
ABSTRACT Objective: To evaluate the effectiveness of a nursing program in people with type 2 diabetes, considering the relationship between psychological attitudes and sociodemographic characteristics, as well as glycemic control in individuals with type 2 diabetes, assisted by the Family Health Strategy in the city of Divinópolis, State of Minas Gerais, Brazil. Material and Method: Randomized clinical trial carried out with 278 people with type 2 diabetes distributed in an intervention and a control group. The Generalized Estimating Equations were adjusted to control for changes in psychological attitudes or glycosylated hemoglobin associated with sociodemographic characteristics or duration of diabetes. Results: There was an association between psychological attitudes, education and glycemic control. The intervention group improved psychological attitudes (p = 11.21; CI = 95%: 7.4-15.0). People who improved attitudes had a reduction in glycosylated hemoglobin in the intervention group (7.9 ± 0.2 vs. 7.4 ± 0.2, p<0.001) and an increase in the control group. The intervention group decreased glycosylated hemoglobin at the end of the program (p = -0.9; 95% CI: -1.4; -0.5). Conclusion: The intervention group improved psychological attitudes when compared to the control group, except among people with less than five years of diagnosis.
RESUMEN Objetivo: Evaluar la efectividad de un programa de educación de enfermería en personas con diabetes tipo 2, considerando la relación entre las actitudes psicológicas y las características sociodemográficas y el control glicémico en individuos con diabetes tipo 2, atendidos en la Estrategia Salud de la Familia en la ciudad de Divinópolis, estado de Minas Gerais, Brasil. Material y Método: Ensayo clínico aleatorizado realizado con 278 personas con diabetes tipo 2 divididas en grupos de intervención y control. Las Ecuaciones de Estimación Generalizadas se ajustaron para comprobar si había cambios en las actitudes psicológicas o la hemoglobina glucosilada asociados con las características sociodemográficas o la duración de la diabetes. Resultados: Hubo una asociación para las actitudes psicológicas, la educación y el control glicémico. El grupo de intervención mejoró las actitudes psicológicas (p= 11,21; IC= 95%: 7,4-15,0). Las personas que mejoraron las actitudes tuvieron una reducción de la hemoglobina glucosilada en el grupo de intervención (7,9 ± 0,2 frente a 7,4 ± 0,2, p <0,001) y un aumento en el grupo de control. El grupo de intervención disminuyó la hemoglobina glucosilada al final del programa (p= -0,9; IC 95%: -1,4-0,5). Conclusión: El grupo de intervención mejoró las actitudes psicológicas en comparación con el grupo de control, excepto entre las personas con menos de cinco años de diagnóstico.
RESUMO Objetivo: Avaliar a efetividade de um programa de educação de enfermagem em indivíduos com diabetes tipo 2, considerando a relação entre as atitudes psicológicas e as características sociodemográficas, assim como o controle glicêmico, atendidos pela Estratégia de Saúde da Família do município de Divinópolis, estado de Minas Gerais, Brasil. Material e Método: Ensaio clínico randomizado realizado com 278 pessoas com diabetes tipo 2 distribuídas em grupo intervenção e controle. As Equações de Estimação Generalizadas foram ajustadas para verificar se haveria mudanças das atitudes psicológicas ou hemoglobina glicada associadas às características sociodemográficas ou duração de diabetes. Resultados: Houve associação para atitudes psicológicas, educação e controle glicêmico. O grupo intervenção melhorou as atitudes psicológicas (p= 11,2; IC= 95%: 7,4-15,0). As pessoas que melhoraram as atitudes tiveram redução da hemoglobina glicada no grupo intervenção (7,9 ± 0,2 vs 7,4 ± 0,2; p< 0,001) e aumento no grupo controle. O grupo intervenção diminuiu a hemoglobina glicada ao final do programa (p= -0,9; IC= 95%: -1,4 -0,5). Conclusão: O grupo intervenção melhorou as atitudes psicológicas ao comparar com o grupo controle, exceto entre pessoas com menos de cinco anos de diagnóstico.
15.
Effects of the healing activity of rosemary-of-Chapada (Lippia gracilis Schauer) on cutaneous lesions in rats
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Bulhões, Apolônia Agnes Vilar de Carvalho
; Estevão, Lígia Reis de Moura
; Florencio-Silva, Rinaldo
; Simoes, Ricardo Santos
; Leite, Ana Greice Borba
; Cunha, Dayana Maria Serafim da Silva
; Ramos, Clécio Souza
; Soares, Érica Bruna de Andrade
; D’Emery, Marcela Barbosa
; Câmara, Cláudio Augusto Gomes da
; Evêncio-Neto, Joaquim
.
ABSTRACT Purpose: To evaluate the effects of rosemary leaf essential oil-based ointments on the healing of rat skin lesions. Methods: Sixty adult male rats, with dorsal excisional skin wounds made surgically under anesthesia, were divided into three groups (n = 20): Sham group (untreated wounds); control group (CG, wounds treated with vehicle); and essential oil (EO) treated group (wounds treated with essential oil-based ointments), administered topically once daily. Skin wounds were evaluated at 4, 7, 14, and 21 days after EO or vehicle treatments. Lesions were analyzed macroscopically for the contraction degree. Formalin-fixed paraffin-embedded sections of skin wounds were used for histopathological evaluation. Results: Macroscopic evaluation showed wounds edges with thin crust without firmness and yellowish color, along with an improvement in wound contraction in EO group when compared to the other groups. A reduced inflammatory reaction, along with newly formed small diameter capillaries and more organized and elongated collagen fibers, were more frequently observed in EO group than in the other groups. Moreover, blood vessel number and collagen fibers density were significantly higher in EO group. Conclusions: Skin lesion treatment with rosemary leaf essential oil-based ointments accelerates the initial stages of healing, reduces inflammation, and increases angiogenesis, collagen fibers density, and wound contraction in rats.
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