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[SciELO Preprints] - Guidelines on the Diagnosis and Treatment of Hypertrophic Cardiomyopathy – 2024
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Fernandes, Fabio Simões, Marcus V. Correia, Edileide de Barros Marcondes-Braga, Fabiana G. Coelho-Filho, Otavio Rizzi Mesquita, Cláudio Tinoco Mathias-Junior, Wilson Rochitte, Carlos Eduardo Ramires, Felix José Alvarez Alves, Silvia Marinho Martins Montera, Marcelo Westerlund Lopes, Renato Delascio Oliveira-Junior, Mucio Tavares Scolari, Fernando L. Avila, Walkiria Samuel Canesin, Manoel Fernandes Bacal, Fernando Bocchi, Edimar Alcides Moura, Lídia Ana Zytynski Saad, Eduardo Benchimol Scanavacca, Mauricio I. Valdigem, Bruno Pereira Cano , Manuel Nicolas Abizaid , Alexandre Ribeiro, Henrique Barbosa Lemos-Neto, Pedro Alves Ribeiro, Gustavo Calado de Aguiar Jatene, Fabio Biscegli Dias, Ricardo Ribeiro Beck-da-Silva, Luis Rohde, Luis Eduardo P. Bittencourt, Marcelo Imbroinise Pereira, Alexandre Krieger, José Eduardo Villacorta, Humberto Martins, Wolney de Andrade Figueiredo-Neto, José Albuquerque de Cardoso , Juliano Novaes Pastore, Carlos Alberto Jatene, Ieda Biscegli Tanaka, Ana Cristina Sayuri Hotta, Viviane Tiemi Romano, Minna Moreira Dias Albuquerque, Denilson Campos de Mourilhe-Rocha, Ricardo Hajjar, Ludhmila Abrahão Brito, Fabio Sandoli de Caramelli , Bruno Calderaro, Daniela Farsky, Pedro Silvio Colafranceschi , Alexandre Siciliano Pinto, Ibraim Masciarelli Vieira , Marcelo Luiz Campos Danzmann, Luiz Claudio Barberato , Silvio Henrique Mady, Charles Martinelli-Filho, Martino Torbey , Ana Flavia Malheiros Schwartzmann, Pedro Vellosa Macedo, Ariane Vieira Scarlatelli Ferreira , Silvia Moreira Ayub Schmidt, Andre Melo , Marcelo Dantas Tavares de Lima-Filho, Moysés Oliveira Sposito, Andrei C. Brito, Flavio de Souza Biolo, Andreia Madrini-Junior, Vagner Rizk, Stéphanie Itala Mesquita, Evandro Tinoco

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Publication date: 2024-04-08

Abstract: Pt Es En

A cardiomiopatia hipertrófica (CMH) é uma forma de doença do músculo cardíaco de causa genética, caracterizada pela hipertrofia das paredes ventriculares. O diagnóstico requer detecção por métodos de imagem (Ecocardiograma ou Ressonância Magnética Cardíaca) de qualquer segmento da parede do ventrículo esquerdo com espessura > 15 mm, sem outra causa provável. A análise genética permite identificar mutações de genes codificantes de diferentes estruturas do sarcômero responsáveis pelo desenvolvimento da CMH em cerca de 60% dos casos, permitindo o rastreio de familiares e aconselhamento genético, como parte importante do manejo dos pacientes e familiares. Vários conceitos sobre a CMH foram recentemente revistos, incluindo sua prevalência de 1 em 250 indivíduos, não sendo, portanto, uma doença rara, mas subdiagnosticada. A vasta maioria dos pacientes é assintomática. Naqueles sintomáticos, a obstrução do trato de saída do ventrículo esquerdo (OTSVE) é o principal distúrbio responsável pelos sintomas, devendo-se investigar a sua presença em todos os casos. Naqueles em que o ecocardiograma em repouso ou com Manobra de Valsalva não detecta gradiente intraventricular significativo (> 30 mmHg), devem ser submetidos à ecocardiografia com esforço físico para detecção da OTSVE.   Pacientes com sintomas limitantes e grave OTSVE, refratários ao uso de betabloqueadores e verapamil, devem receber terapias de redução septal ou uso de novas drogas inibidoras da miosina cardíaca. Por fim, os pacientes adequadamente identificados com risco aumentado de morta súbita podem receber medida profilática com implante de cardiodesfibrilador implantável (CDI).

La miocardiopatía hipertrófica (MCH) es una forma de enfermedad cardíaca de origen genético, caracterizada por el engrosamiento de las paredes ventriculares. El diagnóstico requiere la detección mediante métodos de imagen (Ecocardiograma o Resonancia Magnética Cardíaca) que muestren algún segmento de la pared ventricular izquierda con un grosor > 15 mm, sin otra causa probable. El análisis genético permite identificar mutaciones en genes que codifican diferentes estructuras del sarcómero responsables del desarrollo de la MCH en aproximadamente el 60% de los casos, lo que permite el tamizaje de familiares y el asesoramiento genético, como parte importante del manejo de pacientes y familiares. Varios conceptos sobre la MCH han sido revisados recientemente, incluida su prevalencia de 1 entre 250 individuos, por lo tanto, no es una enfermedad rara, sino subdiagnosticada. La gran mayoría de los pacientes son asintomáticos. En los casos sintomáticos, la obstrucción del tracto de salida ventricular izquierdo (TSVI) es el trastorno principal responsable de los síntomas, y su presencia debe investigarse en todos los casos. En aquellos en los que el ecocardiograma en reposo o la maniobra de Valsalva no detecta un gradiente intraventricular significativo (> 30 mmHg), deben someterse a ecocardiografía de esfuerzo para detectar la obstrucción del TSVI. Los pacientes con síntomas limitantes y obstrucción grave del TSVI, refractarios al uso de betabloqueantes y verapamilo, deben recibir terapias de reducción septal o usar nuevos medicamentos inhibidores de la miosina cardíaca. Finalmente, los pacientes adecuadamente identificados con un riesgo aumentado de muerte súbita pueden recibir medidas profilácticas con el implante de un cardioversor-desfibrilador implantable (CDI).

Hypertrophic cardiomyopathy (HCM) is a form of genetically caused heart muscle disease, characterized by the thickening of the ventricular walls. Diagnosis requires detection through imaging methods (Echocardiogram or Cardiac Magnetic Resonance) showing any segment of the left ventricular wall with a thickness > 15 mm, without any other probable cause. Genetic analysis allows the identification of mutations in genes encoding different structures of the sarcomere responsible for the development of HCM in about 60% of cases, enabling screening of family members and genetic counseling, as an important part of patient and family management. Several concepts about HCM have recently been reviewed, including its prevalence of 1 in 250 individuals, hence not a rare but rather underdiagnosed disease. The vast majority of patients are asymptomatic. In symptomatic cases, obstruction of the left ventricular outflow tract (LVOT) is the primary disorder responsible for symptoms, and its presence should be investigated in all cases. In those where resting echocardiogram or Valsalva maneuver does not detect significant intraventricular gradient (> 30 mmHg), they should undergo stress echocardiography to detect LVOT obstruction. Patients with limiting symptoms and severe LVOT obstruction, refractory to beta-blockers and verapamil, should receive septal reduction therapies or use new drugs inhibiting cardiac myosin. Finally, appropriately identified patients at increased risk of sudden death may receive prophylactic measure with implantable cardioverter-defibrillator (ICD) implantation.

https://doi.org/10.1590/SciELOPreprints.8394

Artificial intelligence to growth stresses predicting in Eucalyptus clones using dendrometric variables and wood density
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Monteiro, Thiago Campos

; Araújo Júnior, Carlos Alberto

; dos Santos, Jean Henrique

; Cardoso Silva, Thiago

; Magalhães do Nascimento, Thiago

; Ferraresso Conti Junior, José Luiz

; Monteiro de Matos, Jorge Luis

; Klitzke, Ricardo Jorge

; Pereira da Rocha, Márcio

Maderas. Ciencia y tecnología

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2023, Volume 25 elocation 30

Abstract: En | Text: En | PDF: En

Abstract: Eucalyptus planted forests contribute to maximizing lumber production but problems such as longitudinal growth strain can negatively influence the quality of the products. Knowing dendrometric variables and wood properties can help in the prediction of longitudinal growth strain, mainly with the help of artificial intelligence. Thus, the aim of this research was to evaluate the use of artificial neural networks to predict longitudinal growth strain in Eucalyptus trees based on dendrometric variables, spacing between trees and wood density. The longitudinal growth strain was measured in trees of four Eucalyptus clones planted in three spacings. The diameter and height of each tree were measured. The basic wood density was determined. Artificial neural networks were used to estimate longitudinal growth strain as a function of dendrometric variables, tree spacing and wood density. The results showed that the artificial neural networks presented good results for training and validation, with most of them resulting in high correlation coefficient values. The trained artificial neural networks showed a correlation coefficient above 0,56. Artificial neural networks showed that the variables clone and basic wood density were the ones that most contributed to the prediction of longitudinal growth strain. On the other hand, the spacing between trees, the height of the tree and the diameter at breast height were not relevant to predict growth stresses.

https://doi.org/10.4067/s0718-221x2023000100430

Detection of nutritional stress in sugarcane by VIS-NIR-SWIR reflectance spectroscopy
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Silva, Carlos Augusto Alves Cardoso

; Fiorio, Peterson Ricardo

; Rizzo, Rodnei

; Rossetto, Raffaella

; Vitti, André Cesar

; Dias, Fábio Luís Ferreira

; Oliveira, Kamilla Andrade de

; Bárbara Neto, Michaela

Ciência Rural

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2023, Volume 53 N. 12 elocation e20220543

Abstract: En Pt | Text: En Pt | PDF: En | PDF: Pt

ABSTRACT: This study applied spectroradiometry techniques with hyperspectral data to identify the correlations between sugarcane leaf reflectance and the contents of Nitrogen (N), phosphorus (P), Potassium (K), Sulfur (S), Calcium (Ca) and Magnesium (Mg). During the harvests 2019/20 and 2020/21, sugarcane was introduced to nutritional stress by the application of limestone doses. Liming was applied in a fractional way and, at the end of five years, the amounts corresponded to 0, 9, 15 and 21 t ha-1 of dolomitic limestone. The leaf hyperspectral reflectance data and the state of nutrients in the exponential growth phase of the culture were registered. The wavelengths correlated with N, P, K, S, Ca and Mg were identified using the Spearman’s correlation analysis. The test of similarity (ANOSIM) and the Principal Component Analysis (PCA) were applied to evaluate data variability, as well as the Partial Least Squares Regression (PLSR) for the prediction of the nutritional contents. The order of the degree of correlation in the region of visible was: P > K > N > Ca > S > Mg and for the region of the near infrared: P > K > Ca > N > S > Mg. P presented peaks with high correlations in the wavelengths 706-717 nm (-0.78) and 522-543 nm (-0.76). The values of the PLSR registered the best spectral responses in the region of VIS and red-edge, regions that are more sensitive to the deficiency of sulfur, potassium and phosphorus.

RESUMO: Este estudo aplicou técnicas de espectrorradiometria com dados hiperespectrais para identificar as relações da reflectância foliar da cana-de-açúcar com os teores de Nitrogênio (N), Fósforo (P), Potássio (K), Enxofre (S), Cálcio (Ca) e Magnésio (Mg). Durante as safras 2019/20 e 2020/21 a cana foi induzida ao estresse nutricional a partir da aplicação de doses de calcário. A calagem foi aplicada de forma fracionada e ao final de cinco anos as quantidades corresponderam a 0, 9, 15 e 21 t ha-1 de calcário do tipo dolomítico. Foram registrados os dados de reflectância hiperespectral da folha e o estado de nutrientes na fase de exponencial crescimento da cultura. Os comprimentos de onda correlacionados ao N, P, K, S, Ca e Mg foram identificados usando análise de correlação de Spearman. Aplicou-se o teste de similaridade (ANOSIM) e Análise de Componentes Principais (ACP) para avaliar a variabilidade dos dados, assim como, a Regressão por Mínimos Quadrados Parciais (PLRS) para a predição dos teores nutricionais. A ordem do grau de correlação na região do visível foi: P > K > N > Ca > S > Mg e para região do infravermelho próximo: P > K > Ca > N > S > Mg. O P teve picos com alta correlação nos comprimentos de onda 706-717 nm (-0,78) e 522-543 nm (-0,76). Os valores do PLRS registraram melhores respostas espectrais na região do VIS e red-edge, regiões mais sensíveis a deficiência do enxofre, potássio e fósforo.

https://doi.org/10.1590/0103-8478cr20220543

Physical activity in birth cohorts of three Brazilian cities (Ribeirão Preto, Pelotas, and São Luís): A cross-sectional study
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Confortin, Susana Cararo

; Rocha, Paulo Ricardo Higassiaraguti

; Silva, Bruna Gonçalves Cordeiro da

; Menezes, Ana Maria Baptista

; Horta, Bernardo Lessa

; Gonçalves, Helen

; Bettiol, Heloisa

; Barbieri, Marco Antonio

; Saraiva, Maria da Conceição Pereira

; Alves, Maria Teresa Seabra Soares de Britto e

; Batista, Rosângela Fernandes Lucena

; Cardoso, Viviane Cunha

; Silva, Inácio Crochemore Mohnsam da

; Silva, Antônio Augusto Moura da

Revista Brasileira de Epidemiologia

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2022, Volume 25 elocation e220024

Abstract: Pt En | Text: Pt En | PDF: Pt | PDF: En

RESUMO Objetivo: Descrever a prevalência de atividade física entre sujeitos de coortes de nascimento de três cidades localizadas em diferentes regiões do Brasil segundo características sociodemográficas e sexo, comparando relações intra e intercoortes. Métodos: Estudo transversal com 12.724 adolescentes e adultos jovens que participaram de cinco coortes de nascimento: Ribeirão Preto [1978/79 (37/39 anos em 2016) e 1994 (22 anos em 2016)]; Pelotas [1982 (30 anos em 2012) e 1993 (22 anos em 2015)] e São Luís [1997/98 (18/19 anos em 2016)]. A atividade física no lazer foi avaliada com questionários (insuficientemente ativo: <150 min/semana; ativo: ≥150 min/semana) e a atividade física moderada e vigorosa (AFMV) foi medida objetivamente por acelerometria. Foram avaliadas a cor da pele, a classificação socioeconômica e as atividades de estudo/trabalho. Resultados: A prevalência de ativos no lazer variou de 29,2% aos 30 anos em Pelotas a 54,6% entre os adolescentes de São Luís. A prevalência de ativos no lazer foi maior entre os mais jovens (54,6% em São Luís/1997), o que não foi observado para a atividade física total. A AFMV (3o tercil) foi maior nas coortes de Pelotas e São Luís. A prevalência de ativos no lazer e a AFMV foi maior nos homens. Os dados mostraram que a variação da atividade física foi associada ao sexo e às condições sociodemográficas em todas as coortes. Conclusão: As características sociodemográficas devem ser consideradas na promoção da atividade física no lazer e as ações voltadas para jovens e adultos mais vulneráveis socioeconomicamente devem ser incentivadas.

ABSTRACT Objective: To describe the prevalence of physical activity among subjects from birth cohorts of three cities located in different regions of Brazil according to sociodemographic characteristics and sex, comparing the relationships within and between cohorts. Methods: Cross-sectional study involving 12,724 adolescents and young adults who participated in five birth cohorts: Ribeirão Preto [1978/79 (37/39 years old in 2016) and 1994 (22 years in 2016)]; Pelotas [1982 (30 years in 2012) and 1993 (22 years in 2015)], and São Luís [1997/98 (18/19 years in 2016)]. Leisure-time physical activity was evaluated with questionnaires (insufficiently active: <150 min/week and active: ≥150 min/week) and moderate and vigorous physical activity (MVPA) was objectively measured by accelerometry. Those, in each city, were evaluated accordingly to skin color, socioeconomic classification, and study/work activities. Results: The prevalence of leisure-time physical activity ranged from 29.2% at 30 years old in Pelotas to 54.6% among adolescents from São Luís. The prevalence of leisure-time physical activity was higher among younger people (54.6% in São Luís 1997), while the same was not observed for total physical activity. MVPA (3rd tercile) was higher in the cohorts from Pelotas and São Luís. The prevalence of leisure-time physical activity and MVPA was higher in men. The data showed that the variation in physical activity was associated with sex and sociodemographic conditions in all cohorts. Conclusion: Sociodemographic characteristics should be considered when promoting leisure-time physical activity and actions aimed at young people, and adults who are more socioeconomically vulnerable should be encouraged.

https://doi.org/10.1590/1980-549720220024

Physical activity in birth cohorts of three Brazilian cities (Ribeirão Preto, Pelotas, and São Luís): A cross-sectional study
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Confortin, Susana Cararo

; Rocha, Paulo Ricardo Higassiaraguti

; Silva, Bruna Gonçalves Cordeiro da

; Menezes, Ana Maria Baptista

; Horta, Bernardo Lessa

; Gonçalves, Helen

; Bettiol, Heloisa

; Barbieri, Marco Antonio

; Saraiva, Maria da Conceição Pereira

; Alves, Maria Teresa Seabra Soares de Britto e

; Batista, Rosângela Fernandes Lucena

; Cardoso, Viviane Cunha

; Silva, Inácio Crochemore Mohnsam da

; Silva, Antônio Augusto Moura da

Revista Brasileira de Epidemiologia

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2022, Volume 25 elocation e220024

Abstract: Pt En | Text: Pt En | PDF: Pt | PDF: En

https://doi.org/10.1590/1980-549720220024

Implications for Clinical Practice from a Multicenter Survey of Heart Failure Management Centers
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Bocchi, Edimar Alcides

; Moreira, Henrique Turin

; Nakamuta, Juliana Sanajotti

; Simões, Marcus Vinicius

; Casas, Alberto de Almeida Las

; Costa, Altamiro Reis da

; Assis, Amberson Vieira de

; Durães, André Rodrigues

; Pereira-Barretto, Antonio Carlos

; Ravessa, Antonio Delduque de Araujo

; Macedo, Ariane Vieira Scarlatelli

; Biselli, Bruno

; Pinto, Carolina Maria Nogueira

; Filho, Conrado Roberto Hoffmann

; Costantini, Costantino Roberto

; Almeida, Dirceu Rodrigues

; Santos Jr, Edval Gomes dos

; Soliva Junior, Erwin

; Figueiredo, Estevão Lanna

; Albuquerque, Felipe Neves de

; Paulitsch, Felipe

; Neuenschwander, Fernando Carvalho

; Figueiredo Neto, José Albuquerque de

; Brito, Flavio de Souza

; Lopes, Heno Ferreira

; Villacorta, Humberto

; Souza Neto, João David de

; Sepulveda, João Mariano

; Ayoub, José Carlos Aidar

; Vilela-Martin, José F.

; Cardoso, Juliano Novaes

; Uemura, Laercio

; Moura, Lidia Zytynski

; Maia, Lilia Nigro

; Oliveira, Lucia Brandão de

; Maia, Lucimir

; Silva, Luís Beck da

; Gowdak, Luís Henrique Wolff

; Danzmann, Luiz Claudio

; Andrade, Marcus

; Braile-Sternieri, Maria Christiane Valeria Braga

; Moreira, Maria da Consolação Vieira

; França Neto, Olimpio R

; Filho, Otavio Rizzi Coelho

; Esteves, Paulo Frederico

; Raupp-da-Rosa, Priscila

; Silva, Ricardo Jorge de Queiroz e

; Mourilhe-Rocha, Ricardo

; Viégas, Ruy Felipe Melo

; Rassi, Salvador

; Mangili, Sandrigo

; Kaiser, Sergio Emanuel

; Martins, Silvia Marinho

; Kawabata, Vitor Sergio

Clinics

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2021, Volume 76 elocation e1991

Abstract: En | Text: En | PDF: En

OBJECTIVES: This observational, cross-sectional study based aimed to test whether heart failure (HF)-disease management program (DMP) components are influencing care and clinical decision-making in Brazil. METHODS: The survey respondents were cardiologists recommended by experts in the field and invited to participate in the survey via printed form or email. The survey consisted of 29 questions addressing site demographics, public versus private infrastructure, HF baseline data of patients, clinical management of HF, performance indicators, and perceptions about HF treatment. RESULTS: Data were obtained from 98 centers (58% public and 42% private practice) distributed across Brazil. Public HF-DMPs compared to private HF-DMP were associated with a higher percentage of HF-DMP-dedicated services (79% vs 24%; OR: 12, 95% CI: 94-34), multidisciplinary HF (MHF)-DMP [84% vs 65%; OR: 3; 95% CI: 1-8), HF educational programs (49% vs 18%; OR: 4; 95% CI: 1-2), written instructions before hospital discharge (83% vs 76%; OR: 1; 95% CI: 0-5), rehabilitation (69% vs 39%; OR: 3; 95% CI: 1-9), monitoring (44% vs 29%; OR: 2; 95% CI: 1-5), guideline-directed medical therapy-HF use (94% vs 85%; OR: 3; 95% CI: 0-15), and less B-type natriuretic peptide (BNP) dosage (73% vs 88%; OR: 3; 95% CI: 1-9), and key performance indicators (37% vs 60%; OR: 3; 95% CI: 1-7). In comparison to non- MHF-DMP, MHF-DMP was associated with more educational initiatives (42% vs 6%; OR: 12; 95% CI: 1-97), written instructions (83% vs 68%; OR: 2: 95% CI: 1-7), rehabilitation (69% vs 17%; OR: 11; 95% CI: 3-44), monitoring (47% vs 6%; OR: 14; 95% CI: 2-115), GDMT-HF (92% vs 83%; OR: 3; 95% CI: 0-15). In addition, there were less use of BNP as a biomarker (70% vs 84%; OR: 2; 95% CI: 1-8) and key performance indicators (35% vs 51%; OR: 2; 95% CI: 91,6) in the non-MHF group. Physicians considered changing or introducing new medications mostly when patients were hospitalized or when observing worsening disease and/or symptoms. Adherence to drug treatment and non-drug treatment factors were the greatest medical problems associated with HF treatment. CONCLUSION: HF-DMPs are highly heterogeneous. New strategies for HF care should consider the present study highlights and clinical decision-making processes to improve HF patient care.

https://doi.org/10.6061/clinics/2021/e1991 870 downloads

Identification of clusters of asthma control: A preliminary analysis of the Inspirers studies
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Jácome, Cristina

; Amaral, Rita

; Almeida, Rute

; Pereira, Ana Margarida

; Couto, Mariana

; Araújo, Luís

; Alves-Correia, Magna

; Pereira, Mariana

; Ferreira-Magalhães, Manuel

; Loureiro, Cláudia Chaves

; Catarata, Maria Joana

; Santos, Lília Maia

; Cabral, Sara

; Pereira, João

; Ramos, Bárbara

; Lopes, Cristina

; Mendes, Ana

; Lopes, Anabela

; Rodrigues, José Carlos Cidrais

; Oliveira, Georgeta

; Aguiar, Ana Paula

; Afonso, Ivete

; Carvalho, Joana

; Arrobas, Ana Maria

; Costa, José

; Valério, Margarida

; Pereira, Marta

; Almeida, Teresa

; Dias, Joana

; Bom, Ana Todo

; Azevedo, João

; Ribeiro, Carmelita

; Alves, Marta

; Pinto, Paula Leiria

; Neuparth, Nuno

; Neves, Ana Castro

; Palhinha, Ana

; Marques, João Gaspar

; Martins, Pedro

; Trincão, David Pina

; Todo-Bom, Filipa

; Santos, Maria Alvarenga

; Branco, Joana

; Costa, Alberto

; Neto, Armandina Silva

; Santalha, Marta

; Lozoya, Carlos

; Santos, Natacha

; Silva, Diana

; Vasconcelos, Maria João

; Barata, Luís Taborda

; Teixeira, Maria Fernanda

; Pinto, Diana

; Alves, Rodrigo Rodrigues

; Moreira, Ana Sofia

; Pinto, Cláudia Sofia

; Silva, Pedro Morais

; Alves, Carlos

; Câmara, Raquel

; Coelho, Didina

; Bordalo, Diana

; Carvalho, Fernanda

; Fernandes, Ricardo

; Ferreira, Rosário

; Oliveira, José Ferraz de

; Menezes, Fernando

; Gomes, Ricardo

; Calix, Maria José

; Marques, Ana

; Cardoso, João

; Emiliano, Madalena

; Gerardo, Rita

; Nunes, Carlos

; Ferreira, José Alberto

; Lopes, Inês

; Alves, Adelaide

; Fonseca, João Almeida

Revista Portuguesa de Imunoalergologia

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dec 2020, Volume 28 N. 4 Pages 231 - 240

Abstract: Pt En | Text: Pt En | PDF: Pt | PDF: En

Objetivos: Identificar clusters de controlo da asma baseados no Teste de Controlo da Asma e Rinite Alérgica (CARAT) e comparar as características dos doentes nos diferentes clusters. Métodos: Adultos e adolescentes (≥13 anos) com asma persistente foram recrutados em 29 centros no contexto de 2 estudos observacionais do projeto INSPIRERS. Foram recolhidos dados relativos a características demográficas e clínicas, adesão ao inalador, crenças sobre a medicação, sintomas de ansiedade e depressão, qualidade de vida e controlo da asma (CARAT, >24 bom controlo). Foi efetuada uma análise hierárquica de clusters usando a pontuação total do CARAT (CARAT-T).Resultados: Foram analisados 410 doentes (68% adultos), com uma idade mediana (percentil 25-percentil 75) de 28 (16-46) anos. Foram identificados três clusters [média CARAT-T(min-max)]: cluster 1 [27(24-30)], cluster 2 [19(14-23)] e cluster 3 [10(2-13)]. Os doentes no cluster 1 (34%) apresentavam melhor controlo da asma, melhor qualidade de vida, maior adesão aos inaladores e usavam um único inalador. Os doentes nos clusters 2 (50%) e 3 (16%) tinham a asma não controlada, menor adesão aos inaladores, mais sintomas de ansiedade e depressão e mais de metade reportavam pelo menos uma exacerbação no último ano. Adicionalmente, os doentes no cluster 3 eram predominantemente mulheres, tinham mais consultas médicas não agendadas, apresentavam mais sintomas de ansiedade, percebiam uma maior necessidade dos inaladores, mas também uma maior preocupação associada ao seu uso. Não se verificaram diferenças na idade, índice de massa corporal, função pulmonar, hábitos tabágicos, hospitalizações ou tempo de seguimento pelo médico especialista. Conclusões: Um método não supervisionado baseado no CARAT-T, identificou 3 clusters de doentes com diferentes características clínicas. O cluster com melhor controlo apresenta um ponto de corte semelhante ao estabelecido no estudo de validação do CARAT. Este estudo sugere ainda a existência de um ponto de corte adicional para distinguir doença mais grave. Mais investigação é necessária para validar os clusters identificados

Aims: To identify distinct asthma control clusters based on Control of Allergic Rhinitis and Asthma Test (CARAT) and to compare patients’ characteristics among these clusters. Methods: Adults and adolescents (≥13 years) with persistent asthma were recruited at 29 Portuguese hospital outpatient clinics, in the context of two observational studies of the INSPIRERS project. Demographic and clinical characteristics, adherence to inhaled medication, beliefs about inhaled medication, anxiety and depression, quality of life, and asthma control (CARAT, >24 good control) were collected. Hierarchical cluster analysis was performed using CARAT total score (CARAT-T). Results: 410 patients (68% adults), with a median (percentile 25-percentile 75) age of 28 (16-46) years, were analysed. Three clusters were identified [mean CARAT-T (min-max)]: cluster 1 [27(24-30)], cluster 2 [19(14-23)] and cluster 3 [10(2-13)]. Patients in cluster 1 (34%) were characterised by better asthma control, better quality of life, higher inhaler adherence and use of a single inhaler. Patients in clusters 2 (50%) and 3 (16%) had uncontrolled asthma, lower inhaler adherence, more symptoms of anxiety and depression and more than half had at least one exacerbation in the previous year. Furthermore, patients in cluster 3 were predominantly female, had more unscheduled medical visits and more anxiety symptoms, perceived a higher necessity of their prescribed inhalers but also higher levels of concern about taking these inhalers. There were no differences in age, body mass index, lung function, smoking status, hospital admissions or specialist physician follow-up time among the three clusters. Conclusion: An unsupervised method based on CARAT-T, identified 3 clusters of patients with distinct, clinically meaningful characteristics. The cluster with better asthma control had a cut-off similar to the established in the validation study of CARAT and an additional cut-off seems to distinguish more severe disease. Further research is necessary to validate the asthma control clusters identified.

https://doi.org/10.32932/rpia.2020.12.046 633 downloads

Characteristics and Surgical Outcomes in Very Elderly Patients (≥75 years) with Renal Cell Carcinoma: Data from the Latin American Renal Cancer Group
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Garza-Gangemi, Adrián M.

; Castillejos-Molina, Ricardo A.

; Gueglio, Guillermo

; Tobia-Gonzalez, Ignacio P.

; Jurado, Alberto M.

; Meza-Montoya, Luis

; Scorticati, Carlos H.

; Henriques-da-Costa, Walter

; Yandian, Juan

; Ubillos, Luis

; Glina, Sidney

; Tobias-Machado, Marcos

; Rodríguez-Faba, Oscar

; Ameri, Carlos

; Nolazco, Alejandro

; Martinez, Pablo

; Franco Carvalhal, Gustavo

; Bengio, Ruben G.

; Arribillaga, Leandro Cristian

; Langenhin, Raúl

; Muguruza, Diego

; Campos-Salcedo, José G.

; Bravo-Castro, Edgar I.

; Mingote, Pablo A.

; Ginestar, Nicolás

; Autran-Gomez, Ana M.

; Puente, Roberto

; Decia, Ricardo

; Cardoso-Guimarães, Gustavo

; Palou-Redorta, Joan

; Abreu-Clavijo, Diego

; Cassio-Zequi, Stenio de

; Rodriguez-Covarrubias, Francisco T.

Revista de investigación clínica

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oct 2020, Volume 72 N. 5 Pages 308 - 315

Abstract: En | Text: En | PDF: En

Background: The incidence of renal cell carcinoma (RCC) is increasing globally due to an aging population and widespread use of imaging studies. Objective: The aim of this study was to describe the characteristics and perioperative outcomes of RCC surgery in very elderly patients (VEP), ≥ 75 years of age. Methods: This is a retrospective comparative study of 3656 patients who underwent the treatment for RCC from 1990 to 2015 in 28 centers from eight Latin American countries. We compared baseline characteristics as well as clinical and perioperative outcomes according to age groups (<75 vs. ≥75 years). Surgical complications were classified with the Clavien-Dindo score. We performed logistic regression analysis to identify factors associated with perioperative complications. Results: There were 410 VEP patients (11.2%). On bivariate analysis, VEP had a lower body mass index (p < 0.01) and higher ASA score (ASA >2 in 26.3% vs. 12.4%, p < 0.01). There was no difference in performance status and clinical stage between the study groups. There were no differences in surgical margins, estimated blood loss (EBL), complication, and mortality rates (1.3% vs. 0.4%, p = 0.17). On multivariate regression analysis, age ≥75 years (odds ratio [OR] 2.33, p < 0.01), EBL ≥ 500 cc (OR 3.34, p < 0.01), and > pT2 stage (OR 1.63, p = 0.04) were independently associated with perioperative complications. Conclusions: Surgical resection of RCC was safe and successful in VEP. Age ≥75 years was independently associated with 30-day perioperative complications. However, the vast majority were low-grade complications. Age alone should not guide decision-making in these patients, and treatment must be tailored according to performance status and severity of comorbidities. (REV INVEST CLIN. 2020;72(5):308-15)

https://doi.org/10.24875/ric.20000018 141 downloads

Mean birth weight among term newborns: direction, magnitude and associated factors
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Silva, Antônio Augusto Moura da

; Carvalho, Carolina Abreu de

; Bettiol, Heloísa

; Goldani, Marcelo Z.

; Lamy Filho, Fernando

; Lamy, Zeni Carvalho

; Domingues, Marlos R.

; Cardoso, Viviane C.

; Cavalli, Ricardo de C.

; Horta, Bernardo Lessa

; Barros, Aluisio J. D.

; Barbieri, Marco Antonio

Cadernos de Saúde Pública

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2020, Volume 36 N. 4 elocation e00099419

Abstract: Pt En Es | Text: Pt En Es | PDF: Pt | PDF: En | PDF: Es

Resumo: Existem evidências de uma tendência de aumento do peso ao nascer, mas pouco se sabe sobre os fatores que explicam essa tendência. Avaliar as mudanças na média de peso ao nascer e identificar os fatores associados. Foram incluídas todas as coortes de base populacional com amostras aleatórias de nascimentos (Ribeirão Preto, São Paulo em 1978/1979, 1994 e 2010; Pelotas, Rio Grande do Sul em 1982, 1993 e 2004; São Luís, Maranhão em 1997/1998 e 2010, Brasil). Foi incluído um total de 32.147 nascidos vivos a termo, de feto único. A média de peso ao nascer diminuiu no primeiro período estudado (-89,1g entre 1978/1979 e 1994 em Ribeirão Preto e -27,7g entre 1982 e 1993 em Pelotas) e aumentou no segundo período, +30,2g entre 1994 e 2010 em Ribeirão Preto e +24,7g entre 1997 e 2010 em São Luís. No primeiro período, em Ribeirão Preto, a redução na média de peso ao nascer foi maior entre mães com escolaridade mais alta e crianças nascidas com 39-41 semanas de idade gestacional. No segundo período, o aumento na média de peso ao nascer foi maior entre mães com escolaridade mais baixa em Ribeirão Preto e São Luís, crianças do sexo feminino e nascidas com 37-38 semanas em Ribeirão Preto e crianças nascidas de cesárea em São Luís. O peso ao nascer diminuiu no primeiro período e aumentou desde então. As variáveis que parecem explicar essas mudanças variaram ao longo do tempo.

Abstract: A trend towards increasing birth weight has been shown, but factors that explain these trends have not been elucidated. The objectives of this study were to evaluate changes in mean birth weight of term newborns and to identify factors associated with them. All cohorts are population-based studies in which random samples of births (Ribeirão Preto, São Paulo State in 1978/1979, 1994 and 2010; Pelotas, Rio Grande do Sul State in 1982, 1993 and 2004; and São Luís, Maranhão State in 1997/1998 and 2010, Brazil). A total of 32,147 full-term, singleton live births were included. Mean birth weight reduced in the first study period (-89.1g in Ribeirão Preto from 1978/1979 to 1994, and -27.7g in Pelotas from 1982 to 1993) and increased +30.2g in Ribeirão Preto from 1994 to 2010 and +24.7g in São Luís from 1997 to 2010. In the first period, in Ribeirão Preto, mean birth weight reduction was steeper among mothers with high school education and among those born 39-41 weeks. In the second period, the increase in mean birth weight was steeper among mothers with low schooling in Ribeirão Preto and São Luís, females and those born 37-38 weeks in Ribeirão Preto and cesarean section in São Luís. Birth weight decreased in the first study period then increased thereafter. The variables that seem to have been able to explain these changes varied over time.

Resumen: Se ha mostrado una tendencia de aumento de peso al nacer, pero los factores que explican esta tendencia todavía no han sido elucidados. Evaluar los cambios en el peso medio al nacer de los recién nacidos a término e identificar factores asociados. Se trata de un estudio de todas las cohortes basadas en población, donde existe una muestra aleatoria simple de nacimientos (Ribeirão Preto, São Paulo en 1978/1979, 1994 y 2010; Pelotas, Rio Grande do Sul en 1982, 1993 y 2004; y São Luís, Maranhão en 1997/1998 y 2010, Brasil). Se incluyeron un total de 32.147 de nacimientos a término completo con embarazo de un único feto. El peso medio al nacer se redujo en el primer estudio del período (-89,1g en Ribeirão Preto desde 1978/1979 a 1994 y -27,7g en Pelotas desde 1982 a 1993) y se incrementó +30,2g en Ribeirão Preto desde 1994 a 2010 y +24.7g en São Luís desde 1997 a 2010. En el primer periodo, en Ribeirão Preto, la reducción del peso medio al nacer fue más pronunciada entre madres con una escolarización más alta y entre aquellos nacidos con 39-41 semanas. En el segundo período, el incremento en el peso medio al nacer fue más pronunciado entre las madres con una escolarización más baja en Ribeirão Preto y São Luís, mujeres y aquellos que nacieron con 37-38 semanas en Ribeirão Preto y en el área de cesáreas en São Luís. Disminuyó el peso al nacer durante el primer período de estudio y se vio incrementado después. Las variables que parecen capaces de explicar estos cambios varían a lo largo del tiempo.

https://doi.org/10.1590/0102-311x00099419

10.

Mean birth weight among term newborns: direction, magnitude and associated factors
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Silva, Antônio Augusto Moura da

; Carvalho, Carolina Abreu de

; Bettiol, Heloísa

; Goldani, Marcelo Z.

; Lamy Filho, Fernando

; Lamy, Zeni Carvalho

; Domingues, Marlos R.

; Cardoso, Viviane C.

; Cavalli, Ricardo de C.

; Horta, Bernardo Lessa

; Barros, Aluisio J. D.

; Barbieri, Marco Antonio

Cadernos de Saúde Pública

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2020, Volume 36 N. 4 elocation e00099419

Abstract: Pt En Es | Text: Pt En Es | PDF: Pt | PDF: En | PDF: Es

https://doi.org/10.1590/0102-311x00099419 655 downloads

11.

Investigation and environmental analysis of samples from outbreak of toxoplasmosis at research institution in Londrina, Paraná, Brazil, 2016
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Pinto-Ferreira, Fernanda

; Mitsuka-Breganó, Regina

; Monica, Thais Cabral

; Martins, Felippe Danyel Cardoso

; Matos, Ricardo Luís Nascimento de

; Mareze, Marcelle

; Nino, Beatriz de Souza Lima

; Narciso, Simone Garani

; Freire, Roberta Lemos

; Navarro, Italmar Teodorico

Revista Brasileira de Parasitologia Veterinária

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jul 2019, Volume 28 N. 3 Pages 518 - 521

Abstract: Pt En | Text: Pt En | PDF: Pt | PDF: En

Resumo O objetivo deste estudo foi relatar um surto de toxoplasmose humana em uma instituição de pesquisa em Londrina, Paraná, no período de dezembro de 2015 a fevereiro de 2016. Amostras de sangue de 26 indivíduos sintomáticos foram coletadas e o imunoensaio de quimioluminescência de micropartículas foi realizado para detectar IgM, IgG e teste de avidez de IgG específica em laboratório oficial. Um total de 20 pessoas com sintomas e sorologia compatíveis com toxoplasmose aguda (IgM positiva e IgG com baixa avidez) foi selecionado como casos, enquanto 45 funcionários assintomáticos que trabalhavam nas mesmas equipes e durante os mesmos turnos foram utilizados como controles. Todos os participantes da investigação responderam a um questionário epidemiológico. Foram coletadas três amostras de água e uma de lodo das cisternas de abastecimento da instituição, 10 de solo, 11 de vegetais, três amostras de fezes de gato e um cadáver de filhote felino doméstico para detecção de T. gondii pela reação em cadeia da polimerase (PCR). Após análise dos dados epidemiológicos, o consumo de hortaliças no restaurante da instituição foi a única variável associada à ocorrência da doença. Em resultados laboratoriais, todas as amostras apresentaram resultados negativos a PCR. O rápido reconhecimento do surto, notificação e investigação prematura poderia ter quebrado a cadeia de transmissão, evitando assim o surgimento de novos casos. Além disso, a adoção de boas práticas de manipulação de alimentos poderia ter impedido a ocorrência do surto.

Abstract The objective of this study was to report an outbreak of human toxoplasmosis at a research institution in Londrina, Paraná, from December 2015 to February 2016. Blood samples from 26 symptomatic individuals were collected and the microparticle chemiluminescence immunoassay was performed to detect IgM, IgG and specific IgG avidity test in the official laboratory. A total of 20 people with symptoms and serology compatible with acute toxoplasmosis (IgM positive and IgG with low avidity) were selected as cases, while 45 asymptomatic employees working in the same teams and during the same shifts were selected as controls. All the participants of the investigation answered an epidemiological questionnaire. Three samples of water and one sludge from the institution's supply cisterns, 10 soil samples, 11 plant samples, three cat fecal samples and one domestic feline cadaver were collected for analysis of the polymerase chain reaction (PCR) for T. gondii. After analyzing the epidemiological data, the consumption of vegetables in the restaurant of the institution was the only variable associated with the occurrence of the disease. In laboratory results, all the samples showed negative results to PCR. The rapid recognition of the outbreak, early notification and investigation could have broken the chain of transmission early, thus preventing the emergence of new cases. In addition, the adoption of good food handling practices could have prevented the occurrence of the outbreak.

https://doi.org/10.1590/s1984-29612019044 1248 downloads

12.

The Importance of Understanding Differences in a Critical Size Model: a Preliminary In Vivo Study Using Tibia and Parietal Bone to Evaluate the Reaction with Different Biomaterials
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Cardoso, Guinea Brasil Camargo

; Chacon, Erivelto Luis

; Maia, Luis Ricardo Barbosa

; Zavaglia, Cecília Amélia de Carvalho

; Cunha, Marcelo Rodrigues da

Materials Research

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2019, Volume 22 N. 1 elocation e20180491

Abstract: En | Text: En | PDF: En

Many researches aim to develop different biomaterials that are compatible with natural tissues. In vitro and in vivo tests are used to evaluate this potential. Our aim was to report the importance of the critical defect’s location for in vivo assays, to evaluate this approach; in vivo studies were performed, using different compositions of biomaterials in two critical size defects: tibia and parietal bone. Polycaprolactone was used as the main polymeric matrix with and without addition of hydroxyapatite. In vivo studies on the standard critical size defect in tibia and parietal bone were performed using Wistars models: 3x2 and 5x1 dimensions, respectively. The animals were sacrificed after 32 days; neobone formation was assessed with the histological data. The in vivo data demonstrated differences between the tibia and parietal bone groups: the influence of the bone on the neobone’s formation was notable. All the tibia defect samples had greater neobone volume when compared to the parietal data. Indeed, these bones have distinct embryology, influence of mechanical forces and vascularization rate that are well known; moreover, these characteristics were demonstrated to be critical for neobone formation.

https://doi.org/10.1590/1980-5373-mr-2018-0491 1682 downloads

13.

Syringocystadenoma papilliferum combined with a tubular apocrine adenoma
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Léda, Luanna da Silva Brito

; Lins, Maria do Socorro Ventura Silva

; Leite, Everson José dos Santos

; Cardoso, Alberto Eduardo Cox

; Houly, Ricardo Luis Simões

Anais Brasileiros de Dermatologia

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oct 2017, Volume 92 N. 5 Pages 721 - 723

Abstract: En | Text: En | PDF: En

Abstract: Syringocystadenoma papilliferum and tubular apocrine adenoma are rare benign sweat gland tumors. Syringocystadenoma papilliferum occurs alone or in association with other tumors. Although it is rare, the association of tubular apocrine adenoma with syringocystadenoma papilliferum developing in a sebaceous nevus on the scalp is well documented. However, the co-existence of these two tumors without the background of a sebaceous nevus has not been frequently reported. Syringocystadenoma papilliferum and tubular apocrine adenoma may have a histopathological overlap, but a few cases of a syringocystadenoma papilliferum combined with a tubular apocrine adenoma have been reported. Herein we describe an unusual case of syringocystadenoma papilliferum co-existing with a tubular apocrine adenoma located on the back of a 14-year-old patient in the absence of a pre-existing sebaceous nevus.

https://doi.org/10.1590/abd1806-4841.20174580 739 downloads

14.

Stocks and management units of Micropogonias furnieri (Desmarest, 1823) in southwestern Atlantic
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Haimovici, Manuel

; Cardoso, Luis Gustavo

; Unpierre, Ricardo Gatto

Latin american journal of aquatic research

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nov 2016, Volume 44 N. 5 Pages 1080 - 1095

Abstract: En Es | Text: En Es | PDF: En | PDF: Es

The whitemouth croaker Micropogonias furnieri is a demersal coastal and estuarine sciaenid fish intensely exploited by small and large scale fisheries in Brazil, Uruguay and Argentina between 22° and 40°S. To study the stocks structure of the whitemouth croaker along southeastern (SEB) and southern Brazil (SB) between 22°28' and 33°53'S, morphometric, meristic and growth data were collected during a bottom trawl survey. Consistent differences between different latitudes were not observed neither for the univariate comparisons of the number of gill rakers and dorsal and pectoral fin rays nor for five morphometric measurements. A principal component analysis of the five morphometric measures did not show a geographical grouping pattern. However, the age structure and growth differed significantly between south and north of Cape Santa Marta Grande (29°S). Former references and this study support the existence of two independent stocks of whitemouth croaker in southeastern and southern Brazil and diverse published studies indicate some degree of mixture between fishes spawning along southern Brazil, Uruguay and Argentina. In terms of access of the fleets there are three jurisdictions: along SB and SEB, where only Brazilian boats fish, in the common fishery zone of Uruguay and Argentina where both countries fish and south of 39°S, where only Argentinian boats can fish but where the whitemouth croaker is not an important target. Efficient management requires the identification of management units based in stocks structure, life history, distribution of the fisheries and jurisdictions. When all these factors are taken into account, excluding local coastal small scale fisheries management, three geographical management units were identified in the shared waters of Argentinian and Uruguayan waters, southern Brazil and southeastern Brazil.

La corvina Micropogonias furnieri es un pez demersal costero y estuarino de la familia Sciaenidae abundante e intensamente explotado por flotas costeras e industriales entre el sureste de Brasil (22°S) y el norte de Argentina (40°S). Para el estudio de la estructura de los stocks de la corvina blanca a lo largo del sureste y sur de Brasil, se obtuvieron datos morfométricos, merísticos y de crecimiento a lo largo de la costa sur (SB) y sudeste (SEB) de Brasil entre las latitudes 22°28'S y 33°53'S. No se encontraron diferencias significativas entre las diferentes latitudes de pesca en el número de radios branquiales, rayos de las aletas dorsal y pectoral, ni para las cinco medidas morfométricas. El análisis de componentes principales de las cinco mediciones morfométricas no mostró un patrón de agrupación geográfica. Sin embargo, la estructura de edad y crecimiento difirió significativamente entre el sur y norte del Cabo Santa Marta Grande (29°S). Estudios recientes y el presente estudio indican la existencia de dos stocks independientes de la corvina en el sur y sudeste de Brasil y diversos estudios publicados indican algún grado de mezcla entre los peces que se reproducen a lo largo del sur de Brasil, Uruguay y Argentina En términos de acceso de la flota existen tres jurisdicciones: a lo largo del SB y SEB, donde solo pescan embarcaciones brasileñas; en la zona común de Uruguay y Argentina donde barcos de ambos países pescan al sur de los 39°S y donde las embarcaciones argentinas pueden pescar, pero la corvina es menos abundante. Un manejo eficiente de estas pesquerías requiere la identificación de las unidades de manejo basadas en la estructura del stock, ciclo de vida, distribución de las pesquerías y jurisdicciones. Cuando se consideran todos estos factores, excluyendo medidas locales de manejo de la pesca de pequeña escala, se identifican tres unidades geográficas de manejo en aguas compartidas de Argentina y Uruguay, sur de Brasil y sudeste de Brasil.

https://doi.org/10.3856/vol44-issue5-fulltext-18 528 downloads

15.

Gillnet selectivity for whitemouth croaker (Micropogonias furnieri) from southeastern and southern Brazil
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Queirolo, Dante

; Pio, Vanessa Mafra

; Pezzuto, Paulo Ricardo

; Ávila-da-Silva, Antônio O

; Haimovici, Manuel

; Cardoso, Luis Gustavo

Latin american journal of aquatic research

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nov 2016, Volume 44 N. 5 Pages 975 - 984

Abstract: En Es | Text: En Es | PDF: En | PDF: Es

The whitemouth croaker is one of the most important demersal resources of southeast and southern Brazil, and it is caught mostly by bottom gillnets. This fishing system has the advantage of a unimodal distribution of size selectivity, where the optimum length corresponds to the mode of the distribution. This study is aimed to calculate the selection factor of gillnets from fishery studies and monitoring programs, and to estimate a generic curve that represents the retention size probability of the most commonly used mesh sizes for catching whitemouth croaker. Data on capture frequencies using 70, 90, 100, 110, 120, and 130 mm mesh were obtained from the states of São Paulo, Santa Catarina and Rio Grande do Sul between 1998 and 2012. The selection factor calculated corresponds to 3.73. Based on the general equation of retention size, we estimated a modal length of 261 mm for the 70 mm mesh, 336 mm for the 90 mm mesh, 373 mm for the 100 mm mesh, 411 mm for the 110 mm mesh, 448 mm for the 120 mm mesh and 485 mm for the 130 mm mesh. The modal lengths estimated in this study were consistent with previous estimations obtained by experimental approach. We discuss the appropriate mesh sizes with respect to the biology of the species, along with the possibility of considering gillnet selectivity to improve fishery catch.

La corvina es una de los recursos demersales más importantes del sureste y sur de Brasil, mayormente capturado con redes de enmalle de fondo. Este sistema de pesca tiene la ventaja de permitir una distribución unimodal de la selectividad de tamaños, donde la longitud óptima corresponde aproximadamente a la moda de la distribución. Este estudio tuvo por objetivo calcular el factor de selección de redes de enmalle a partir de estudios pesqueros y programas de monitoreo, y estimar una curva genérica que represente la probabilidad de retención por tallas para los tamaños de malla comúnmente usados para la captura de corvina. Los datos de frecuencias de captura usando mallas de 70, 90, 100, 110, 120 y 130 mm fueron registrados en los estados de São Paulo, Santa Catarina y Rio Grande do Sul entre 1998 y 2012. El factor de selección calculado correspondió a 3,73. En base a la ecuación general de retención a la talla, se estimó una longitud modal de 261 mm para la malla de 70 mm, 336 mm para la malla de 90 mm, 373 mm para la malla de 100 mm, 411 mm para la malla de 110 mm, 448 mm para la malla de 120 mm y 485 mm para la malla de 130 mm. Las estimaciones obtenidas en este trabajo son consistentes con las longitudes modales previamente estimadas mediante una aproximación experimental. Se discute acerca de los tamaños de malla apropiados respecto a la biología de la especie, junto con la posibilidad de considerar la selectividad de las redes de enmalle para mejorar el rendimiento pesquero.

https://doi.org/10.3856/vol44-issue5-fulltext-10 506 downloads

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