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RESUMEN: Este estudio tuvo como objetivo evaluar los aspectos morfológicos craneofaciales de los pacientes con síndrome de Sheehan (SHS). Se realizó un estudio observacional con 19 mujeres diagnosticadas con SHS y 19 controles asociados por edad y sexo. Se obtuvieron radiografías cefalométricas laterales y se analizaron 30 medidas lineales y angulares mediante el software Radiocef Studio 2. La edad media de los pacientes fue de 65,47 ± 10,19 años. Los principales hallazgos fueron proposición maxilar (52,63 %) y mandíbula (52,63 %) con respecto a la base del cráneo, prognatismo mandibular en 73,68 %, patrón de crecimiento profundo en 42,1 %, aumento del plano mandibular en 36,84 % y reducción de la altura facial anterior. El grupo SHS mostró diferencias estadísticamente significativas en SNB (p=0,026), N-Me (p=0,006), longitud del paladar blando (p=0,011) y Ena-Me (p<0,001) en comparación con los controles. El análisis de la puntuación de la desviación estándar reveló valores alterados en relación con las longitudes maxilares y mandibulares totales. El SHS mostró una morfología craneofacial alterada, caracterizada por prognatismo maxilomandibular, tipo braquifacial, aumento del plano mandibular y reducción de la longitud del velo del paladar. Este estudio informa hallazgos novedosos en SHS.

ABSTRACT: This study aimed to assess the craniofacial morphologic aspects of Sheehan’s syndrome (SHS) patients.An observational study was performed with 19 women diagnosed with SHS and 19 controls matched by age and sex. Lateral cephalometric radiographs were obtained, and 30 linear and angular measurements were analyzed using the Radiocef Studio 2 software. The mean age of patients was 65.47 ± 10.19 years. The main findings were propositioned maxilla (52.63 %) and mandible (52.63 %) relative to the cranial base, mandibular prognathism in 73.68 %, deep growth pattern in 42.1 %, increased mandibular plane in 36.84 %, and reduction in anterior facial height. The SHS group showed statistically significant differences in SNB (p=0.026), N-Me (p=0.006), soft palate length (p=0.011), and Ena-Me (p<0.001) in comparison with controls. The standard deviation score analysis revealed altered values in relation to total maxillary and mandibular lengths. SHS showed altered craniofacial morphology, characterized by maxillo- mandibular prognathism, brachyfacial type, increased mandibular plane, and reduction in soft palate length. This study reports novel findings in SHS.

Early Six-Minute Walk Test May Predict Midterm Outcomes Following Coronary Artery Bypass Grafting
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Pauletti, Hayanne O.

; Gomes, Walter José

; Rocco, Isadora S.

; Viceconte, Marcela

; Garcia, Bruna Caroline Matos

; Marcondi, Natasha O.

; Bublitz, Caroline B.

; Costa, Ariele dos Santos

; Paiva, Thâmara Pequeno de

; Spina, Giovanna Domingues

; Begot, Isis

; Silva, Célia Camelo

; Moreira, Rita Simone L.

; Branco, João Nelson Rodrigues

; Vargas, Guilherme Flora

; Hossne Jr., Nelson A.

; Arena, Ross

; Guizilini, Solange

Brazilian Journal of Cardiovascular Surgery

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2023, Volume 38 N. 4 elocation e20220459

Abstract: En | Text: En | PDF: En

ABSTRACT Objective: This study aims to investigate the ability of the six-minute walk distance (6MWD) as a prognostic marker for midterm clinical outcomes three months after coronary artery bypass grafting (CABG), to identify possible predictors of fall in 6MWD in the early postoperative period, and to establish the percentage fall in early postoperative 6MWD, considering the preoperative baseline as 100%. Methods: A prospective cohort of patients undergoing elective CABG were included. The percentage fall in 6MWD was assessed by the difference between preoperative and postoperative day (POD) five. Clinical outcomes were evaluated three months after hospital discharge. Results: There was a significant decrease in 6MWD on POD5 compared with preoperative baseline values (percentage fall of 32.5±16.5%, P<0.0001). Linear regression analysis showed an independent association of the percentage fall of 6MWD with cardiopulmonary bypass (CPB) and preoperative inspiratory muscle strength. Receiver operating characteristic curve analysis revealed that the best cutoff value of percentage fall in 6MWD to predict poorer clinical outcomes at three months was 34.6% (area under the curve = 0.82, sensitivity = 78.95%, specificity = 76.19%, P=0.0001). Conclusion: This study indicates that a cutoff value of 34.6% in percentage fall of 6MWD on POD5 was able to predict poorer clinical outcomes at three months of follow-up after CABG. Use of CPB and preoperative inspiratory muscle strength were independent predictors of percentage fall of 6MWD in the postoperative period. These findings further support the clinical application of 6MWD and propose an inpatient preventive strategy to guide clinical management over time.

https://doi.org/10.21470/1678-9741-2022-0459

Early Six-Minute Walk Test May Predict Midterm Outcomes Following Coronary Artery Bypass Grafting
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Pauletti, Hayanne O.

; Gomes, Walter José

; Rocco, Isadora S.

; Viceconte, Marcela

; Garcia, Bruna Caroline Matos

; Marcondi, Natasha O.

; Bublitz, Caroline B.

; Costa, Ariele dos Santos

; Paiva, Thâmara Pequeno de

; Spina, Giovanna Domingues

; Begot, Isis

; Silva, Célia Camelo

; Moreira, Rita Simone L.

; Branco, João Nelson Rodrigues

; Vargas, Guilherme Flora

; Hossne Jr., Nelson A.

; Arena, Ross

; Guizilini, Solange

Brazilian Journal of Cardiovascular Surgery

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2023, Volume 38 N. 4 elocation e20220459

Abstract: En | Text: En | PDF: En

https://doi.org/10.21470/1678-9741-2022-0459

In vitro conservation of ‘Florida Rough’ lemon plants
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Carvalho, Mariane de Jesus da Silva de

; Souza, Antônio da Silva

; Santos, Emanuela Barbosa

; Soares Filho, Walter dos Santos

; Ledo, Carlos Alberto da Silva

; Costa, Eva Maria Rodrigues

; Souza, Fernanda Vidigal Duarte

Ciência Rural

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2022, Volume 52 N. 12 elocation e20210276

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

RESUMO: O estabelecimento de condições de crescimento mínimo é fundamental para a conservação in vitro de germoplasma. Alterações nas concentrações do meio básico, na fonte de carbono, são fatores importantes na desaceleração do crescimento de plantas in vitro. Este trabalho teve como objetivo ajustar um protocolo de conservação in vitro de plantas do limoeiro ‘Rugoso da Flórida’. Microestacas de plantas previamente cultivadas in vitro, com aproximadamente 1 cm, foram inoculadas em tubos de ensaio contendo 10 mL do meio de cultura WPM em diferentes concentrações (1/1, 1/2 e 1/4), suplementado com 0; 12,5; 25 e 50 g.L-1 de sacarose, solidificado com 7 g.L-1 de ágar e o pH ajustado em 5,8. O experimento foi instalado em delineamento inteiramente casualizado com 15 repetições, em esquema fatorial 3 x 4, e mantido sob condições controladas durante 360 dias. Após este período, foram avaliadas altura de planta em cm (AP), número de folhas verdes (NFV), número de folhas senescentes (NFS), número de microestacas (NM) e massa da planta seca em g (MPS). As variáveis que mais contribuíram para explicar a diferença existente no comportamento das plantas do limoeiro ‘Rugoso da Flórida’ no meio de cultura WPM foram NFV e AP com 61,63 e 35,08%, respectivamente. O meio de cultura WPM na sua concentração original com a adição de 25 g.L-1 de sacarose promoveu os melhores resultados na redução do crescimento das plantas in vitro do limoeiro ‘Rugoso da Flórida’, mantendo-as fisiologicamente sadias.

ABSTRACT: The establishment of minimum growth conditions is essential for in vitro germplasm conservation. Changes to the basic medium and carbon source concentrations are important factors for reducing plant growth in vitro. This study adjusted a protocol for the in vitro conservation of ‘Florida Rough’ lemon plants. Microcuttings (approximately 1 cm) from plants that were previously cultivated in vitro were inoculated into test tubes with 10 mL of woody plant medium (WPM) at different concentrations (1/1, 1/2 and 1/4) and supplemented with 0, 12.5, 25 and 50 g.L-1 of sucrose, solidified with 7 g.L-1 agar and adjusted to pH 5.8. The experiment was completely randomized in a 3 x 4 factorial design with 15 replications and was maintained under controlled conditions for 360 days. After this period the plant height in cm (PH), the plant dry mass in g (PDM) and the 21 numbers of green leaves (NGL), senescent leaves (NSL) and microcuttings (NM) were evaluated. The variables that best explained the observed behavior of the ‘Florida Rough’ lemon plants were NGL and PH, with values of 61.63 and 35.08%, respectively. The original concentration of the WPM with the addition of 25 g. L-1 of sucrose yielded the best ‘Florida Rough’ lemon plant growth reduction in vitro while maintaining the physiologically health of the plants.

https://doi.org/10.1590/0103-8478cr20210276

SARS-CoV-2 reinfection caused by the P.1 lineage in Araraquara city, Sao Paulo State, Brazil
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Romano, Camila Malta

; Felix, Alvina Clara

; Paula, Anderson Vicente de

; Jesus, Jaqueline Góes de

; Andrade, Pamela S.

; Cândido, Darlan

; Oliveira, Franciane M. de

; Ribeiro, Andreia C.

; Silva, Francini C. da

; Inemami, Marta

; Costa, Angela Aparecida

; Leal, Cibele O. D.

; Figueiredo, Walter Manso

; Pannuti, Claudio Sergio

; Souza, William M. de

; Faria, Nuno Rodrigues

; Sabino, Ester Cerdeira

Revista do Instituto de Medicina Tropical de São Paulo

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2021, Volume 63 elocation e36

Abstract: En | Text: En | PDF: En

ABSTRACT Reinfection by the severe acute respiratory syndrome coronavirus type 2 (SARS-COV-2) has been reported in many countries, suggesting that the virus may continue to circulate among humans despite the possibility of local herd immunity due to massive previous infections. The emergence of variants of concern (VOC) that are more transmissible than the previous circulating ones has raised particular concerns on the vaccines effectiveness and reinfection rates. The P.1 lineage was first identified in December 2020 in Manaus city and is now globally spread. We report the first case of reinfection of SARS-CoV-2 caused by the P.1 variant outside of Manaus. The potential of these new variants to escape naturally and vaccine- induced immunity highlights the need for a global vigilance.

https://doi.org/10.1590/s1678-9946202163036 1125 downloads

Reciclagem de borracha de pneu e resíduo de concreteira na produção de tijolos de concreto: dosagem e otimização
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Pereira, Ruvier Rodrigues

; Paula, Heber Martins de

; Bonfim, Walter Batista

; Silva, Iandra de Almeida Corrêa e

; Pinto, Henrique Senna Diniz

Matéria (Rio de Janeiro)

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2021, Volume 26 N. 3 elocation e13027

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

RESUMO O volume de resíduos sólidos produzido vem aumentando de modo desordenado e prejudicial à natureza, uma vez que não são dados a ele fins adequados. Como resíduos passíveis de utilização na fabricação de tijolos de concreto tem-se a borracha de pneus, grande causadora de problemas ambientais, e o resíduo cimentício gerado em usinas de concreto, denominado de Lama Residual do Concreto (LRC). O objetivo geral deste estudo foi determinar um traço de concreto para produção de tijolos que contivesse maiores porcentagens de resíduos de usinas de concreto e de borracha de pneu, conjuntamente. Para tanto, foi utilizado o Delineamento Composto Central Rotacional como planejamento experimental e os dados avaliados via Metodologia de Superfície de Resposta, sendo o granulado de borracha em substituição ao agregado e a lama residual do concreto seca (LRC-S) substituindo o cimento. Foram realizados a caracterização físico-química dos agregados, ensaio de resistência à compressão e absorção de água dos tijolos. Os resultados mostraram que é viável utilizar a LRC-S e o granulado de borracha de pneu, obtendo um traço ótimo que apresenta resistência à compressão de 7,9 MPa e 8,8% de absorção de água, atendendo o limite de 3 MPa de resistência à compressão e 10% de absorção de água da ABNT NBR 6136 de 2014. O traço ótimo foi produzido com 4% de borracha e 15% de LRC-S, em substituição ao agregado e ao cimento, respectivamente. Ressalta-se que quanto maior a porcentagem de borracha, menor será a resistência à compressão e maior será a absorção de água, sendo que o limite de substituição da borracha é dependente do agregado empregado, das condições de moldagem e do traço utilizado.

ABSTRACT The volume of solid waste produced has been increasing in a disorderly and damaging way to nature, since it is not given adequate purposes. As waste that can be used in the manufacture of concrete bricks, there is tire rubber, a major cause of environmental problems, and the cementitious waste generated in concrete plants, called Concrete Sludge Waste (CSW). The general objective of this study will then be to determine a concrete mix for brick production that contains higher percentages of concrete sludge waste and tire rubber granulate, together. For this purpose, the Central Composite Delineation of Rotational was used as experimental planning and the data evaluated via Response Surface Methodology, with the waste tire rubber granulate replacing the aggregate and the Concrete Sludge Waste in its dry state (CSW-S) to the cement. The physical-chemical characterization of the aggregates, compressive strength and water absorption of the bricks were carried out. The results showed that it is feasible to use the CSW-S and the waste tire rubber granulate, obtaining an optimal trace that presents compressive strength of 7.9 MPa and 8.8% of water absorption, meeting the limit of 3 MPa of compressive strength and 10% water absorption of ABNT NBR 6136:2014. The optimum line was produced with 4% rubber and 15% LRC-S, replacing aggregate and cement, respectively. It is noteworthy that the higher the percentage of rubber, the lower the resistance to compression and the greater the water absorption, being that the limit of replacement of the rubber depends on the aggregate used, the molding conditions and the line used.

https://doi.org/10.1590/s1517-707620210003.13027 84 downloads

Factors associated with Leishmania infection in dogs and geospatial analysis in the Sertão of Paraíba, Northeast Brazil
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Braz, Beatriz Maria de Almeida

; Leite, Denny Parente de Sá Barreto Maia

; Silva, Raizza Barros Sousa

; Silva, Maria Luana Cristiny Rodrigues da

; Azevedo, Ana Clara de França Silva

; Martins Filho, Erotides

; Ramalho, Walter Massa

; Melo, Marcia Almeida de

Revista Brasileira de Parasitologia Veterinária

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2021, Volume 30 N. 2 elocation e023620

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

Resumo A leishmaniose visceral (LV) é uma zoonose com distribuição mundial de grande impacto na saúde pública. O objetivo deste estudo foi verificar a prevalência da infecção canina por Leishmania infantum, os fatores associados à infecção e sua distribuição espacial no município de Mãe D’Água, na região do Sertão da Paraíba, Nordeste do Brasil. Amostras de sangue foram coletadas de 150 cães para diagnóstico pelos ensaios DPP®, ELISA-S7®, ELISA-EIE® e qPCR. A prevalência foi calculada considerando-se a positividade em pelo menos dois testes. O SaTScan® foi utilizado para a análise espacial. A prevalência da infecção canina com Leishmania foi de 18,6% (28/150), sendo a zona rural identificada como fator de risco (Odds Ratio (OR) = 2,93). A permanência do cão solto durante a noite (OR = 0,33) e a vermifugação (OR = 0,30) foram classificadas como fatores de proteção. Um cluster de risco foi formado na região Norte da área urbana. Mãe D’Água apresentou um padrão de transmissão ativa na área rural, porém medidas de controle da LVC também precisam ser realizadas na área urbana para evitar casos humanos e a dispersão da doença na zona de risco.

Abstract Visceral leishmaniasis (VL) is a zoonosis with a worldwide distribution that has a major impact on public health. The aim of this study was to verify the prevalence of canine infection by Leishmania infantum, the factors associated with the infection and its spatial distribution in the municipality of Mãe D’Água, in the Sertão region of Paraíba State, Northeast Brazil. Blood samples were collected from 150 dogs for diagnosis by the DPP®, ELISA-S7®, ELISA-EIE® and qPCR assays. The prevalence was calculated considering the positivity in at least two tests. SaTScan® was used for spatial analysis. The prevalence of canine infection with Leishmania was 18.6% (28/150), with the rural area being identified as a risk factor (Odds Ratio (OR) = 2.93). The permanence of the dog loose during the night (OR = 0.33) and deworming (OR = 0.30) were identified as protective factors. A risk cluster was formed in the northern region of the urban area. Mãe D’Água showed a pattern of active transmission in the rural area, but VL control measures also need to be carried out in the urban area to prevent human cases and the spread of the disease in the risk zone.

https://doi.org/10.1590/s1984-29612021047 257 downloads

Infrared thermography and feeding behavior of lambs fed increasing levels of safflower grains
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Ferreira, Mateus Silva

; Goes, Rafael Henrique de Tonissi e Buschinelli de

; Martinez, Antonio Campanha

; Gandra, Jefferson Rodrigues

; Gonçales Junior, Walter Antonio

; Bega, Amanda Maristela

; Silva, Luan Sitó da

; Paz, Jessica Priscila da

Revista Brasileira de Saúde e Produção Animal

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2020, Volume 21 elocation e2121232020

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

RESUMO Objetivou-se avaliar o comportamento alimentar, respostas fisiológicas e emissão de calor ruminal, de cordeiros alimentados com grãos de cártamo. Dezoito cordeiros foram distribuídos aleatoriamente em delineamento inteiramente casualisado. O grão de cártamo foi adicionado as dietas nas proporções de 0,0; 7,5 e 15%. O grão de cártamo não alterou os padrões de alimentação, ócio ou ruminação; porém melhorou a eficiência de ingestão da FDN, em 26%. A temperatura da cabeça reduziu 1,5°C para a inclusão de 7,5% de cártamo; e a temperatura retal diminuiu quadraticamente com a adição de cártamo (39,5 vs. 39,08°C). Houve uma tendência linear de diminuição da temperatura da cabeça à medida que a inclusão de cártamo aumentou. A temperatura do globo ocular diminuiu 1,1°C quando 7,5% de MS de cártamo foi adicionado na dieta e voltou a aumentar 0,6°C quando 15% de cártamo foi adicionado. A temperatura ruminal aumentou linearmente para a adição de cártamo (1,8°C). O cártamo melhora a eficiência de utilização da FDN e a inclusão de 15% de cártamo pode ser utilizado sem efeitos sobre o comportamento ingestivo. As áreas da cabeça, do olho e flanco esquerdo podem ser usadas, no entanto, o flanco esquerdo parece ser a melhor região para esse tipo de estudo. A termografia infravermelha pode ser útil como avaliação não invasiva de dietas em cordeiros.

ABSTRACT The objective was to evaluate the feeding behavior, physiological responses, and rumen heat emission of lambs fed with safflower grains. Eighteen lambs were randomly distributed in a completely randomized design. Safflower grain was added to the diets in the proportions of 0.0; 7.5 and 15%. The safflower grain did not change the patterns of eating, leisure, or rumination; however, it improved the efficiency of NDF ingestion, by 26%. The head temperature decreased by 1.5 ° C to include 7.5% safflower; and the rectal temperature decreased quadratically with the addition of safflower (39.5 and. 39.08 ° C). There was a linear trend of decreasing head temperature as the inclusion of safflower increased. The temperature of the eyeball decreased by 1.1 ° C when 7.5% of safflower DM was added to the diet and increased by 0.6 ° C when a 15% safflower was added. The ruminal temperature increased linearly for the addition of safflower (1.8 ° C). Safflower improves the efficiency of the use of NDF and the inclusion of 15% safflower can be used without effects on ingestive behavior. The head, eye, and left flank areas can be used; however, the left flank appears to be the best region for this type of study. Infrared thermography can be useful as a non-invasive assessment of lambs' diets.

https://doi.org/10.1590/s1519-99402121232020 337 downloads

Compatibility and horticultural performance of Pera sweet orange clones grafted to Swingle citrumelo rootstock
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Fadel, André Luiz

; Stuchi, Eduardo Sanches

; Silva, Simone Rodrigues da

; Parolin, Luiz Gustavo

; Oliveira, Carolina Rossi de

; Müller, Gerd Walter

; Donadio, Luiz Carlos

Bragantia

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dec 2019, Volume 78 N. 4 Pages 564 - 572

Abstract: En | Text: En | PDF: En

ABSTRACT Despite its interesting agricultural traits, Swingle citrumelo (Citrus paradisi Macfad. ‘Duncan’ × Poncirus trifoliata L. Raf.) rootstock exhibits severe incompatibility when grafted with Pera sweet orange [Citrus sinensis (L.) Osb.] scions, and this fact limits its use for propagation purposes. Nonetheless, the existence of certain Pera sweet orange clones that are compatible with Swingle citrumelo represents a substantial gain for the entire citrus industry. This study investigated the compatibility between seven Pera sweet orange clones and Swingle citrumelo rootstock, regarding the presence of a necrotic line at the graft union junction, the difference in diameter between rootstock and scion, the influence of clonal cleaning by micrografting, and the horticultural performance of the selected combinations. No trees died because of grafting incompatibility, even after twenty years (trial I), except for clone CV1, or after six years and nine months (trial II) from planting. The rootstock/scion trunk diameter ratio was not related to the presence of a necrotic line in the graft-union region. Additionally, these variables did not influence fruit yield and quality, and they were not affected by clonal cleaning or pre-immunisation of the old Pera sweet orange clones.

https://doi.org/10.1590/1678-4499.20190116 844 downloads

10.

Comment on the study Coronary Artery Bypass Surgery in Brazil: Analysis of the National Reality Through the Bypass Registry that was presented at the 46th Congress of the Brazilian Society of Cardiovascular Surgery, Nova Lima, BH, Brazil, April 5 and 6, 2019
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Dallan, Luís Alberto O.

; Paez, Rodrigo Pereira

; Hossne Junior, Nelson Américo

; Santo, José Amalth do Espírito

; Berwanger, Otavio

; Santos, Renato Hideo Nakagawa

; Kalil, Renato Abdala Karam

; Jatene, Fabio B.

; Cavalcanti, Alexandre Biasi

; Zilli, Alexandre Cabral

; Bettiati Jr, Luiz Carlos

; Figueira, Fernando Augusto Marinho dos Santos

; D’Azevedo, Stephanie Steremberg Pires

; Soares, Marcelo José Ferreira

; Fernandes, Marcio Pimentel

; Ardito, Roberto Vito

; Bogdan, Renata Andrea Barberio

; Campagnucci, Valquíria Pelisser

; Nakasako, Diana

; Rodrigues, Clarissa Garcia

; Rodrigues Junior, Anilton Bezerra

; Cascudo, Marcelo Matos

; Atik, Fernando Antibas

; Lima, Elson Borges

; Nina, Vinicius José da Silva

; Heluy, Renato Albuquerque

; Azeredo, Lisandro Gonçalves

; Henrique Junior, Odilon Silva

; Mendonça, José Teles de

; Silva, Katharina Kelly de Oliveira Gama

; Pandolfo, Marcelo

; Lima Júnior, José Dantas de

; Faria, Renato Max

; Santos, Jonas Gonçalves dos

; Coelho, Guilherme Henrique Biachi

; Pereira, Sergio Nunes

; Senger, Roberta

; Buffolo, Enio

; Caputi, Guido Marco

; Oliveira, Juliana Aparecida Borges de

; Gomes, Walter J.

Brazilian Journal of Cardiovascular Surgery

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aug 2019, Volume 34 N. 4 Pages 504 - 506

Abstract: En | Text: En | PDF: En

https://doi.org/10.21470/1678-9741-2019-0606 335 downloads

11.

ACUTE EFFECT OF DIFFERENT TYPES OF EXERCISE ON NATRIURETIC PEPTIDES OF WISTAR RATS
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Pianca, Eduardo Vitor

; Krause Neto, Walter

; Silva, Alexandre Sabbag da

; Gama, Eliane Florencio

; Souza, Romeu Rodrigues de

Revista Brasileira de Medicina do Esporte

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aug 2019, Volume 25 N. 4 Pages 310 - 315

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

RESUMO Introdução: O estudo dos efeitos de diferentes tipos de exercício físico na fisiologia cardiovascular está aumentando na literatura. Os muitos mecanismos de controle hemodinâmico incluem a liberação atrial de peptídeos natriuréticos. Embora amplas evidências demonstrem seus efeitos agudos e o aumento na sua concentração plasmática, não se sabe se ambos os átrios respondem de maneira semelhante aos dois tipos de peptídeos natriuréticos em resposta a diferentes tipos de exercício. Objetivo: Comparar as respostas agudas de diferentes tipos de exercícios nos peptídeos natriuréticos atrial (ANP) e cerebral (BNP) de ambos os cardiomiócitos atriais dos ratos Wistar. Métodos: Os animais foram divididos em: controle (GC), aeróbico (GA), resistência (GR) e combinado (GAR). O GR realizou seis escaladas com uma carga equivalente a 60% do peso corporal. O GA correu em esteira a uma velocidade de 12 m/min durante 60 minutos. O exercício do GAR consistiu em subir a escada três vezes consecutivas, seguido de 30 minutos de corrida. Resultados: Primeiro, o átrio direito liberou mais ANP e BNP durante todos os tipos de exercícios; Segundo, o exercício de resistência liberou mais ANP e BNP em ambos os átrios; Terceiro, no átrio direito, os exercícios aeróbicos e combinados liberaram mais grânulos de ANP pequenos e médios, enquanto o exercício de resistência liberou grânulos maiores de BNP; e, quarto, no átrio esquerdo, o exercício aeróbico liberou mais grânulos de ANP, enquanto os exercícios de resistência e combinados liberaram grânulos maiores de ANP e BNP. Conclusão: Todos os tipos de exercício induzem a uma liberação parcial dos grânulos de peptídeos natriuréticos com maior resposta ao exercício de resistência. Além disso, foi possível verificar uma resposta particular e diferente em ambos os tipos de átrios na liberação de ANP e BNP. Nível de evidência II - Estudos terapêuticos – Investigação dos resultados do tratamento.

ABSTRACT Introduction: The study of the effects of different types of physical exercise on cardiovascular physiology is increasing in the literature. The many mechanisms of hemodynamic control include the atrial release of natriuretic peptides. Although extensive evidence demonstrates their acute effects and the increase in their plasma concentration, it is not known whether both atria respond in a similar way to both types of natriuretic peptide in response to different types of exercise. Objective: To compare the acute responses of different exercise types in the atrial (ANP) and brain (BNP) natriuretic peptides of both atrial cardiomyocytes of Wistar rats. Methods: Animals were divided into control (CG), aerobic (AG), resistance (RG) and combined (ARG). The RG performed six climbs, with a load equivalent to 60% of body weight. The AG ran on a treadmill at a speed of 12m/min for 60 minutes. The ARG exercise consisted of three consecutive ladder climbs, followed by 30 minutes of running. Results: First, the right atrium released more ANP and BNP during all types of exercise; second, the resistance exercise released the most ANP and BNP in both atria; third, in the right atrium, aerobic and combined workouts released more small and medium ANP granules while resistance exercise released larger BNP granules; and fourth, in the left atrium, aerobic exercise released more ANP granules while resistance and combined exercise released larger ANP and BNP granules. Conclusion: All types of exercise induce partial release of natriuretic peptide granules, with greater response to resistance exercise. Furthermore, a particular and different response could be seen in both types of atria in the release of ANP and BNP. Level of evidence II; Therapeutic studies - Investigation of treatment results.

RESUMEN Introducción: El estudio de los efectos de diferentes tipos de ejercicio físico en la fisiología cardiovascular está aumentando en la literatura. Los muchos mecanismos de control hemodinámico incluyen la liberación atrial de péptidos natriuréticos. Aunque amplias evidencias demuestren sus efectos agudos y el aumento en su concentración plasmática, no se sabe si ambos atrios responden de manera semejante a los dos tipos de péptidos natriuréticos en respuesta a diferentes tipos de ejercicio. Objetivo: Comparar las respuestas agudas de diferentes tipos de ejercicios en los péptidos natriuréticos atrial (ANP) y cerebral (BNP) de ambos cardiomiocitos atriales de ratas Wistar. Métodos: Los animales fueron divididos en: control (GC), aeróbico (GA), resistencia (GR) y combinado (GAR). El GR realizó seis escaladas con una carga equivalente a 60% del peso corporal. El GA corrió en cinta a una velocidad de 12 m/ min durante 60 minutos. El ejercicio del GAR consistió en subir la escalera tres veces consecutivas, seguido de 30 minutos de carrera. Resultados: Primero, el atrio derecho liberó más ANP y BNP durante todos los tipos de ejercicio; segundo, el ejercicio de resistencia liberó más ANP y BNP en ambos atrios; tercero, en el atrio derecho, los ejercicios aeróbicos y combinados liberaron más gránulos de ANP pequeños y medianos, mientras que el ejercicio de resistencia liberó granos mayores de BNP; y cuarto, en el atrio izquierdo, el ejercicio aeróbico liberó más gránulos de ANP, mientras que los ejercicios de resistencia y combinado liberaron gránulos mayores de ANP y BNP. Conclusión: Todos los tipos de ejercicio inducen una liberación parcial de los gránulos de péptidos natriuréticos con mayor respuesta al ejercicio de resistencia. Además, fue posible verificar una respuesta particular y diferente en ambos tipos de atrios en la liberación de ANP y BNP. Nivel de evidencia II - Estudios terapéuticos - Investigación de los resultados del tratamiento.

https://doi.org/10.1590/1517-869220192504214335 1164 downloads

12.

Coronary Artery Bypass Surgery in Brazil: Analysis of the National Reality Through the BYPASS Registry
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Paez, Rodrigo Pereira

; Hossne Junior, Nelson Américo

; Santo, José Amalth do Espírito

; Berwanger, Otavio

; Santos, Renato Hideo Nakagawa

; Kalil, Renato Abdala Karam

; Jatene, Fabio B.

; Cavalcanti, Alexandre Biasi

; Zilli, Alexandre Cabral

; Bettiati Jr, Luiz Carlos

; Figueira, Fernando Augusto Marinho dos Santos

; D'Azevedo, Stephanie Steremberg Pires

; Soares, Marcelo José Ferreira

; Fernandes, Marcio Pimentel

; Ardito, Roberto Vito

; Bogdan, Renata Andrea Barberio

; Campagnucci, Valquíria Pelisser

; Nakasako, Diana

; Rodrigues, Clarissa Garcia

; Rodrigues Junior, Anilton Bezerra

; Cascudo, Marcelo Matos

; Atik, Fernando Antibas

; Lima, Elson Borges

; Nina, Vinicius José da Silva

; Heluy, Renato Albuquerque

; Azeredo, Lisandro Gonçalves

; Henrique Junior, Odilon Silva

; Mendonça, José Teles de

; Silva, Katharina Kelly de Oliveira Gama

; Pandolfo, Marcelo

; Lima Júnior, José Dantas de

; Faria, Renato Max

; Santos, Jonas Gonçalves dos

; Coelho, Guilherme Henrique Biachi

; Pereira, Sergio Nunes

; Senger, Roberta

; Buffolo, Enio

; Caputi, Guido Marco

; Oliveira, Juliana Aparecida Borges de

; Gomes, Walter J.

Brazilian Journal of Cardiovascular Surgery

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apr 2019, Volume 34 N. 2 Pages 142 - 148

Abstract: En | Text: En | PDF: En

Abstract Introduction: Coronary artery bypass grafting (CABG) is the most frequently performed heart surgery in Brazil. Recent international guidelines recommend that national societies establish a database on the practice and results of CABG. In anticipation of the recommendation, the BYPASS Registry was introduced in 2015. Objective: To analyze the profile, risk factors and outcomes of patients undergoing CABG in Brazil, as well as to examine the predominant surgical strategy, based on the data included in the BYPASS Registry. Methods: A cross-sectional study of 2292 patients undergoing CABG surgery and cataloged in the BYPASS Registry up to November 2018. Demographic data, clinical presentation, operative variables, and postoperative hospital outcomes were analyzed. Results: Patients referred to CABG in Brazil are predominantly male (71%), with prior myocardial infarction in 41.1% of cases, diabetes in 42.5%, and ejection fraction lower than 40% in 9.7%. The Heart Team indicated surgery in 32.9% of the cases. Most of the patients underwent cardiopulmonary bypass (87%), and cardioplegia was the strategy of myocardial protection chosen in 95.2% of the cases. The left internal thoracic artery was used as a graft in 91% of the cases; the right internal thoracic artery, in 5.6%; and the radial artery in 1.1%. The saphenous vein graft was used in 84.1% of the patients, being the only graft employed in 7.7% of the patients. The median number of coronary vessels treated was 3. Operative mortality was 2.8%, and the incidence of cerebrovascular accident was 1.2%. Conclusion: CABG data in Brazil provided by the BYPASS Registry analysis are representative of our national reality and practice. This database constitutes an important reference for indications and comparisons of therapeutic procedures, as well as to propose subsequent models to improve patient safety and the quality of surgical practice in the country.

https://doi.org/10.21470/1678-9741-2018-0313 1270 downloads

13.

Antiretroviral therapy-induced paradoxical worsening of previously healed Mycobacterium haemophilum cutaneous lesions in advanced HIV infection
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Eyer-Silva, Walter de Araujo

; Almeida, Marina Rodrigues de

; Martins, Carlos José

; Basílio-de-Oliveira, Rodrigo Panno

; Araujo, Luciana Ferreira de

; Basílio-de-Oliveira, Carlos Alberto

; Azevedo, Marcelo Costa Velho Mendes de

; Pinto, Jorge Francisco da Cunha

; Vasconcellos, Sidra Ezidio Gonçalves

; Rodrigues-dos-Santos, Ícaro

; MagdinierGomes, Harrison

; Suffys, Philip Noel

Revista do Instituto de Medicina Tropical de São Paulo

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2019, Volume 61 elocation e71

Abstract: En | Text: En | PDF: En

ABSTRACT Mycobacterium haemophilum is a nontuberculous mycobacterium that causes localized or disseminated disease, mainly in immunocompromised hosts. We report the case of a 35-year-old HIV-infected woman who presented with several enlarging cutaneous lesions over the arms and legs. Histopathological examination revealed the diagnosis of a cutaneous mycobacterial disease. Mycobacterial analyses unveiled M. haemophilum infection. Six months after completion of a successful antimycobacterial treatment, she developed an immune reconstitution inflammatory syndrome (IRIS). This paradoxical relapse presented as tenderness, redness and swelling at the precise sites of the healed lesions and took place in the setting of significant recovery of the CD4 cell count (from 05 to 318 cells/mm 3 ). Microbiological analyses of these worsening lesions were negative, and they spontaneously remitted without the initiation of a novel antimycobacterial treatment cycle. M. haemophilum infection should always be considered as a cause of skin lesions in immunocompromised subjects. Physicians should be aware of the possibility of IRIS as a complication of successful antiretroviral therapy in HIV-infected patients with M. haemophilum infection.

https://doi.org/10.1590/s1678-9946201961071 412 downloads

14.

The Brazilian Registry of Adult Patient Undergoing Cardiovascular Surgery, the BYPASS Project: Results of the First 1,722 Patients
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Gomes, Walter J.

; Moreira, Rita Simone

; Zilli, Alexandre Cabral

; Bettiati Jr, Luiz Carlos

; Figueira, Fernando Augusto Marinho dos Santos

; D' Azevedo, Stephanie Steremberg Pires

; Soares, Marcelo José Ferreira

; Fernandes, Marcio Pimentel

; Ardito, Roberto Vito

; Bogdan, Renata Andrea Barberio

; Campagnucci, Valquíria Pelisser

; Nakasako, Diana

; Kalil, Renato Abdala Karam

; Rodrigues, Clarissa Garcia

; Rodrigues Junior, Anilton Bezerra

; Cascudo, Marcelo Matos

; Atik, Fernando Antibas

; Lima, Elson Borges

; Nina, Vinicius José da Silva

; Heluy, Renato Albuquerque

; Azeredo, Lisandro Gonçalves

; Henrique Junior, Odilon Silva

; Mendonça, José Teles de

; Silva, Katharina Kelly de Oliveira Gama

; Pandolfo, Marcelo

; Lima Júnior, José Dantas de

; Faria, Renato Max

; Santos, Jonas Gonçalves dos

; Paez, Rodrigo Pereira

; Coelho, Guilherme Henrique Biachi

; Pereira, Sergio Nunes

; Senger, Roberta

; Buffolo, Enio

; Caputi, Guido Marco

; Santo, José Amalth do Espírito

; Oliveira, Juliana Aparecida Borges de

; Berwanger, Otavio

; Cavalcanti, Alexandre Biasi

; Jatene, Fabio B.

Brazilian Journal of Cardiovascular Surgery

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apr 2017, Volume 32 N. 2 Pages 71 - 76

Abstract: En | Text: En | PDF: En

Abstract Objective: To report the early results of the BYPASS project - the Brazilian registrY of adult Patient undergoing cArdiovaScular Surgery - a national, observational, prospective, and longitudinal follow-up registry, aiming to chart a profile of patients undergoing cardiovascular surgery in Brazil, assessing the data harvested from the initial 1,722 patients. Methods: Data collection involved institutions throughout the whole country, comprising 17 centers in 4 regions: Southeast (8), Northeast (5), South (3), and Center-West (1). The study population consists of patients over 18 years of age, and the types of operations recorded were: coronary artery bypass graft (CABG), mitral valve, aortic valve (either conventional or transcatheter), surgical correction of atrial fibrillation, cardiac transplantation, mechanical circulatory support and congenital heart diseases in adults. Results: 83.1% of patients came from the public health system (SUS), 9.6% from the supplemental (private insurance) healthcare systems; and 7.3% from private (out-of -pocket) clinic. Male patients comprised 66%, 30% were diabetics, 46% had dyslipidemia, 28% previously sustained a myocardial infarction, and 9.4% underwent prior cardiovascular surgery. Patients underwent coronary artery bypass surgery were 54.1% and 31.5% to valve surgery, either isolated or combined. The overall postoperative mortality up to the 7th postoperative day was 4%; for CABG was 2.6%, and for valve operations, 4.4%. Conclusion: This first report outlines the consecution of the Brazilian surgical cardiac database, intended to serve primarily as a tool for providing information for clinical improvement and patient safety and constitute a basis for production of research protocols.

https://doi.org/10.21470/1678-9741-2017-0053 1883 downloads

15.

MORPHOLOGICAL ADJUSTMENTS OF THE RADIAL NERVE ARE INTENSITY-DEPENDENT
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Carbone, Patrícia Oliva

; Krause Neto, Walter

; Gama, Eliane Florencio

; Silva, Wellington de Assis

; Nobre, Thatiana Lacerda

; Caperuto, Erico Chagas

; Mascaro, Marcelo Betti

; Souza, Romeu Rodrigues de

Revista Brasileira de Medicina do Esporte

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feb 2017, Volume 23 N. 1 Pages 55 - 59

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

RESUMO Introdução: A adaptação dos nervos periféricos é fundamental para ganhos de força. No entanto, as informações relativas aos efeitos da intensidade sobre a morfologia do nervo são escassas. Objetivo: Comparar os efeitos de diferentes intensidades de treinamento de resistência sobre estruturas do nervo radial. Métodos: Os ratos foram divididos em três grupos: controle (GC) e treinamento com 50% (GF1) e 75% (GF2) do peso corporal do animal. A análise morfológica do nervo foi feita com microscopia óptica e eletrônica de transmissão. A one-way ANOVA e o teste post hoc de Tukey foram aplicados e o nível de significância foi estabelecido em p ≤ 0,05. Resultados: Os grupos treinamento tiveram aumento de força com relação ao GC (p ≤ 0,05). Todos os componentes medidos do nervo (área média e diâmetro de fibras de mielina e axônios, área média e espessura da bainha de mielina, neurofilamentos e microtúbulos) foram maiores no GF2 em comparação com os demais (p ≤ 0,05). Conclusão: Os resultados demonstraram maiores alterações morfológicas no nervo radial depois de cargas mais pesadas. Isso pode ser importante para terapias de reabilitação, treinamento e progressão.

ABSTRACT Introduction: Peripheral nerve adaptation is critical for strength gains. However, information about intensity effects on nerve morphology is scarce. Objective: To compare the effects of different intensities of resistance training on radial nerve structures. Methods: Rats were divided into three groups: control (GC), training with 50% (GF1) and training 75% (GF2) of the animal’s body weight. The morphological analysis of the nerve was done by light and transmission electron microscopy. One-way ANOVA and the Tukey’s post hoc test were applied and the significance level was set at p≤0.05. Results: Training groups had an increase of strength compared to GC (p≤0.05). All measured nerve components (mean area and diameter of myelin fibers and axons, mean area and thickness of the myelin sheath, and of neurofilaments and microtubules) were higher in GF2 compared to the other (p≤0.05). Conclusion: Results demonstrated greater morphological changes on radial nerve after heavier loads. This can be important for rehabilitation therapies, training, and progression.

RESUMEN Introducción: La adaptación de los nervios periféricos es fundamental para el aumento de fuerza. Sin embargo, la información sobre el efecto de la intensidad sobre la morfología del nervio es escasa. Objetivo: Comparar el efecto de diferentes intensidades de entrenamiento de resistencia en las estructuras del nervio radial. Métodos: Las ratas se dividieron en tres grupos: control (GC) y entrenamiento con 50% (GF1) y con 75% (GF2) del peso corporal del animal. El análisis morfológico del nervio se hizo con microscopía óptica y electrónica de transmisión. Se aplicaron la prueba ANOVA de una vía y la prueba post hoc de Tukey y el nivel de significación se fijó en p ≤ 0,05. Resultados: Los grupos de entrenamiento tuvieron aumento de la fuerza con respecto al grupo control (p ≤ 0,05). Todos los componentes medidos del nervio (área media y diámetro de las fibras de mielina y axones, área media y espesor de la vaina de mielina, neurofilamentos y microtúbulos) fueron mayores en GF2 en comparación con los otros grupos (p ≤ 0,05). Conclusión: Los resultados mostraron mayores cambios morfológicos en el nervio radial después de las cargas más pesadas. Esto puede ser importante para terapias de rehabilitación, entrenamiento y progresión.

https://doi.org/10.1590/1517-869220172301157903 1332 downloads

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