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ABSTRACT Introduction: The Pilates method (PM) combines slow-deep breathing with strengthening and stretching exercises. However, it has been proposed as a method of physical conditioning for several decades and only recently aroused academic/scientific interest, with few reports of the effects of this intervention in hypertensive patients. Objective: to compare PM to aerobic training (AT) effects on hypertensive subjects’ blood pressure (BP), functional capacity and autonomic balance. Methods: Twenty-four hypertensive subjects were randomly allocated into two groups: ATG performed three 40 min sessions/week, moderate intensity (40-70% of reserve HR), and PMG performed two 60 min sessions/week; both during the same eight weeks period. Blood pressure (casual and for 24 hours), 6-minute walking test (6-MWT) and autonomic balance were evaluated before and after intervention. Results: There was a reduction on systolic BP (SBP, p=0.007), diastolic (p=0.032) and mean blood pressure (MBP, p=0.016), measured on 24h, on PMG. There was also a 24h SBP reduction on ATG (p=0.021). The PMG had a greater reduction on 24h SBP (-3.4 mmHg, 95% CI -6.6 to -0.2) and MBP (-3.3 mmHg, 95% CI -6.3 to -0.3) than the ATG. ATG held a longer distance in 6-MWT. Casual BP and autonomic balance had no difference. Conclusion: This PM protocol was superior to AT on BP monitored for 24 hours in hypertensive subjects, but AT was better for functional capacity. The eight weeks of training were not enough to change the autonomic balance. Level of Evidence: I; High-quality randomized clinical trial with or without statistically significant difference, but with narrow confidence intervals.

RESUMEN Introducción: el método Pilates (MP) combina la respiración lenta-profunda con ejercicios de fortalecimiento y estiramiento. Aunque se ha propuesto como un método de acondicionamiento físico durante varias décadas, solo recientemente despertó interés académico/científico, con pocos reportes de los efectos de esta intervención en pacientes hipertensos. Objetivo: comparar los efectos del MP con el entrenamiento aeróbico (EA) sobre la presión arterial (PA), la capacidad funcional y el equilibrio autónomo en sujetos hipertensos. Métodos: Veinticuatro sujetos hipertensos fueron asignados aleatoriamente en dos grupos: GEA realizó tres sesiones de 40 min/semana, intensidad moderada (40-70% de la FC de reserva), y GMP realizó dos sesiones de 60 min/semana; ambos durante el mismo período de 8 semanas. La presión arterial (casual y durante 24 horas), la prueba de marcha de 6 minutos y el equilibrio autonómico se evaluaron antes y después de la intervención. Resultados: Hubo una reducción de la PA sistólica (PAS, p = 0,007), diastólica (p = 0,032) y presión arterial media (PAM, p = 0,016), medida a las 24 h, en GMP. También hubo una reducción de PAS en 24 h en GEA (p = 0,021). El GMP tuvo una mayor reducción en la PAS de 24 h (-3,4 mmHg, CI del 95%: -6,6 a -0,2) y la PAM (-3,3 mmHg, CI del 95%: -6,3 a -0,3) que la GEA. GEA mantuvo una mayor distancia en la prueba de marcha de 6 minutos. La PA casual y el equilibrio autónomo no tuvieron diferencias. Conclusión: Este protocolo de MP fue superior al EA en la PA monitoreada durante 24 horas en sujetos hipertensos, pero el EA fue mejor para la capacidad funcional. Las ocho semanas de entrenamiento no fueron suficientes para cambiar el equilibrio autonómico. Nivel de Evidencia: I; Estudio clínico aleatorizado de alta calidad con o sin diferencia estadísticamente significativa, pero con intervalos de confianza estrechos.

RESUMO Introdução: O método Pilates (MP) combina respiração lenta e profunda com exercícios de fortalecimento e alongamento. Embora tenha sido proposto como método de condicionamento físico por várias décadas, só recentemente despertou-se o interesse acadêmico/científico, com poucos relatos dos efeitos dessa intervenção em hipertensos. Objetivos: comparar os efeitos do MP com o treinamento aeróbio (TA) sobre a pressão arterial (PA), capacidade funcional e equilíbrio autonômico em hipertensos. Métodos: Vinte e quatro hipertensos foram alocados aleatoriamente em dois grupos: O grupo GTA realizou três sessões de 40 min/semana, intensidade moderada (40-70% da FC de reserva), e o grupo GMP, que realizou duas sessões de 60 min/semana; ambos durante o mesmo período de 8 semanas. A pressão arterial (casual e após 24 horas), o teste de caminhada de 6 minutos (TC6) e o equilíbrio autonômico foram avaliados antes e depois da intervenção. Resultados: Houve redução da PA sistólica (PAS, p = 0,007), diastólica (p = 0,032) e da pressão arterial média (PAM, p = 0,016), medida em 24h, sem GMP. Também houve redução da PAS em 24h no GTA (p = 0,021). O GMP teve uma redução maior em 24h PAS (-3,4 mmHg, IC 95% -6,6 a -0,2) e PAM (-3,3 mmHg, IC 95% -6,3 a -0,3) do que o GTA. O GTA manteve uma maior distância no TC6. A PA casual e o equilíbrio autonômico não apresentaram diferenças estatísticas. Conclusão: Este protocolo de MP foi superior ao TA na PA monitorada por 24 horas em hipertensos, porém o TA foi superior para a capacidade funcional. As oito semanas de treinamento não foram suficientes para alterar o equilíbrio autonômico. Nível de Evidência: 1; Estudo clínico randomizado de alta qualidade com ou sem diferença estatisticamente significativa, mas com intervalos de confiança estreitos.

https://doi.org/10.1590/1517-8692202430012021_0327i

Painéis aglomerados com resíduo de Pinus caribaea var. caribaea com adesivo bicomponente sustentável
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Souza, Matheus Viana de

; Silva, Sérgio Augusto Mello da

; Cazella, Pedro Henrique da Silva

; Rodrigues, Felipe Reis

; Carneiro, Tainah Eduarda Boian

; Pinto, Edna Moura

; Martins, Aline Redondo

; Aouada, Márcia Regina de Moura

; Christoforo, André Luis

Ambiente Construído

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jul 2023, Volume 23 N. 3 Pages 263 - 276

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

Abstract This research aimed to produce and evaluate particleboard with pinus waste using two production methodologies. One applied to homogeneous panels (single layer) and another to heterogeneous panels (three layers). The panels were produced with an initial density of 0.550 g/cm³, with 10% polyurethane resin derived from castor oil (PUR) for the homogeneous panels and 12% for the heterogeneous ones. The pressing parameters were 5 MPa, with a temperature of 100 ºC and 10 min of pressing, with an interval of 30 s. The tests performed according to NBR 14810-2 (ABNT, 2018) standard. As a result, it was observed that the reorganization of the particles of the heterogeneous panels added to the increase of the adhesive were factors that improved the final properties of the panels, which are classified to be used as decoration objects and in the furniture industry, not obtaining classification of homogeneous panels.

Resumo Esta pesquisa teve como objetivo produzir e avaliar painéis aglomerados com resíduo de pinus medianteuma metodologia de produçãoaplicada para painéis homogêneos e outra para heterogêneos. Os painéis homogêneos e heterogêneos foram produzidos com densidade inicial de 0,550 g/cm³ e com 10% e 12% de resina de poliuretano derivado do óleo de mamona (PUR) respectivamente. Os parâmetros de prensagem foram de 5 MPa, com temperatura de 100 ºC e 10 min de prensagem, com um intervalo de 30 s. Os ensaios realizados seguiram a normativa NBR 14810-2 (ABNT, 2018). Observou-se que a reorganização das partículas dos painéis heterogêneos somada ao aumento do adesivo foram fatores que melhoraram as propriedades finais desses painéis, classificados para ser utilizados como objetos de decoração e na indústria moveleira, enquanto os painéis homogêneos não obtiveram classificação.

https://doi.org/10.1590/s1678-86212023000300686

Salicylic acid on gas exchange and growth of Hymenaea courbaril L. seedlings under flooding
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Santos, Cleberton C.

; Silva, Luis F. P. da

; Piesanti, Matheus

; Scalon, Silvana de P. Q.

; Goelzer, Ademir

; Silverio, Juliana M.

; Reis, Lucas C.

Revista Brasileira de Engenharia Agrícola e Ambiental

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may 2023, Volume 27 N. 5 Pages 327 - 334

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

ABSTRACT Flooding is a stressful condition that causes damage to the photosynthetic apparatus, negatively affecting the growth of seedlings of fruit species, including Hymenaea courbaril L. Studies on physiological management, such as exogenous application of phytohormones, to alleviate abiotic stress have increased. The objective of this study was to evaluate the effect of foliar application of salicylic acid (SA) on H. courbaril seedlings subjected to flooding. The seedlings received foliar application of four concentrations of SA (0, 100, 200, and 400 mg L-1) and were subjected to two water regimes: a) control - non-flooded and irrigated daily and b) flooded - seedlings were placed in a plastic pool, keeping the water depth at ± 5.0 cm above the substrate level. After 35 days, we evaluated the gas exchange, initial growth, quality, and potential ecological resilience of the seedlings. All flooded seedlings survived, but had reduced photosynthesis, carboxylation of Rubisco efficiency, and water-use and stomatal conductance when they received 100-300 mg L-1 SA. The seedlings that received between 100 and 300 mg L-1 SA had greater growth, quality, and phenotypic plasticity. Foliar application of SA did not mitigated the effect of flooding on gas exchange but contributed to the growth of H. courbaril seedlings.

RESUMO O alagamento é um fator estressante e promove danos ao aparato fotossintético, afetando negativamente o crescimento de mudas de espécies frutíferas, dentre elas a jatobazeiro Estudos sobre o manejo fisiológico, tal como aplicação exógena de fitohormônio, para aliviar o estresse abiótico tem aumentado. Assim, objetivou-se com esse estudo avaliar o efeito da aplicação foliar de concentrações de ácido salicílico (AS) em mudas de H. courbaril submetidas ao alagamento. As mudas receberam aplicação via foliar de quatro concentrações de AS: 0, 100, 200 e 400 mg L-1, e submetidas a dois regimes hídricos: a) controle: - não alagadas e irrigadas diariamente e b) alagamento - acondicionamento das mudas em piscina com lâmina d’água (5.0 cm) acima do nível do substrato. Decorridos 35 dias avaliamos as trocas gasosas, crescimento inicial, qualidade e o potencial de resiliência ecológica das mudas. Observou-se que todas as mudas alagadas sobreviveram, mas tiveram redução da fotossíntese, eficiência instantânea de carboxilação da Rubisco e de uso da água e condutância estomática e quando receberam aplicação entre 100-300 mg L-1 de AS. As mudas que receberam aplicação das concentrações entre 100 e 300 mg L-1 de AS tiveram maiores características de crescimento, qualidade e plasticidade fenotípica. A aplicação foliar de ácido salicílico não mitigou o efeito do alagamento sobre as trocas gasosas, mas contribuiu no crescimento das mudas de H. courbaril.

https://doi.org/10.1590/1807-1929/agriambi.v27n5p327-334

Atividade Física e bem-estar mental durante o distanciamento social da pandemia de COVID-19
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Alves Sanseverino, Marcela

; Lopes Martinez, Victor Matheus

; Wearick-Silva, Luis Eduardo

; Bona, Renata L.

Educación Física y Ciencia

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apr 2023, Volume 25 N. 1 elocation e249

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

Abstract Objective: This research sought to understand how social distancing during the COVID-19 pandemic impacted physical activity levels and mental well-being. Methods: The study included 511 people from 19 Uruguayan states who participated in the study, 69.1% of whom were female and aged between 18 and 24 (43.4%). Participants answered an online questionnaire containing questions about fatigue, PA level before and after the pandemic onset, Warwick-Edinburgh Mental Well-Being Scale, time spent in front of screens and number of people they kept in touch with. The information was kept anonymous and confidential, with no questions that could identify the participants. The survey was conducted during the period of social distancing, remaining available for one month and 12 days. Results: The results showed an increase in physical inactivity and a negative impact on the mental well-being of those who became inactive during the distancing period. Conclusion: In sum, distancing measures caused harm to the physical and mental health of the population, requiring the implementation of measures to encourage PA practice so that people can re-equip and enhance their integral health care.

Resumo Objetivo: A pesquisa buscou compreender como o distanciamento social durante a pandemia COVID-19 impactou os níveis de atividade física e o bem-estar mental. Método: Participaram do estudo 511 pessoas dos 19 estados uruguaios, sendo 69,1% do sexo feminino e com faixa etária entre 18 e 24 anos (43,4%). Os participantes responderam questionário online, contendo questões sobre fadiga, nível de AF antes e após o início da pandemia, escala de Bem-estar Mental Warwick-Edimburgo, tempo que passa em frente as telas e número de pessoas que mantém contato. As informações foram mantidas anônimas e em sigilo, não constando perguntas que pudessem identificar os participantes. Resultados: A aplicação da pesquisa foi durante o período de distanciamento social, permanecendo disponível por um mês e 12 dias. Os resultados mostraram aumento da inatividade física e impacto negativo no bem-estar mental daqueles que se tornaram inativos durante o distanciamento. Conclusão: Em suma, as medidas de distanciamento apresentam prejuízos a saúde física e mental da população, sendo necessária a implementação de medidas de incentivo a prática de AF para que as pessoas possam retomar e aprimorar seus cuidados integrais com a saúde.

https://doi.org/10.24215/23142561e249

Physical activity level measured by accelerometry and physical fitness of schoolchildren
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Estivaleti, José Matheus Oliveira

; Bergamo, Raiany Rosa

; Oliveira, Luís Carlos de

; Beltran, Diana Carolina Gonzalez

; Silva Junior, João Pedro da

; Santos, Maurício dos

; Matsudo, Victor Keihan Rodrigues

Revista Paulista de Pediatria

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2023, Volume 41 elocation e2021230

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

RESUMO Objetivo: Descrever e comparar as variáveis da aptidão física de acordo com o cumprimento da recomendação de atividade física, medida por acelerometria. Métodos: A amostra foi composta de 120 escolares, sendo 57 meninos e 63 meninas, de 9 a 11 anos de idade. As variáveis analisadas foram: peso, estatura, índice de massa corpórea (IMC), dobras cutâneas, circunferências, agilidade, flexibilidade, velocidade e força de membros superiores, inferiores e abdominal. A atividade física foi mensurada de forma objetiva por meio de acelerômetro. Os escolares foram divididos em dois grupos: “cumpre a recomendação” (≥60min/dia) e “não cumpre a recomendação” (<60min/dia). Para verificar a normalidade dos dados, foi utilizado o teste de Kolmogorov-Smirnov. A comparação dos valores médios dos escolares que cumprem ou não a recomendação de atividade física foi feita pelos testes t de Student e U de Mann-Whitney. O nível de significância adotado foi de p<0,05. Resultados: Os escolares que cumpriram a recomendação, comparados com os que não cumpriram, apresentaram valores significativamente menores para adiposidade (somatória das sete dobras cutâneas), peso corporal, IMC e força abdominal. Não foram encontradas diferenças significativas nas variáveis de velocidade e agilidade; quanto à força de membros superiores (MMSS), constatou-se que ela foi maior em quem não cumpriu a recomendação. Conclusões: Crianças que cumpriram a recomendação de atividade física apresentaram melhor composição corporal e força abdominal que as crianças que não cumpriram.

Abstract Objective: To describe and compare physical fitness variables according to compliance with the recommendations of physical activity, measured by accelerometry. Methods: The sample gathered 120 students, 57 boys and 63 girls aged 9 to 11 years. The variables analyzed were: weight, stature, BMI, skinfolds, waist circumference, agility, flexibility, speed and strength of upper and lower limbs, and abdominal strength. Physical activity was measured objectively using an accelerometer. The students were divided into two groups: “complies with recommendations” (≥60min/day) and “does not comply with recommendations” (<60min/day). To verify the normality of the data, the Kolmogorov-Smirnov test was used. The mean values of students who do or do not comply with the physical activity recommendation were compared using Student's t and U-Mann Whitney tests. The level of significance was set at p<0.05. Results: The students who followed the recommendation showed significantly lower values compared to those who did not for adiposity (sum of 7 skinfolds); body weight; body mass index (BMI) and abdominal strength. No significant differences were found in the variables of speed and agility, and the upper limbs’ strength was greater in subjects who did not comply with recommendations. Conclusions: Students who complied with physical activity recommendations had better body composition and more abdominal strength than those who did not.

https://doi.org/10.1590/1984-0462/2023/41/2021230

Effects of black tea tooth staining previously to 35% hydrogen peroxide bleaching
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Palandi, Samuel da Silva

; Kury, Matheus

; Picolo, Mayara Zaghi Dal

; Florez, Fernando Luís Esteban

; Cavalli, Vanessa

Brazilian Journal of Oral Sciences

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2023, Volume 22 elocation e238082

Abstract: En | Text: En | PDF: En

Aim To determine if the artificial staining with black tea (BT) influences the enamel microhardness before in-office bleaching and if BT staining is necessary to evaluate the efficacy of bleaching with 35% hydrogen peroxide Methods Enamel/dentin blocks were randomized into groups according to the staining protocol (n=5/group): (CO) control – maintained in artificial saliva solution (AS); (BT4) immersed in black tea solution for 4 h; (BT24) immersed in black tea solution for 24 h. After the staining protocols, all specimens were kept in AS for one week, followed by bleaching (three sessions of HP application for 40 min). Knoop surface microhardness (kgF/mm2) was determined at baseline (T0), after staining (T1), after 7 days of storage in AS (T2), and after bleaching (T3). The color (∆E00) and coordinate changes (∆L, ∆a, ∆b) were measured using a digital spectrophotometer at T0 and T3. Data were submitted to one-way (∆E00, ∆L, ∆a, ∆b) or two-way ANOVA repeated measures (kgF/mm2) and Tukey’s test (a=5%). Results The staining protocols (BT4 and BT24) promoted significantly lower microhardness (T1 and T2, p<0.05) than CO, whereas CO was the only group to maintain microhardness values over time. Bleaching promoted perceptible ∆E00 without a significant difference among the groups regardless of the staining protocol (p=0.122). CO and BT4 showed no differences in terms of ∆L and ∆a (p>0.05), but BT4 displayed a higher ∆b than CO. Conclusion The artificial staining with BT negatively affected the enamel surface microhardness and was not essential to evaluate the efficacy of 35% hydrogen peroxide bleaching.

https://doi.org/10.20396/bjos.v22i00.8668082

Process optimization of physicochemical properties of spray-dried Hydrocotyle umbellata L. extract
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Oliveira, Matheus Gabriel de

; Moreira, Guilherme Gomes

; Paz, Andressa Tuane Santana

; Oliveira, Thiago Levi Silva

; Silva, Luís Antônio Dantas

; Conceição, Edemilson Cardoso da

; Borges, Leonardo Luiz

; Silva, Vinicius Barreto da

; Paula, José Realino de

Brazilian Journal of Pharmaceutical Sciences

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2023, Volume 59 elocation e21211

Abstract: En | Text: En | PDF: En

Abstract Hydrocotyle umbellata L., Araliaceae, is a species that is recommended in Ayurvedic medicine for its effects on the central nervous system, such as anxiolytic and memory-stimulant effects. Despite the medicinal potential of this species, its phytopharmaceutical and technological potential to produce standardized extracts has not been investigated. This study analyzes the influence of spray drying parameters on the contents of the chemical markers (total phenolic, total flavonoid, and hibalactone) and the functional properties of H. umbellata extract. The optimization of drying conditions was performed using a central composite design combined with response surface methodology and desirability function approach. The mathematical models fitted to experimental data indicated that all the evaluated drying parameters significantly influenced the chemical contents. The optimal conditions were: inlet temperature of 120 °C, feed flow rate of 4 mL min-1, and colloidal silicon dioxide:maltodextrin ratio of 16%:4%. Under these conditions, the powder samples had spherical particles and desirable physicochemical and functional properties, such as low water activity and moisture content, good product recovery, reconstitution, and flowability. Thus, spray drying might be a promising technique for processing standardized H. umbellata extracts.

https://doi.org/10.1590/s2175-97902023e21211

Chylothorax and chylous ascites due to juvenile paracoccidioidomycosis: a case report
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Santos, Ana Paula Freitas Bahia dos

; Russo, Tomás Varella Costa

; Pascuotte, Beatriz

; Visconde, Luis Felipe Silva

; Luetz, Adryelle Carolynne Nogueira

; Sarris, Andrey Biff

; Rocha, Matheus Dias Girão

; Puga, Fernanda Guioti

; Gaspar, Gilberto Gambero

; Bollela, Valdes Roberto

; Martinez, Roberto

Revista da Sociedade Brasileira de Medicina Tropical

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2023, Volume 56 elocation e0605-2022

Abstract: En | Text: En | PDF: En

ABSTRACT Paracoccidioidomycosis (PCM) is a systemic fungal infection caused by Paracoccidioides species. Chylothorax is a rare complication of PCM. A 16-year-old adolescent presented daily fever, lymphadenomegaly, sweating, weight loss, ventilatory-dependent pain, and dysphagia, which confirmed PCM. During treatment, the patient developed chylothorax and chylous ascites. Chronic inflammatory and fibrotic lymphadenopathy may obstruct lymphatic vessels, resulting in the extravasation of lymph into the abdomen or pleural cavities. Chylothorax is one of several complications of PCM and can lead to respiratory insufficiency, even in patients undergoing antifungal therapy.

https://doi.org/10.1590/0037-8682-0605-2022

COVID-19 outcomes in people living with HIV: Peering through the waves
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Sales, Thaís Lorenna Souza

; Souza-Silva, Maíra Viana Rego

; Delfino-Pereira, Polianna

; Neves, João Victor Baroni

; Sacioto, Manuela Furtado

; Assis, Vivian Costa Morais de

; Duani, Helena

; Oliveira, Neimy Ramos de

; Sampaio, Natália da Cunha Severino

; Ramos, Lucas Emanuel Ferreira

; Schwarzbold, Alexandre Vargas

; Jorge, Alzira de Oliveira

; Scotton, Ana Luiza Bahia Alves

; Castro, Bruno Mateus de

; Silva, Carla Thais Cândida Alves da

; Ramos, Carolina Marques

; Anschau, Fernando

; Botoni, Fernando Antonio

; Grizende, Genna Maira Santos

; Nascimento, Guilherme Fagundes

; Ruschel, Karen Brasil

; Menezes, Luanna Silva Monteiro

; Castro, Luís César de

; Nasi, Luiz Antônio

; Carneiro, Marcelo

; Godoy, Mariana Frizzo de

; Nogueira, Matheus Carvalho Alves

; Guimarães Júnior, Milton Henriques

; Ziegelmann, Patricia Klarmann

; Almeida, Rafaela Charão de

; Francisco, Saionara Cristina

; Silveira Neto, Sidney Teodoro

; Araújo, Silvia Ferreira

; Avelino-Silva, Thiago Junqueira

; Aliberti, Márlon Juliano Romero

; Pires, Magda Carvalho

; Silva, Eduardo Sérgio da

; Marcolino, Milena Soriano

Clinics

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2023, Volume 78 elocation 100223

Abstract: En | Text: En | PDF: En

Abstract Objective To evaluate clinical characteristics and outcomes of COVID-19 patients infected with HIV, and to compare with a paired sample without HIV infection. Methods This is a substudy of a Brazilian multicentric cohort that comprised two periods (2020 and 2021). Data was obtained through the retrospective review of medical records. Primary outcomes were admission to the intensive care unit, invasive mechanical ventilation, and death. Patients with HIV and controls were matched for age, sex, number of comorbidities, and hospital of origin using the technique of propensity score matching (up to 4:1). They were compared using the Chi-Square or Fisher's Exact tests for categorical variables and the Wilcoxon for numerical variables. Results Throughout the study, 17,101 COVID-19 patients were hospitalized, and 130 (0.76%) of those were infected with HIV. The median age was 54 (IQR: 43.0;64.0) years in 2020 and 53 (IQR: 46.0;63.5) years in 2021, with a predominance of females in both periods. People Living with HIV (PLHIV) and their controls showed similar prevalence for admission to the ICU and invasive mechanical ventilation requirement in the two periods, with no significant differences. In 2020, in-hospital mortality was higher in the PLHIV compared to the controls (27.9% vs. 17.7%; p = 0.049), but there was no difference in mortality between groups in 2021 (25.0% vs. 25.1%; p > 0.999). Conclusions Our results reiterate that PLHIV were at higher risk of COVID-19 mortality in the early stages of the pandemic, however, this finding did not sustain in 2021, when the mortality rate is similar to the control group.

https://doi.org/10.1016/j.clinsp.2023.100223

10.

Produção de painéis de partículas de madeira com inclusão de poliestireno
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Rodrigues, Felipe Reis

; Cazella, Pedro Henrique da Silva

; Souza, Matheus Viana de

; Bispo, Rodrigo Andraus

; Assis, Letícia Freitas

; Gilio, Caroline Graminha

; Christoforo, André Luis

; Silva, Sérgio Augusto Mello da

Ciência Florestal

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2023, Volume 33 N. 2 elocation e68402

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

ABSTRACT The growth of human consumption has caused countless inconveniences to the environment, including the inappropriate disposal of inorganic materials with a long useful life. The incorporation of potential residues in the manufacture of wood-based particleboards presents itself as an alternative to this problem. This research by objective to evaluate the effects of replacing partial of wood particles of expanded polystyrene particles bonded with mammon bean polyurethane. Wood particles (50% pine + 50% Eucalyptus) were replaced by 25 and 50% (by mass) of expanded polystyrene particles in order to improve the physical and mechanical properties of panels manufactured with 5% polyurethane adhesive based on mammon oil. Composites manufactured with 50% of polystyrene particles resulted in the best values of the evaluated physical and mechanical properties (ABNT NBR 14810 and EN 312), designating credibility to the production of panels with the partial replacement of wood particles by polystyrene particles.

RESUMO O crescimento do consumo humano tem causado inúmeros transtornos para o meio ambiente, inclusive pelo descarte inapropriado de materiais inorgânicos de longa vida útil. A incorporação de potenciais resíduos na fabricação de painéis aglomerados à base de madeira se apresenta como uma alternativa a essa problemática. Esta pesquisa teve por objetivo avaliar os efeitos da substituição parcial de partículas de madeira por partículas de poliestireno expandido aglutinados com poliuretano de mamona. As partículas de madeira (50% de Pinus + 50% de Eucalipto) foram substituídas por 25 e por 50% (em massa) de partículas de poliestireno expandido visando aprimorar as propriedades físicas e mecânicas de painéis fabricados com 5% de adesivo poliuretano à base de óleo de mamona. Os compósitos fabricados com 50% de partículas de poliestireno resultaram nos melhores valores das propriedades físicas e mecânicas avaliadas (ABNT NBR 14810 e EN 312), designando credibilidade à produção de painéis com a substituição parcial de partículas de madeira por partículas de poliestireno.

https://doi.org/10.5902/1980509868402

11.

Predominantly antibody deficiency: case report
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Morais, Louyse Jerônimo de

; Silva, Beatriz Brasileiro de Macedo

; Brito, Luís Alfredo Cezar

; Lemos, Luíza Alcântara Pontes de

; Lustosa, Matheus Soares

; Carneiro, Rafaela Ribeiro D’Azevedo

; Lima, Renata de Cerqueira Paes Correa

; Aragão, Tainá Gomes

; Nóbrega, Veriana Márcia da

Revista Brasileira de Saúde Materno Infantil

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2023, Volume 23 elocation e20220259

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

Abstract Objectives: present a case of Inborn errors of immunity (IEI) as a potential diagnosis in pediatric patients with recurrent infections. Description: male patient, 13 years old, since he was eight months old had recurrent diarrhea, sinusitis, otitis, abscesses and urinary tract infections. At the age of ten, he presented mastoiditis progressing to meningitis, he was admitted to a tertiary hospital, where an immunological evaluation was performed, which led to the diagnosis of Predominantly Antibody Deficiency (PAD), with suspected X-linked Agammaglobulinemia (XLA). Treatment was initiated with administration of intravenous gamma globulin 400 mg/kg every four weeks, with a significant improvement of the condition. Discussion: usually, the diagnosis of XLA tends to be made in the first three years of life. However, in this report, although the first manifestations started at eight months of age, there was a delay of ten years before starting the treatment. In fact, the diagnosis of children and adults with IEI can be delayed if healthcare professionals are unable to find the true cause of recurrent infections. Therefore, the relevance of considering such pathologies in the presence of risk signs is highlighted, as early diagnosis being essential in treating and preventing morbidities.

Resumo Objetivos: apresentar um caso de Erro Inato da Imunidade (EII) como diagnóstico em potencial de pacientes pediátricos com infecções de repetição. Descrição: paciente masculino, 13 anos, desde os oito meses de idade apresentou quadros repetidos de diarreias, sinusites, otites, abscessos e infecções do trato urinário; destacando-se a otite, sinusite e diarreia pela maior recorrência. Aos dez anos, quando apresentou mastoidite evoluindo para meningite, foi internado em um hospital terciário, onde foi realizada avaliação imunológica, a qual levou ao diagnóstico de Deficiência Predominantemente de Anticorpos (DPAs), tendo como suspeita a agamaglobulinemia ligada ao cromossomo X (ALX). Foi iniciado tratamento com administração de gamaglobulina endovenosa 400 mg/kg a cada quatro semanas, ocorrendo melhora significativa do quadro. Discussão: normalmente, o diagnóstico da ALX tende a ser feito nos primeiros três anos de vida. Neste relato, entretanto, embora as primeiras manifestações tenham iniciado aos oito meses de idade, ocorreu um atraso de dez anos até o início do tratamento. De fato, o diagnóstico de crianças e adultos com EII pode ser retardado se os profissionais de saúde não conseguirem encontrar a causa das infecções recorrentes. Destaca-se, portanto, a relevância de se considerar tais patologias na vigência de sinais de riscos, pois o diagnóstico precoce é fundamental para tratar e prevenir morbidades.

https://doi.org/10.1590/1806-9304202300000259-en

12.

Carbon stock and horizontal structure in riparian forest fragments
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Soares, Kálita Luis

; Costa, Lidiomar Soares da

; Matias, Mirella Basileu de Oliveira Lima

; Reis, Cristiano Rodrigues

; Araújo, Matheus da Silva

; Carneiro, Steffan Eduardo Silva

; Patriota, Karize Emmanuely Rodrigues

Ciência Florestal

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2023, Volume 33 N. 4 elocation e64785

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

ABSTRACT Research that aims to quantify the carbon stock in riparian forests underscores the environmental services of these forests to minimize the effects of climate change. The objective of this work was to i) quantify the carbon stock present in the above-ground biomass of the species present in areas of riparian forest and ii) rank species by the expanded importance value index (IVIA) in relation to a standard phytosociological analysis by the importance value index (IVI). The data used in the study were taken from an inventory conducted in areas of riparian vegetation in the southwestern region of the state of Goiás. The wood biomass of each tree was estimated for all species, with a later estimate of carbon stock (Mg.ha-1) per hectare in the phytophysiognomy. The riparian forest has a high capacity to store carbon. Incorporation of this variable and ranking of species by the expanded importance index can be a reason to conserve and preserve riparian forests, as well as a criterion in the choice of species with greater potential to stock carbon for the recovery of degraded areas.

RESUMO Pesquisas que quantificam o estoque de carbono em matas ciliares destacam-se pela apresentação de serviços ambientais que essas florestas oferecem e assim minimizam os efeitos das mudanças climáticas. Objetivou-se com a realização deste trabalho: i) quantificar o estoque de carbono presente na biomassa acima do solo das espécies presentes em áreas de mata ciliar; ii) ranquear as espécies pelo índice de valor de importância ampliado (IVIA) em relação à análise fitossociológica padrão, pelo índice de valor de importância (IVI). Os dados utilizados no estudo foram obtidos a partir de um inventário realizado em áreas de vegetação ripária, região sudoeste do estado de Goiás. Estimou-se a biomassa da madeira de cada árvore para todas as espécies e posteriormente a estimativa de estoque de carbono (Mg.ha-1) por hectare na fitofisionomia. A mata ciliar possui alta capacidade de estocar carbono e a incorporação dessa variável e o ranqueamento das espécies pelo índice de importância ampliado pode ser utilizado como razão para conservação e preservação das matas ciliares, bem como um critério na escolha de espécies com maior potencial de estoque de carbono para recuperação de áreas degradadas.

https://doi.org/10.5902/1980509864785

13.

A realistic model for vasectomy reversal training using swine testicles
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Santos, Deivid Ramos dos

; Corrêa Junior, Wender de Jesus Pena

; Bentes, Lívia Guerreiro de Barros

; Lemos, Rafael Silva

; Araújo, Victor Matheus Mendonça de

; Andrade, Gabrielly Leite

; Teixeira, Renan Kleber Costa

; Pinto, Luís Otávio Amaral Duarte

; Bacelar, Herick Pampolha Huet de

Acta Cirúrgica Brasileira

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2023, Volume 38 elocation e383023

Abstract: En | Text: En | PDF: En

ABSTRACT Purpose: To evaluate the viability of the porcine vas deferens as a realistic microsurgical training model for vasectomy reversal Methods: The model uses swine testicles (vas deferent), which are usually discarded in large street markets since they are not part of Brazilian cuisine. The spermatic cord was carefully dissected, and the vas deferens were isolated, measuring 10 cm in length. A paper quadrilateral with 5 cm2 was built to delimit the surgical training field. The objective of the model is to simulate only the microsurgical step when the vas deferens are already isolated. The parameters analyzed were: feasibility for reproducing the technique, patency before and after performing the vasovasostomy, cost of the model, ease of acquisition, ease of handling, execution time, and model reproducibility. Results: The simulator presented low cost. All models made were viable with a texture similar to human, with positive patency obtained in 100% of the procedures. The internal and external diameters of the vas deferens varied between 0.2-0.4 mm and 2-3 mm, respectively, with a mean length of 9 ± 1.2 cm. The total procedure time was 43.28 ± 3.22 minutes. Conclusions: The realistic model presented proved to be viable for carrying out vasectomy reversal training, due to its low cost, easy acquisition, and easy handling, and providing similar tissue characteristics to humans.

https://doi.org/10.1590/acb383023

14.

Work and Mental Distress among Nurses in the Amazon Region of Brazil during the COVID-19 Pandemic
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Santos Junior, Darci Francisco dos

; Bittencourt, Marina Nolli

; Marcheti, Priscila Maria

; Pena, José Luís da Cunha

; Chaves, Suellen Cristina da Silva

; Gonçalves, Angélica Martins de Souza

; Domingos, Alessandra Matheus

; Nóbrega, Maria do Perpétuo do Socorro de Sousa

Revista Brasileira de Enfermagem

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2023, Volume 76 N. 6 elocation e20220792

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

ABSTRACT Objective: To assess the relationship between psychopathological symptoms and the social, clinical, and occupational profile of nurses in the Amazon region of Brazil during the COVID-19 pandemic. Methods: A descriptive cross-sectional online study was conducted in 2020 with 261 nurses. The Symptom Assessment Scale-40 was utilized. Results: The presence of pre-existing conditions before the pandemic was associated with psychotism (p=0.044). Experiencing constraints and/or violence at work during the pandemic was associated with somatization (p=0.025), and working hours were associated with anxiety (p=0.025). Nurses predominantly exhibited symptoms related to fear (33.7%), tension (34.5%), and a sense that something is wrong in the mind (22.6%). Conclusions: A significant association was observed between working hours and anxiety symptoms, the experience of constraints and/or violence at work during the COVID-19 pandemic and somatization symptoms, as well as between pre-existing conditions and psychotism symptoms related to COVID-19.

RESUMEN Objetivo: Evaluar la relación entre los síntomas psicopatológicos y el perfil social, clínico y ocupacional de las enfermeras en la región amazónica de Brasil durante la pandemia de COVID-19. Métodos: Se llevó a cabo un estudio descriptivo transversal en línea en 2020 con la participación de 261 enfermeras. Se utilizó la Escala de Evaluación de Síntomas-40. Resultados: Se encontró una asociación significativa entre la presencia de condiciones preexistentes antes de la pandemia y el psicoticismo (p=0,044). Experimentar restricciones y/o violencia en el trabajo durante la pandemia se asoció con la somatización (p=0,025), y las horas de trabajo se relacionaron con la ansiedad (p=0,025). En general, las enfermeras presentaron predominantemente síntomas relacionados con el miedo (33,7%), la tensión (34,5%) y la sensación de que algo no está bien en la mente (22,6%). Conclusiones: Se observó una asociación significativa entre las horas de trabajo y los síntomas de ansiedad, así como entre la experiencia de restricciones y/o violencia laboral durante la pandemia de COVID-19 y los síntomas de somatización. Además, se encontró una asociación entre las condiciones preexistentes y los síntomas de psicoticismo relacionados con COVID-19.

RESUMO Objetivo: Avaliar a relação entre sintomas psicopatológicos e o perfil social, clínico e laboral dos enfermeiros da região Amazônica do Brasil durante a pandemia de COVID-19. Métodos: Realizou-se um estudo descritivo de corte transversal online com 261 enfermeiros em 2020. Utilizou-se a Escala de Avaliação de Sintomas-40. Resultados: A presença de doenças preexistentes à pandemia associou-se ao psicoticismo (p=0,044). Ter sofrido constrangimentos e/ou violências no trabalho durante a pandemia associou-se à somatização (p=0,025), e a carga horária de trabalho associou-se à ansiedade (p=0,025). Os enfermeiros manifestaram principalmente sintomas relacionados ao medo (33,7%), tensão (34,5%) e sensação de que algo está errado na mente (22,6%). Conclusões: Foi observada uma associação significativa entre a carga horária de trabalho e sintomas de ansiedade, o sofrimento de constrangimentos e/ou violências durante o trabalho no contexto da pandemia de COVID-19 e sintomas de somatização, bem como entre doenças preexistentes à COVID-19 e sintomas de psicoticismo.

https://doi.org/10.1590/0034-7167-2022-0792

15.

EVALUATION OF CERVICAL LORDOSIS IN PATIENTS WITH ADOLESCENT IDIOPATHIC SCOLIOSIS
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MOLITERNO, LUIS ANTONIO MEDEIROS

; DEFINO, MATHEUS PIPPA

; OLIVEIRA, LUIZ FELIPE MOKDECI MARTINS DE

; SILVA, VINICIUS TAPIE GUERRA AND

; AZEVEDO, GUSTAVO BORGES LAURINDO DE

; ARAUJO JUNIOR, ANTONIO EULALIO PEDROSA

; PERINI, JAMILA ALESSANDRA

Coluna/Columna

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2023, Volume 22 N. 4 elocation e280211

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

ABSTRACT Introduction: In healthy individuals and in patients with adolescent idiopathic scoliosis (AIS), the curvature of the cervical spine varies greatly, with approximately 36-40% of AIS patients having kyphosis of the cervical spine. Aim: To assess the curvature of the cervical spine in AIS patients and subgroups according to Lenke’s classification (1 to 6). Methods: 107 patients with AIS were assessed for cervical lordosis (C2-C7) using the Cobb method, subdivided into lordosis and cervical kyphosis. The following parameters were assessed and compared between the subgroups: T5-T12 thoracic kyphosis (TK); L1-S1 lumbar lordosis (LL), pelvic incidence (PI), sagittal vertical axis (SVA), T1 pelvic angle (TPA), C2-C7 cervical lordosis, C1-C2 cervical lordosis, T1 slope (T1s), neck tilt, thoracic inlet angle (TIA) and cervical sagittal axis (CSVA). Results: Kyphosis of the cervical spine was observed in 48% of patients. The Lenke classification curves (1 to 6) showed no difference with regard to the curvature of the cervical spine. In the subgroup with cervical lordosis, thoracic kyphosis, and T1 slope were significantly higher. Neck tilt was significantly higher in the subgroup with kyphosis. Conclusions: Almost half of the patients have kyphosis of the cervical spine, and the curvature of the cervical spine in AIS patients varies widely. Thoracic kyphosis, T1 slope, and neck tilt are significantly different between the subgroups of patients with lordosis or kyphosis. Level of Evidence III; Observational and Retrospective Study.

RESUMEN Introducción: En individuos sanos y en pacientes con escoliosis idiopática del adolescente (EIA), la curvatura de la columna cervical varía enormemente, y aproximadamente el 36-40% de los pacientes con EIA presentan cifosis de la columna cervical. Objetivo: Evaluar la curvatura de la columna cervical en pacientes con EIA y subgrupos según la clasificación de Lenke (1 a 6). Métodos: Se evaluó la lordosis cervical (C2-C7) de 107 pacientes con EIA mediante el método de Cobb, subdivididos en dos grupos: lordosis y cifosis cervical. Se evaluaron y compararon los siguientes parámetros entre los subgrupos: Cifosis torácica (TK) T5-T12; lordosis lumbar (LL) L1-S1, incidencia pélvica (PI), eje vertical sagital (SVA), ángulo pélvico T1 (TPA), lordosis cervical C2-C7, lordosis cervical C1-C2, inclinación T1 (T1s), inclinación del cuello, ángulo de la entrada torácica (TIA) y eje sagital cervical (CSVA). Resultados: Se observó cifosis de la columna cervical en el 48% de los pacientes. Las curvas de clasificación de Lenke (1 a 6) no mostraron diferencias con respecto a la curvatura de la columna cervical. En el subgrupo con lordosis cervical, la cifosis torácica y la inclinación T1 eran significativamente mayores. La inclinación cervical fue significativamente mayor en el subgrupo con cifosis. Conclusiones: Casi la mitad de los pacientes presentan cifosis de la columna cervical, y la curvatura de la columna cervical en los pacientes con EIA varía ampliamente. La cifosis torácica, la inclinación T1 y la inclinación cervical son significativamente diferentes entre los subgrupos de pacientes con lordosis o cifosis. Nivel de Evidencia: III; Estudio Observacional y Retrospectivo.

RESUMO Introdução: Nos indivíduos saudáveis e nos pacientes com escoliose idiopática do adolescente (EIA) a curvatura da coluna cervical apresenta grande variação, sendo que aproximadamente 36-40% dos pacientes com EIA apresentam cifose da coluna cervical. Objetivo: Avaliar a curvatura da coluna cervical nos pacientes com EIA e nos subgrupos, de acordo com a classificação de Lenke (1 a 6). Métodos: Foram avaliados 107 pacientes com EIA quanto a lordose cervical (C2-C7), pelo método de Cobb, subdivididos em dois grupos: lordose e cifose cervical. Foram avaliados e comparados entre os subgrupos os seguintes parâmetros: cifose torácica T5-T12 (TK); lordose lombar L1-S1 (LL), incidência pélvica (PI), eixo sagital vertical (SVA), ângulo T1 pélvico (TPA), lordose cervical C2-C7, lordose cervical C1-C2, inclinação T1 (T1s), inclinação cervical (neck tilt), ângulo entrada torácica (TIA) e eixo cervical sagital (CSVA). Resultados: A cifose da coluna cervical foi observada em 48% dos pacientes. As curvas de classificação de Lenke (1 a 6) não apresentaram diferença com relação à curvatura da coluna cervical. No subgrupo com lordose cervical a cifose torácica e a inclinação de T1 foram significativamente maiores. A inclinação cervical foi significativamente maior no subgrupo com cifose. Conclusões: Quase a metade dos pacientes apresenta cifose da coluna cervical, sendo amplamente variável a curvatura da coluna cervical nos pacientes com EIA. A cifose torácica, a inclinação de T1 e a inclinação cervical são significativamente diferentes entre os subgrupos de pacientes com lordose ou cifose. Nível de Evidência III; Estudo Observacional e Retrospectivo.

https://doi.org/10.1590/s1808-185120222204280211

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