Chronic obstructive pulmonary disease (COPD) is associated with autonomic dysfunctions that can be evaluated through heart rate variability (HRV). Resistance training promotes improvement in autonomic modulation; however, studies that evaluate this scenario using geometric indices, which include nonlinear evaluation, thus providing more accurate information for physiological interpretation of HRV, are unknown. This study aimed to investigate the influence of resistance training on autonomic modulation, using geometric indices of HRV, and peripheral muscle strength in individuals with COPD. Fourteen volunteers with COPD were submitted to resistance training consisting of 24 sessions lasting 60 min each, with a frequency of three times a week. The intensity was determined as 60% of one maximum repetition and was progressively increased until 80% for the upper and lower limbs. The HRV and dynamometry were performed at two moments, the beginning and the end of the experimental protocol. Significant increases were observed in the RRtri (4·81 ± 1·60 versus 6·55 ± 2·69, P = 0·033), TINN (65·36 ± 35·49 versus 101·07 ± 63·34, P = 0·028), SD1 (7·48 ± 3·17 versus 11·04 ± 6·45, P = 0·038) and SD2 (22·30 ± 8·56 versus 32·92 ± 18·78, P = 0·022) indices after the resistance training. Visual analysis of the Poincare plot demonstrated greater dispersion beat-to-beat and in the long-term interval between consecutive heart beats. Regarding muscle strength, there was a significant increase in the shoulder abduction and knee flexion. In conclusion, geometric indices of HRV can predict improvement in autonomic modulation after resistance training in individuals with COPD; improvement in peripheral muscle strength in patients with COPD was also observed.
Introduction: Studies report that mobility changes could be present in early stages of Alzheimer's disease (AD) or even in previous stages, such as mild cognitive impairment (MCI). The use of motor tests, involving dual task, could facilitate screening and differentiation between elderly with AD and MCI. Objective: to verify if gait tests associated with secondary tasks could differentiate elderly with AD and MCI. Methods: We conducted a systematic review in Pubmed, Web of Science, Medline and Scielo databases. Of the articles included, we collected information about year of the study, characteristics of the sample and the dual task test studied. Results: The databases were accessed during November 2014 and August 2015 and a total of 198 scientific papers was obtained. After reading first the summaries and then the full texts, five studies were inserted in the review. Elderly with AD presented a reduction of gait speed and stride length, using executive functions and countdown as secondary cognitive tasks. The type of MCI appears to influence the differentiation with AD. Conclusion: The review showed that some gait tests associated with a secondary task differentiate elderly with AD and MCI. It emphasizes the need of new studies involving this issue in order to obtain cut-off points and facilitate prevention, early diagnosis and observation of cognitive impairment's evolution in clinical practice of elderly.
RESUMODoenças cardiovasculares (DCV) são as principais causas de morte no Brasil, influenciadas por vários fatores de riscos como a obesidade, hipertensão arterial (HA), diabetes mellitus, dislipidemia, sedentarismo, dentre outros. Portanto, o trabalho teve como objetivo analisar os fatores de risco presentes em indivíduos participantes do setor de reabilitação cardíaca do Centro de Estudos e Atendimento em Fisioterapia e Reabilitação (CEAFiR). Para isso, foi aplicado um questionário para identificação e anamnese, mensurados pressão arterial, peso e altura para obtenção do IMC, e a taxa de glicose. Diante disto, verificou-se que 56% dos indivíduos apresentaram histórico familiar de DCV, 81% apresentam HA, 72,2% encontraram-se obesos e com sobrepeso, 35,2% apresentaram glicemia de jejum alterada e 5,8% encontraram-se com colesterol total e triglicérides alterado. Conclui-se que há alta prevalência de FR no grupo avaliado, ressaltando a grande importância de programas de prevenção para DCV e orientações quanto a mudanças no estilo de vida. Palavras-chave: hipertensão arterial, obesidade, fatores de risco, doenças cardiovasculares, prevenção e controle INTRODUÇÃOAs doenças cardiovasculares (DCV) são uma das principais causas de morte no Brasil, correspondendo a 30% dos óbitos nas diversas faixas etárias, além de representarem as principais causas de permanência hospitalar prolongada e serem responsáveis pela principal alocação de recursos públicos em hospitalizações 1,2 . São influenciadas por um conjunto de fatores de risco (FR), sendo alguns considerados não modificáveis como a idade e o histórico familiar, e outros modificáveis mediante alterações no estilo de vida como a hipertensão arterial (HA), diabetes mellitus (DM), dislipidemia, obesidade, sedentarismo, estresse, tabagismo e etilismo 3 .A HA é considerada um problema de saúde pública por sua magnitude, risco e dificuldades no controle. É uma afecção comum, assintomática, prontamente detectável, em geral de fácil tratamento e que costuma gerar complicações letais quando não tratada. Apresenta custos médicos e socioeconômicos elevados, decorrentes principalmente das suas complicações, como:
scite is a Brooklyn-based organization that helps researchers better discover and understand research articles through Smart Citations–citations that display the context of the citation and describe whether the article provides supporting or contrasting evidence. scite is used by students and researchers from around the world and is funded in part by the National Science Foundation and the National Institute on Drug Abuse of the National Institutes of Health.
hi@scite.ai
10624 S. Eastern Ave., Ste. A-614
Henderson, NV 89052, USA
Copyright © 2024 scite LLC. All rights reserved.
Made with 💙 for researchers
Part of the Research Solutions Family.