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Efeitos agudos do Huffing na função cardíaca
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Abstract(s)
Objetivo: Verificar se o Huffing provoca efeitos hemodinâmicos significativos ao nível da
frequência cardíaca (FC) e pressão arterial (PA) e na variabilidade da FC (VFC).
Metodologia: Uma amostra de 20 participantes, todos alunos da Universidade Fernando
Pessoa, foram divididos em 2 grupos: controlo (GC) e experimental (GE). No GC nenhuma
técnica foi aplicada, os indivíduos apenas estiveram 15 minutos a respirar a 15 cpm
controlados com um metrónomo, em decúbito dorsal sem qualquer inclinação da marquesa.
No GE, os 10 indivíduos inicialmente respiram durante 7 minutos com controlo do
metrónomo, no minuto seguinte a marquesa foi inclinada a 45º e foram efectuados 3 Huffings.
Em seguida a marquesa foi colocada sem inclinação e voltaram a respirar de forma controlada
durante 7 minutos. Em ambos os grupos foi medida a PA e analisada a FC média (FCméd) e
máxima (FCmáx) Resultados: Verificou-se que todos os índices, excepto LF/HF
apresentaram diferenças significativas no momento após a técnica. A PA e FCméd e FCmáx
aumentaram significativamente no GE. Conclusões: O Huffing produziu alterações no
sistema autónomo, com predomínio da acção sobre o sistema simpático.
Objective: Verify if the Huffing causes significant hemodynamic effects concerning the heart rate (HR) and blood pressure (BP) and the variability of the HR (VHR). Methodology: Twenty students of Fernando Pessoa’s University were divided in 2 groups: a control group (CG) and an experimental group (EG). On the CG no technique was applied, the individuals were breathing only 15 minutes at 15 breaths/minute controlled with a metronome, in supine position without inclination of the marchioness. On the EG, 10 individuals initially breathed 7 minutes with metronome control. Then, in the next minute the marchioness was inclined to 45º and there were made 3 Huffings. After that, the marchioness was laid without inclination and the subjects breathed again in a controlled way during 7 minutes. In both groups was measured the BP and analyzed the medium and maximum HR. Results: It was verified that all indexes, except LF/HF showed significant differences after the technique. The BP and both Heart Rates increased significantly in the experimental group. Conclusions: The Huffing produced alterations on the Autonomous System, with a dominance of the action over the sympathetic system.
Objective: Verify if the Huffing causes significant hemodynamic effects concerning the heart rate (HR) and blood pressure (BP) and the variability of the HR (VHR). Methodology: Twenty students of Fernando Pessoa’s University were divided in 2 groups: a control group (CG) and an experimental group (EG). On the CG no technique was applied, the individuals were breathing only 15 minutes at 15 breaths/minute controlled with a metronome, in supine position without inclination of the marchioness. On the EG, 10 individuals initially breathed 7 minutes with metronome control. Then, in the next minute the marchioness was inclined to 45º and there were made 3 Huffings. After that, the marchioness was laid without inclination and the subjects breathed again in a controlled way during 7 minutes. In both groups was measured the BP and analyzed the medium and maximum HR. Results: It was verified that all indexes, except LF/HF showed significant differences after the technique. The BP and both Heart Rates increased significantly in the experimental group. Conclusions: The Huffing produced alterations on the Autonomous System, with a dominance of the action over the sympathetic system.
Description
Projeto de Graduação apresentado à Universidade Fernando Pessoa como parte dos requisitos para obtenção do grau de Licenciada em Fisioterapia
Keywords
Variabilidade da frequência cardíaca Fisioterapia respiratória Controlo autonómico Pressão Arterial Heart rate variability Respiratory physiotherapy Autonomic control Blood pressure