Inspiratory muscle training at 30% of maximal inspiratory pressure significantly improved respiratory and peripheral muscle strength, pulmonary functions, and functional exercise capacity (p < 0.05).
RCT (n=40)
Single-blind
randomized
Does inspiratory muscle training improve respiratory and peripheral muscle strength, functional exercise capacity, and quality of life in patients with stable angina?
Inspiratory muscle training improves respiratory and peripheral muscle strength, pulmonary functions, and functional exercise capacity in patients with stable angina.
p-value: p=< 0.05
Purpose To determine the effect of inspiratory muscle training (IMT) on respiratory and peripheral muscle strength, functional exercise capacity, health-related quality of life (HRQoL), fatigue, depression, and cardiac functions in patients with stable angina.Methods A randomized, controlled, single-blinded study. Twenty patients (59.95 ± 7.35 y, LVEF = 58.77 ± 7.49) with stable angina received IMT at the lowest load (10 cmH2O), and 20 patients (55.85 ± 7.60 y, LVEF = 62.26 ± 7.75) received training at 30% of maximal inspiratory pressure (MIP) seven days/8 weeks. Respiratory muscle strength (MIP; maximal expiratory pressure, MEP), peripheral muscle strength, pulmonary functions, functional exercise capacity (6-min walking test; exercise test), fatigue, HRQoL, depression, and cardiac functions were evaluated before and after.Results A statistical difference was found between groups in terms of respiratory and peripheral muscle strength, pulmonary functions, functional exercise capacity (p 0.05).Conclusions This study is the first to demonstrate the positive effects of IMT in patients with stable angina. IMT is a safe and effective method and is recommended to be added to cardiopulmonary rehabilitation programs and guidelines, as it results in increased peripheral muscle strength and functional exercise capacity in stable angina patients.Implications for rehabilitationInspiratory muscle training (IMT) is a safe and effective method for coronary artery disease (CAD) patients with stable angina.IMT improved respiratory and peripheral muscle strength, functional exercise capacity, pulmonary functions, and health-related quality of life in CAD patients with stable angina.Perception of depression and fatigue were decreased with IMT in CAD patients with stable angina.
Hüzmeli̇ et al. (Wed,) conducted a rct in stable angina (n=40). Inspiratory muscle training (IMT) vs. IMT at the lowest load (10 cmH2O) was evaluated on Respiratory and peripheral muscle strength, pulmonary functions, and functional exercise capacity (p=< 0.05). Inspiratory muscle training at 30% of maximal inspiratory pressure significantly improved respiratory and peripheral muscle strength, pulmonary functions, and functional exercise capacity (p < 0.05).