Inspiratory Muscle Training in Patients With Heart Failure and Inspiratory Muscle Weakness A Randomized Trial
- Dall’Ago, Pedro
- Chiappa, Gaspar R.S.
- Guths, Henrique
- Stein, Ricardo
- Ribeiro, Jorge P.
DOIAbstract
ObjectivesThis study sought to evaluate the effects of inspiratory muscle training in inspiratory muscle strength, as well as in functional capacity, ventilatory responses to exercise, recovery oxygen uptake kinetics, and quality of life in patients with chronic heart failure (CHF) and inspiratory muscle weakness.BackgroundPatients with CHF may have reduced strength and endurance in inspiratory muscles, which may contribute to exercise intolerance and is associated with a poor prognosis.MethodsThirty-two patients with CHF and weakness of inspiratory muscles (maximal inspiratory pressure [Pimax] <70% of predicted) were randomly assigned to a 12-week program of inspiratory muscle training (IMT, 16 patients) or to a placebo-inspiratory muscle ...
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