Why the study?
Does high-intensity inspiratory muscle training improve autonomic activity, endothelial function, and NT-proBNP levels in patients with chronic heart failure?
Population
23 patients with chronic heart failure (mean LVEF 29 +/- 2%, NYHA class II-III)
Comparison
High-intensity inspiratory muscle training at… vs Low-intensity inspiratory muscle training at 15%…
Design
Cohort
Follow-up
10 weeks
Authors
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High-intensity IMT may improve exercise tolerance and dyspnea in mild-moderate CHF; leaves open mechanisms beyond endothelial or autonomic pathways.
Does high-intensity inspiratory muscle training improve autonomic activity, endothelial function, and NT-proBNP levels in patients with chronic heart failure?
High-intensity inspiratory muscle training improves exercise tolerance and dyspnea in mild to moderate chronic heart failure, but does not significantly affect autonomic balance, endothelial function, or NT-proBNP levels.
Laoutaris et al. (2008) studied this question.
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