Key result
Exercise training done at least three times per week for 12 or more weeks increases functional capacity and improves symptoms in patients with chronic heart failure.
Why the study?
Does exercise training improve functional capacity and symptoms in patients with chronic heart failure and moderate-to-severe left ventricular systolic dysfunction?
Does exercise training improve functional capacity and symptoms in patients with chronic heart failure and moderate-to-severe left ventricular systolic dysfunction?
Structured exercise training, particularly aerobic exercise at least three times weekly, is an effective strategy to improve functional capacity and symptoms in patients with chronic heart failure and reduced ejection fraction.
Supports exercise training in chronic HF; leaves open optimal protocols from prospective RCTs.
Exercise training increases functional capacity and improves symptoms in selected patients with chronic heart failure and moderate-to-severe left ventricular systolic dysfunction. Patients should be assessed before they start an exercise program. Initial programs should be supervised, and the duration increased as tolerated. The most consistent benefits occur with exercise done at least three times per week for 12 or more weeks. Aerobic sessions can vary from 20 to 40 minutes, at 50% to 85% of peak heart rate on graded exercise tests or 40% to 70% of peak oxygen consumption. Low-risk patients who have completed at least 6 to 12 weeks of exercise without adverse effects may incorporate light-to-moderate resistance training.
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Braith et al. (2002) conducted a review in Chronic heart failure with moderate-to-severe left ventricular systolic dysfunction. Exercise training was evaluated on Functional capacity and symptoms. Exercise training done at least three times per week for 12 or more weeks increases functional capacity and improves symptoms in patients with chronic heart failure.
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