PMID: 11923042Mar 30, 2002Paper

Deconditioning fails to explain peripheral skeletal muscle alterations in men with chronic heart failure

Journal of the American College of Cardiology
Brian D DuschaWilliam E Kraus

Abstract

It remains controversial whether the skeletal muscle alterations in chronic heart failure (CHF) are due to disease pathophysiology or result from chronic deconditioning. The purpose of this study was to compare the skeletal muscle of CHF patients to peak oxygen consumption (peak VO(2)) matched sedentary controls. It has been established that skeletal muscle abnormalities are related to the exercise intolerance observed in patients with CHF. We studied the skeletal muscle of sedentary controls and patients with CHF matched for age, gender and peak VO(2). Hypothesis testing for the effects of group (CHF vs. normal), gender, and the interaction group x gender were performed. For capillary density only gender (p = 0.002) and the interaction of group x gender (p = 0.007) were significantly different. For 3-hydroxyl coenzyme A (CoA) dehydrogenase only group effect (p = 0.004) was significantly different. Mean values for capillary density were 1.46 +/- 0.28 for CHF men versus 1.87 +/- 0.32 for sedentary control men, 1.40 +/- 0.32 for CHF women versus 1.15 +/- 0.35 for sedentary control women. The activities for 3-hydroxyl CoA dehydrogenase were 3.09 +/- 0.88 for CHF men versus 4.05 +/- 0.42 for sedentary control men, 2.93 +/- 0.72 for...Continue Reading

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