Enlarged Heart No Excuse for Inactivity
Patients with hypertrophic cardiomyopathy (HCM) may unnecessarily place restrictions on their physical activity, a survey suggested.
The clinical expression of hypertrophic cardiomyopathy (HC) is undoubtedly inﬂuenced by modifying genetic and environmental factors. Lifestyle practices such as tobacco and alcohol use, poor nutritional intake, and physical inactivity are strongly associated with adverse cardiovascular outcomes and increased mortality in the general population. Before addressing the direct effect of such modiﬁable factors on the natural history of HC, it is critical to deﬁne their prevalence in this population.
Time spent participating in vigorous or moderate activity was a strong predictor
of self-reported exercise capacity. The body mass index was greater in the HC cohort than in
the NHANES cohort. Exercise restrictions negatively affected emotional well-being in most
surveyed subjects. In conclusion, patients with HC are less active than the general United
States population. The well-established relation of inactivity, obesity, and cardiovascular
mortality might be exaggerated in patients with HC. More data are needed on exercise in
those with HC to strike a balance between acute risks and the long-term health beneﬁts of
1- (Am J Cardiol 2013;111:1034e1039)
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