Effects of moderate intensity exercise on serum lipids in African-American men with severe systemic hypertension

The American Journal of Cardiology
P F KokkinosV Papademetriou

Abstract

The prevalence of systemic hypertension and its cardiovascular consequences is higher in African-Americans than in whites. Low to moderate intensity aerobic exercise lowers blood pressure (BP) in African-American patients with severe hypertension. It is not known whether such exercise can improve lipid metabolism in these patients. Thirty-six African-American men with established essential hypertension, aged 35 to 76 years, were randomly assigned to an exercise (n = 17) or no exercise (n = 19) group. The exercise group exercised for 16 weeks, 3 times/week, at 60% to 80% of maximum heart rate. After 16 weeks, peak oxygen uptake in the exercise group improved (21+/-4 vs 23+/-3 ml/kg/min; p <0.001). Body weight did not change. Exercise intensity correlated with high-density lipoprotein (HDL) cholesterol changes from baseline to 16 weeks (r = 0.65; p <0.01) and was the strongest predictor of these changes (R2 = 0.4; p = 0.009). Lipoprotein-lipid changes in the 2 randomized groups did not differ significantly. A 10% increase in HDL cholesterol--42+/-19 versus 46+/-19 mg/dl; p = 0.003--noted in 10 patients who exercised > or = 75% of maximal heart rate suggested the existence of an exercise intensity threshold. Thus low to moderate i...Continue Reading

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Citations

Jul 23, 2008·The Journal of Men's Health & Gender : the Official Journal of the International Society for Men's Health & Gender·George A Kelley, Kristi S Kelley
May 24, 2005·Atherosclerosis·George A Kelley, K S Kelley
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