Greater Physical Activity and Higher Androgen Concentrations Are Independently Associated with Lower Cardiometabolic Risk in Men.
Clinical endocrinology(2017)
摘要
Context: Male ageing is associated with lower circulating testosterone (T) and increased incidence of cardiovascular disease (CVD). Whether physical activity (PA) interacts with hormones to modify CVD risk is unclear. Objective: We assessed whether PA and sex hormone concentrations were independently associated with measures of CVD risk. Participants: A total of 1649 men. Methods: Leisure, home, work and total PA were ascertained. At baseline, serum T, dihydrotestosterone (DHT) and oestradiol (E2) were assayed. Men were stratified into high PA+high hormone (H/H); low PA+high hormone (L/H); high PA+low hormone (H/L); and low PA+low hormone (L/L). Results: Mean age was 49.8years at outset with 415 CVD events and 127 CVD deaths occurring during 20-year follow-up. Men with higher PA and higher T or DHT had lower odds of metabolic syndrome (eg leisure H/H vs L/L odds ratio [OR] 0.17 P<.001 for T, 0.26 P<.001 for DHT). Men with higher PA and E2 had lower risk of metabolic syndrome (eg leisure PA H/H vs L/L OR 0.51, P=.001). Men with higher leisure, work or total PA and higher DHT had the lowest risk of CVD death (eg leisure H/H hazard ratio [HR] 0.55 vs L/L, P=.033). Men with lower leisure, home or work PA and higher E2 were at greater risk of CVD death (eg leisure L/H HR 1.60 vs L/L, P=.039). Conclusions: Considering T, DHT and E2 in the context of PA better informs consideration of cardiovascular risk. A 2x2 factorial RCT assessing PA and androgens would illuminate the scope for preventing CVD in men.
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关键词
cardiovascular disease,metabolic syndrome,physical activity,testosterone
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