Background: The impact of chronic exercise on cardiometabolic risk is a crucial aspect of public health. However, limited knowledge exists regarding differences in cardiometabolic parameters between older athletes, older controls, and sedentary or active young controls.
Methods: A comprehensive search in major databases until October 2024 was conducted for studies comparing older athletes with older controls or with both sedentary and active younger adults. Mean differences (MDs) with 95 % confidence intervals were used for data reporting.
Results: From 25,910 screened studies, 61 studies including 75 cohorts were deemed of good quality, encompassing 1393 older athletes, 1369 older controls, 402 young sedentary controls, and 283 young active individuals. In comparison to older controls, older athletes exhibited significantly improved vascular parameters (systolic [MD=-5.04 mmHg] and diastolic [MD=-2.03 mmHg] blood pressure), cardiac (heart rate frequency [MD=-10.41 bpm]), and metabolic parameters (serum cholesterol profile). Conversely, when compared to young sedentary controls, older athletes displayed a less favorable blood pressure and metabolic (cholesterol, glucose) profile. Similar trends were observed when comparing older athletes to young active controls. Sensitivity and meta-regression analyses suggested that exercise lasting over 30 years might offer partial benefits for several markers of cholesterol and VO.
Conclusions: Long-term exercise is linked to a more optimal cardiometabolic profile, although it may not fully replicate the metabolic and cardiovascular health markers observed in younger individuals.
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| http://dx.doi.org/10.1016/j.arr.2024.102645 | DOI Listing |
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