A slight increase (1%) in endothelial function is associated with reduction of cardiovascular risks by 13% in individuals with cardiovascular disease risk, including those with hypertension. Thus, we conducted a systematic review and meta-analysis to assess the efficacy of exercise training on endothelial function in individuals with hypertension. We included randomized clinical trials (RCTs) with adult participants diagnosed with hypertension undergoing exercise training (>= 4 weeks), and the primary outcome was endothelial function, measured by flow-mediated dilatation (FMD). Five studies comprising a total of 362 participants (252 exercise and 110 controls; 59.3 years old, ranged from 52.0 to 67.2 years) were included in the meta-analysis. The pooled mean estimate indicated increased FMD after exercise training of 1.45 (p = 0.001), and 95% confidence interval -0.11 to 3.00 compared with control comparators. The studies were characterized by significant heterogeneity (Chi2 = 23.34, p < 0.001, I2 = 70%). The present results are consistent with the notion that aerobic exercise training elicits favorable adaptations in endothelial function in individuals with hypertension. However, more studies are needed to make more definitive conclusions.

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