The chronic effects of muscle-resistance training in arterial pressure of hypertensive elderly: a meta-analysis

Priscila dos Santos Bunn, Nádia de Souza Lima, Gabriela Rezende de Oliveira Venturini, Elirez Bezerra da Silva


Introduction: Little research has been done on the effects of muscle-resistance training (RT) in hypertensive older adults. Thus, the aim of the present meta-analysis was to verify the efficacy of RT, on a chronic basis, on the systolic (SBP) and diastolic blood pressure (DBP) of controlled hypertensive older adults. Method: Several literature databases were explored to find studies that examined controlled and randomized trials that evaluated the effects of RT in hypertensive older adults for a period of more than 10 weeks. Profile of the participants, sample size, intervention protocol and results of SBP and DBP were analyzed. The PEDro scale and the Cochrane tool were used to analyze the methodological quality of the studies and the risk of bias, respectively. The RevMan5.3 program was used to analyze the results on the SBP and DBP after the RT intervention and in the control groups. Results: The meta-analysis of five studies included showed that, considering the 96 hypertensive individuals who underwent RT and 104 hypertensive control subjects, the regular practice of RT for 12 to 16 weeks, three times a week, with three sets of 8 to 12 repetitions at an intensity of 60% to 80% of one-repetition maximum (1-RM), significantly reduced SBP by 7.26 mmHg (CI 95% = -9.16 – 5.37) and DBP by 4.84 mmHg (CI 95% = -5.89 – 3.79). Conclusions: The muscle-resistance training was effective in reducing, chronically, the blood pressure of controlled hypertensive older adults. It can decrease the need for medication inherent to hypertension.


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