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  • Title: Reduction in blood pressure and metabolic profile in overweight hypertensive boys participating in a 12-week aerobic exercise program.
    Author: Leite N, Tadiotto MC, Jose de Menezes-Junior F, Tozo TAA, Corazza PRP, Moraes-Junior FB, de Fátima Aguiar Lopes M, Pizzi J, Purim KSM, Coelho-E-Silva MJ, de Oliveira Pereira B, Mota J.
    Journal: Eur J Pediatr; 2024 Nov; 183(11):4659-4670. PubMed ID: 39177754.
    Abstract:
    Strategies for controlling hypertension include reducing excess fat and increasing muscle mass. However, the effects of exercise interventions on hypertension in adolescents have been little investigated. The purpose was to evaluate the effect of 12 weeks of aerobic exercise on systolic blood pressure (SBP) and diastolic blood pressure (DBP) and the cardiometabolic profile of overweight hypertensive and non-hypertensive boys. The sample included 107 boys diagnosed as overweight, aged between 12 and 17, divided into two non-hypertension groups, one control (GCN, n = 14) and one with exercise (GEN, n = 55), as well as two groups of hypertensives, one control (GCH, n = 12) and one with exercise (GEH, n = 26). The boys were assessed at the study baseline and after 12 weeks in terms of anthropometric parameters, biological maturation, SBP, DBP and mean blood pressure (MBP), lipid, and metabolic profile. The aerobic training programs lasted 12 weeks and were carried out in three weekly sessions at different intensities. The high-intensity interval training session lasted around 35 min at an intensity of 80-100% of the reserve heart rate, and the moderate-intensity of continuous training session lasted 60 min at an intensity of 35-75% of the reserve heart rate. Caloric expenditure was equivalent between the exercises (p = 0.388). CGN and CGH participated only in school physical activities. Repeated measures analysis of variance and clinical effect analysis using Cohen's effect size were used, with a significance level established at p < 0.05. After 12 weeks, all groups increased their height (p < 0.05), but only the exercise groups showed a reduction in anthropometric variables (p < 0.05), with a possibly beneficial effect in GEN (d =  - 0.203; p = 0.003). No differences were found in the variables for the GCN. The GCH and GEH groups reduced SBP (p < 0.05), but only GEH showed a reduction in DBP (p = 0.005) and MBP (p = 0.001). In relation to the lipid profile, GEH maintained HDL-c close to baseline values, while GCH showed a reduction in HDL-c (p = 0.021). Regarding the clinical effect of exercise on hypertension, GEH showed a large and very beneficial effect size on DBP (d =  - 0.916; p = 0.006) and MBP (d =  - 0.926; p = 0.005).Conclusion: Hypertensive boys who practiced physical exercise showed greater effects in reducing blood pressure, indicating the importance of non-drug therapeutic management in overweight adolescents.Trial registration:Brazilian Registry of Clinical Trials RBR-4v6h7b / RBR-6343y7.
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