A school-based exercise intervention significantly improved endurance performance (P<0.001), pulse pressure (P=0.028), and aortic pulse wave velocity (P=0.037) compared to control.
RCT (n=105)
Does a school-based exercise intervention improve endurance performance, blood pressure, and arterial stiffness in children?
A school-based exercise intervention significantly improves endurance performance and parameters of arterial stiffness in children.
valor p: p=<.001
PURPOSE: To evaluate the effectiveness of a school-based exercise intervention on endurance performance (EP), blood pressure (BP), and arterial stiffness in children. METHODS: A total of 105 students (mean age = 8.2 0.6 y; 51% girls; body mass index = 17.8 3.0 kg/m2) were randomized to the intervention group (IG, n = 51) and control group (CG, n = 54). During a 37-week experimental period, the IG received an exercise intervention (2 × 45 min/wk) in addition to their regular school physical education class (3 × 45 min/wk). EP, peripheral and central BP, pulse pressure, augmentation pressure, augmentation index, and aortic pulse wave velocity were assessed. RESULTS: Following the intervention, significant changes (P < .05) in EP, peripheral and central systolic BP, pulse pressure, augmentation pressure, augmentation index, and aortic pulse wave velocity were found in the IG. Children in the CG displayed significant changes in peripheral and central diastolic BP. An analysis of the baseline-to-post changes revealed significant between-group differences in EP (P < .001), pulse pressure (P = .028), augmentation pressure (P = .007), and aortic pulse wave velocity (P = .037) that favored the IG and in peripheral and central diastolic BP that favored the CG. CONCLUSION: The school-based exercise intervention had beneficial effects not only on EP but also on different hemodynamic parameters.
Ketelhut et al. (Thu,) llevaron a cabo un ensayo controlado aleatorio en niños sanos (n=105). La intervención de ejercicio en la escuela frente al grupo control (solo educación física regular) se evaluó en rendimiento de resistencia, presión arterial y rigidez arterial (p=<.001). Una intervención de ejercicio basada en la escuela mejoró significativamente el rendimiento de resistencia (P<0.001), la presión del pulso (P=0.028) y la velocidad de onda de pulso aórtico (P=0.037) en comparación con el control.
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