Key result
High-intensity retraining linked to ~7 mmHg lower daytime diastolic BP vs. moderate training in hypertension.
Why the study?
The study aimed to evaluate the effects of 12 weeks of training, 7 weeks of detraining, and 16 weeks of retraining using moderate or high intensity exercise on cardiovascular risk factors in hypertensive patients.
Does high-intensity exercise training improve cardiovascular risk factors more than moderate training in hypertensive patients?
Observational (n=34)
Does high-intensity exercise training improve cardiovascular risk factors more than moderate training in hypertensive patients?
Absolute Event Rate: 73.1% vs 79.6%
p-value: p=0.011
In hypertensive patients receiving medical therapy, prolonged high-intensity training programs appear more effective than moderate training in sustaining reductions in blood pressure and enhancing body composition.
May support prolonged HIT retraining for BP control in treated hypertensives; hypothesis-generating and leaves open superiority versus moderate training in RCTs.
BACKGROUND: The aim of the present study was to analyse the effect of 12 weeks of training, 7 weeks of detraining and 16 weeks of retraining using a moderate or high intensity training programme on cardiovascular risk factors in hypertensive patients. METHOD: Thirty-four patients took part in the study. The intensity training was 80-90% of maximum heart rate for the high-intensity training (HIT) group ( n = 15) and at 50-70% of maximum heart rate for the moderate training (MT) group ( n = 19). Blood pressure, body composition, lipid profile, fasting glucose, strength and cardiovascular fitness were analysed. RESULTS: The first training period did not decrease blood pressure, but the second training period saw significant decreases in blood pressures in HIT group. Moreover, 12 weeks of MT or HIT did not decrease body mass, body mass index or fat mass. However, after 7 weeks of detraining, the inclusion of a second training period using HIT saw decreases in these body composition variables. Both training periods and intensities improved high-density lipoprotein and low-density lipoprotein, but only HIT decreased total cholesterol. In addition, after 7 weeks of detraining, the lipid profile variables returned to baseline values. Additionally, 16 weeks of retraining with HIT or MT decreased blood glucose significantly. Moreover, MT and HIT training programmes in both periods improved cardiorespiratory fitness, but with 7 weeks of detraining, it returned to baseline values. CONCLUSION: Our data demonstrated the effectiveness of the inclusion of a MT or HIT programme as adjuvant therapy in hypertensive patients.
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Ávila-Gandía et al. (2023) conducted an observational in Hypertension (n=34). High-intensity training (HIT) vs. Moderate training (MT) was evaluated on Mean daytime diastolic blood pressure at 35 weeks (p=0.011). A second 16-week period of high-intensity training significantly reduced mean daytime diastolic blood pressure compared to moderate training (p=0.011) in hypertensive patients.
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