Key result
Low- and moderate-intensity aerobic exercise similarly reduce post-exercise systolic blood pressure in mild hypertension.
Why the study?
The acute effects of low- and moderate-intensity aerobic exercise on post-exercise blood pressure in active adults with high-normal/grade I hypertension were not well characterized.
Does moderate-intensity aerobic exercise compared to low-intensity aerobic exercise reduce post-exercise blood pressure in active adults with high-normal/grade I hypertension?
RCT (n=13)
Randomized
Does moderate-intensity aerobic exercise compared to low-intensity aerobic exercise reduce post-exercise blood pressure in active adults with high-normal/grade I hypertension?
Absolute Event Rate: -10% vs -11.4%
p-value: p=>.05
A single 30-minute session of either low- or moderate-intensity aerobic exercise acutely reduces systolic blood pressure in active older adults with high-normal to grade I hypertension.
Either intensity supports acute SBP reduction in this population; extends post-exercise hypotension evidence to active adults with high-normal/grade I hypertension.
The aim of the study is to compare the acute effects of low- and moderate-intensity aerobic exercise on post-exercise blood pressure in active adults with high-normal/grade I hypertension. Thirteen physically active adults (67.0 ± 8.7 years) randomly completed two aerobic exercise sessions of 30 minutes at low (30% heart rate reserve [HRres]) and moderate (60% HRres) intensity. Blood pressure was assessed pre-session and every hour until 3 hours after. Systolic blood pressure decreased after both exercise intensities without significant differences between sessions at 1 hour after the session (30%: -10.0 ± 12.6% vs 60%: -11.4 ± 12.7 mm Hg, P > .05). Three hours after the 60% session, the systolic blood pressure remained significantly lower than baseline (139.9 ± 12.9 to 129.3 ± 11.9 mm Hg, P < .05), but without significant differences between sessions. No relevant changes were observed in diastolic and mean blood pressure. In conclusion, a single session of aerobic exercise acutely reduces systolic blood pressure in active adults with high-normal/grade I hypertension.
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Lopes et al. (2020) conducted an RCT in High-normal/grade I hypertension (n=13). Aerobic exercise vs. Between intensities (30% vs 60% HRres) was evaluated on Change in systolic blood pressure at 1 hour post-exercise (p=>.05). Low- and moderate-intensity aerobic exercise similarly reduced systolic blood pressure at 1 hour post-exercise (-10.0 vs -11.4 mm Hg, P > .05) in adults with high-normal/grade I hypertension.
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