Key result
Normotensive subjects with higher resting systolic blood pressure (110 to 120 mmHg) exhibited delayed autonomic recovery following moderate exercise compared to those with lower resting SBP (<110 mmHg).
Why the study?
Pre-hypertension has received greater consideration for prevention strategies, prompting evaluation of autonomic and cardiorespiratory recovery following aerobic exercise in normotensive individuals with different systolic blood pressure values.
Does higher resting systolic blood pressure (110-120 mmHg) compared to lower resting systolic blood pressure (<110 mmHg) impair autonomic recovery following submaximal aerobic exercise in healthy normotensive men?
Observational (n=30)
No
Does higher resting systolic blood pressure (110-120 mmHg) compared to lower resting systolic blood pressure (<110 mmHg) impair autonomic recovery following submaximal aerobic exercise in healthy normotensive men?
p-value: p=0.010
Healthy normotensive men with high-normal resting systolic blood pressure (110-120 mmHg) exhibit delayed autonomic recovery after moderate exercise compared to those with strictly normal SBP (<110 mmHg), suggesting early physiological sub-optimization.
Suggests SBP-related recovery differences even in normotension; hypothesis-generating and should not yet change practice.
Blood pressure (BP) is a cardiovascular parameter applied to detect cardiovascular risk. Recently, the pre-hypertension state has received greater consideration for prevention strategies. We evaluated autonomic and cardiorespiratory recovery following aerobic exercise in normotensive individuals with different systolic BP (SBP) values. We investigated 30 healthy men aged 18 to 30 years divided into groups according to systolic BP (SBP): G1 (n = 16), resting SBP <110 mmHg and G2 (n = 14), resting SBP between 120–110 mmHg. The groups endured 15 minutes seated at rest, followed by a submaximal aerobic exercise on a treadmill and then remaining seated for 60 minutes also at rest, during recovery from the exercise. Cardiorespiratory parameters and heart rate (HR) variability (HRV) (rMSSD, SD1, HF [ms 2 ]) were evaluated before and during recovery from exercise. G2 displayed slower return of SBP, rMSSD and SD1 HRV indices during recovery from exercise compared to G1. In conclusion, normotensive subjects with higher resting SBP (110 to 120 mmHg) offered delayed autonomic recovery following moderate exercise. We suggest that this group may be less physiologically optimized leading to cardiac risks.
No takes yet. Share an insight, caveat, or question.
Oliveira et al. (2020) conducted an observational in Healthy normotensive (n=30). Higher resting systolic blood pressure (110-120 mmHg) vs. Lower resting systolic blood pressure (<110 mmHg) was evaluated on Autonomic recovery (rMSSD HRV index) following exercise (p=0.010). Normotensive subjects with higher resting systolic blood pressure (110 to 120 mmHg) exhibited delayed autonomic recovery following moderate exercise compared to those with lower resting SBP (<110 mmHg).
Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context: