Why the study?
Do healthy young men with a parental history of hypertension exhibit different hemodynamic responses to an extended stress task compared to those with normotensive parents?
Population
20 healthy young men (10 with a parental history of hypertension, 10 age-matched with normotensive parents)
Comparison
Extended laboratory stressor vs Age-matched men with normotensive parents…
Design
Case-control
Follow-up
1 hour
Key result
Offspring of hypertensive parents exhibited significantly greater forearm blood flow (+52% vs +9%) and heart rate (+19% vs +3%) responses to a stress task compared to offspring of normotensives.
Authors
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Exaggerated stress reactivity may mark preclinical risk in hypertension-prone offspring; hypothesis-generating and requires prospective validation before clinical implications.
Observational (n=20)
Do healthy young men with a parental history of hypertension exhibit different hemodynamic responses to an extended stress task compared to those with normotensive parents?
Absolute Event Rate: 52% vs 9%
Healthy young men with a parental history of hypertension show exaggerated heart rate and forearm blood flow responses to stress, suggesting altered hemodynamic reactivity before the onset of clinical hypertension.
Ditto et al. (1989) conducted an observational in Parental history of hypertension (n=20). Extended laboratory stressor (video games with shock avoidance) vs. Men with normotensive parents was evaluated on Forearm blood flow response to stress task. Offspring of hypertensive parents exhibited significantly greater forearm blood flow (+52% vs +9%) and heart rate (+19% vs +3%) responses to a stress task compared to offspring of normotensives.