Why the study?
Do borderline and mildly hypertensive patients exhibit different cardiovascular and hemodynamic reactivity during isometric exercise compared to normotensive subjects?
Population
82 subjects, including 25 normotensive subjects, 15 borderline hypertensive patients, and 42 mildly…
Comparison
Isometric exercise at 30% of the maximum force… vs Normotensive subjects
Design
Cross-sectional
Authors
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Hypertensives may show vascular-dominant BP responses during isometric exercise; hypothesis-generating and should not yet change practice.
Do borderline and mildly hypertensive patients exhibit different cardiovascular and hemodynamic reactivity during isometric exercise compared to normotensive subjects?
Borderline and mildly hypertensive patients demonstrate a shift toward alpha-adrenergic vascular reactivity (increased peripheral resistance) rather than beta-adrenergic reactivity (increased contractility) during exercise.
Champlain et al. (1991) studied this question.
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