Why the study?
Does essential hypertension impair flow-dependent vasodilation of the brachial artery compared to normotensive subjects?
Population
20 subjects (10 normotensive subjects and 10 age-matched hypertensive patients)
Comparison
Bidimensional pulsed Doppler assessment at rest… vs Normotensive subjects
Design
Case-control
Authors
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Preserved brachial vasodilation in hypertension cautions against assuming endothelial impairment; leaves open confirmation in larger prospective studies.
Does essential hypertension impair flow-dependent vasodilation of the brachial artery compared to normotensive subjects?
Velocity-dependent vasodilation of the brachial artery is preserved in patients with essential hypertension.
Laurent et al. (1988) studied this question.
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