Why the study?
Does arterial baroreflex control of muscle sympathetic nerve activity differ between mild hypertensive and normotensive subjects?
Population
16 subjects (8 normotensive and 8 mild hypertensive)
Comparison
1 min intravenous infusion of phenylephrine and… vs Normotensive subjects
Design
Cross-sectional
Authors
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Baroreflex gain preserved in mild hypertension; leaves open baroreflex contribution to elevated MSNA and requires prospective confirmation.
Does arterial baroreflex control of muscle sympathetic nerve activity differ between mild hypertensive and normotensive subjects?
Arterial baroreflex control of muscle sympathetic nerve activity is not depressed in mild hypertensive subjects, suggesting that elevated basal MSNA in mild hypertension is not a consequence of baroreflex dysfunction.
Silvana S. Meyrelles (1997) studied this question.
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