Why the study?
Is cardiopulmonary baroreflex control of muscle sympathetic nerve activity augmented in borderline hypertensive subjects compared to normotensive subjects?
Population
14 subjects (7 borderline hypertensive subjects and 7 age-, sex-, and weight-matched normotensive subjects)
Comparison
Three levels of nonhypotensive lower body… vs Normotensive subjects
Design
Case-control
Authors
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Supports augmented cardiopulmonary baroreflex in borderline hypertension; challenges arterial baroreflex impairment hypothesis but leaves open causality.
Is cardiopulmonary baroreflex control of muscle sympathetic nerve activity augmented in borderline hypertensive subjects compared to normotensive subjects?
Cardiopulmonary baroreflex control of sympathetic nerve activity is augmented in borderline hypertension, and this augmentation does not result from an attenuation of the arterial baroreflex.
Rea et al. (1990) studied this question.
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