Key result
Lower body negative pressure induced greater reflex increases in forearm vascular resistance in men with borderline hypertension compared to normotensive men (8.6 vs 4.5 units; p<0.05).
Why the study?
Does borderline hypertension alter cardiopulmonary baroreflex control of forearm vascular resistance during lower body negative pressure compared to normotensive individuals?
Observational (n=16)
Does borderline hypertension alter cardiopulmonary baroreflex control of forearm vascular resistance during lower body negative pressure compared to normotensive individuals?
Absolute Event Rate: 8.6% vs 4.5%
p-value: p=<0.05
Borderline hypertension is associated with augmented cardiopulmonary baroreflex control of forearm vascular resistance, suggesting an enhanced tonic inhibitory influence of cardiopulmonary baroreceptors.
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Borderline hypertension was associated with augmented baroreflex vasoconstriction; this case-control finding leaves open its role in hypertension progression.
Mark et al. (1982) conducted an observational in Borderline hypertension (n=16). Lower body negative pressure (LBNP) vs. Normotensive controls was evaluated on Reflex increases in forearm vascular resistance during LBNP-20 (p=<0.05). Lower body negative pressure induced greater reflex increases in forearm vascular resistance in men with borderline hypertension compared to normotensive men (8.6 vs 4.5 units; p<0.05).
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