Key result
Young normotensive blacks demonstrated greater sympathetic vascular transduction during lower body negative pressure compared to whites (P<0.01), despite smaller increases in MSNA.
Why the study?
Does sympathetic vascular transduction differ between young normotensive black and white adults during lower body negative pressure?
Population
Young normotensive black and white adults
Comparison
Lower body negative pressure at -5, -15, and -40… vs Comparison between black and white subjects
Design
Cross-sectional
Authors
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May underlie racial BP reactivity differences; leaves open whether transduction precedes hypertension onset.
Cross-Sectional
Does sympathetic vascular transduction differ between young normotensive black and white adults during lower body negative pressure?
p-value: p=<0.01
Young normotensive blacks demonstrate greater sympathetic vascular transduction than whites, which may contribute to augmented blood pressure reactivity.
Ray et al. (2002) conducted a cross-sectional in Normotension. Black race vs. White race was evaluated on Sympathetic vascular transduction (%FVR/%MSNA) during lower body negative pressure (p=<0.01). Young normotensive blacks demonstrated greater sympathetic vascular transduction during lower body negative pressure compared to whites (P<0.01), despite smaller increases in MSNA.
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