Key result
Hypertension was associated with lower carotid artery distensibility at mean arterial pressure (7.8 vs 11.7 kPa-1.10(-3); P<0.05), but not at a common distending pressure of 100 mm Hg.
Why the study?
Is the decrease in carotid artery distensibility in hypertensive patients due to structural changes or increased distending pressure?
Population
29 subjects comprising 15 hypertensive patients and 14 age- and sex-matched normotensive controls
Comparison
Hypertension (observational exposure) vs Normotension
Design
Case-control
Authors
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Carotid distensibility loss in hypertension appears pressure-mediated rather than structural; leaves open whether stiffness-targeted therapies add benefit beyond BP control.
Cross-Sectional (n=29)
Is the decrease in carotid artery distensibility in hypertensive patients due to structural changes or increased distending pressure?
Absolute Event Rate: 7.8% vs 11.7%
p-value: p=< .05
The reduction in large-artery distensibility observed in hypertensive patients is primarily driven by increased distending pressure rather than intrinsic structural changes.
Laurent et al. (1994) conducted a cross-sectional in Hypertension (n=29). Hypertension vs. Normotension was evaluated on Arterial distensibility at mean arterial pressure (p=< .05). Hypertension was associated with lower carotid artery distensibility at mean arterial pressure (7.8 vs 11.7 kPa-1.10(-3); P<0.05), but not at a common distending pressure of 100 mm Hg.
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