Why the study?
Does local reduction in intravascular pressure via carotid clipping improve endothelium-dependent responses of cerebral arterioles in hypertensive rats?
Population
Normotensive Wistar-Kyoto rats (WKY) and stroke-prone spontaneously hypertensive rats (SHRSP)
Comparison
Clipping of one carotid artery at 1 month of age vs Sham-operated cerebral hemispheres
Design
Preclinical
Follow-up
5 months (from 1 month to 6 months of age)
Authors
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Pulse pressure reduction may restore select endothelial responses in cerebral arterioles; leaves open translation to human hypertension or stroke prevention.
Does local reduction in intravascular pressure via carotid clipping improve endothelium-dependent responses of cerebral arterioles in hypertensive rats?
Elevated intravascular pressure, specifically pulse pressure, may contribute to impaired endothelium-dependent relaxation in cerebral arterioles during chronic hypertension.
Baumbach et al. (1994) studied this question.
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