Why the study?
Do spontaneously hypertensive rats exhibit differences in microvascular length and surface area compared to normotensive rats under innervated, denervated, and vasodilated conditions?
Population
14 spontaneously hypertensive rats (SHR) and 14 Wistar-Kyoto rats (WKY), weighing 70-130 g
Comparison
Evaluation of cremaster muscle microvasculature… vs Wistar-Kyoto rats serving as normotensive controls
Design
Preclinical
Authors
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Findings in hypertensive rats do not inform human practice; leaves open microvascular rarefaction mechanisms for clinical investigation.
Do spontaneously hypertensive rats exhibit differences in microvascular length and surface area compared to normotensive rats under innervated, denervated, and vasodilated conditions?
Spontaneously hypertensive rats exhibit anatomical microvascular rarefaction in skeletal muscle, with a greater percentage of vessels closed to flow under resting conditions compared to normotensive controls.
Chen et al. (1981) studied this question.
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