Key result
Spontaneously hypertensive rats exhibited nearly 50% lower central vascular compliance during blood volume expansion compared to normotensive rats.
Why the study?
Does blood volume expansion affect central and peripheral vascular compliances differently in spontaneously hypertensive rats compared to normotensive rats?
Population
Male, adult conscious spontaneously hypertensive rats and normotensive Wistar-Kyoto rats with intact nervous…
Comparison
10% and 20% blood volume expansion vs Normotensive Wistar-Kyoto rats undergoing the…
Design
Preclinical
Authors
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Hypothesis-generating for impaired capacitance vessel function in hypertension; human studies needed before clinical relevance.
Does blood volume expansion affect central and peripheral vascular compliances differently in spontaneously hypertensive rats compared to normotensive rats?
The decreased total vascular compliance in spontaneously hypertensive rats is mainly due to decreased distensibility of systemic capacitance vessels.
Ricksten et al. (1981) studied Hypertension. Blood volume expansion vs. Normotensive Wistar-Kyoto rats was evaluated on Changes in left and right atrial pressure, central and peripheral blood volumes, and vascular compliances. Spontaneously hypertensive rats exhibited nearly 50% lower central vascular compliance during blood volume expansion compared to normotensive rats.
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