Why the study?
Does acute NOS inhibition with L-NNA alter renal blood flow autoregulation differently in spontaneously hypertensive rats compared to normotensive rats?
Population
Anesthetized young male spontaneously hypertensive rats (SHR) and normotensive Wistar-Kyoto (WKY) rats
Comparison
Acute intravenous NO synthase inhibition with… vs Baseline conditions and comparison between SHR…
Design
Preclinical
Authors
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Highlights greater NO dependence in SHR renal vasculature; hypothesis-generating for human hypertension and requires clinical validation.
Does acute NOS inhibition with L-NNA alter renal blood flow autoregulation differently in spontaneously hypertensive rats compared to normotensive rats?
The renal circulation in spontaneously hypertensive rats is highly dependent on nitric oxide to maintain basal blood flow, but has a limited capacity to modulate NO in response to changes in perfusion pressure.
Racasan et al. (2003) studied this question.
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