Key result
The mesenteric circulation demonstrated a significant baroreflex component, whereas renal circulation stabilization relied solely on autoregulation, with autoregulation faster in the kidney (0.22 Hz).
Population
Wistar rats and young spontaneously hypertensive rats (SHR) anesthetized with isoflurane or halothane
Comparison
Acute mesenteric denervation vs Intact innervation
Design
Preclinical
Authors
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Animal data show mesenteric baroreflex involvement absent in kidney; extends autoregulation observations but leaves human translation open.
A physiologically significant baroreflex operates on the mesenteric, but not the renal circulation, while blood flow in both beds is effectively stabilized by autoregulation.
Abu‐Amarah et al. (1998) studied this question. The mesenteric circulation demonstrated a significant baroreflex component, whereas renal circulation stabilization relied solely on autoregulation, with autoregulation faster in the kidney (0.22 Hz).
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