Key result
Angiotensin II-salt hypertension in rats is characterized by increased splanchnic sympathetic nerve activity, decreased renal SNA, and unchanged skeletal muscle SNA.
In a rat model of Ang II-salt hypertension, sustained high blood pressure is driven by increased splanchnic sympathetic nerve activity rather than renal or skeletal muscle sympathetic activity.
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These region-specific SNA patterns in rats do not alter clinical practice; they extend preclinical mapping of sympathetic contributions to Ang II-salt hypertension.
Osborn et al. (2009) conducted a review in Angiotensin II-salt hypertension. Angiotensin II and high-salt diet vs. Normal-salt diet / control levels was evaluated on Region-specific sympathetic nerve activity (SNA) and arterial pressure. Angiotensin II-salt hypertension in rats is characterized by increased splanchnic sympathetic nerve activity, decreased renal SNA, and unchanged skeletal muscle SNA.
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