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Decreased renal responses to atrial natriuretic peptide in renal wrap hypertension
M Takata1, K M Denton, R L Woods
1Emily E. E. Stewart Renal Laboratory, Baker Medical Research Institute, Prahran, Victoria, Australia.
Clinical and Experimental Pharmacology & Physiology
|April 1, 1988
Abstract:
1. The effects of atrial natriuretic polypeptide (ANP) on renal function were examined in renal wrap hypertensive rabbits and sham operated rabbits. 2. ANP (2 micrograms/min) induced hypotension, but did not produce significant diuresis, natriuresis or change in the glomerular filtration rate (GFR) in renal wrap hypertensive rabbits (n = 8). 3. In sham operated normotensive rabbits (n = 4), ANP induced significant diuresis (230%) and increased GFR by about 40%. 4. Thus, ANP was markedly less effective in the impaired kidneys of renal wrapped rabbits than in normal kidneys.