PMID: 7035058Jan 1, 1982Paper

Pathogenesis of salt retention in dogs with chronic bile-duct ligation

Clinical Science
C ChaimovitzO S Better

Abstract

1. The present study investigates the role of mineralocorticoids in the pathogenesis of salt retention and ascites in dogs with chronic ligation of the common bile duct (CBDL). 2. After CBDL the natriuretic response to an intravenous sodium load [0.9% sodium chloride solution (150 mmol/l): saline; 10% of body weight] was markedly depressed. Urinary sodium excretion was 285 +/- 62 vs 960 +/- 58 mumol/min in the control period before CBDL (P less than 0.001). This antinatriuresis was associated with a significant rise in plasma aldosterone concentration, from 52.5 +/- 5.5 pg/ml before CBDL to 177 +/- 50 pg/ml after CBDL (P less than 0.02). Ascites was present in all salt-retaining CBDL dogs. 3. Bilateral adrenalectomy resulted in disappearance of ascites and in a rise in the natriuretic response to extracellular volume expansion. Urinary sodium excretion was 770 +/- 124 mumol/min, a value significantly higher than in the CBDL dogs with intact adrenals (P less than 0.001). Sodium balance studies in the adrenalectomized CBDL dogs during chronic deoxycorticosterone acetate (DOCA) treatment (25 mg/day) showed that in these animals there was failure to escape from the mineralocorticoid-induced sodium retention. Glomerular filtration r...Continue Reading

Citations

Feb 1, 1983·Kidney International·O S Better, R W Schrier
Nov 1, 1983·Hepatology : Official Journal of the American Association for the Study of Liver Diseases·J BoschE H Storer

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