• S H Han, T B Reynolds, and T L Fong.
• Division of Gastrointestinal and Liver Diseases, University of Southern California School of Medicine, Los Angeles, USA.
• Medicine (Baltimore). 1998 Jul 1; 77 (4): 233-45.

AbstractNephrogenic ascites is an entity that manifests as refractory ascites in patients with end-stage renal disease, where portal hypertensive, infectious, and malignant processes have been excluded. Most of these patients are undergoing hemodialysis. Hypoalbuminemia may predispose these uremic patients to ascites formation. The characteristics of the ascitic fluid suggest that the pathogenesis of the ascites is an alteration in peritoneal membrane permeability or impaired resorption due to peritoneal lymphatic channel obstruction. The ascitic fluid has a high protein content, low serum-ascites albumin gradient (SAAG), and low leukocyte count. Daily hemodialysis should be the initial therapy and is successful in one-third to three-fourths of patients within 3 weeks. Continuous ambulatory peritoneal dialysis or insertion of a peritoneovenous shunt are alternative treatments. Other therapies include instillation of intraperitoneal corticosteroids and binephrectomy, which have less predictable outcomes. Renal transplantation is the definitive treatment for nephrogenic ascites. Control of ascites reverses the progressive cachexia associated with uncontrolled disease, resulting in improved quality of life and survival approaching that of end-stage renal disease patients without ascites.

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