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- W1978040069 abstract "purpose: The long-term effects of transjugular intrahepatic portosystemic shunts on renal sodium excretion are not known. We sought to determine these long-term effects, as well as to measure the effects of a sodium load in patients who are free of ascites. subjects and methods: Ten patients with cirrhosis who had been successfully treated with transjugular intrahepatic portosystemic stent shunt for refractory ascites were studied before the shunt and again at 6 and 14 months after the shunt while on a 22 mmol sodium/day diet. At 14 months they were also studied on a 200 mmol sodium/day diet for 7 days without diuretics. Renal sodium handling, central blood volume, neurohumoral factors, and hepatic function were measured. results: Sodium balance was negative at 6 months (urinary sodium excretion [mean ± SD] 51 ± 11 mmol/day versus 7 ± 2 mmol/day pre-shunt; P <0.05), was maintained at 14 months (22 ± 4 mmol/day; P <0.05 versus pre-shunt), and was associated with normalization of renin activity and aldosterone levels, but not norepinephrine levels, as well as significantly improved renal hemodynamic measurements. Sodium loading with 200 mmol/day resulted in weight gain associated with increased central blood volume and appropriate renal sodium handling in most but not all patients (urinary sodium excretion 188 ± 14 mmol/day), despite persistent nonsuppressibility of sympathetic hyperactivity. conclusions: In cirrhotic patients with refractory ascites treated with a transjugular intrahepatic portosystemic stent shunt, long-term renal sodium handling is improved. Adequate intravascular filling in ascites-free cirrhotic patients with normal portal pressure permits an improved but not normalized renal response to a sodium load, possibly due to persistently elevated sympathetic activity. Therefore, these patients should increase their sodium intake cautiously." @default.
- W1978040069 created "2016-06-24" @default.
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- W1978040069 date "1999-03-01" @default.
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- W1978040069 title "Long-term renal sodium handling in patients with cirrhosis treated with transjugular intrahepatic portosystemic shunts for refractory ascites22Part of this work was performed while holding a Fellowship in Hepatology from Schering Canada." @default.
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- W1978040069 doi "https://doi.org/10.1016/s0002-9343(99)00029-7" @default.
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