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HPB (Oxford). 2009 May;11(3):229-34. doi: 10.1111/j.1477-2574.2009.00040.x.

Renal haemodynamics and function following partial portal decompression.

Author information

  • 1Department of Surgery, University of South Florida, c/o Tampa General Hospital, Tampa, FL 33601, USA.

Abstract

BACKGROUND:

This study was undertaken to prospectively evaluate the impact of partial portal decompression on renal haemodynamics and renal function in patients with cirrhosis and portal hypertension.

METHODS:

Fifteen consecutive patients (median age 49 years) with cirrhosis underwent partial portal decompression through portacaval shunting or transjugular intrahepatic portosystemic shunting (TIPS). Cirrhosis was caused by alcohol in 47%, hepatitis C in 13%, both in 33% and autoimmune factors in 7% of patients. Child class was A in 13%, B in 20% and C in 67% of patients. The median score on the Model for End-stage Liver Disease (MELD) was 14.0 (mean 15.0 +/- 7.7). Serum creatinine (SrCr) and creatinine clearance (CrCl) were determined pre-shunt, 5 days after shunting and 1 year after shunting. Colour-flow Doppler ultrasound of the renal arteries was also undertaken with calculation of the resistive index (RI) and pulsatility index (PI). Changes in the portal vein-inferior vena cava pressure gradient with shunting were determined.

RESULTS:

With shunting, the portal vein-inferior vena cava gradients dropped significantly, with significant increases in PI in the early period after shunting. Creatinine clearance improved in the early post-shunt period. However, SrCr levels did not significantly improve. At 1 year after shunting, both CrCl and SrCr levels tended towards pre-shunt levels and the increase in PI did not persist.

DISCUSSION:

Partial portal decompression improves mild to moderate renal dysfunction in patients with cirrhosis. Early improvements in renal function after shunting begin to disappear by 1 year after shunting.

KEYWORDS:

Renal haemodynamics; portacaval shunting; renal function

PMID:
19590652
[PubMed]
PMCID:
PMC2697893
Free PMC Article
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