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  • Title: Cystatin C is a good predictor of hepatorenal syndrome and survival in patients with cirrhosis who have normal serum creatinine levels.
    Author: Ahn HS, Kim YS, Kim SG, Kim HK, Min SK, Jeong SW, Jang JY, Lee SH, Kim HS, Kim BS, Park JM.
    Journal: Hepatogastroenterology; 2012 Jun; 59(116):1168-73. PubMed ID: 22057374.
    Abstract:
    BACKGROUND/AIMS: We evaluated the usefulness of cystatin C as a prognostic marker in patients with liver cirrhosis and normal serum creatinine. METHODOLOGY: We retrospectively analyzed prospectively enrolled patients with liver cirrhosis and normal serum creatinine from February 2007 to March 2008. We checked liver function and kidney variables including serum creatinine, cystatin C and glomerular filtration rate from 51Cr-EDTA on the same day for all patients. The endpoints of the study were either development of hepatorenal syndrome or mortality. RESULTS: In total, 112 patients with liver cirrhosis were enrolled in the study (87 men and 25 women, age 52 ± 12 years). Twelve (11%), 59 (53%) and 41 (36%) patients were in Child-Pugh class A, B and C, respectively. Cystatin C was better correlated with glomerular filtration rate from 51Cr-EDTA than creatinine. The 1-year cumulative incidence of hepatorenal syndrome and the 1-year survival rate of patients were 20.5% and 79.5%, respectively. Cystatin C, Model for End-Stage Liver Disease and serum sodium were the independent predictive factors for hepatorenal syndrome. Cystatin C, serum sodium and prothrombin time were the independent factors for predicting survival. CONCLUSIONS: In patients with liver cirrhosis and normal creatinine levels, cystatin C is a useful marker for predicting hepatorenal syndrome and survival.
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