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Causes of renal failure in patients with decompensated cirrhosis and its impact in hospital mortality.
BACKGROUNDRenal failure (RF) is reported to occur in 11-49% of the patients with decompensated end-stage liver disease (ESLD) and has been associated with increased mortality, particularly in the occurrence of hepatorenal syndrome (HRS) type 1.
AIMSTo evaluate the frequency and outcome of RF in patients admitted to the hospital due to decompensated ESLD and to assess the impact of the underlying cause of RF on survival.
MATERIAL AND METHODSFour hundred and six patients (65% males, mean age 62 ± 12 years) with decompensated ESLD were evaluated for the occurrence of RF (defined as serum creatinine ³ 1.5 mg/mL). The underlying cause of RF was reckoned in each subject and compared to outcome.
RESULTSRenal failure was observed in 39% of the patients at admission and in 10% of the subjects during hospitalization. Mortality was significantly higher in subjects with RF (26 vs. 1%, p < 0.000001). Hypovolemia, bacterial infections, parenchymal kidney diseases and HRS were identified as causes of RF in, respectively, 40, 32, 15 and 12% of the cases. Mortality was significantly higher in those subjects with HRS type 1 and bacterial infections, when compared to other causes of RF.
CONCLUSIONSRenal failure occurs in nearly half of the patients with decompensated ESLD. It is most commonly caused by hypovolemia and bacterial infections. Occurrence of RF has an adverse impact in patient survival, particularly in those subjects with bacterial infections and HRS type 1, prone to develop progressive renal dysfunction despite intensive medical care.
Unit of Gastroenterology and Hepatology of the Portuguese Hospital of Salvador, Bahia, Brazil., , , , , , , ,
Annals of hepatology 11:1 pg 90-5
End Stage Liver Disease
Pub Type(s)Comparative Study