[Renal dysfunction after spontaneous bacterial peritonitis in cirrhosis: incidence and risk factors.

[Article in Korean]

Korean J Gastroenterol. 2006 Dec;48(6):401-7.

Jung ES, Lee JS, Kim MH, Kim NH, Kim KA, Moon YS.

Department of Internal Medicine, College of Medicine, Inje University, Ilsanpaik Hospital, Goyang, Korea.

Background/Aims: Deterioration of renal function in patients with cirrhosis and spontaneous bacterial peritonitis (SBP) is the most sensitive predictor of in-hospital mortality. It has been shown that high dose intravenous albumin in addition to antibiotics reduces the incidence of renal impairment and improve hospital survival in these patients. Besides, it is important to know which patients would benefit from albumin infusion.

Therefore, we conducted a retrospective study to elucidate the incidence and risk factors of renal dysfunction in cirrhotic patients with SBP. Methods: All medical records of 76 consecutive episodes of SBP in 60 patients were analyzed. Renal dysfunction after SBP was defined as elevation of BUN >30 mg/dL or serum creatinine >1.5 mg/dL in patients without preexisting renal insufficiency, or elevation of more than 50% of the baseline level in patients with renal dysfunction at the diagnosis of infection. Results: Of the 76 episodes, renal dysfunction was present in 31 (40.8%). Age, concurrent use of diuretics, large volume paracentesis (LVP) with volume expander, initial BUN and creatinine level were significant risk factors on univariate analysis. Of these, age and LVP were independent risk factors on logistic regression model. Conclusions: Renal dysfunction occurs in 40.8% of hospitalized patients after SBP. Considering poor prognosis of patients with renal dysfunction in SBP, close monitoring of renal function is needed and high dose intravenous albumin with antibiotics should be used especially in the elderly and those with LVP.

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