Prospective study of acute renal failure in 135 elderly patients / 中国综合临床

ABSTRACT

Objective To investigate the etiology,prognosis and risk factors of hospitalized elaerly patients with acute renal failure(ARF).Methods The clinical data of elderly patients with ARF in our hospital from De-cember 2003 to December 2006 were studied prospectively.The clinical features were comparea with those of the non-aged patients with ARF during the same period.Results Of 320 patients,135(42.2%)were identified with the onset of ARF.Infections and postrenal obstructive diseases were the major causes of ARF in the elderly.Fifty-one dead patients in the young,thirty-one in the 60-79 years old group,and twenty in the above 80 years old group(P<0.05).The results of logistic regression analysis suggested that oliguria,previous renal inadequacy and heart failure were the related risk factors of prognosis.Conclusion The incidence and mortality of hospitalized elderly patients with ARF are high.With the rising of age.the mortality of ARF increases.Dialysis in time might improve the progno-sis of ARF.