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Chinese Journal of Blood Purification ›› 2005, Vol. 4 ›› Issue (9) : 479-483.

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Abstract

Objectives To investigate the etiology prognosis and the risk factors of the acute renal failure(ARF) in the elderly patients. Methods All 96 patients with ARF in our hospital from Dec 2003 to Dec 2004 were divided into two groups: senile group (≥60 years old) and control group (＜60 years old). The clinical features, treatments and outcomes were analyzed. Results The senile group had 57patients（59.4%）;control group had 39 patients（40.6%）; the main causes of ARF in the elderly was severe infection and post renal obstructive diseases. The main complications were as follows: cardiovascular diseases, respiratory disease and severe infections. The diabetes mellitus（P＜0.05）, chronic renal failure, oliguria, respiratory failure, heart failure, mechanical ventilation, the need of renal replacement therapy were more prevalent in elderly patients than that in the younger ARF patients. The mortality of elderly patients was 38.6%, and the main cause of the death was the primary disease complicated with multiple organ dysfunction syndrome MODS, just as the control group(P＞0.05). Conclusions Severe infection was the main cause of ARF, complications and death in elderly ARF patients. The primary diseases, severe complications and MODS were more prevalent in elderly patients. There is no difference of prognesis between senile group and control group.