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  • Title: Influence of renal replacement therapy on outcome of patients with acute renal failure.
    Author: Kresse S, Schlee H, Deuber HJ, Koall W, Osten B.
    Journal: Kidney Int Suppl; 1999 Nov; (72):S75-8. PubMed ID: 10560811.
    Abstract:
    There are many controversial results about the influence of acute renal failure (ARF) and renal replacement therapy (RRT) on patient outcome in intensive care units. This retrospective study compared demographics. severity, course, and prognosis of ARF during 36 months (period 1, 1991 through 1993; 128 cases) and 18 months (period 2, 1994 through 1995; 141 cases). Compared with period 1, during period 2 there was a markedly increased incidence of ARF. There were no significant differences in patient demographics or etiology of renal failure, but the therapeutic approach to ARF was quite different. During period 2, RRT was started at earlier stages of renal insufficiency (that is, less elevated creatinine serum concentrations or reduced diuresis). Additionally, there was a significant increase in the numbers of continuous RRT (CRRT) replacing the discontinuous mode of dialysis treatment. Compared with period 1, mortality was reduced from 78.9 to 59.6% during period 2 (P < 0.001). There were no differences in mortality between the patients from internal and surgical wards. Mortality in patients treated with CRRT was in period 1 and in period 2 higher than mortality in patients treated with intermittent RRT, but these results are biased by a preferred use of CRRT in severely ill patients with an unstable circulatory system. These data suggest that the early onset of RRT reduces the mortality of intensive care unit patients with ARF independent of underlying diseases. An influence of the method of RRT, sex, and age on outcome of patients with ARF could not be proven.
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