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Survival in acute renal failure influence of nutrition and associated complications


, : Survival in acute renal failure influence of nutrition and associated complications. Nephrologie 6(4): 171-176

A retrospective study of 150 patients with acute renal failure (ARF) was conducted to assess the influence of both protein and caloric intake and non-renal complications on the prognosis, as well as the predictive value of plasma protein levels. The majority of ARF had occurred in medical or surgical settings (46% and 32.7%, respectively). Nutritional data were available from 94 patients, fed either by parenteral or enteral routes, or both. The mean caloric intake was higher (29 kcal/kg/day) in patients who recovered than in those who did not (24 kcal/kg/day, P < 0.01). A caloric intake above 35 kcal/kg/day resulted in an improved survival, independently of either patients' age or non-renal complications. Serum prealbumin and transferrin levels were higher in surviving patients than in those who died, 0.25 vs 0.16 g/l (P < 0.001) and 1.7 vs. 1.4 g/l (P < 0.01), respectively. Nutritional support in ARF could be adapted according to the variations of these serum markers. Its influence on survival should be assessed with regard to the associated prognosis factors.

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