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Prediction of acute renal failure following soft-tissue injury using the venous bicarbonate concentration
D J Muckart1, M Moodley, A G Naidu
1Department of Surgery, University of Natal Medical School, Durban, South Africa.
Abstract:
Sixty-four patients with soft-tissue injuries were studied prospectively to determine whether an initial venous bicarbonate concentration (VBC) of less than 17 mmol/L would predict the development of myoglobin-induced acute renal failure. The VBC was > 17 mmol/L in 59 patients, seven of whom had myoglobinuria. All recovered without renal complications. The remaining five patients all had VBC < 17 mmol/L and four had myoglobinuria. Acute renal failure developed in four patients (p < 0.001). The VBC on hospital arrival was the most accurate predictor of these patients' risk for the development of acute renal failure following soft-tissue injury.