Acute renal failure is a frequent complication at the Intensive Care Department. For this complication dialysis is often necessary. In our Intensive Care Department we have opted for continuous arteriovenous hemodiafiltration (CAVHD) as the treatment of first choice for patients with acute renal failure. We describe the results in 18 patients treated with CAVHD. In all patients an arterious and a venous catheter were placed, in most cases in the femoral artery and vein. A capillary hemofilter was placed between the catheters. In the filter a counterflow mechanism took place. All patients were successfully treated with CAVHD. Haemodynamic instability as an effect of the treatment did not appear. The fluid and electrolyte balance was perfectly under control. Renal function was recovered in 7 patients. Twelve patients died. The cause of death was never associated with the renal failure or with the CAVHD treatment.
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