Abstract
20 Wistar rats weighing 250-300 grams are anesthetized with propofol and remifentanil by continuous infusion to achieve D nephrectomy and renal artery clamping and for a period of 30 minutes. The animals will be divided into two study groups according to volume replacement performed: Ringer's lactate or hydroxyethyl starch. Blood samples taken before the completion of nephrectomy and rena…