Effects of Ringer Lactate Normal Saline Combination versus Normal Saline during Renal Transplantation Surgery on Early Postoperative Outcome
Background: Traditionally normal saline is the most common crystalloid solution that is used in transplant surgery. Normal saline (NS) because of the higher risk of acidosis and higher levels of serum chloride may have more deleterious effects in kidney transplant recipients Thus; the aim of this study was to determine the safety of ringer lactate normal saline combination if used during a renal transplant.
Methods: One Hundred adults undergoing kidney transplantations were enrolled in a double-blinded randomized prospective clinical trial. They were divided into two groups in order to receive RL& NS and NS infusion as intraoperative IV fluid replacement therapy. All patients received 40 ml/kg fluid during surgery. Serum chloride, sodium, Cr and BUN were checked before operation and 6hour after surgery. Urine output BUN and Cr was also checked in 1, 3 and 7 day after surgery. At the end of surgery, we corrected the acid base status with bicarbonate according to base excess< -15 or PH<7.15 if needed in both groups.
Results: There was a significant difference in the serum chloride level (p= 0.001) and urine output (p= 0.003) between the two groups at the 6 hours after transplantations. Postoperative BUN and Cr level at 2,3 and 7 days in RL&NS group was significantly lower than group of NS (P= 0.011). Also, urine output during this study time was significantly higher in RL&NS group (p=0.001).
Conclusion: Combination of Ringer lactate &normal saline crystalloid solutions are associated with higher urinary output and most favorited out come in the early post-operative days after renal transplantation surgeries.
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