A randomized comparison between pulse pressure variation and central venous pressure in patients undergoing renal transplantation

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Abstract

Background and Aims: Intraoperative fluid management is important in renal transplant recipients with end-stage renal disease. Conventionally, central venous pressure (CVP) has been used to guide perioperative fluid administration but with high incidence of poor graft outcome. There is a requirement of reliable parameter to guide the fluid therapy in these patients so as to minimize the perioperative complications and improve the outcome. Hence, this study was conducted. Material and Methods: This prospective study included 75 patients of chronic kidney disease undergoing renal transplantation. Patients were divided into two groups. Group A (control group): Intraoperative fluids were guided by CVP; Group B: Intraoperative fluids were guided by pulse pressure variation (PPV). Primary outcome measure of this study was incidence of delayed graft functioning, i.e., need of hemodialysis within 7 days of renal transplant. Secondary outcome measures were incidence of perioperative hypotension, post-transplant pulmonary edema, tissue edema, and lactic acidosis. Results: Total amount of fluid before reperfusion was significantly greater in the control group (P = 0.005). However, the total amount of fluid required at the end of surgery was comparable. Delayed graft functioning was seen only in CVP group, although it was not statistically significant. The postoperative tissue edema was more in CVP group (P = 0.03). The postoperative nausea and vomiting, pulmonary edema, and mechanical ventilation were more in CVP group but not statistically significant. Increase in lactate value was more in CVP group. Conclusion: Perioperative fluid guidance by PPV is better than central venous pressure in renal transplant patients.

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APA

Goyal, V., Gupta, P., Baj, B., & Garg, V. (2021). A randomized comparison between pulse pressure variation and central venous pressure in patients undergoing renal transplantation. Journal of Anaesthesiology Clinical Pharmacology, 37(4), 628–632. https://doi.org/10.4103/joacp.JOACP_23_20

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