Anaesthesia for laparoscopic kidney transplantation: Influence of Trendelenburg position and CO2 pneumoperitoneum on cardiovascular, respiratory and renal function

Beena Kandarp Parikh, Veena R Shah, Pranjal R Modi, Beena P Butala, Geeta P Parikh, Beena Kandarp Parikh, Veena R Shah, Pranjal R Modi, Beena P Butala, Geeta P Parikh

Abstract

Background: Laparoscopic donor nephrectomy is a routine practice since 1995. Until now, the recipient has always undergone open surgery for transplantation. In our institute, laparoscopic kidney transplantation (LKT) started in 2010. To facilitate this surgery, the patient must be in steep Trendelenburg position for a long duration. Hence, we decided to study the effect of CO2 pnuemoperitoneum and Trendelenburg position in chronic renal failure (CRF) patients undergoing LKT.

Methods: A total of 20 adult CRF patients having mean age of 31.7±10.36 years and body mass index 19.65±3.41 kg/m(2) without significant coronary artery disease were selected for the procedure. Cardiovascular parameters heart rate (HR), mean arterial pressure (MAP), Central venous pressure (CVP) and respiratory parameters (ETCO2, peak airway pressure) were noted at the time of induction, after induction, 15 min after creation of pnuemoperitoneum, 30 min after Trendelenburg position, 15 min after decompression of pnuemoperitonuem and after extubation. Arterial blood gas analysis was carried out after induction, 15 min after creation of pnuemoperitoneum, 30 min after Trendelenburg position and 15 min after clamp release. Total duration of surgery, anastomosis time, time for the establishment of urine output and total urine output were noted. Serum creatinine on the 1(st) and 7(th) post-operative day were recorded.

Results: Significant increase in HR was observed after creation of CO2 pneumoperitoneum and just before extubation. Significant increase in the MAP and CVP was noted after creation of pneumoperitoneum and after giving Trendelenburg position. No significant rise in the ETCO2 and PaCO2 was observed. Significant increase in the base deficit was observed after the clamp release, but none of the patients required correction.

Conclusion: LKT performed in steep Trendelenburg position with CO2 pneumoperitoneum significantly influenced cardiovascular and respiratory homeostasis; however, measured parameters remained within clinically acceptable range without affecting early function of the transplanted kidney.

Keywords: CO2 pneumoperitoneum; Trendelenburg position; laparoscopic kidney transplantation.

Conflict of interest statement

Conflict of Interest: None declared

Figures

Figure 1
Figure 1
Heart rate and mean arterial pressure changes
Figure 2
Figure 2
Central venous pressure monitoring
Figure 3
Figure 3
Respiratory parameters

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