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Background  The objective of this study was to develop a modified retroperitoneal laparoscopic nephrectomy and compare its results with the previous technique.    Methods  One hundred retroperitoneal laparoscopic nephrectomies were performed from February 2007 to October 2011. The previous technique was performed in 60 cases (Group 1). The modified technique ( n  = 40) included fast access to the renal pedicle according to several anatomic landmarks and early ligation of renal vessels (Group 2). The mean operation time, mean blood loss, duration of hospital stay conversion rate and complication rate were compared between the groups.    Results  No significant differences were detected regarding mean patient age, mean body mass index, and tumor size between the two groups ( P  >0.05). The mean operation time was 59.5 ± 20.0 and 39.5 ± 17.5 minutes, respectively, in Groups 1 and 2 ( P  <0.001). The mean intraoperative blood loss was 147 ± 35 and 100 ± 25 ml, respectively, in Groups 1 and 2 ( P  <0.001). No significant differences were detected regarding the conversion rate and the complication rate between the two groups ( P  >0.05).    Conclusions  Early ligature using fast access to the renal vessels during retroperitoneal laparoscopic radical nephrectomy contributed to less operation time and intraoperative blood loss compared with the previous technique. In addition, the modified technique permits the procedure to be performed following the principles of open radical nephrectomy.

world journal of surgical oncology

Fast access and early ligation of the renal pedicle significantly facilitates retroperitoneal laparoscopic radical nephrectomy procedures: modified laparoscopic radical nephrectomy