Abstract:

Objective

To compare perioperative outcomes of retroperitoneal single-port and multi-port laparoendoscopic partial nephrectomy for renal tumor.

Methods

The clinical data of patients with renal tumors who underwent retroperitoneal multi-port or single-port partial nephrectomy from July 2021 to March 2023 were retrospectively analyzed， including 22 patients in the multi-port group and 20 patients in the single-port group.The perioperative clinical indicators such as operation time， perioperative bleeding and postoperative diversion were compared between the two groups.

Results

There was no significant difference between the two groups in operation time， perioperative bleeding，warm ischemia time， time for tumor resection， time for suture wound， total drainage volume three days after operation，anal exsufflation time， hemoglobin decrease and serum creatinine increase.However， the total length of incision and postoperative pain score were less in the single-port group than multi-port group （P＜0.001）.The positive surgical margins were negative in both groups.The follow-up time of renal malignant tumors in single-site group and multi-site group was （18.9±5.0） months and （18.7±5.7） months， respectively， with no significant difference.No local recurrence or distant metastasis occurred during the follow-up period.

Conclusion

Retroperitoneal laparoscopic partial nephrectomy with multiple-port or single-port is safe，feasible and effective.But for patients， single-port is better than multi-port in pain and postoperative incision scar， which is easier for patients to accept.

Key words: Renal tumor, Retroperitoneal, Single-site laparoendoscopy, Partial nephrectomy