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| The Clinical Comparative Study of Two Kinds of Nephron-sparing Operation for the Treatment of Stage T1 Renal Neoplasm in Laparoscopic Approach |
| Luoyang Central Hospital Affiliated to Zhengzhou University，Luoyang 471000，China |
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Abstract Objective：To compare the safety and feasibility of transperitoneal and retroperitoneal laparoscopic partial nephrectomy（ LPN） in the treatment of renal neoplasm with T1 stage. Method：The medical records of 52 patients with renal neoplasm in T1 stage underwent transperitoneal LPN of 28 cases and retroperitoneal LPN of 24 cases were retrospectively reviewed from June 2010 to January 2015.The mean operative time，estimated blood loss， warm ischemia time， tolerating regular diet time， postoperative hospital stay and surgical margin were compared between the two groups. Result：All the patients’ operation were successfully completed without complications intraoperative.The transperitoneal LPN group had a shorter mean operative time（ 90.6±25.2）min than retroperitoneal LPN group（ 122.3±30.2） min，the difference was statistically significant（P<0.05）.But showed longer tolerating regular diet time（ 39±9）h than （26±6）h and postoperative hospital stay time（ 8.8±1.7）d than（ 6.3±1.4）d，the difference was statistically significant（P<0.05）.No significant differences in warm ischemia time，estimated blood loss，and surgical margin between the two groups（P<0.05）.Conclusion：Both transperitoneal LPN and retroperitoneal LPN are safe and effective for surgical management of renal tumors with T1 stage，the transperitoneal procedure offers larger operative space with better exposure，the retroperitoneal procedure better promotes postoperative recovery of the patients.
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