ZHOU Dongbing , YANG Xuanhua , REN Mingyang , TENG Qing , PU Min , LÜ Zhenbing , LI Quanlin
  • Department of Gastrointestinal Surgery, Nanchong Central Hospital, The Second Clinical Institute of North Sichuan Medical College, Nanchong, Sichuan 637000, P. R. China;
REN Mingyang, Email: 2861746489@qq.com
transanal total mesorectal excision; rectal cancer; surgical quality
10.7507/1007-9424.201903039
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Objective To analyze whether transanal total mesorectal excision (taTME) can achieve high-quality TME, explore the non-patient factors affecting the quality of taTME, improve the quality of taTME.Methods The clinical data of 76 patients undergoing taTME from January 2015 to September 2018 in the Department of Gastrointestinal Surgery of Nanchong Central Hospital were retrospectively analyzed. The operative time, intra-operative bleeding volume, positive rate of circumferential margin, integrity of mesorectum, positive rate of margin and complications were taken as the observation indexes of operative quality. The improvement of surgical equipment, structured training, and the accumulation of surgical cases (No. 1–25 cases was early group, No. 26–50 cases was mid-term group, No. 51–76 cases was later stage group) were compared as grouping conditions, and various factors affecting the quality of taTME were analyzed.Results ① Pre- and post-the improvement of surgical equipment: compared to the pre-improvement of surgical equipment group, the distance between tumors and anal margin of patients in the post-improvement of surgical equipment was closer ［(4.9±1.3) cm vs. (5.9±2.7) cm, P=0.040］ and the postoperative hospital stay was shorter ［(10.6±3.9) d vs. (12.4±2.7) d, P=0.023］, while there were no significant difference in the amount of bleeding, the positive rate of circumferential margin, the integrity of mesorectum, the positive rate of margin and the complications in the two groups (P>0.05). ② Pre- and post-training for surgeon: compared to the pre-training group, the operative time in the post-training group was shortened ［(224.6±70.2) min vs. (275±77.0) min, P=0.020］, while there were no statistical differences in the amount of bleeding, the integrity of mesorectum, the difference of the positive rate of circumferential margin, the positive rate of distal margin, postoperative complications and postoperative hospital stay (P>0.05). ③ The cumulative grouping of cases: compared to the later stage group ［（218.8±69.5）min］, the operative time in the early group ［(275.2±82.6) min］ and the mid-term group ［(278.8±37.5) min］ were shortened with statistical difference (P=0.022, P=0.003). Moreover, compared to the early group ［(12.9±2.4) d］, the postoperative hospital stay in the mid-term group ［(10.8±4.0) d］ and the later stage group ［(10.2±3.6) d］ were shortened with statistical significance (P=0.032, P=0.007). However, there were no significant difference in the volume of bleeding, the positive rate of circumferential margin, the positive rate of incisal margin and the degree of mesangial integrity among the three groups (P>0.05).Conclusions taTME can achieve high-quality TME. With the improvement of equipment, the participation of structured training and the accumulation of surgical cases, taTME achieved consistent quality in about 50 cases. The improvement of surgical equipment is the guarantee of the quality of taTME. Structured training is the key to improve the surgical quality of taTME.

Citation： ZHOU Dongbing, YANG Xuanhua, REN Mingyang, TENG Qing, PU Min, LÜ Zhenbing, LI Quanlin. Analysis for 76 cases of transanal total mesorectal excision and discussion on the non-patient factors affecting the quality of surgery. CHINESE JOURNAL OF BASES AND CLINICS IN GENERAL SURGERY, 2019, 26(6): 662-667. doi: 10.7507/1007-9424.201903039 Copy

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