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  • Title: [Learning curve of laparoscopic D2 gastrectomy for gastric cancer].
    Author: Hu YF, Yu J, Wang YN, Zhang C, Cheng X, Li GX.
    Journal: Nan Fang Yi Ke Da Xue Xue Bao; 2010 May; 30(5):1095-8. PubMed ID: 20501404.
    Abstract:
    OBJECTIVE: To analyze the learning curve for an experienced laparoscopic colorectal surgeon in performing to laparoscopic D2 gastrectomy for gastric cancer. METHODS: From July 2004 to July 2009, 70 patients undergoing laparoscopic D2 gastrectomy performed by a single surgical team were retrospectively evaluated. The patients were divided into groups A to G (n=10) based on the surgery date, and the operation time, estimated blood loss (EBL), conversion to open surgery, number of lymph nodes harvested, complications, and recovery indicators were compared. RESULTS: No statistical differences were found among the groups in age, gender, gastrectomy approach, EBL, number of lymph nodes harvested, time to flatus, or postoperative hospital stay (P>0.05). No significant differences were found in the operation time between groups A and B (P=0.999) or among the other 5 groups (P>0.05), but the operation time in groups A (300.00-/+104.59 min) and B (261.00-/+40.50 min) were significantly longer than that in the other 5 groups (C: 191.30-/+23.11 min, D: 188.60-/+31.38 min, E: 181.10-/+20.18 min, F: 167.50-/+32.81 min, and G: 161.30-/+29.03 min). Compared with that in group A, the time to liquid diet decreased significantly in the remaining 6 groups (P<0.05). Conversion to open surgery occurred in two cases (2.86%, both in group B), 2 patients in group B and another 2 in group C developed intraoperative complications, and one in group C had postoperative complication, with the total incidence of complication of 7.14% in this series. CONCLUSION: A well-trained laparoscopic colorectal surgeon, by following the standard surgical procedures, are likely to overcome the learning curve smoothly after performing approximately 20 cases of laparoscopic D2 gastrectomy for gastric cancer.
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