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Learning curve of laparoscopy-assisted distal gastrectomy with systemic lymphadenectomy for early gastric cancer 被引量:49
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作者 Min-Chan Kim Ghap-Joong Jung Hyung-Ho Kim 《World Journal of Gastroenterology》 SCIE CAS CSCD 2005年第47期7508-7511,共4页
AIM: To evaluate the nature of the 'learning curve' for laparoscopy-assisted distal gastrectomy (LADG) with systemic lymphadenectomy for early gastric cancer. METHODS: The data of 90 consecutive patients with ... AIM: To evaluate the nature of the 'learning curve' for laparoscopy-assisted distal gastrectomy (LADG) with systemic lymphadenectomy for early gastric cancer. METHODS: The data of 90 consecutive patients with early gastric cancer who underwent LADG with systemic lymphadenectomy between April 2003 and November 2004 were reviewed. The 90 patients were divided into 9 sequential groups of 10 cases in each group and the average operative time of these 9 groups were determined. Other learning indicators, such as transfusion requirements, conversion rates to open surgery, postoperative complication, time to first flatus, and postoperative hospital stay, were evaluated. RESULTS: After the first 10 LADGs, the operative time reached its first plateau (230-240 min/operation) and then reached a second plateau (<200 min/operation) for the final 30 cases. Although a significant improvement in the operative time was noted after the first 50 cases, there were no significant differences in transfusion requirements, conversion rates to open surgery, postoperative complications, time to first flatus, or postoperative hospital stay between the groups. CONCLUSION: Based on operative time analysis, this study show that experience of 50 cases of LADG with systemic lymphadenectomy for early gastric cancer is required to achieve optimum proficiency. 展开更多
关键词 laparoscopic gastrectomy Systemic lymphadenectomy Learning curve
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Gastric cancer: Current status of lymph node dissection 被引量:33
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作者 Maurizio Degiuli Giovanni De Manzoni +8 位作者 Alberto Di Leo Domenico D'Ugo Erica Galasso Daniele Marrelli Roberto Petrioli Karol Polom Franco Roviello Francesco Santullo Mario Morino 《World Journal of Gastroenterology》 SCIE CAS 2016年第10期2875-2893,共19页
D2 procedure has been accepted in Far East as the standard treatment for both early(EGC) and advanced gastric cancer(AGC) for many decades. Recently EGC has been successfully treated with endoscopy by endoscopic mucos... D2 procedure has been accepted in Far East as the standard treatment for both early(EGC) and advanced gastric cancer(AGC) for many decades. Recently EGC has been successfully treated with endoscopy by endoscopic mucosal resection or endoscopic submucosal dissection, when restricted or extended Gotoda's criteria can be applied and D1+ surgery is offered only to patients not fitted for less invasive treatment. Furthermore, two randomised controlled trials(RCTs) have been demonstrating the non inferiority of minimally invasive technique as compared to standard open surgery for the treatment of early cases and recently the feasibility of adequate D1+ dissection has been demonstrated also for the robot assisted technique. In case of AGC the debate on the extent of nodal dissection has been open for many decades. While D2 gastrectomy was performed as the standard procedure in eastern countries, mostly based on observational and retrospective studies, in the west the Medical Research Council(MRC), Dutch and Italian RCTs have been conducted to show a survival benefit of D2 over D1 with evidence based medicine. Unfortunately both the MRC and the Dutch trials failed to show a survival benefit after the D2 procedure, mostly due to the significant increase of postoperative morbidity and mortality, which was referred to splenopancreatectomy. Only 15 years after the conclusion of its accrual, the Dutch trial could report a significant decrease of recur-rence after D2 procedure. Recently the long term survival analysis of the Italian RCT could demonstrate a benefit for patients with positive nodes treated with D2 gastrectomy without splenopancreatectomy. As nowadays also in western countries D2 procedure can be done safely with pancreas preserving technique and without preventive splenectomy, it has been suggested in several national guidelines as the recommended procedure for patients with AGC. 展开更多
关键词 Gastric cancer Lymph node dissection lymphadenectomy D2 gastrectomy D1 gastrectomy D1 plus gastrectomy Robot assisted lymphadenectomy laparoscopic lymphadenectomy
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