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Oncologic outcomes of laparoscopic gastrectomy after endoscopic treatment for gastric cancer : a comparison with open gastrectomy

Other Titles
 위암에서 내시경적 절제술 후 복강경 위 절제술의 종양학적 결과 : 개복술과의 비교 연구 
 Dept. of Surgery (외과학교실) 
Issue Date
Dept. of Medicine/석사
Background: Additional gastrectomy is needed after endoscopic resection (ER) for early gastric cancer when pathology confirmed any possibility of lymph node metastasis or margin involvement. No studies depicted the optimal type of surgery to apply in these patients. We compared the short-term and long-term outcomes of laparoscopic gastrectomy with those of open gastrectomy after ER to identify the optimal type of surgery. Methods: From 2003 to 2010, 110 consecutive patients who underwent gastrectomy with lymphadenectomy either by laparoscopic (n=74) or by open (n=36) for gastric cancer after ER were retrospectively analyzed. Postoperative and oncological outcomes were compared according to types of surgical approach.Results: Clinicopathological characteristics were comparable between the two groups. Laparoscopic group showed significantly shorter time to gas passing and soft diet and hospital day than open group while operation time and rate of postoperative complications were comparable between the two groups. All specimens had negative margins regardless of types of approach. Mean number of retrieved lymph nodes did not differ significantly between the two groups. During the median follow-up of 47 months, there were no statistical difference in recurrence rate (1.4% for laparoscopic and 5.6% for open, P=0.25) and in overall (P=0.22) and disease-free survival (P=0.19) between the two groups. Type of approach was not an independent risk factor for recurrence and survival. Conclusion: Laparoscopic gastrectomy after ER showed comparable oncologic outcomes to open approach while maintaining benefits of minimally invasive surgery. Thus, laparoscopic gastrectomy can be a treatment of choice for patients previously treated by ER.
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1. College of Medicine (의과대학) > Dept. of Surgery (외과학교실) > 2. Thesis
Yonsei Authors
Kwon, Hye Youn(권혜연)
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