Journal of Gastric Cancer

The Korean Gastric Cancer Association (대한위암학회)
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Outcomes of Laparoscopic Gastrectomy after Endoscopic Treatment for Gastric Cancer: A Comparison with Open Gastrectomy

  • Kwon, Hye Youn (Department of Surgery, Yonsei University College of Medicine) ;
  • Hyung, Woo Jin (Department of Surgery, Yonsei University College of Medicine) ;
  • Lee, Joong Ho (Department of Surgery, Yonsei University College of Medicine) ;
  • Lee, Sang Kil (Department of Internal Medicine, Yonsei University College of Medicine) ;
  • Noh, Sung Hoon (Department of Surgery, Yonsei University College of Medicine)
  • Received : 2012.12.18
  • Accepted : 2012.12.21
  • Published : 2013.03.30
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Abstract

Purpose: Additional gastrectomy is needed after endoscopic resection for early gastric cancer when pathology confirms 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 endoscopic resection to identify the optimal type of surgery. Materials and 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 endoscopic resection 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 differences 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. Conclusions: Laparoscopic gastrectomy after endoscopic resection 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 endoscopic resection.

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