Journal
AMERICAN JOURNAL OF SURGERY
Volume 193, Issue 1, Pages 10-15Publisher
EXCERPTA MEDICA INC-ELSEVIER SCIENCE INC
DOI: 10.1016/j.amjsurg.2006.04.018
Keywords
gastric cancer; gastrectomy; lymphadenectomy; complications
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Background: A multicenter, randomized, clinical trial was initiated to evaluate the possible benefits of extended D2 (D2+) lymphadenectomy after potentially Curative resection of gastric cancer. Methods: Standard D2 lymphadenectomy was defined according to the Japanese Gastric Cancer Association classification. D2+ lymph node dissection additionally included the removal of para-aortic nodes. Results: Of 781 patients screened, 275 were randomized to standard D2 (n = 141) or extended D2+ (n = 134) lymphadenectomy. The overall morbidity rates were comparable in D2 (27.7%; 95% confidence interval [CI], 20.3-35.1) and D2+ (21.6%; 95% Cl, 13.7-29.5) groups (P =.248). Pre-existing cardiac disease, splenectomy, and excessive blood loss were identified as risk factors for overall and nonsurgical complications. Postoperative mortality rates were 4.9% (95% Cl, 1.4-8.5) and 2.2% (95% Cl, 0-4.7), respectively (P =.376). Conclusions: The interim safety analysis failed to show any significant difference with regard to the extent of lymph node dissection. The surgical outcome was not different between the 2 surgeries. (c) 2007 Excerpta Medica Inc. All rights reserved.
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