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  • Title: Short- and Long-Term Outcomes of Laparoscopic Versus Open Resection for Gastric Gastrointestinal Stromal Tumors: A Propensity Score-Matching Analysis.
    Author: Chen QF, Huang CM, Lin M, Lin JX, Lu J, Zheng CH, Li P, Xie JW, Wang JB, Chen QY, Cao LL, Tu RH.
    Journal: Medicine (Baltimore); 2016 Apr; 95(15):e3135. PubMed ID: 27082552.
    Abstract:
    Published reports on laparoscopic resection of gastric gastrointestinal stromal tumor (GIST) were limited to small experiences and selection bias. Two hundred fourteen patients who underwent primary gastric GIST resection at our institution (January 2006-December 2012) were identified from a prospectively collected database. Laparoscopic resections (LAP) were performed in 133 patients, and open resections (OPEN) were performed in 81 patients. The short- and long-term outcomes were analyzed using propensity-score matching (PSM) by comparing the clinicopathological factors between these groups. The tumor resection method and tumor size were significantly different between the LAP and OPEN groups. After PSM, there were no differences (P > 0.05) in these clinicopathological factors. The LAP group had less blood loss and shorter operation time, time to first flatus, time to first fluid diet, time to gastric tube removal, and postoperative stay before PSM. In addition, there were no differences regarding the time of drainage tube removal or hospitalization expense. Other than the time of gastric tube removal, which was similar in these 2 groups, the short-term outcomes were similar before and after PSM. The rates of postoperative complications in the LAP and OPEN groups were 6.8% and 22.8%, respectively, before PSM (P = 0.001) and 5.6% and 22.5%, respectively, after PSM (P = 0.004). The multivariate analyses for complications showed that tumors were located in the middle of the stomach, and the operation method and proximal gastrectomy were independent risk factors before and after PSM. The 5-year cumulative survival rates in the LAP and OPEN groups were 95.4% and 85.9%, respectively, (P = 0.07) before PSM and 93.1% and 91.9%, respectively, (P = 0.69) after PSM (not significantly different). Laparoscopic resection for gastric GISTs had better short-term outcomes and similar long-term outcomes compared with open surgery. Localized gastric GISTs can be treated with laparoscopic surgery.
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