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目的:探讨胃袖状切除加空回肠侧侧吻合术(sleeve gastrectomy plus side-to-side jejunoileal anastomosis,JI-SG)对糖尿病肥胖(Zucker diabetic fatty,ZDF)大鼠末端回肠黏膜组织胰高血糖素样肽-1(glucagon-like peptide 1,GLP-1)蛋白表达及空腹血糖的影响,探讨其降糖的可能机制。方法:将30只ZDF大鼠随机分为假手术(sham surgery,SS)组、胃袖状切除(sleeve gastrectom