Patients who undergo gastric surgery are prone to form postsurgical gallstones. Debates still exist about the need for prevention and the selection of preventive methods. No studies had been reported comparing the efficacy of prophylactic ursodeoxycholic acid (UDCA) and prophylactic cholecystectomy (PC) for lowering postsurgical gallstone formation and subsequent cholecystectomy (SC) in patients who have undergone gastric surgery.

中文翻译：

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熊去氧胆酸预防胃手术后胆结石和胆囊切除术的系统评价和荟萃分析

接受胃手术的患者容易形成术后胆结石。关于预防的必要性和预防方法的选择的争论仍然存在。没有研究比较预防性熊去氧胆酸 (UDCA) 和预防性胆囊切除术 (PC) 对减少胃手术患者术后胆结石形成和后续胆囊切除术 (SC) 的疗效。