AIM:To evaluate the outcome of over-the-scope-clip system(OTSC)for endoscopic treatment of various indications in daily clinical practice in Switzerland.METHODS:This prospective,consecutive case series was conducted a...AIM:To evaluate the outcome of over-the-scope-clip system(OTSC)for endoscopic treatment of various indications in daily clinical practice in Switzerland.METHODS:This prospective,consecutive case series was conducted at a tertiary care hospital from September 2010 to January 2014.Indications for OTSC application were fistulae,anastomotic leakage,perforation,unroofed submucosal lesion for biopsy,refractory bleeding,and stent fixation in the gastrointestinal(GI)tract.Primary technical success was defined as the adequate deployment of the OTSC on the target lesion.Clinical success was defined as resolution of the problem;for instance,no requirement for surgery or further endoscopic intervention.In cases of recurrence,retreatment of a lesion with a second intervention was possible.Complications were classified into those related to sedation,endoscopy,or deployment of the clip.RESULTS:A total of 28 OTSC system applications werecarried out in 21 patients[median age 64 years(range42-85),33%females].The main indications were fistulae(52%),mostly after percutaneous endoscopic gastrostomy tube removal,and anastomotic leakage after GI surgery(29%).Further indications were unroofed submucosal lesions after biopsy,upper gastrointestinal bleeding,or esophageal stent fixation.The OTSC treatments were applied either in the upper(48%)or lower(52%)GI tract.The mean lesion size was 8 mm(range:2-20 mm).Primary technical success and clinical success rates were 85%and 67%,respectively.In53%of cases,the suction method was used without accessories(e.g.,twin grasper or tissue anchor).No endoscopy-related or OTSC-related complications were observed.CONCLUSION:OTSC is a useful tool for endoscopic closure of various GI lesions,including fistulae and leakages.Future randomized prospective multicenter trials are warranted.展开更多
目的探讨Over-The-Scope-Clip system(OTSC)治疗难治性消化道瘘的应用价值。方法收集2018年11月至2021年12月于中国人民解放军总医院第七医学中心接受内镜下OTSC治疗的12例难治性消化道瘘患者临床资料,评价OTSC疗效。结果12例难治性消...目的探讨Over-The-Scope-Clip system(OTSC)治疗难治性消化道瘘的应用价值。方法收集2018年11月至2021年12月于中国人民解放军总医院第七医学中心接受内镜下OTSC治疗的12例难治性消化道瘘患者临床资料,评价OTSC疗效。结果12例难治性消化道瘘患者共17处病变,包括食管气管瘘5例,食管纵隔瘘、食管胃吻合口瘘、食管小肠吻合口瘘、十二指肠瘘各1例,直肠阴道瘘2例、直肠吻合口瘘1例,男6例,女6例,年龄(52.2±14.7)岁(23~75岁)。瘘口形成时间为(6.3±6.7)个月(1~24个月);瘘口边缘全瘢痕占比83.3%;瘘口黏膜厚度(0.5±0.1)cm(0.2~0.8 cm);瘘口直径(0.6±0.6)cm(0.3~2.5 cm),其中<1.0 cm 8例、1.0~2.0 cm 3例、>2.0 cm 1例。术后随访,7例实现黏膜愈合,2例因瘘口未愈合追加外科手术,2例置入食管支架,1例自行愈合;OTSC治疗成功率为58.3%。进一步分析临床特征,OTSC操作成功率在直肠瘘中显著低于非直肠瘘,差异有统计学意义(0 vs 77.8%,P=0.045);失败组OTSC操作时间显著长于成功组,差异有统计学意义[(15.0±4.9)min vs(7.9±5.4)min,U=4.00,P=0.03]。结论OTSC是治疗难治性消化道瘘的有效方法,但需进一步掌握适应证、控制操作时间。展开更多
文摘AIM:To evaluate the outcome of over-the-scope-clip system(OTSC)for endoscopic treatment of various indications in daily clinical practice in Switzerland.METHODS:This prospective,consecutive case series was conducted at a tertiary care hospital from September 2010 to January 2014.Indications for OTSC application were fistulae,anastomotic leakage,perforation,unroofed submucosal lesion for biopsy,refractory bleeding,and stent fixation in the gastrointestinal(GI)tract.Primary technical success was defined as the adequate deployment of the OTSC on the target lesion.Clinical success was defined as resolution of the problem;for instance,no requirement for surgery or further endoscopic intervention.In cases of recurrence,retreatment of a lesion with a second intervention was possible.Complications were classified into those related to sedation,endoscopy,or deployment of the clip.RESULTS:A total of 28 OTSC system applications werecarried out in 21 patients[median age 64 years(range42-85),33%females].The main indications were fistulae(52%),mostly after percutaneous endoscopic gastrostomy tube removal,and anastomotic leakage after GI surgery(29%).Further indications were unroofed submucosal lesions after biopsy,upper gastrointestinal bleeding,or esophageal stent fixation.The OTSC treatments were applied either in the upper(48%)or lower(52%)GI tract.The mean lesion size was 8 mm(range:2-20 mm).Primary technical success and clinical success rates were 85%and 67%,respectively.In53%of cases,the suction method was used without accessories(e.g.,twin grasper or tissue anchor).No endoscopy-related or OTSC-related complications were observed.CONCLUSION:OTSC is a useful tool for endoscopic closure of various GI lesions,including fistulae and leakages.Future randomized prospective multicenter trials are warranted.
文摘目的探讨Over-The-Scope-Clip system(OTSC)治疗难治性消化道瘘的应用价值。方法收集2018年11月至2021年12月于中国人民解放军总医院第七医学中心接受内镜下OTSC治疗的12例难治性消化道瘘患者临床资料,评价OTSC疗效。结果12例难治性消化道瘘患者共17处病变,包括食管气管瘘5例,食管纵隔瘘、食管胃吻合口瘘、食管小肠吻合口瘘、十二指肠瘘各1例,直肠阴道瘘2例、直肠吻合口瘘1例,男6例,女6例,年龄(52.2±14.7)岁(23~75岁)。瘘口形成时间为(6.3±6.7)个月(1~24个月);瘘口边缘全瘢痕占比83.3%;瘘口黏膜厚度(0.5±0.1)cm(0.2~0.8 cm);瘘口直径(0.6±0.6)cm(0.3~2.5 cm),其中<1.0 cm 8例、1.0~2.0 cm 3例、>2.0 cm 1例。术后随访,7例实现黏膜愈合,2例因瘘口未愈合追加外科手术,2例置入食管支架,1例自行愈合;OTSC治疗成功率为58.3%。进一步分析临床特征,OTSC操作成功率在直肠瘘中显著低于非直肠瘘,差异有统计学意义(0 vs 77.8%,P=0.045);失败组OTSC操作时间显著长于成功组,差异有统计学意义[(15.0±4.9)min vs(7.9±5.4)min,U=4.00,P=0.03]。结论OTSC是治疗难治性消化道瘘的有效方法,但需进一步掌握适应证、控制操作时间。