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目的:探索改形带膜记忆合金支架(椭圆形)治疗上段食管气管瘘的临床可行陛. 方法:在动物实验的基础上对25例手术后、放疗及晚期食管癌导致的上段食管气管瘘患者,采用内镜放置改形特制的椭圆形记忆合金支架进行治疗. 结果:未见因上段置放支架所引起的移位、穿孔、出血及特殊远期不适,堵漏率100%.治疗稳定期9.1 mo,生存期平均10.4mo. 结论:符合上段食管生理解剖特点,可避免喇叭口状支架治疗食管疾病只限于中下段才能放置的弊端,证明了他的可行性及安全性.
Objective: To explore the clinical feasibility of transplanting membrane-bearing memory alloy stent (oval) for the treatment of upper esophageal tracheal fistula.Methods: Based on animal experiments, 25 patients with upper esophageal tracheal fistula after operation, radiotherapy and advanced esophageal cancer , Endoscopic placement modified special oval shape memory alloy stent for treatment.Results: No displacement, perforation, bleeding and special long-term discomfort caused by the placement of the stent, the plugging rate was 100% 9.1 mo, and the average survival time was 10.4 months.Conclusion: In line with the anatomic characteristics of esophageal physiology in the upper segment, it can avoid the shortcomings of the trumpet-shaped stent in the treatment of esophageal diseases only in the middle and lower segments, demonstrating his feasibility and safety.