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采用钛镍记忆合金支架和带膜不锈钢支架治疗食管恶性狭窄71例次，良性狭窄49例次，其中分别对食管、贲门管癌术后吻合口狭窄、晚期食管癌、贲门癌严重吞咽困难、食管癌放疗后狭窄、食管化学烧伤后狭窄、食管癌合并食管气管瘘等进行置管治疗，其操作过程显示：借助内窥镜技术和放射介入技术，能有效地解除消化道梗阻，改善患者的全身营养状况，提高生活质量。这项技术较之传统的置管治疗具有操作简单，病人痛苦小，效果确切等优点，有临床推广价值。
71 cases of esophageal malignant stenosis and 49 cases of benign stenosis were treated with titanium-nickel memory alloy stent and band-shaped stainless steel stent. Among them, the patients had severe anastomotic stricture of esophagus and cardia cancer, severe dysphagia of esophagus and advanced cardia cancer, Cancer radiotherapy stenosis, esophageal chemical burn stenosis, esophageal cancer combined with esophageal tracheal fistula catheterization, the operation process shows: with endoscopic and radiological intervention techniques, can effectively relieve gastrointestinal obstruction and improve the patient’s body Nutritional status, improve the quality of life. Compared with the traditional catheterization treatment, this technique has the advantages of simple operation, little patient suffering and definite effect, and has clinical promotion value.