目的探讨内镜直视下置放记忆金属支架治疗食管癌性狭窄的疗效及安全性。方法对68例失去手术机会或拒绝手术治疗的食管癌性狭窄患者,采用内镜直视下置放记忆合金支架。结果所有患者均一次置放成功,吞咽困难症状均明显改善,食管气管瘘患者呛咳症状消失,有效率为100%。结论内镜直视下置放金属支架治疗食管癌性狭窄安全,准确,疗效肯定,值得推广。 Objective To investigate the efficacy and safety of placement of memory metal stent under esophagectomy under direct vision in the treatment of esophageal cancer stenosis. Methods Sixty-eight patients with esophageal cancer stenosis who lost their chance of surgery or who refused surgery were placed in memory alloy stent under endoscopy. Results All patients were placed in a success, dysphagia symptoms were significantly improved, esophageal fistula patients choking symptoms disappeared, the effective rate was 100%. Conclusion Endoscopic placement of metal stent placed esophageal cancer stenosis safe, accurate and effective, it is worth promoting.