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目的 :通过内镜直视结合影像监视的方法经口放置金属支架治疗食管恶性狭窄 ,以避免和减少内支架治疗操作中的并发症。材料和方法 :1997～ 1999三年中收治 36例恶性食管梗阻病例 ,男2 8例 ,女 8例 ,年龄 5 9岁～ 81岁 ,平均年龄 6 9岁。在内镜直视及 X线监视定位下利用套管式输送器经口将镍钛合金金属支架置入食管狭窄、阻塞段。结果 :36例患者共置入 36枚支架均一次放置成功。支架定位准确率 10 0 % ,所有病例均未出现与支架置入操作相关的并发症。支架置入后患者均恢复正常饮食。 1个月后复查支架通畅率 10 0 %。结论 :应用内镜直视结合影像监视的方法经口放置食管支架可提高支架置入定位的准确性 ,避免和减少操作过程中的并发症
Objective : To observe the malignant stenosis of the esophagus by endoscopic visualization combined with video surveillance and oral metal stent placement to avoid or reduce the complications of stenting procedures. Materials and Methods: In the three years from 1997 to 1999, 36 cases of malignant esophageal obstruction were treated, including 28 males and 8 females, aged from 5 9 to 81 years old, with an average age of 69 years. Endoscopic and X-ray monitoring positioning using a cannula-type conveyor NiTi alloy metal stent into esophageal stenosis, obstruction. Results: A total of 36 stents were successfully placed in 36 patients. The accuracy of stent positioning was 100%. No complications related to stent placement were seen in all cases. After stenting, all patients returned to normal diet. After 1 month, the stent patency rate was 10%. Conclusion :Using endoscopic visualization and video surveillance, oral esophageal stent placement can improve the accuracy of stent placement and avoid and reduce complications during operation.