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本文报告了自１９８３年５月～１９９３年５月应用食管扩张器治疗食管癌、贲门癌术后吻合口狭窄患者６５８例临床研究结果，共行扩张３２４０次，有效率达９６．５％。扩张５次以下明显好转占６１．６％，１０次以下明显好转占８４．５％。术后发生并发症２７例，占４．１％。食管穿孔８例（１．２％），吻合口出血４例（０．６％），纵隔炎１例（０．２％），局部损伤１４例（２．１％）。作者对食管扩张术的适应证，操作中注意事项及并发症进行了讨论。
This article reports the results of clinical studies of 658 patients with anastomotic strictures treated with esophageal dilators for the treatment of esophageal and cardiac cancers from May 1983 to May 1993, with a total of 3240 expansions and an effective rate of 96.5%. Obvious improvement after 5 times of expansion accounted for 61.6%, significantly improved after 10 times accounted for 84.5%. Complications occurred in 27 cases, accounting for 4.1%. Esophageal perforation occurred in 8 cases (1.2%), anastomotic bleeding in 4 cases (0.6%), mediastinal inflammation in 1 case (0.2%), and local injury in 14 cases (2.1%). The author discussed the indications for oesophageal dilatation, precautions during operation, and complications.