鼻内镜下处理经鼻外径路泪囊鼻腔吻合术后复发

目的 探讨泪囊鼻腔吻合术失败的原因及在鼻内镜下处理的经验。方法 对25例经颜面部切口行泪囊鼻腔吻合术失败病例均在鼻内镜下观察造瘘口，根据造瘘口堵塞的不同情况采取不同的处理方法。结果 随访6~12个月，19眼症状完全消失，4眼症状明显减轻，2眼无效。 结论 经颜面部切口行泪囊鼻腔吻合术后应在鼻内镜下定期检查换药，及时处理堵塞造瘘口的血块、肉芽和粘连，对进一步提高手术效果有重要意义。

Treatment following failure of external dacryocystorhiostomy by nasal endoscopy

Objective To explore the reason for failure of external dacryocystorhinostomy and the treatment methods. Methods By nasal endoscopy, the fistula was treated based on various cloggings in 25 patients who had failed an external dacryocystorhinostomy. Results Followed up for 6-12 months, eye symptoms completely disappeared in 19 out of 25 patients, relieved in 4 eyes but were not changed in 2 eyes. Conclusion Examination and treatment of fistula by nasal endoscopy can improve surgery efficacy in patient that failed external dacryocystorhinostomy.