Abstract
Objective To compare the effect of improved exterior route dacryocystorhinostomy and nasal endoscopic dacryocystorhinostomy for postoperatively recurrent chronic dacryocystitis. Methods Eighteen eyes of 18 cases with postoperative recurrence of chronic dacryocystitis were randomly divided into two groups. 8 eyes of group A was treated with improved dacryocystorhinostomy, and 10 eyes of group B was treated with improved nasal endoscopic dacryocystorhinostomy. All patients were followed up for 6 months. Results In group A, 6 eyes were cured, 1 eyes was improved and 1 eye was noneffective; the total therapeutic effective rate was 87.5%. In group B, 9 eyes were cured, 1 eyes was improved and none was noneffective; the total treatment effective rate was 100%. The difference between two groups was statistically significant(χ2=7.8030, P=0.0019). Conclusion Nasal endoscopic dacryocystorhinostomy is suitable for postoperative recurrence chronic dacryocystitis. Interdisciplinary cooperation between ophthalmologist and rhinologist is required. Key words: Dacryocystorhinostomy, nasal endoscopic; Dacryocystitis, chronic, recurrent; Cooperation, interdisciplinary, ophthalmology, rhinology
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