External Dacryocystorhinostomy; Success Rate and Causes of Failure in Endoscopic and Pathologic Evaluations
- سال انتشار: 1396
- محل انتشار: فصلنامه آسیب شناسی ایران، دوره: 12، شماره: 3
- کد COI اختصاصی: JR_IJP-12-3_001
- زبان مقاله: انگلیسی
- تعداد مشاهده: 363
نویسندگان
Dept of Ophthalmology, Medical School, Shahed University, Tehran, Iran
Dept of Otolaryngology, Medical School, Shahed University, Tehran, Iran
Dept of Otolaryngology, Medical School, Shahed University, Tehran, Iran
Dept of Otolaryngology, Medical School, Shahed University, Tehran, Iran
چکیده
Background and Objectives: External dacryocystorhinostomy (DCR) is the method of choice to treat nasolacrimal duct (NLD) obstruction and the other approaches are compared with it, with a failure rate of 4% to 13%. The current study aimed to assess the causes of failure in external DCR by postoperative endoscopic and pathological evaluation. Methods: The current retrospective cross sectional study followed-up113 patients with external DCR and silicone intubation for three months. Silicone tubes were removed after the third months. Failure was confirmed based on the clinical findings and irrigation test. Paranasal sinus computed tomography (CT) scanning, and endoscopic and pathological evaluations were performed in the failed cases. Results: Totally, 113 patients underwent external DCR. The patients included 71 females and 42 males. The mean age of the patients was 55.91 years; ranged from 18 to 86. Epiphora was the most common complaint before surgery (90.3%). Clinically, epiphora continued in 17 cases (15%), of which 94.11% had at least one sinus CT abnormality and 82.35% had at least one endoscopic abnormality. The most common endoscopic findings were deviated septum (70.6%), scar tissue (52.94%), concha bullosa (46.9%), septal adhesion (47.05%), enlarged middle turbinate (41.2%), and sump syndrome (11.7%). The failure was significantly associated with the chronicity of the initial symptoms (P-value=0.00). Pathologically, there were significant relationship amongst the failure rate, scar formation, and allergic rhinitis (P-values =0.00 and < 0.05, respectively). Conclusion: Preoperative endonasal evaluation and consultation with an otolaryngologist can improve surgical outcomes and help to have a better conscious to intranasal abnormalities before external DCR surgery.کلیدواژه ها
Lacrimal sac, Nasolacrimal Duct, Epiphora, Dacryocystorhinostomyاطلاعات بیشتر در مورد COI
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