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Aims: To determine whether acute dacryocystitis complicated by abscess formation can be successfully treated using laser assisted endonasal dacryocystorhinostomy. Methods: A protocol was adopted for the management of acute dacryocystitis presenting to an ophthalmology department. All patients were assessed jointly by an ophthalmologist and otolaryngologist for their suitability for primary internal drainage via a nasal endoscopic approach. All suitable patients during the study period August 1999 to November 2000 were managed by intravenous antibiotics and holmium:YAG laser dacryocystorhinostomy. Results: Nine patients were studied (mean age 72 years (range 38-82 years), three men, six women). ?A history of chronic epiphora was found in 78% of patients, and recurrent nasolacrimal infections in the ?same 78%. Resolution of symptoms and signs of acute dacryocystitis occurred in all nine patients. ?No recurrence of acute dacryocystitis occurred during the median follow up period of 11 months ?(range 6-31 months). Ostium patency defined as the absence of epiphora and the observation of irrigated lacrimal fluorescein at the ostium was achieved in 67% of patients. Epiphora recurred in 33% of cases. Conclusion: Laser assisted endonasal dacryocystorhinostomy is an effective primary treatment in cases of acute dacryocystitis complicated by abscess formation. In addition, pre-existing symptoms of epiphora and recurrent nasolacrimal infections are relieved in the majority of patients.

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