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  • Title: Nasolacrimal duct obstruction classified by dacryoendoscopy and treated with inferior meatal dacryorhinotomy: Part II. Inferior meatal dacryorhinotomy.
    Author: Sasaki T, Nagata Y, Sugiyama K.
    Journal: Am J Ophthalmol; 2005 Dec; 140(6):1070-1074. PubMed ID: 16376653.
    Abstract:
    PURPOSE: To report the performance of a newly devised technique, inferior meatal dacryorhinotomy (iDR), for membranous PNLDO (lower PNLDO). DESIGN: Retrospective, nonrandomized clinical trial. METHODS: Forty cases (37 patients) who ranged in age from 42 to 89 years old with lower PNLDO were treated by iDR, which is intubation that is assisted by dacryoendoscope, nasal endoscope, and radio-frequency scalpel. The obstructed site was incised with a radio-frequency scalpel without osseous ablation, after which silicone tubes were placed temporarily. RESULTS: Postoperative follow-up evaluation showed that the success rate was 87.5% after 6 months to 2 years. CONCLUSION: The iDR technique is minimally invasive and effective for lower PNLDO.
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