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  • Title: Prospective randomised comparison of external dacryocystorhinostomy with and without silicone intubation.
    Author: Saiju R, Morse LJ, Weinberg D, Shrestha MK, Ruit S.
    Journal: Br J Ophthalmol; 2009 Sep; 93(9):1220-2. PubMed ID: 19515642.
    Abstract:
    BACKGROUND/AIMS: The aim of the study was to compare surgical outcomes of external dacryocystorhinostomy (DCR) with and without silastic intubation for treatment of primary uncomplicated nasolacrimal duct obstruction (NLDO). DESIGN: The study was a prospective randomised trial conducted at the Tilganga Eye Centre (Kathmandu, Nepal). METHODS: One-hundred consecutive patients with uncomplicated primary NLDO were randomly assigned into two groups (44 underwent DCR with silastic intubation and 56 underwent DCR without intubation). Patients were re-assessed at 1 week, 6 weeks and 6 months after surgery. Success was defined objectively by irrigation of the puncta without regurgitation and subjectively by the absence of epiphora or discharge. RESULTS: The success rate at 6 months was 90% for DCR with silastic intubation and 87% for DCR without silastic intubation. There was no statistically significant difference between the two groups (p = 0.77). No complications were encountered in either group. Silicone tubes increased surgical cost by 20% at the Tilganga Eye Centre. CONCLUSION: DCR without silastic intubation is less expensive than DCR with silastic intubation in primary uncomplicated NLDO, and has a similar success rate. DCR with silastic intubation may create increased burden for patients in the form of more post-surgical follow-up visits. In cases of uncomplicated primary NLDO, the use of silastic intubation in DCR may be unnecessary.
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