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Article Type

Article

Abstract

Background: Dacryocystorhinostomy (DCR) was always indicated for the treatment of epiphora caused by distal (lacrimal sac or nasolacrimal duct) obstruction, and most authors believed -without solid study in the literature- that DCR is not suitable for proximal (canalicular and common canalicular) obstruction. In our work we are evaluating the results of surgical endoscopic DCR in different levels of obstruction prospectively on a large cohort of patients.

Methods: Eighty patients were included in this study prospectively in the period between October 2002 and March 2004.

Results: In short term follow up, although the results in cases of lower obstruction were better than in upper obstruction yet the difference was not statistically significant. In long term follow up, there was marked difference in the success rate between both groups and the results in lower obstruction were much favorable statistically than those with upper obstruction.

Conclusion: DCR may give early encouraging results in cases of presaccal proximal lacrimal drainage system obstruction, these results are not maintained on long terms, and so DCR surgery is not suitable for cases of presaccal lacrimal drainage system obstruction.

Keywords: Dacryocystorhinostomy, Leveling, Success Rate.

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