Factors Influencing Success Rate of Endonasal Dacryocystorhinostomy.

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    • Abstract:
      Background: This retrospective, single-center study aimed to identify factors affecting the success rate of endonasal dacryocystorhinostomy (DCR). Methods: A total of 891 eyes that underwent endonasal DCR were reviewed. Univariate and multivariate association analyses were performed to assess the impact of various factors on anatomical and functional success rates. Anatomical success was defined as patent lacrimal irrigation and well-formed osteotomy in nasopharyngoscopy, while functional success was defined as a Munk score of 0-1 after silicone tube removal. Results: Early removal of the silicone tube and use of absorbable nasal packing material were significantly associated with lower anatomical and functional success rates in univariate and multivariate analyses. Anatomical success rates were 59.56% with early removal of the silicone tube and 70.29% with absorbable nasal packing material. Similarly, functional success rates were 49.33% with early removal of the silicone tube and 62.10% with absorbable nasal packing material. The odds ratios of the anatomical success rate for early removal of silicone tube and using absorbable nasal packing material were 0.377 and 0.567, respectively (P < .001, P=.002). In addition, the odds ratio of the functional success rate was .257 and .523, respectively (P < .001, P=.001). Conclusion: Early removal of silicone tubes and absorbable packing material were identified as factors that negatively impact the functional and anatomical success rates of endonasal DCR. [ABSTRACT FROM AUTHOR]
    • Abstract:
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