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Outcome of endoscopic nasolacrimal duct intubation and findings by culture of microorganisms before surgery Tomoyuki Kamao 1 , Atsushi Shiraishi 1 , Naomi Takahashi 1 , Yuka Yamashita 1 , Yuichi Ohashi 1 1Department of Ophthalmology, Ehime University Graduate School of Medicine pp.1413-1418
Published Date 2016/9/15
DOI https://doi.org/10.11477/mf.1410211946
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Abstract Purpose: To report the outcome of endoscopic nasolacrimal duct intubation as related to cultured microorganisms in nasolacrimal duct obstruction.

Case and Method: This study was made on 74 sides of 64 patients who received endoscopic nasolacrimal duct intubation during 45 months through September 2014. The age ranged from 39 to 90 years, average 72 years. Discharge from lacrimal ducts was cultured before surgery. Patients were followed up for 6 months or longer after removal of lacrimal tube.

Results: During the follow-up for an average of 10.8 months, nasolacrimal duct obstruction recurred in 16 out of 74 sides(21.6%). Overall rate of positive microbial growth was 58 out of 74 specimens(78.4%). Rate of recurrence was higher when two or more species were involved(37.5%)than when one or no species was involved(7.7% and 12.5% respectively). The difference was significant(p=0.0141). Rate of recurrence was significantly higher when culture for Streptocococcus angiosus group was positive than in culture-negative cases(p=0.0192).

Conclusion: Outcome of endoscopic nasolacrimal duct intubation differed dependent on the species and number of causative microorganisms.


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