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Clinical Outcomes of Nasolacrimal Probing and Silicone Intubation in Patients with Congenital Nasolacrimal Duct Obstruction
선천코눈물관막힘환자에서 코눈물관탐침술과 실리콘관삽입술의 임상 결과
JKOS 2019 Jul;60(7):613-9
Published online July 15, 2019;  https://doi.org/10.3341/jkos.2019.60.7.613
Copyright © 2019 The Korean Ophthalmological Society.
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Sung Hyun Ahn, MD1, Tae Eun Lee, MD, PhD1,2,3, In Cheon You, MD, PhD1,2,3, Nam Chun Cho, MD, PhD1,2,3, Min Ahn, MD, PhD1,2,3
안성현1⋅이태은1,2,3⋅유인천1,2,3⋅조남천1,2,3⋅안 민1,2,3

Department of Ophthalmology, Chonbuk National University Medical School1, Jeonju, Korea
Research Institute of Clinical Medicine, Chonbuk National University2, Jeonju, Korea
Biomedical Research Institute, Chonbuk National University Hospital3, Jeonju, Korea
전북대학교 의학전문대학원 안과학교실1, 전북대학교 임상의학연구소2, 전북대학교병원 의생명연구원3
Received September 13, 2018; Revised November 20, 2018; Accepted June 20, 2019.
This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/3.0) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.
 Abstract
Purpose: To investigate the efficacy and factors affecting the success rates of nasolacrimal probing and silicone intubation (SI) in patients with congenital nasolacrimal duct obstruction (CNLDO).
Methods: We retrospectively reviewed the medical records of patients including 69 eyes of 59 patients who received probing and 61 eyes of 49 patients who received SI. In patients with probing, the age, sex, and history of conservative treatment were analyzed in the success and failure groups, and a success rate comparison was conducted by dividing these values into postnatal group 1 (< 6 months), group 2 (6-12 months), and group 3 (≥ 12 months) following their age. In patients with SI, the age, sex, retention period of the tube, and history of probing and conservative treatment were analyzed in the success and failure groups.
Results: In the failure group involving probing, the average age was significantly higher compared with the success group (p = 0.005), and the success rate of group 3 was significantly lower compared with group 2 (p = 0.005). In the failure group involving SI, the age was significantly higher (p = 0.015); however, the retention period was shorter (p = 0.006), and the history of probing also showed a statistically significant difference between the two groups (p = 0.009). Logistic regression analysis showed that the age and history of probing had an effect on the success rate (p = 0.049 and p = 0.047, respectively); however, the retention period was not statistically significant (p = 0.411).
Conclusions: In patients with CNLDO > 12 months, the success rate of probing was lower than in patients < 12 months, and probing might have an effect on the success rate of future SIs. It is therefore recommended that SI be preferentially performed on patients > 12 months.
Keywords : Congenital, Intubation, Lacrimal duct obstruction

 

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