J Korean Ophthalmol Soc > Volume 53(7); 2012 > Article
Journal of the Korean Ophthalmological Society 2012;53(7):929-933.
DOI: https://doi.org/10.3341/jkos.2012.53.7.929    Published online July 13, 2012.
The Clinical Outcome of Endoscopic Silicone Tube Intubation for Congenital Nasolacrimal Duct Obstruction.
Jung Jae Lee, Jae Hwan Ahn, Jung Lim Kim, Jae Wook Yang
1Department of Ophthalmology, DongKang Medical Center, Ulsan, Korea.
2Department of Ophthalmology, Busan Paik Hospital, Inje University College of Medicine, Busan, Korea. eyeyang@inje.ac.kr
선천성 코눈물관 막힘 환자에서 내시경적 실리콘관 삽입술의 치료효과
Department of Ophthalmology, DongKang Medical Center1, Ulsan, Korea
Department of Ophthalmology, Busan Paik Hospital, Inje University College of Medicine2, Busan, Korea
To evaluate the surgical results and clinical effectiveness of silicone tube intubation through Hasner's valve under intranasal endoscopic guidance in children with congenital nasolacrimal duct obstruction (CNDO). METHODS: The present study enrolled a total of 58 eyes of 46 children over 12 months of age diagnosed with CNDO in the Department of Ophthalmology, Inje University College of Medicine from 2003 to 2010. Patients who had previously undergone ineffective probing or had a combination of an anatomical abnormality such as secondary nasolacrimal duct obstruction were also included. The silicone tube was intubated through the Hasner's valve and observed with intranasal endoscopy; tube retention time was planned for at least 12 weeks. RESULTS: A total of 20 eyes were previously probed preoperatively (mean 1.7 times). After the average follow-up period of 13.5 months, the overall success of silicone intubation was 57 of 58 eyes (98%). In one failed eye, nasolacrimal obstruction was already combined preoperatively, and unintentional tube removal by the patient occurred within one week. Silicone tube reintubation was performed after four months, and CNDO symptoms improved. CONCLUSIONS: Intranasal endoscopic observation to ensure the passage of a silicone tube through Hasner's valve decreases anatomical injury. When considering patient age and former treatment, silicone tube intubation with intranasal endoscopic observation could produce desirable results with a higher success rate.
Key Words: Congenital nasolacrimal duct obstruction;Hasner's valve;Nasal endoscope;Silicone tube intubation

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