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KMID : 0360220210620050589
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Journal of the Korean Ophthalmological Society
2021 Volume.62 No. 5 p.589 ~ p.594
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Analysis of Office Probing in Children Under 4 Years of Age with Congenital Nasolacrimal Duct Obstruction
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Kang Min-Seung
Suh Su-Youn
Ahn Jung-Hyo
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Abstract
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Purpose: To analyze the effect of office-based probing in different age groups of children with congenital nasolacrimal duct obstruction.
Method: A retrospective study was conducted in 146 children (200 eyes) diagnosed with congenital nasolacrimal duct obstruction who underwent office-based probing. The children were classified into four groups at the time of probing: group A (< 6 months), group B (> 6 months but < 12 months), group C (> 12 months but < 20 months), and group D (> 20 months but < 48 months). Age at the time of the procedure, gender, laterality, follow-up period, clinical symptoms, and the number of probings were investigated. Success rates were compared among the four groups in terms of sex, age, laterality, and the number of probings.
Results: The success rate of the first probing was 160/200 eyes (80.0%). The success rates were 87.5% in group A, 85.7% in group B, 77.6% in group C, and 76.7% in group D. No significant difference in the success rate was observed according to age (p = 0.550). The second probing was performed in 40 eyes. The success rates were 100% in group A, 87.5% in group B, 70.6% in group C, and 35.7% in group D. A significant difference in the success rate was observed according to age (p = 0.048). The success rate of the second probing was 25/40 eyes (62.5%). No significant difference in laterality was observed among the four groups (p = 0.291).
Conclusions: No significant difference in the success rate of first nasolacrimal duct probing was detected, but a significant difference in the success rate of the second probing was detected according to age in children < 4 years of age.
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KEYWORD
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Age, Congenital, Lacrimal duct obstruction, Probing
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