Clinical outcomes of initial and repeated nasolacrimal duct office-based probing for congenital nasolacrimal duct obstruction.
OBJECTIVE
To characterize the outcomes of initial and repeated office-based probing as a primary treatment for congenital nasolacrimal duct obstruction (CNLDO) in children.


METHODS
The medical records of patients who underwent nasolacrimal duct office-based probing for CNLDO between March 2004 and January 2008 were reviewed retrospectively. Nasolacrimal duct probing was performed on 244 eyes from 229 consecutive patients with CNLDO. Patients who were refractory to the first probing underwent a second probing 4 to 8 weeks later.


RESULTS
Based on exclusion criteria, 244 eyes from 229 patients (117 males and 112 females), aged 6 to 71 months (mean, 12.4 ± 8.36) were included. The success rate of the initial probing was 80% (196 of 244) for all patients, 82% (111 of 136) in the 6 to 12 month age group, 79% (64 of 81) in the 13 to 18 months age group, and 78% (21 of 27) among individuals older than 19 months (p = 0.868, Pearson chi-square test). The success rate of the second probing was 61% (25 of 41) for all patients, 74% (17 of 23) in the 6 to 12 months age group, 58% (7 of 12) in the 13 to 18 months age group, and 17% (1 of 6) among individuals older than 19 months (p = 0.043, Fisher's exact test).


CONCLUSIONS
While the success rate of initial nasolacrimal duct probing is not affected by age, the rate of success rate with a second probing was significantly lower in patients older than 19 months. Based on the results, authors recommend further surgical interventions, such as silicone tube intubation or balloon dacryocystoplasty, instead of repeated office probing for patients older than 19 months, if an initial office probing has failed.
Department of Ophthalmology, Korea University College of Medicine, Seoul, Korea.
Deok Sun
DS
Cha
Hwa
H
Lee
Min Soo
MS
Park
Jong Mi
JM
Lee
Se Hyun
SH
Baek
D000553:Ambulatory Care; D002648:Child; D002675:Child, Preschool; D003608:Dacryocystorhinostomy; D005260:Female; D006801:Humans; D007223:Infant; D007723:Korea; D007767:Lacrimal Duct Obstruction / Q000151:congenital; D008297:Male; D009301:Nasolacrimal Duct / Q000601:surgery*; D012189:Retrospective Studies; D016896:Treatment Outcome