Abstract
To determine the incidence of tympanostomy tube (T-tube) insertion in children who required probing and intubation for congenital nasolacrimal duct obstruction (CNLDO) at a single academic institution and to analyze success rates. The medical records of 92 patients who underwent nasolacrimal probing and intubation for CNLDO over a 9-year period were reviewed retrospectively. A preoperative questionnaire was given to the patient's guardian concerning laterality of CNLDO, history of otitis media (OM) antibiotic therapy, history of T-tube placement and number placed. At least 12 months following the initial nasolacrimal duct P&I, a second questionnaire was administered regarding resolution of CNLDO symptoms, additional measures taken to relieve postoperative symptoms if present, and any further history regarding OM episodes or T-tube insertion. Of the 92 children with CNLDO, 37 (40%) required T-tubes either prior to or following nasolacrimal duct probing and intubation, a rate higher than in the general population (P < 0.00001). 21 (56%) of CNLDO probing and intubation patients who required T-tubes required at least two sets, at different times, to relieve OM symptoms. Six of 37 patients (16%) with a history of T-tube placement and 1 of 55 (2%) with no history of T-tube placement had persistent epiphora after nasolacrimal probing and intubation (relative risk, 8.92; P = 0.0388). In our study cohort, pediatric patients with CNLDO who required nasolacrimal probing and intubation were at higher risk of needing T-tubes for chronic OM than the general population, and those needing T-tubes were at increased risk of residual epiphora.
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