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Updated: Aug 14, 2026

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Transcanalicular Diode Laser-assisted Dacryocystorhinostomy for the Treatment of Primary Acquired Nasolacrimal Duct Obstruction
Published on: October 13, 2017
Balloon catheter dilatation in lacrimal surgery
1Jules Stein Eye Institute, UCLA School of Medicine.
Summary
Balloon catheter dilatation successfully restored tear drainage in most patients with failed dacryocystorhinostomy. Repeat procedures can effectively manage recurring epiphora, offering a viable treatment option.
Area of Science:
- Ophthalmology
- Otorhinolaryngology
Background:
- Dacryocystorhinostomy (DCR) is a surgical procedure to restore tear drainage.
- Failed DCR can lead to persistent epiphora (watery eye).
Observation:
- This study evaluated balloon catheter dilatation for failed DCR in four patients.
- Patients presented with symptoms of epiphora due to lacrimal drainage obstruction.
Findings:
- Three out of four patients achieved a patent lacrimal drainage system and relief from epiphora post-procedure.
- One patient experienced a transient partial response, and another had recurring epiphora that responded to a second dilatation.
Implications:
- Balloon catheter dilatation is a minimally invasive option for treating failed DCR.
- Recurrence of epiphora may be managed with repeat interventions, improving patient outcomes.

