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Updated: Jul 16, 2026

Transcanalicular Diode Laser-assisted Dacryocystorhinostomy for the Treatment of Primary Acquired Nasolacrimal Duct Obstruction
Published on: October 13, 2017
[Trans-canalicular diode laser dacryocystorhinostomy: technical variations and results]
José Maeso Riera1, Maria Teresa Sellarès Fabrés
1Otorrinolaringología, Hospital Municipal de Badalona, Barcelona, España. 24024jmr@comb.es
Objective:
To confirm the usefulness of the trans-canalicular laser approach of lachrymal obstructions.
Material And Method:
We carried out an observational, prospective, non-randomized interventional study on 150 consecutive eyes treated, between March 2004 and March 2005, using a trans-canalicular approach with a diode laser, under endonasal endoscopic control. We studied 2 groups of 75 eyes: in group I we did not use lachrymal silicone intubation nor mitomycin C; in group II we used mitomycin C and bicanalicular lachrymal intubation. Mean follow-up period has been 16 months.
Results:
Positive lachrymal irrigation was present in 67/75 eyes in group I and in 71/75 eyes in group II. Clinical improvement was found in 69/75 eyes in group I and in 73/75 in group II.
Conclusions:
Technical variations as lachrymal intubation or use of mitomycin C have not demonstrate significant differences. Our results indicate that the transcanalicular approach with diode is effective, with minimal local and general morbidity.

