Diode Laser-Assisted Endocanalicular Dacryocystorhinostomy: A Prospective Study

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Abstract

Purpose:

To evaluate the efficacy of the diode laser in endocanalicular dacryocystorhinostomy.

Methods:

A prospective, noncomparative, interventional case series using the diode laser for endocanalicular dacryocystorhinostomy in patients with tearing and nasolacrimal duct obstruction. Outcome measures included subjective tearing complaints and objective patency of the nasolacrimal system. Success was defined as improvement of symptoms with patency of nasolacrimal drainage. Patients were followed for 12 months. Institutional review board approval was obtained.

Results:

Forty eyes (28 unilateral, 6 bilateral) underwent surgery. Five cases were excluded because of inadequate follow-up. Patients ranged in age from 27 to 88 years (66.7 ± 15.7). Seventy-seven percent were female and 23% were male. At 1 week, 88% had improvement in tearing, 12% had no change or worsening of symptoms, and all patients were patent on irrigation. At 1 month, 86% had improvement, 14% had no change, and all patients were patent on irrigation. At 3 months, 83% had improvement and were patent on irrigation. Seventeen percent had no change or worsening with reflux and were considered failures. At 6 months, 77% had improvement and were patent on irrigation. Five additional patients had no change, reflux on exam and were failed surgeries. At 12 months, 74% had complete resolution and were patent. One additional patient failed. Nine surgeries in 35 cases were considered failures by 12 months.

Conclusions:

Subjective complaints of tearing correlated with patency of the nasolacrimal system after 3 months. A success rate of 74.3% (26 out of 35 cases) was observed by 12 months.

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