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Abstract
Purpose
This study evaluated the clinical outcomes of transcanalicular laser-assisted dacryocystorhinostomy (TCL-DCR) using a diode laser in patients with nasolacrimal duct obstruction (NLDO).
Methods
A total of 71 patients (76 eyes) who underwent TCL-DCR between May 2004 and April 2010 were analyzed. The functional and anatomic success rates were evaluated and the causes of failure were analyzed.
Results
The anatomic and functional success rates in primary TCL-DCR were 73.9% (51 of 69 eyes) and 62.3% (43 of 69), respectively. The causes of failure were membranous obstruction in 50.0% of the cases, granuloma formation in 38.9%, synechia formation in 5.6%, and canalicular stenosis in 5.6%. The anatomic and functional success rates were both 42.9% (3 of 7eyes) after TCL-DCR revision.
Conclusions
The success rate of TCL-DCR is relatively comparable to that of conventional surgery. Additionally, the advantages of the procedure are its minimal invasiveness and convenience in an outpatient setting, suggesting that TCL-DCR may be an effective procedure for primary and secondary NLDO.
References
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Figure 1.
Catheter used for TCL-DCR. TCL-DCR = transcanalicular diode-laser assisted dacryocystorhinostomy.
Figure 2.
Intranasal view during TCL-DCR using diode laser (Black arrow shows Laser probe tip). TCL-DCR = transcanalicular diode-laser assisted dacryocystorhinostomy.
Table 1.
Functional and anatomic success rates of primary TCL-DCR and TCL-DCR revision after failure
| | Primary TCL-DCR | First revision TCL-DCR | Second revision TCL-DCR |
|---|---|---|---|
| Functional | 62.3% (43/69) | 55.6% (10/18) | 66.6% (2/3) |
| Anatomic | 73.9% (51/69) | 72.2% (13/18) | 100.0% (3/3) |
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