Outcomes of Posterior Lacrimal Sac Approach in Endoscopic Dacryocystorhinostomy: Review of 35 cases

Abstract

Background

The purpose of this study was to describe the posterior lacrimal sac approach in endoscopic dacryocystorhinostomy (DCR) performed at our institute and report perioperative results achieved with this procedure.

Methods

A prospective clinical study was performed of 35 adult patients with nasolacrimal duct obstruction who underwent posterior lacrimal sac approach DCR from March 1998 to May 2005. Follow-up period ranged from 13 to 30 months (average, 17.5 months; SD, 6.8 months). “Surgical success” was defined as complete relief of epiphora and patent surgical ostium on endoscopic assessment.

Results

Surgical success was achieved in 30/35 (85.7%) patients after the primary surgery. Of 5 unsuccessful patients who complained of occasional epiphora, 4 patients had formed stenosis and 1 patient had granulation around the surgical opening, and all had revision surgery. Four of 5 (80.0%) patients achieved surgical success. Thus, including the result of revision surgery, 34/35 (97.1%) patients were successful.

Conclusion

Posterior lacrimal sac approach in endoscopic DCR has several advantages: good sac accessibility, a low complication rate, and a relatively high success rate. Therefore, the posterior lacrimal sac approach appears to offer a useful alternative approach for the surgical treatment of nasolacrimal duct obstruction.

Keywords

Dacryocystorhinostomy endoscope epiphora lacrimal sac maxillary line nasolacrimal duct uncinate process

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