Long-term results of endonasal dacryocystorhinostomy with and without stenting

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Abstract

INTRODUCTION

This study aimed to evaluate the short and long-term results of endoscopic dacryocystorhinostomy (DCR) with and without silicone stenting in chronic dacrocystorhinitis due to postsaccal blockage.

METHODS

The study involved a case series of consecutive 89 patients (128 eyes) who underwent endoscopic DCR. All patients were operated on by the senior author. The stent group comprised 63 eyes (44 patients), for which the DCR was performed between September 2002 and September 2005. The non-stent group with 65 eyes (45 patients) underwent the DCR between October 2005 and December 2006. The follow-up duration was up to 33 months after surgery. The statistical significance (p-value) was calculated using the chi-squared test.

RESULTS

The short-term success rate at six months' follow-up was 70% in the stent group and 97% in the non-stent group (p=0.0005) while the long-term success rate at 33 months was only 57% in stent group compared with 89% in the non-stent group (p=0.0003).

CONCLUSIONS

In this study, the non-stent group showed a higher success rate than the stent group on both short and longterm follow-up. Our study suggests that postoperative stents are not necessary for primary DCR and may be associated with a worse outcome.

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