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The Official Scientific Journal of Delhi Ophthalmological Society
Evaluation of Functional Outcome of Silicone Intubation on Patency of Lacrimal System in Canalicular Obstruction and Revision Surgeries
Rashmi Joshi, Sarita Maharia, Anju Kochar 
Department of Ophthalmology, Sardar Patel Medical College, Bikaner, India

Corresponding Author:
Rashmi Joshi MS
Assistant Professor 
Department of Ophthalmology, 
Sardar Patel Medical College, Bikaner, India
Email id: drashishrashmi@yahoo.co.in
Received: 27-JUL-2017 Accepted: 26-NOV-2017 Published Online: 01-MAR-2018
DOI: http://dx.doi.org/10.7869/djo.329
Purpose:- The purpose of the present study is to report authors’ experience of functional outcome of Silicone intubation on patency of lacrimal system in canalicular obstruction and revision surgeries. 

Materials and Methods:- This study was conducted at Sardar Patel Medical College from January 2015 to March 2017. A total of 32 cases were enrolled in this study. Twelve patients of canalicular block and 20 patients of various failed DCR techniques were recruited for the study. Two patients had failed DCR twice, and 18 patients had failed DCR once. Twelve of these previous failed DCR were endoscopic DCR, and 6 were external dacryocystorhinostomy (E-DCR). All cases were operated by a single surgeon using the same technique of intubation. 

Results:- In our study we found that Silicone intubation is an effective method for treating canalicular block and failed DCR. Silicone tube is soft, relatively inert, and flexible, causing minimal injury to the delicate canaliculi and nasal mucosa. It maintained duct patency by maintaining an opening. The main outcome measures were the resolution of epiphora and the anatomical and functional successes by patency on follow up. 

Conclusion:- The success rates reported for silicone intubation range from 69% to 100% in various studies. The 94.5% success rate noted in the present study is entirely comparable to these previously reported results, with minimal complication. 
Keywords : Silicone Intubation, endoscopic DCR, external dacryocystorhinostomy (DCR), epiphora
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