To evaluate the outcome and complications of Endoscopic endonasal Dacryocystorhinostomy (DCR) using an inferiorly based mucosal flap as compared to a conventional posteriorly based mucosal flap with flap preservation and no stenting. 36 patients presenting with nasolacrimal duct obstruction were divided into two groups: the first group underwent endoscopic DCR using an inferiorly based mucosal flap, and the other group used a posteriorly based mucosal flap. In both groups, the mucosal flap was preserved, and bone was removed using Kerrison's punch. No stenting was done in any of the cases. The patency of the ostia was determined by syringing, and nasal endoscopy was done to look at the neo-ostium at follow-up visits to determine success and complications in each group. All 18 cases in the inferiorly based flap group had patent ostia with good mucosalization of the neo-ostium at 6-month follow-up. 3 of the 18 cases in the conventional posteriorly based flap group had failure due to granulation tissue formation around the neo-ostium. The use of an inferiorly based mucosal flap is easy to fashion and reposition at the end of the surgery. This technique has a good outcome with patent ostia during the follow-up period of 6 months.
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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC10982167 | PMC |
| http://dx.doi.org/10.1007/s12070-023-04435-4 | DOI Listing |
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