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  • Title: Trabeculectomy with subconjunctival collagen implant in Indian eyes: Long-term results.
    Author: Singh K, Bhattacharyya M, Mutreja A, Dangda S.
    Journal: Indian J Ophthalmol; 2018 Oct; 66(10):1429-1434. PubMed ID: 30249827.
    Abstract:
    PURPOSE: To report long-term safety and efficacy of trabeculectomy with collagen implant in Indian population. METHODS: All cases of trabeculectomy with Ologen® Collagen Matrix implant performed over a 7-year period from May 2008 through April 2015 at a tertiary referral institute were reviewed. A total of 30 eyes of 28 patients were included in the study with two patients undergoing bilateral trabeculectomy. Outcomes measured included intraocular pressure (IOP) control, number of antiglaucoma medications used, bleb morphology, and complications/reoperations. RESULTS: Trabeculectomy resulted in reduction in IOP from 36.46 to 11.65 mm Hg in the immediate postoperative period (day 1), a 68% decrease to 15.18 mm Hg at 84 months (58% decrease). The mean IOP reduction decreased over time from 63% in the first year to 55% after 5 years of follow-up. Fourteen eyes attained a follow-up of 5 years and eight eyes a follow-up of ≥7 years. No sight-threatening complication such as hypotony, bleb leak, and bleb-related endophthalmitis was observed in our series, and only intervention required was 5-fluorouracil needling in one case. CONCLUSION: Ologen-augmented trabeculectomy is effective in controlling IOP over a long-term follow up from minimal 3 to maximal 7 years. No untoward events jeopardizing bleb safety were noted at any time. This modality is a viable alternative for patients with contraindications to use of antimetabolites.
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