Observational studyEye (London, England)2017
Subconjunctival implantation of ologen Collagen Matrix to treat ocular hypotony after filtration glaucoma surgery.
Observational study in Eye (London, England), 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
4 citing papers in PubMed, 10 citations in OpenAlex.
- A novel bleb revision technique: lining with tenon's patch graft for treatment of large, ischemic, leaking blebs with severe conjunctival scarring after trabeculectomy.Japanese journal of ophthalmology · 2024Article
- Ologen implant versus mitomycin C in combined trabeculectomy and phacoemulsification.Indian journal of ophthalmology · 2022Article
- Trabeculectomy with subconjunctival collagen implant in Indian eyes: Long-term results.Indian journal of ophthalmology · 2018Article
- Patch Grafting Using an Ologen Collagen Matrix to Manage Tubal Exposure in Glaucoma Tube Shunt Surgery.Case reports in ophthalmologyArticle
Corrections and comments
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Authors and funding
6 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
PurposeTo report the results of subconjunctival ologen Collagen Matrix implantation to manage ocular hypotony after filtration glaucoma surgery.Patients and methodsThis retrospective observational case series included 12 consecutive implantations of ologen in nine eyes of nine Japanese subjects (five men, four women; mean age±SD, 72.1±12.7 years) who underwent subconjunctival implantation of the device to treat hypotony after glaucoma filtration surgery. Demographic data and surgical results were collected by chart review.ResultsThe subjects included six patients who underwent trabeculectomy and three who underwent an EX-PRESS shunt surgery. The duration between the last glaucoma surgery and the initial ologen implantation was longer than 2 years in seven (78%) eyes. Bleb leakage in five (56%) eyes preoperatively stopped in all cases by 8 days after the device implantation. After the initial implantation, three (33.3%) eyes required a second implantation of ologen because of insufficient efficacy. After a mean follow-up of 12.6±6.8 months, the mean preoperative intraocular pressure (IOP) of 3.8±2.7 mmHg increased significantly (P=0.0001) to 9.0±3.2 mmHg; no eye required glaucoma medication to control the IOP. No vision-threatening complications developed in association with the treatment.ConclusionWhen conservative management failed, subconjunctival implantation of ologen Collagen Matrix in combination with bleb revision can be a useful therapeutic option for ocular hypotony after glaucoma filtration surgery.
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