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An Alternative and Validated Injection Method for Accessing the Subretinal Space via a Transcleral Posterior Approach
Published on: December 7, 2016
Needle revision of filtering blebs
Robert M Feldman1, Rania R Tabet
1Department of Ophthalmology and Visual Science, University of Texas Medical School Houston, Houston, TX 77030, USA. rmfeldman@swbell.net
Journal of Glaucoma
|October 16, 2008
Summary
Needle revision of filtering blebs can successfully salvage trabeculectomy surgery when filtration fails or complications like leaks arise. This procedure is a valuable option before considering more invasive treatments for glaucoma.
Area of Science:
- Ophthalmology
- Glaucoma Surgery
Background:
- Modern trabeculectomy offers high success rates for glaucoma management.
- Long-term complications include filtration failure, bleb leaks, and dysesthesia.
- Needle revision is a potential intervention for these complications.
Purpose of the Study:
- To review the clinical experience and effectiveness of needle revision for filtering bleb complications after trabeculectomy.
Main Methods:
- Review of clinical experience with bleb needle revision techniques.
- Focus on outcomes for failed, failing, leaking, or dysesthetic blebs.
- Discussion of various procedural settings and techniques.
Main Results:
- Needle revision is a useful adjunct for managing trabeculectomy filter failures and bleb issues.
- The procedure can yield fairly good results across different techniques.
- It serves as a viable alternative to more aggressive surgical interventions.
Conclusions:
- Bleb needle revision is a recommended step before considering further surgery or intensive medical therapy for trabeculectomy complications.
- Further rigorous clinical studies are needed to establish definitive best practices.

