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Antifibrotics and wound healing in glaucoma surgery
Paul J Lama1, Robert D Fechtner
1Glaucoma Division, New Jersey Medical School, Newark 07103, USA.
Abstract:
When medical and laser therapy fail to control intraocular pressure, glaucoma filtration surgery needs to be performed. Glaucoma surgery is unique in that its success is linked to interruption of the wound-healing response in order to maintain patency of the new filtration pathway. In this article we will review the wound-healing pathway and the pharmacologic interventions that have been employed clinically and experimentally to interrupt wound healing, particularly steroids and the antifibrotic agents 5-fluorouracil and mitomycin C. A review of the published literature looking at use of these agents to enhance success as well as the associated complications are presented, critiqued, and interpreted in order to put the studies in proper perspective. Future directions and recommendations regarding use of these agents are available and an introduction to newer wound modulating agents such as anti-transforming growth factor beta 2 is presented.
Insights
Glaucoma surgery success depends on controlling wound healing. This review examines anti-fibrotic agents like 5-fluorouracil and mitomycin C, and steroids to improve surgical outcomes and reduce complications.
Area of Science:
- Ophthalmology
- Surgical Science
- Pharmacology
Background:
- Glaucoma filtration surgery is essential when medical and laser therapies fail to manage intraocular pressure.
- Surgical success hinges on modulating the wound-healing response to maintain the new filtration pathway's patency.
Purpose of the Study:
- To review the wound-healing pathway in glaucoma surgery.
- To analyze pharmacologic interventions used to interrupt wound healing.
- To evaluate agents like steroids, 5-fluorouracil, and mitomycin C for enhancing surgical success and managing complications.
Main Methods:
- Comprehensive review of published literature on wound healing in glaucoma surgery.
- Critique and interpretation of clinical and experimental studies using anti-fibrotic agents and steroids.
- Analysis of agent efficacy, complications, and future therapeutic directions.
Main Results:
- Steroids, 5-fluorouracil, and mitomycin C have been employed to inhibit wound healing and improve filtration surgery success rates.
- These agents are associated with specific complications that require careful consideration and management.
- The effectiveness and safety profiles of these interventions vary, necessitating a balanced approach.
Conclusions:
- Pharmacologic modulation of wound healing is critical for successful glaucoma filtration surgery.
- Careful selection and application of anti-fibrotic agents and steroids are necessary to balance efficacy and safety.
- Emerging agents targeting pathways like anti-transforming growth factor beta 2 offer future potential for improved outcomes.