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Needling with intra-bleb 5 fluorouracil for intractable neovascular glaucoma
Background And Objective:
Trabeculectomy for neovascular glaucoma (NVG) often results in filtering bleb scarring. The outcome of a needling procedure with intra-bleb 5-fluorouracil (5-FU) administration in NVG eyes is presented.
Patients And Methods:
Following trabeculectomy with mitomycin C (MMC), intraocular pressures (IOPs) ranged between 36 to 56 mm Hg in 3 painful, neovascular glaucomatous eyes despite treatment. Each eye was then injected subconjunctivally with 1.0 mg of 5-FU, adjacent to and within the filtering bleb. The needle was advanced and penetration into the anterior chamber through the bled, anterior to the scleral flap, followed.
Results:
In each eye, the IOP dropped immediately. After 18 to 29 months, IOPs were 11 to 22 mm Hg, and in two eyes-without hypotensive medications. Cataract progression was evident in the 2 eyes that had had cataracts preoperatively.
Conclusion:
The postoperative needling, in conjunction with the dual effect of intraoperative MMC and intra-bleb 5-FU, was found efficacious and saved further surgery in these intractable cases.