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  • Title: Slit-lamp needle revision of failed filtering blebs using high-dose mitomycin C.
    Author: Shetty RK, Wartluft L, Moster MR.
    Journal: J Glaucoma; 2005 Feb; 14(1):52-6. PubMed ID: 15650605.
    Abstract:
    PURPOSE: To investigate the efficacy of bleb needle revision with high-dose mitomycin C in reviving failed filtering blebs after 1 year. PATIENTS AND METHODS: We reviewed the charts of 44 patients with one eye that had undergone bleb needle revision with a mixture of 0.1 mL of mitomycin (0.4 mg/mL) mixed with 0.1 mL of non-preserved 1% lidocaine. At least 12 months of follow-up were required. A successful bleb needle revision was defined as one that did not require a subsequent needling, glaucoma surgery, or medication to reach an intraocular pressure (IOP) greater than 4 mm Hg but less than 22 mm Hg. A qualified success was defined as a successful bleb needle revision that required subsequent needling or medication. RESULTS: The bleb needle revision with high-dose mitomycin was a success or qualified success after 12 months in 28 patients or 64% (95% confidence interval, 50% to 78%). The baseline IOP in these patients was 26.7 +/- 8.2 mm Hg (range 15 to 48 mm Hg) using an average of 1.5 +/- 1.5 glaucoma medications. The IOP after 1 year was 13.6 +/- 4.0 (range 6 to 21 mm Hg) with an average of 0.5 +/- 0.8 medications. Of 44 patients, 17 (39%) were successes and 11 (25%) were qualified successes. CONCLUSION: Bleb needle revision with high-dose MMC was effective in reducing the IOP in 64% of eyes with a failed filtering bleb with minimal long-term complications.
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