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    Postoperative 5-fluorouracil versus intraoperative mitomycin C in high-risk glaucoma filtering surgery: extended follow up
    (Blackwell Publishing Asia, 2003) Akarsu, C.; Onol, M.; Hasanreisoglu, B.
    Purpose: To compare the long-term efficacy and safety of postoperative subconjunctival 5-fluorouracil (5-FU) injections with that of intraoperative mitomycin C (MMC) in eyes at high risk for failure of trabeculectomy. Methods: In a retrospective, non-randomized comparative trial, 36 eyes of 36 consecutive patients at high risk for failure of trabeculectomy underwent glaucoma filtering surgery with either postoperative subconjunctival 5-FU injections (19 eyes) or intraoperative application of MMC (17 eyes). Intraocular pressure, number of postoperative antiglaucoma medications, postoperative visual acuity, interventions, and complications were evaluated. Results: Overall success (intraocular pressure less than or equal to21 mmHg) at 1 year was 73.6% in the 5-FU group and 82.3% in the MMC group. The cumulative 4-year success was 52.6% in the 5-FU group and 60.5% in the MMC group (P = 0.6). At 4-year follow up, mean +/- SD intraocular pressures were 17.58 +/- 4.01 mmHg in the 5-FU group and 13.33 +/- 3.36 mmHg in the MMC group (P = 0.01). There was no significant difference in the number of post-operative medications (P = 0.84), appearance of blebs (P = 0.20), final visual acuity (P = 1.00), and complications (P > 0.05) between the groups. Conclusions: These results suggest that both postoperative 5-FU injections and intraoperative MMC application have long-term success in high-risk patients. However, MMC results in a greater decrease in intraocular pressure than 5-FU.