Journal of ocular pharmacology and therapeutics : the official journal of the Association for Ocular Pharmacology and Therapeutics · 2010
Use of 5-Fluorouracil injections to reduce the risk of trabeculectomy bleb failure after cataract surgery.
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Shahid Humma, Salmon John F
Аннотация
PURPOSE: To determine whether the use of postoperative subconjunctival 5-fluorouracil (5-FU) reduces the risk of trabeculectomy bleb failure after uncomplicated small incisional cataract surgery.
METHODS: Twenty-five consecutive patients with primary open-angle glaucoma and a functioning trabeculectomy bleb and who underwent uncomplicated phacoemulsification surgery were given subconjunctival injections of 5 mg 5-FU at 2, 4, and 12 weeks after cataract surgery (5-FU group). The mean postoperative intraocular pressure (IOP) over a 2-year period and the trabeculectomy survival rate, as determined by Kaplan-Meier survival analysis, was compared with a historical series of patients who had undergone cataract surgery in the presence of a filtering trabeculectomy bleb, but who had not received 5-FU (control group).
RESULTS: After a 2-year follow-up period, there was no significant difference in the mean IOP between the 5-FU (15.1 mm Hg SD 3.1) and control (15.3 mm Hg SD 3.3) groups (P = 0.67). An IOP > 21 mm Hg at any time point after the first postoperative month after cataract surgery was found in 4.0% cases in the 5-FU group and 16.7% cases in the control group (P = 0.78). Using Kaplan-Meier survival analysis, the difference in the cumulative probability of survival between the 5-FU and control groups was not significant (P = 0.30).
CONCLUSION: Cataract surgery is a significant risk factor for trabeculectomy bleb failure. The use of subconjunctival 5-FU injections at 2, 4, and 12 weeks after cataract surgery in elderly white patients with primary open-angle glaucoma does not reduce the risk of trabeculectomy failure.
METHODS: Twenty-five consecutive patients with primary open-angle glaucoma and a functioning trabeculectomy bleb and who underwent uncomplicated phacoemulsification surgery were given subconjunctival injections of 5 mg 5-FU at 2, 4, and 12 weeks after cataract surgery (5-FU group). The mean postoperative intraocular pressure (IOP) over a 2-year period and the trabeculectomy survival rate, as determined by Kaplan-Meier survival analysis, was compared with a historical series of patients who had undergone cataract surgery in the presence of a filtering trabeculectomy bleb, but who had not received 5-FU (control group).
RESULTS: After a 2-year follow-up period, there was no significant difference in the mean IOP between the 5-FU (15.1 mm Hg SD 3.1) and control (15.3 mm Hg SD 3.3) groups (P = 0.67). An IOP > 21 mm Hg at any time point after the first postoperative month after cataract surgery was found in 4.0% cases in the 5-FU group and 16.7% cases in the control group (P = 0.78). Using Kaplan-Meier survival analysis, the difference in the cumulative probability of survival between the 5-FU and control groups was not significant (P = 0.30).
CONCLUSION: Cataract surgery is a significant risk factor for trabeculectomy bleb failure. The use of subconjunctival 5-FU injections at 2, 4, and 12 weeks after cataract surgery in elderly white patients with primary open-angle glaucoma does not reduce the risk of trabeculectomy failure.