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PURPOSE: The aim of this study was to assess the long-term risk of steroid-induced ocular hypertension and the need for glaucoma treatment with long-term use of topical prednisolone acetate 1% in patients without preexisting glaucoma. METHODS: We retrospectively reviewed the charts of 211 patients without previous glaucoma, who underwent Descemet stripping endothelial keratoplasty (DSEK) and used topical prednisolone acetate long-term to prevent graft rejection. Dosing was 4 times daily for 4 months and tapered to once daily. The main outcomes were ocular hypertension (defined as intraocular pressure ≥24 mm Hg, or increase of ≥10 mm Hg over baseline) and initiation of glaucoma treatment. RESULTS: The median patient age was 70 years (range: 34-94 years). The indications for DSEK were Fuchs dystrophy (88%), pseudophakic corneal edema (7%), failed DSEK (3%), and failed penetrating keratoplasty (2%). The median follow-up period was 7 years (range, 1-17 years). At 1, 5, and 10 years, the cumulative risks of steroid-induced ocular hypertension were 29%, 41%, and 49%, respectively, and the risks of requiring glaucoma treatment were 11%, 17%, and 25%, respectively. Among 35 eyes treated for glaucoma, 28 (80%) were managed medically and 7 (20%) had filtration surgery. CONCLUSIONS: Long-term use of potent topical corticosteroids, such as prednisolone acetate 1%, entails substantial risk of developing steroid-induced ocular hypertension, so frequent monitoring of intraocular pressure is required. With corneal transplantation, the risk can be mitigated by using techniques with a low inherent risk of rejection, such as Descemet membrane endothelial keratoplasty, whenever possible, to allow earlier reduction of steroid potency.
Cornea Research Foundation of America, Indianapolis, IN; and.
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