Most Ahmed valve patients need additional IOP control by 4 years postop
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The Ahmed glaucoma valve can be safely used in eyes with uveitic glaucoma, although most patients will eventually require additional use of glaucoma medications to control IOP, according to a recent study.
Thekla G. Papadakia, MD, of Harvard Medical School, and colleagues reviewed records for 60 eyes of 60 patients who received the Ahmed valve for uveitic glaucoma.
At 1 year follow-up, 77% of patients experienced a 25% reduction in IOP to 21 mm Hg or lower, which was the study's definition of success, and 57% of these patients achieved success without serious complications, according to the study.
At 4 years, 50% of patients had achieved success, 39% of whom did so without serious complications. Also at 4 years, 74% of patients required glaucoma medications to control IOP, the authors reported.
The study is published in the July issue of American Journal of Ophthalmology.