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Early postop IOP may predict success after combined cataract, glaucoma surgery
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An IOP of 9 mm Hg or less on the first postoperative day after combined phacoemulsification and deep sclerectomy may be considered a positive prognostic gauge of success, a retrospective study suggests.
Jorge L. García-Pérez, MD, and colleagues evaluated IOP as a prognostic indicator 1 day after combined phacoemulsification and nonpenetrating deep sclerectomy in 70 eyes of 70 patients with open-angle glaucoma and cataract. Subsequently, the investigators performed visual acuity, IOP and slit lamp postop examinations at 1 and 7 days and 1, 3, 6, 12 and 24 months.
For analysis, patients were divided into two groups based on IOP at 1 day postop. Group one included 35 patients with an IOP of 9 mm Hg or less; group two included 35 patients with an IOP higher than 9 mm Hg.
At baseline, IOP for the entire cohort averaged 22.5 mm Hg, the authors noted.
Postoperative IOP averaged 11.6 mm Hg at 1 day, 16.4 mm Hg at 12 months and 17 mm Hg at 24 months.
The investigators observed a greater success rate among patients in group one (P = .006).
"These patients also had a significantly reduced need for glaucoma treatment (P = .015) and goniopuncture (P = .009)," according to the study, published in the August issue of Journal of Cataract & Refractive Surgery.