Ophthalmic surgery, lasers & imaging : the official journal of the International Society for Imaging in the Eye · 2006
Evaluation of aqueous outflow facility in patients with high intraocular pressure after cataract surgery.
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Laurell Carl-Gustaf, Lydahl Eva
Аннотация
BACKGROUND AND OBJECTIVE: To study whether patients with a marked elevation of intraocular pressure (IOP) the day after cataract surgery may have a chronically impaired aqueous outflow.
PATIENTS AND METHODS: In 128 consecutive patients, IOP was measured both preoperatively and the day after phacoemulsification and intraocular lens implantation. In the late postoperative period, aqueous outflow facility (C-value) was measured with pneumatonography in patients (n = 7) who experienced a postoperative IOP increase of at least 20 mm Hg and in patients (n = 11) with a difference between preoperative and postoperative IOP of not more than 2 mm Hg.
RESULTS: Aqueous outflow facility was normal in both groups. Mean C-value was 0.32 +/- 0.18 microL/min/ mm Hg in the hypertensive group and 0.23 +/- 0.10 microL/ min/mm Hg in the normotensive group. The difference was not statistically significant (P = .20).
CONCLUSIONS: Patients with marked IOP elevation the day after cataract surgery do not seem to have a chronically impaired aqueous outflow facility compared with normotensive patients.
PATIENTS AND METHODS: In 128 consecutive patients, IOP was measured both preoperatively and the day after phacoemulsification and intraocular lens implantation. In the late postoperative period, aqueous outflow facility (C-value) was measured with pneumatonography in patients (n = 7) who experienced a postoperative IOP increase of at least 20 mm Hg and in patients (n = 11) with a difference between preoperative and postoperative IOP of not more than 2 mm Hg.
RESULTS: Aqueous outflow facility was normal in both groups. Mean C-value was 0.32 +/- 0.18 microL/min/ mm Hg in the hypertensive group and 0.23 +/- 0.10 microL/ min/mm Hg in the normotensive group. The difference was not statistically significant (P = .20).
CONCLUSIONS: Patients with marked IOP elevation the day after cataract surgery do not seem to have a chronically impaired aqueous outflow facility compared with normotensive patients.