Journal of glaucoma · 2009
Effect of trabeculectomy on intraocular pressure fluctuation with postural change in eyes with open-angle glaucoma.
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Hirooka Kazuyuki, Takenaka Hirokazu, Baba Tetsuya, Takagishi Mai, Mizote Masanori, Shiraga Fumio
Аннотация
PURPOSE: To investigate the effect of trabeculectomy on the intraocular pressure (IOP) fluctuations caused by the postural change in patients with open-angle glaucoma.
METHODS: Prospective, nonrandomized study. Ten eyes of 10 patients with primary open-angle glaucoma and 3 eyes of 3 patients with normal-tension glaucoma who underwent trabeculectomy were studied. The IOP at the baseline and 3 months after trabeculectomy was measured in both sitting and supine positions. A pneumatonometer was used to measure the IOP in both sitting and supine position.
RESULTS: The mean IOP in the sitting position was 19.6+/-5.1 mm Hg at the baseline and 9.4+/-2.9 mm Hg after trabeculectomy (P<0.01, paired t test). The mean difference in IOP between the sitting and supine position was 4.1+/-1.6 mm Hg at the baseline and 2.2+/-1.5 mm Hg after trabeculectomy (P=0.01, paired t test).
CONCLUSIONS: Trabeculectomy might decrease not only the IOP in the sitting position but also the magnitude of IOP elevation associated with the postural change.
METHODS: Prospective, nonrandomized study. Ten eyes of 10 patients with primary open-angle glaucoma and 3 eyes of 3 patients with normal-tension glaucoma who underwent trabeculectomy were studied. The IOP at the baseline and 3 months after trabeculectomy was measured in both sitting and supine positions. A pneumatonometer was used to measure the IOP in both sitting and supine position.
RESULTS: The mean IOP in the sitting position was 19.6+/-5.1 mm Hg at the baseline and 9.4+/-2.9 mm Hg after trabeculectomy (P<0.01, paired t test). The mean difference in IOP between the sitting and supine position was 4.1+/-1.6 mm Hg at the baseline and 2.2+/-1.5 mm Hg after trabeculectomy (P=0.01, paired t test).
CONCLUSIONS: Trabeculectomy might decrease not only the IOP in the sitting position but also the magnitude of IOP elevation associated with the postural change.