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要約 目的:iStent inject® Wを使用した水晶体再建術併用眼内ドレーン手術(以下,iStent inject W手術)の術後1年成績を報告すること。
対象と方法:広義開放隅角緑内障に対し,iStent inject W手術を施行した34例55眼(75.3±10.2歳,女性30眼)を対象とした。術前,術後1,3,6,9,12か月において,それぞれ眼圧と緑内障点眼スコアを比較した。
結果:眼圧(mmHg)は術前15.9±2.9,術後1か月13.5±2.2,術後3か月13.4±2.3,術後6か月13.6±2.6,術後9か月13.5±2.7,術後12か月13.5±2.7で,術前に比べて全期間で有意に減少した(p<0.05,Dunnettの検定)。緑内障点眼スコアは術前2.2±1.0,術後1か月0.8±1.0,術後3か月0.7±0.8,術後6か月0.7±0.7,術後9か月0.8±0.7,術後12か月0.9±0.8であり,術前に比べて緑内障点眼スコアは有意に減少した(p<0.05,Dunnettの検定)。
結論:iStent inject W手術は,緑内障患者において術後12か月まで眼圧下降が持続し,点眼スコアを減少させた。
Abstract Purpose:To report the 1-year postoperative results of iStent inject® W.
Material and methods:A total of 34 patients with 55 eyes(75.3±10.2 years old, 30 female eyes)who underwent intraocular drainage with phacoemulsification(iStent inject® W)for open-angle glaucoma were included in this study. Intraocular pressure(IOP)and glaucoma eye drop score were compared preoperatively to those measured at 1, 3, 6, 9, and 12 months postoperative.
Results:The mean IOP was 15.9±2.9 mmHg preoperatively and 13.5±2.2 mmHg at 1 month, 13.4±2.3 mmHg at 3 months, 13.6±2.6 mmHg at 6 months, 13.5±2.7 mmHg at 9 months, and 13.5±2.7 mmHg at 12 months postoperative, a significant decrease compared to preoperative values over the entire period(Dunnett's test). The mean glaucoma eye drops scores were 2.2±1.0 preoperative and 0.8±1.0 at 1 month, 0.7±0.8 at 3 months, 0.7±0.7 at 6 months, 0.8±0.7 at 9 months, 0.9±0.8 at 12 months postoperative, showing a significant decrease compared with the preoperative value.
Conclusion:Use of the iStent inject® W lowered the mean IOP and eye drops scores up to 12 months postoperative in patients with open-angle glaucoma.
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