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要約 目的:ドルゾラミド点眼薬をプロスタグランジン関連点眼薬に追加投与したときの長期効果の報告。対象と方法:プロスタグランジン関連点眼薬を単剤として加療中の原発開放隅角緑内障97例97眼を対象とした。男性49例,女性48例で,年齢は32~88歳,平均70歳であった。1%ドルゾラミド点眼薬を1日3回追加投与し,以後3年間の眼圧,視野のmean deviation(MD)値,副作用を投与前と比較した。結果:平均眼圧は,治療開始前17.5±3.1mmHgであり,1年後15.1±3.1mmHg,2年後15.0±3.1mmHg,3年後14.8±3.1mmHgと,いずれも有意に下降した(p<0.0001)。Humphrey視野計によるMD値は,開始前から3年間不変であった。11例(11.3%)が不十分な眼圧下降のため,5例(5.2%)が副作用のため,追加点眼を中止した。結論:プロスタグランジン関連点眼薬で加療中の原発開放隅角緑内障に対し,1%ドルゾラミドの追加点眼を行い,以後3年間眼圧が下降し,視野が維持され,安全性も良好であった。
Abstract. Purpose:To report the long-term effect of topical dorzolamide added to prostaglandin analogs in glaucoma patients. Cases and Method:This multi-institutional study was made on 97 eyes of 97 patients who were treated by topical prostaglandin analogs for primary open-angle glaucoma(POAG). The series comprised 49 males and 48 females. The age ranged from 32 to 88 years, average 70 years. Additionally, they were given 1% dorzolamide 3 times daily and were monitored for intraocular pressure(IOP), mean deviation(MD)of visual field, and side effects for 3 years. Results:IOP averaged 17.5±3.1 mmHg before start of treatment, 15.1±3.1 mmHg one year later, 15.0±3.1 mmHg 2 years later, and 14.8±3.1 mmHg 3 years later. The differences from the pretreatment level were significant(p<0.0001). MD values by Humphrey perimetry remained unchanged throughout the 3 years. Treatment was discontinued in 11 cases(11.3%)due to failed IOP control and in 5 cases(5.2%)due to adverse reactions. Conclusion:Instillation of 1% dorzolamide added to prostaglandin analogs resulted in well-controlled IOP, preserved visual field and minimal adverse reaction in POAG eyes for 3 years.
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