スタチンの使用と事故性核白内障
Barbara E K Klein1, Ronald Klein, Kristine E Lee
1Department of Ophthalmology and Visual Sciences, University of Wisconsin School of Medicine and Public Health, Madison, WI 53726, USA. kleinb@epi.ophth.wisc.edu
JAMA
|June 22, 2006
まとめ
スタチンの使用は,一般的な年齢に関連する目の疾患である核白内障を発症するリスクを減らすことができます. この研究では,スタチンを服用する人では,使用しない人と比較して,核白内障の発生率が低いことが判明しました.
科学分野:
- オフタルモロジック (眼科)
- 心臓病学 心臓病学
- 薬理学 薬理学とは
背景:
- スタチンは脂質減少のために処方され,抗酸化物質の性質を持っています.
- 酸化ストレスが核白内障の発症に関与している.
- スタチンの使用と白内障の発生の間の関連は,さらなる調査を必要としています.
研究 の 目的:
- スタチンの使用と核白内障の発生率との関連性を評価する.
- この研究は,米国中西部のコミュニティで行われました.
主な方法:
- ビーバーダム・アイ・スタディ (Beaver Dam Eye Study) は,人口を対象とした縦断的な観察研究である.
- 核白内障のリスクのある1299人の参加者を5年間にわたって分析しました.
- 白内障の発生率は,検査中に撮影された写真の分類によって決定されました.
主要な成果:
- スタチン使用者の5年間の核白内障発生率は12.2%で,非使用者の17.2%でした (OR,0.55;95%CI,0.36-0.84).
- 糖尿病のない決して喫煙しないサブグループでは,スタチンの使用は,核白内障の60%のリスク低下 (OR,0.40;95%CI,0.18-0.90) と関連していました.
- 皮質性または後部サブカプセル性白内障の有意な関連は見つかりませんでした.
結論:
- 一般集団におけるスタチンの使用は,核白内障のリスクの低下と関連しています.
- 核白内障は,年齢に関連する白内障の最も一般的な形態です.
- 研究結果は,スタチンが,高齢化による核白内障に対する潜在的な保護効果を有することを示唆しています.
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