高リスク高齢患者におけるスタチンによる脂質低下療法:治療リスクパラドックス
Dennis T Ko1, Muhammad Mamdani, David A Alter
1Division of Cardiology, Schulich Heart Centre, and Department of Medicine, Sunnybrook and Women's College Health Sciences Centre, Toronto, Ontario.
JAMA
|April 22, 2004
まとめ
医者は,二次性心血管疾患の予防にスタチンの利点を示す証拠があるにもかかわらず,高リスク患者にスタチンを処方することが少なくなりました. スタチンの最適な使用には,心血管の健康結果を最大化するために,高リスクの個人を優先する必要があります.
科学分野:
- 心臓病学 心臓病学
- 医療サービス 研究 医療サービス
- 公衆衛生は公衆衛生である.
背景:
- スタチンを含む心血管疾患治療は,二次予防に不可欠です.
- これらの治療法の最適な利用は,患者の心血管リスクと整合する必要があります.
- 現在の慣行では,高リスク集団ではスタチンを完全に活用できない可能性があります.
研究 の 目的:
- 医師による治療の強度と患者の心血管疾患のリスクとの関係を調査する.
- スタチンの処方パターンが予測された心血管疾患リスクと相関するかどうかを判断する.
主な方法:
- オンタリオ州でリンクされた医療管理データベースを使用した遡及的なコホート研究.
- 中には,心血管疾患や糖尿病を患っている66歳以上の396,077人の患者が含まれていました.
- ベースラインリスクは,3年間の死亡率予測指数を使用してモデル化されています.
主要な成果:
- 二次予防コーホートの19.1%のみがスタチンを服用した.
- スタチンの処方率は,発症時の心血管疾患リスクと予測死亡率の増加に伴い,減少した.
- 年齢とベースラインリスクは相互作用し,高齢の患者とより高いリスクはスタチンの使用量が低いことを示した.
結論:
- スタチンの処方箋は,心血管疾患のリスクと予測死亡率と逆に関連していました.
- スタチン薬の最大効果は,最もリスクの高い患者での使用不足のために実現されない可能性があります.
- スタチン治療の実施は,心血管疾患のリスクが最も高い個人を優先する必要があります.
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