関連する実験動画
β-ブロッカーの使用と,冠動脈疾患の有無を問わず,安定した室外患者の臨床結果
Sripal Bangalore1, Gabriel Steg, Prakash Deedwania
1Cardiovascular Clinical Research Center, New York University School of Medicine, 550 First Ave, New York, NY 10016, USA. sripalbangalore@gmail.com
JAMA
|October 4, 2012
まとめ
ベータブロッカーの使用は,近年の心筋梗塞 (MI) を除いて,冠動脈疾患 (CAD) またはリスク要因を有する患者の心血管疾患を有意に減少させなかった. この研究は,標準的なMI後のケアを超えてその利点に疑問を投げかけています.
科学分野:
- 心臓病学 心臓病学
- 薬理学 薬理学とは
- エピデミオロジー エピデミオロジー
背景:
- ベータブロッカーは,心筋梗塞 (MI) の後の標準的なケアです.
- MIのない冠動脈疾患 (CAD) の患者,リモートMI歴,またはCADリスク因子のみの患者におけるそれらの効果は不明である.
研究 の 目的:
- ベータブロッカーの使用と心血管疾患の関連性を評価するために,以前のMI,MIなしのCAD,またはCADリスク要因のみを有する安定した患者で.
主な方法:
- REACH登録の44,708人の患者を対象とした長期観察研究.
- 患者は3つのコホートに分けられ,前回の心筋梗塞,心筋梗塞のないCAD,およびCADリスク因子のみに分けられた.
- プライマリ分析に使用された傾向スコアマッチングで,フォローアップ期間の中央値は44ヶ月でした.
主要な成果:
- ベータブロッカーの使用による複合性心血管疾患 (死亡,非致死性心筋梗塞,脳卒中) の有意な差異は,すべてのコホートにおいて認められなかった.
- ベータブロッカーの使用でMIのコホートのないCADで観察された二次的なアウトカム (アテロトロンボティックイベント / 再循環) の高い割合.
- CADリスク因子で観察された原発的および二次的なイベントの割合の増加は,ベータブロッカーの使用とコホートのみです.
- ベータブロッカーの使用は,最近のMI (≤1年) の患者で二次的なアウトカムの発生率が低いと関連していました.
結論:
- ベータブロッカーの使用は,CADリスク因子,以前のMI,またはMIのないCADを有する患者の複合性心血管イベントのリスクの低下と関連しませんでした.
- 発見は,特定の安定したCAD患者集団におけるβ-ブロッカーの指示の潜在的な再評価を示唆しています.
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