心血管の保護と血圧の低下:メタ解析
J A Staessen1, J G Wang, L Thijs
1Studiecoördinatiecentrum, Hypertensie en Cardiovasculaire Revalidatie Eenheid, Departement Moleculair en Cardiovasculair Onderzoek, Katholieke Universiteit Leuven, Leuven, Belgium. jan.staessen@med.kuleuven.ac.be
Lancet (London, England)
|October 31, 2001
まとめ
抗高血圧薬は,主に血圧の低下を通じて,同様の心血管保護を提供します. カルシウムチャネルブロッカーは,脳卒中予防の追加的な利点を提供することができます. すべての薬剤は,長期的に比較可能な有効性と安全性を示しています.
科学分野:
- 心臓病学 心臓病学
- 薬理学 薬理学とは
- クリニック・トライアル 臨床試験
背景:
- 抗高血圧薬が,血圧を下げる効果を超えて提供する心血管の保護の範囲は不明である.
- 薬剤の特性や静脈圧の低下が高血圧患者の心血管疾患を誘発するかどうかを調べることは極めて重要です.
研究 の 目的:
- 抗高血圧薬の薬理学的特性や静脈圧の低下が心血管疾患に起因するかどうかを判断する.
- 抗高血圧薬の異なるクラスの心臓血管保護を比較する.
主な方法:
- 62,605人の高血圧患者を含む9つのランダム化試験のメタ解析が行われました.
- プールのオッズ比は,実験対基準治療のプールのオッズ比を計算した.
- 27件の試験 (136,124人の患者) のメタレグレッション分析では,血圧低下とアウトカムとの関係を調べました.
主要な成果:
- カルシウムチャネル阻害剤とアニオテンシン変換酵素阻害剤は,古い薬 (利尿薬,ベータブロック剤) と比較して,全体的に同様の心血管保護を示しました.
- カルシウムチャネルブロッカーは,脳卒中リスクのより大きな減少 (13.5%) と心筋梗塞のリスクのより少ない減少 (19.2%) と関連していました.
- メタ・リグレッションは,達成された収縮圧差が,試験の間の観測されたオッズ比率を説明することを示した.
結論:
- 血圧のコントロールは,心血管の健康にとって極めて重要です.
- すべての抗高血圧薬のクラスは,同様の長期的な有効性と安全性プロファイルを示しています.
- カルシウムチャネルブロッカーは,脳卒中予防に特異的な利点をもたらす可能性があるが,変換酵素阻害剤とアルファブロッカーは,血圧を下げる以上の効果を示さなかった.
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