冠動脈血管新生手術前に開始されたクマリンの急性合併症と長期追跡に対する効果:ランダム化試験
J M ten Berg1, J C Kelder, M J Suttorp
1Department of Interventional Cardiology, St Antonius Hospital, Nieuwegein, The Netherlands. jurtenberg@wxs.nl
Circulation
|July 25, 2000
まとめ
経皮冠動脈介入 (PCI) 前にアスピリンにキュマリンを加え,6ヶ月間継続すると,急性および遅期の合併症が著しく減少しました. しかし,このアプローチは,出血事件のわずかな増加と関連していました.
科学分野:
- 心臓病学 心臓病学
- 介入性心臓病学 介入性心臓病学
- 薬理学 薬理学とは
背景:
- 冠動脈血管新生手術は,血栓性表面を作り,壁血栓症,急性合併症,およびレステノシスにつながる可能性があります.
- これらの血管形成術後の合併症を予防するクマリンの有効性は不明である.
- この研究では,処置前のクマリン投与の臨床的影響を調査した.
研究 の 目的:
- 冠動脈血管新生手術の前に開始され,6ヶ月間継続されたクマリンの臨床効果を評価するために.
- 経皮冠動脈介入 (PCI) の後の急性および遅期の合併症の予防を評価する.
主な方法:
- 冠動脈血管新生手術を受ける患者1058人を対象としたオープンラベルのランダム化試験です.
- 患者はアスピリンとキュマリン,またはアスピリンのみを投与するように割り当てられました.
- フォローアップには,複合エンドポイント,出血,偽動脈瘤のモニタリングが含まれていました.
主要な成果:
- アスピリンとクマリンを併用したグループは,死亡,心筋梗塞,標的損傷再血管化,脳卒中の複合エンドポイントを30日 (3.4%対6.4%) と1年 (14.3%対20.3%) で有意に減少させた.
- ステントを入れている患者と入れていない患者の両方において,利益が観察されました.
- 入院中の重度の出血および偽動脈瘤の発生率は増加しました (3.2%対1.0%).
結論:
- PCIの前に開始し,6ヶ月間継続したアスピリンと併用されたクマリンは,早期および遅い合併症を予防する上でアスピリン単独よりも効果的です.
- 観察された利点には,出血合併症の統計的に有意だがわずかな増加が伴います.
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