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クマリン抗凝固薬に関する研究. ウォルファリン治療の開始は,負荷用量なしで行う必要があります
1Department of Medicine, Santa Clara Valley Medical Center, Institute for Medical Research of Santa Clara County, San Jose.
Circulation
|July 1, 1968
まとめ
抗凝固剤療法では,ワーファリンの充填用量を避けることができます. ウォルファリンの毎日の投与量は,特に敏感な患者では,出血のリスクが低下した治療範囲を達成します.
科学分野:
- 薬理学 薬理学とは
- クリニカル・メディシン 臨床医学
- トロンボシス研究研究
背景:
- ウォルファリンは一般的な抗凝固剤です.
- 充填用量は,治療的な抗凝固作用を迅速に達成するために伝統的に使用されています.
- 負荷用量は,特に脆弱な患者集団において,出血のリスクを増やす可能性があります.
研究 の 目的:
- ワルファリンの代替用量戦略の有効性と安全性を評価する.
- 充填用量対日用量で治療的抗凝固薬に到達する時間を比較するために.
- 異なるワルファリン療法のビタミンK依存の凝固因子に対する影響を評価する.
主な方法:
- 30人の健康な被験者は,ワルファリン (1.5 mg/kg) の単一の充填用量を受けた.
- 別々の実験では,15人の被験者が1日15mgまたは10mgの投与を受けた.
- プロトロンビン複合体の活動と凝固因子レベル (II,VII,IX,X) をモニターした.
主要な成果:
- 治療範囲 (プロトロンビン複合体活性<35%) は,負荷用量で1.1日,15 mg/日で2.7日,および10 mg/日で5.2日後に達成されました.
- すべての方法において,血ワルファリンが2mg/Lに達したときに治療レベルが達成されました.
- ローディング投与と15mg/日投与の間で,最初の48時間における因子VIIを除いて,凝固因子減少における有意な差異は観察されなかった.
結論:
- 毎日ウォルファリンを投与すると,治療的な抗凝固作用が効果的に誘発されます.
- 増量投与を避けることは,出血合併症のリスクを軽減する可能性があります.
- このアプローチは,抗凝固剤の治療を開始するための合理的な基礎を提供し,特に高リスクの患者に役立ちます.
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