ビタミンKによるダイエット戦略による口腔抗凝固の改善:ランダム化制御試験
Michelli C de Assis1, Eneida R Rabelo, Christiane W Avila
1Cardiovascular Division of Hospital de Clínicas de Porto Alegre, Postgraduation Program in Cardiology and Cardiovascular Sciences, Federal University of Rio Grande do Sul, Porto Alegre, Brazil.
Circulation
|September 10, 2009
まとめ
食事中のビタミンKによる戦略は,ワルファリンを服用している患者の抗凝固安定性を改善しました. 一貫したビタミンK摂取に焦点を当てたこのアプローチは,より多くの患者が目標の国際正常化比率 (INR) レベルを安全に達成するのを助けました.
科学分野:
- 薬理学とセラピュティクス
- 心血管医学 心血管医学
- 栄養科学とは,栄養科学である.
背景:
- 食事によるビタミンKの摂取は,経口抗凝固療法の安定性を影響する重要な要因として認識されています.
- 抗凝固安定性に対するビタミンK相互作用の管理の臨床的適用性を評価する前向きな研究は限られている.
研究 の 目的:
- 従来の抗凝固管理戦略の有効性と安全性を,ビタミンKによるダイエット戦略と比較する.
- 治療的国際標準化比率 (INR) 目標の達成と維持に対する,毎週ビタミンK豊富な食品の摂取量を変更することの影響を評価する.
主な方法:
- 治療範囲を超えたINR値を持つ132人の外科医を対象としたランダム化制御試験.
- 2つのアーム:従来の管理 (抗凝固剤の処方調整) と,ビタミンKによる食事管理 (食事の摂取の変更)
- 主要エンドポイント:90日後に事前に指定されたINR目標を達成した患者の割合.
主要な成果:
- ビタミンKによる戦略は,90日後に目標INRを達成した患者の割合が高くなった (74%対58%,P=0.04).
- 両方の戦略は,短期 (15日) で同様のINR変動を示した.
- ダイエット介入グループは,軽度の出血や親腸内ビタミンKの必要性 (1.5%対11%,P=0.06) がわずかに少なくなった.
結論:
- 食事によるビタミンK摂取による管理戦略は実行可能であり,長期の経口抗凝固薬には安全である.
- このアプローチは,患者が目標のINRレベルを達成し,維持する可能性を増やす可能性があります.
- ダイエット管理は,抗凝固を最適化するための薬理学的調整の潜在的補助剤を提供します.
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