心臓キャセテリゼーション中にプロプラノロールとディアゼパムのプラズマフリー薬物濃度の上昇
Circulation
|November 1, 1980
まとめ
ヘパリンは,心臓キャセテリゼーション中にプロプラノロールとディアゼパムのレベルを大幅に上昇させます. これは,患者の鎮静や呼吸器系うつなどの薬剤効果の強化につながる可能性があります.
科学分野:
- 薬理学 薬理学とは
- 心血管医学 心血管医学
- 臨床化学 臨床化学について
背景:
- 心臓キャセテリゼーションの患者はしばしばプロプロノロールとディアゼパムを使用します.
- 薬剤の有効性は,無結合の血濃度に依存する.
- タンパク質結合に対するヘパリンの影響は,調査が必要である.
研究 の 目的:
- 自由プロプラノロールとディアゼパム濃度に対するヘパリンの影響を評価する.
- これらの変化の潜在的な臨床的影響を理解する.
主な方法:
- 心臓キャセテリゼーションを受けた6人の患者を研究した.
- ヘパリニゼーション前後のプロプラノロールとディアゼパムの自由分数とレベルを測定.
- 自由脂肪酸のレベルをモニターする.
主要な成果:
- ヘパリンは,ディアゼパムの自由分子を4倍以上 (1.8%から7.9%) 増加させ,自由レベル (2.0から8.4ng/ml) を増加させた.
- ヘパリンはプロプラノロールの自由分子を増加させました (7.4%から12.5%).
- 自由脂肪酸の増加は,自由薬物濃度の増加と相関する.
結論:
- 心臓キャセテリゼーション中のヘパリニゼーションは,プロプラノロールとディアゼパムのタンパク質結合を著しく変化させます.
- 自由薬の濃度の上昇は,鎮静と呼吸抑制を含む薬理学的効果を強める可能性があります.
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