まとめ
トカインイド治療は,他の薬に反応しない患者の53%において,心室不律症を効果的に管理しました. 長期使用では軽微な副作用がみられ,継続的な外来心電図モニタリングで有効性が最も評価された.
科学分野:
- 心臓病学 心臓病学
- 薬理学 薬理学とは
- 臨床電気生理学 臨床電気生理学
背景:
- 静脈動脈不調は,重大な臨床的課題となっている.
- 従来の抗不律薬 (キニジン,プロカイナミド,プロプラノロール) は,しばしば無効または耐容性が悪い.
- リドカインの経口アナログであるトカインイドは,耐性不律症の管理のための潜在的な代替案を提供します.
研究 の 目的:
- 耐火性心室動脈不律症の患者におけるトカインイドの長期的な有効性と安全性を評価する.
- 抗不律性薬剤の長期的な有効性を評価するための最適な方法を決定する.
主な方法:
- 他の治療に耐性のある再発性または症状のある心室不律症を有する17人の患者からなるコホートは,トカインイドを受けた.
- トカインイドの投与量は8時間ごとに300mgから700mgの範囲で,血濃度がモニターされています.
- 効果は,不律症の減少,症状のコントロール,および長期のフォローアップによって評価されました.
主要な成果:
- 17人中9人 (53%) の患者でトカインイドによるリズム異常が制御された.
- 治療は8人の患者で失敗し,3人が治療中に死亡しました.
- 軽微な副作用は一般的によく耐えており,7人の患者が長期治療を続けました.
- 薬剤の有効性を評価するために,特に無症状の心律動乱症の治療に際して,外来心電図の記録は極めて重要でした.
結論:
- トカインイドは,耐性心室動脈不律症の患者のサブセットで,適度な有効性を示しています.
- トコアニドの長期療法は,軽微な副作用で安全かつ有効である可能性があります.
- シーケンス的な循環器用心電図モニタリングは,抗不律性薬剤の長期的な有効性を評価するための好ましい方法です.
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