トリガー誘発性心房動の重症患者における抗凝固と血栓塞栓リスク - 系統的レビューとメタ解析
Jasper Koolwijk1, Mileen van de Kar2, Brittney A van der Woude3
1Department of Anesthesiology, Intensive Care and Pain Medicine, Catharina Hospital Eindhoven, Eindhoven, The Netherlands. jasper.koolwijk@catharinaziekenhuis.nl.
まとめ
心房細動の重症患者の抗凝固薬の使用は矛盾しています. 研究では,明確な利益や害は認められず,これらの高リスク患者の場合,日常的な使用も不使用も現在支持されていないことを示唆しています.
科学分野:
- クリティカル ケア 医療
- 心臓病科
- 薬理学について
背景:
- トリガー誘発性心房動 (TIAF) の重症患者に対する抗凝固薬の決定的な推奨は存在しない.
- この研究では,高リスク患者の抗凝固薬の処方における変動とその結果への影響が検討されています.
研究 の 目的:
- TIAFの重症患者における抗凝固療法と結果 (血栓塞栓症,出血,死亡率) の関連性を評価する.
- CHA2DS2-VAScスコアによって層分化された高リスクの個体における抗凝固薬の処方パターンを調べる.
主な方法:
- 血液凝固抑制,血栓塞栓症,出血,死亡率を報告する研究に関する体系的な文献検索.
- 抗凝固率とCHA2DS2-VAScスコアの相関分析
- 短期と長期の結果を比較するための観察研究のメタ分析.
主要な成果:
- 抗凝固薬の処方率は幅広く変化した (3~86%).
- 患者の50%以上はCHA2DS2- VAScスコアが≥2であった.
- メタ解析では,抗凝固薬による短期的血栓塞栓の減少や出血の増加は見られなかったが,短期的な死亡率は低かったが,長期的な血栓塞栓のリスクは高かった.
結論:
- TIAFを患っている重症患者の抗凝固薬の処方量は非常に異なっています.
- 現在の証拠は,通常の抗凝固療法や,体系的な省略を裏付けていません.
- この患者群の最適の抗凝固策を明らかにするために,さらなる研究が必要である.
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