心筋再血管化試験

Marc Ruel¹, Volkmar Falk², Michael E Farkouh³

¹University of Ottawa Heart Institute, University of Ottawa, Canada (M.R., D.G.).

Circulation

|December 20, 2018

まとめ

最近の臨床試験では,PCIと冠動脈バイパス移植 (CABG) を比較し,PCIの利点を過大評価している. 証拠の慎重な解釈と改善された試験設計は,将来の研究のために推奨されます.

科学分野:

心血管医学
介入心臓科
心臓外科

背景:

経皮冠動脈干渉 (PCI) と冠動脈バイパス移植 (CABG) は,左主動脈および多血管冠動脈疾患の主要な再血管化戦略です.
最近の研究では,PCIとCABGの有効性と安全性を比較し,複雑で時には議論の余地のある結果が得られました.

研究の目的:

PCIとCABGを比較した最近の心筋再血管化試験の証拠を批判的に検討する.
試験設計,患者選択,および結果の解釈に影響を与える可能性のあるバイアスを分析する.
現在の証拠を慎重に解釈し,将来の臨床試験の設計を推奨する.

主な方法:

主要なランダム化対照試験から得られた公表されたデータの体系的なレビューと批判的評価.
臨床試験の方法論の分析,患者の含有/排除の基準と結果の定義
特定の患者のサブグループにおけるPCIとCABGの比較効果を評価するための証拠の統合.

主要な成果:

特定の患者グループ (例えば,非糖尿病,低解剖学的複雑性) のPCIの主張された非劣等性は,試験の設計によって影響を受けることがあります.
PCIとエンドポイントの最適化を好む患者の選択は,CABGよりもPCIを好む結果に歪んだ可能性があります.
特定の複雑な患者集団において,CABGは依然として優れた長期的な結果をもたらす可能性があるという証拠があります.

結論:

PCIとCABGを比較する現在の証拠を慎重に解釈することは正当である.
将来の試験では堅実な設計,偏見のない患者選択,比較効果を正確に反映するための適切なエンドポイントを優先すべきである.
臨床試験の設計と実施における協力的な取り組みは,心血管介入の知識の進歩に不可欠です.

キーワード:

臨床試験のテーマとして冠動脈疾患冠動脈狭窄症経皮冠動脈介入手術の手続き,手術治療の結果

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