皮経対外科リバスカライゼーションは,不全性ミトラルリグルジテーションの患者で
Duk-Hyun Kang1, Byung Joo Sun, Dae-Hee Kim
1Division of Cardiology, Asan Medical Center, College of Medicine, University of Ulsan, 388-1, Poongnap-dong, Songpa-ku, Seoul, Korea 138-736. dhkang@amc.seoul.kr
Circulation
|September 14, 2011
まとめ
手術による再血管化は,特にミトラアヌロプラスティによって,皮経冠動脈干渉 (PCI) と比較して,不全性ミトラ回 (IMR) の長期無事生存率が高くなります. これは,手術がIMR患者にとって好ましい再血管化戦略であることを示唆しています.
科学分野:
- 心臓病学 心臓病学
- 心臓外科手術について
- 介入性心臓病学 介入性心臓病学
背景:
- 発血性ミトラル反発 (IMR) の管理は,依然として臨床的な課題です.
- IMRの最適な再血管化戦略について議論されています.
- 皮膚経冠動脈干渉 (PCI) と外科的再血管化は比較されています.
研究 の 目的:
- 重要なIMRを有する患者のPCIと外科再血管化の長期的なアウトカムを比較する.
- 外科手術中に併用したミトラアヌロプラスティの影響を評価する.
主な方法:
- 1996年から2008年までの185人のIMR患者の遡及的分析.
- 患者はPCI (n=66) または冠動脈バイパス移植手術 (OPグループ,n=119) を受けた.
- 傾向スコアマッチングは,アウトカムを比較するために使用され,追跡期間の中央値は54ヶ月でした.
主要な成果:
- PCIと外科手術群の生存率や心疾患による死亡率に有意な差はありません.
- 手術による再血管化は,著しく高いイベントフリー生存率を示した.
- 傾向が一致したペアでは,手術による再血管化は心臓発作のリスクを有意に低下させた (HR,0.499).
- 外科手術中に追加されたミトラアヌロプラスティは,イベントフリー生存率をさらに改善しました.
結論:
- 手術による再血管化は,IPRのPCIと比較して,より優れた長期的な無事生存率と関連しています.
- 手術を受ける重要なIMRを有する患者では,同時にミトラアヌロプラスティを考慮する必要があります.
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