Key result
On-pump beating heart endoscopic minimally invasive mitral valve replacement was successfully performed to treat acute mitral regurgitation secondary to single leaflet device attachment after MitraClip in a patient with prior CABG.
Case Report (n=1)
No
On-pump beating heart endoscopic MICS MVR is a feasible and effective option for patients with SLDA after MitraClip who have a history of CABG and low LVEF.
症例は50歳男性．冠動脈バイパス術（CABG）の既往があり，今回は重度の僧帽弁閉鎖不全症（MR）に対して経皮的僧帽弁接合不全修復術（MitraClip）を施行したが，術後single leaflet device attachment（SLDA）による急性心不全を起こしたため，心拍動下で完全胸腔鏡下MICS MVRを施行した．グラフト損傷のリスクがあるCABG術後の再手術の場合，癒着の剝離操作が少なくてすむ右小開胸アプローチのMICSは有用であり，低心機能の場合は心拍動下での手術が長時間の心停止によるリスクを回避できる有効な手段となり得る．
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Koga et al. (2022) conducted a case report in Acute heart failure secondary to single leaflet device attachment after MitraClip placement (n=1). On-pump beating heart endoscopic minimally invasive mitral valve replacement was evaluated. On-pump beating heart endoscopic minimally invasive mitral valve replacement was successfully performed to treat acute mitral regurgitation secondary to single leaflet device attachment after MitraClip in a patient with prior CABG.
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