Postoperative complications included low cardiac output in 3 cases , pericardial effusion in 1 and IIIo AB block in 1 case .
结果术后死亡1例，死亡率56%。术后并发低心排血量综合征3例，III度房室传导阻滞和心包积液各1例，经治疗均痊愈。
iiio