Echocardiography displayed that inner-tunnel unobstructed, blood supply of coronary artery improved, eject fraction increased and thickness of endocardium returned to normal.

• 患者术后多次行超声心动图检查显示内隧道通畅，冠状动脉供血改善明显，心脏射血分数增加，心内膜厚度恢复正常。