Video legends
Video 1: Transthoracic echocardiography parasternal long axis view showing thickened calcific bioprosthetic mitral valve and dilated right ventricle with depressed function
Video 2: Transthoracic echocardiography apical 4 chamber view showing severely dilated right ventricle with severe dysfunction compressing the left ventricle
Video 3: Transoesophageal echocardiography mid-oesophageal view showing degenerated and severely stenotic bioprosthetic mitral valve
Video 4: Transoesophageal echocardiography 3D surgical view showing degenerated bioprosthetic mitral valve with three fused leaflets
Video 5: Fluoroscopy showing 23-valve deployment
Video 6: Transoesophageal echocardiography 3D zoom showing well-opened valve
Video 7: Fluoroscopy showing device closure of unintentional right ventricle apical access
Video 8: Transthoracic echocardiography at 30-month follow-up showing reduced right ventricle and improved function