Prevention of Left Ventricular Outflow Tract Obstruction During High-Risk Transcatheter Mitral Valve Replacement.
BACKGROUND Transcatheter mitral valve replacement can carry a left ventricular outflow tract (LVOT) obstruction in patients with small neo-LVOT. CASE SUMMARY A 74-year-old woman with a degenerated 27-mm surgical mitral bioprosthesis presented with severe symptomatic mitral stenosis and biventricular failure. She was...