Impella 5.5 for Preoperative Optimization in the Setting of Ruptured Papillary Muscle.

Cardiogenic shock in the setting of a ruptured papillary muscle can be extremely challenging to manage. We report two cases of successful and safe hemodynamic optimization with a modern axial-flow temporary left ventricular assist device, the Impella 5.5, prior to mitral valve replacement for this indication.