Effect of Percutaneous Left Ventricular Unloading on Coronary Flow and Cardiac Coronary Coupling in Patients Undergoing High-Risk Percutaneous Coronary Intervention. (September 2021) - Briceno, Natalia; Ryan, Matthew; O'Gallagher, Kevin; Patterson, Tiffany; Rivolo, Simone; Lee, Jack; O'Kane, Peter; Redwood, Simon R.; Shah, Ajay M.; Perera, Divaka