Safety and Efficacy of Cardiac Shockwave Therapy in Patients Undergoing Coronary Artery Bypass Grafting

Inclusion criteria * Male or female patients between 21 and 90 years of age undergoing primary coronary artery bypass grafting * Presentation with reduced left ventricular function, defined as LVEF ≤ 40% measured by cardiac MRI * Presentation with regional left ventricular wall motion abnormalities * Written informed consent from the patient for participation in the study Exclusion criteria * Significant concomitant aortic valve disease requiring surgical treatment (other than significant aortic valve disease not detected in preoperative cardiac ultrasound but detected during surgery) * Serious radiographic contrast allergy * Patient in cardiogenic shock or presenting with acute myocardial infarction (STEMI or NSTEMI) * Patient with a contraindication for cardiac MRI * History of significant ventricular arrhythmia, other than MI-associated arrhythmia * Comorbidity reducing life expectancy to less than one year * Presence of a ventricular thrombus * Presence of a cardiac tumour * Pregnancy