Adult, Age Factors, Aged, Aged, 80 and over, Biomarkers, Biopsy, Cardiopulmonary Bypass, Coronary Artery Bypass, Extracorporeal Circulation, Feasibility Studies, Female, HSP70 Heat-Shock Proteins, Heart Arrest, Induced, Humans, Inflammation Mediators, Interleukin-10, Interleukin-6, Male, Middle Aged, Myocardial Infarction, Myocardial Ischemia, Pancreatic Elastase, RNA, Messenger, Risk Factors, Stroke Volume, Troponin I, Ventricular Dysfunction, Left