ACE and congestive heart failure: CHF: congestive heart failure; MI: myocardial infarction; DM: diabetes mellitus; BB: beta blocker; ACE: angiotensin converting enzyme; ARB: angiotensin receptor blocker; BSA: body surface area; PP: pulse pressure; CPB: cardiopulmonary bypass; CS-RRA: calcium score in the right renal artery; CS-LRA: calcium score in the left renal artery; CS-Aorta: calcium score in the abdominal aorta; DO2I: mean oxygen delivery index during CPB