Role of epidural anesthesia and analgesia on postoperative patient outcome.
D015360:Analgesia, Epidural; D000767:Anesthesia, Epidural; D006348:Cardiac Surgical Procedures; D006801:Humans; D009203:Myocardial Infarction / Q000209:etiology*; D011183:Postoperative Complications / Q000209:etiology*