Association Between S-LAAO and Adverse Cardiovascular Events Among Patients Undergoing Coronary Artery Bypass Grafting.

Inclusion Criteria: 1. Subject undergoing coronary artery bypass grafting according to clinical indications; 2. Age is more than 18 and less than 80 years old; 3. Male and non pregnancy female; 4. Subject understands study requirements and agrees to sign an informed consent from prior to study procedures. Exclusion Criteria: 1. Pregnancy female; 2. Participate in other clinical trial in the last 1 month. 3. Subject doesn't agree to sign an informed consent from prior to study procedures. 4. Subject undergoing repeat CABG, concomitant valve or other cardiac surgery. 5. New York Heart Association (NYHA) Class IV heart failure.