Department of Cardiovascular Surgery;
Wuhan 430022;
China;
Department of Thoracic Surgery;
Union Hospital;
Tongji Medical College;
Huazhong University of Science and Technology;
Wuhan 430022;
China;
Department of Cardiovaseular Surgery;
The Central Hospital of Wuhan;
Tongji Medical College;
Huazhong University of Science and Technology;
Wuhan 430014;
China;
off-pump coronary artery bypass; coronary artery bypass surgery; atrial fibrillation;