Incidence of postoperative atrial fibrillation in patients undergoing on-pump and off-pump coronary artery bypass grafting.

Objective: To determine the incidence of postoperative atrial fibrillation in patients undergoing on-pump and off-pump coronary artery bypass grafting.

Methods: A retrospective study with analysis of 230 medical records between January 2011 and October 2013 was conducted.

Results: Fifty-six (24.