Hemorrhage after coronary artery bypass graft procedures.

Objectives: To identify risk factors for excessive bleeding after coronary artery bypass graft (CABG) procedures and to quantify the outcomes related to this complication.

Design: We conducted a case-control study to identify risk factors for hemorrhage following CABG surgery and a historical cohort study to quantify outcomes of hemorrhage.

Setting: The cardiothoracic surgery service of a university hospital.