Acute Kidney Injury and Postoperative Atrial Fibrillation In Patients Undergoing Cardiac Surgery.

Objective: To test the hypothesis that acute kidney injury (AKI) in the postoperative period could be an additional risk factor for the development of atrial fibrillation (AF) and to examine the risk factors for postoperative AF in the authors' cohort of patients.

Design: A retrospective observational study.

Setting: Large regional cardiothoracic surgical center in the UK.