Fish oil supplementation for primary prevention of atrial fibrillation after coronary artery bypass graft surgery: A randomized clinical trial.

Background: Atrial fibrillation (AF) after cardiac surgery is a common complication that may influence patients' early and long term outcomes and hospital costs. The purpose of this study was to assess the effect of fish oil on occurrence of AF following coronary artery bypass graft surgery (CABG).

Methods: This study was a single-center, randomized, double blinded, placebo-controlled clinical trial.