Acute renal failure after coronary artery bypass surgery with extracorporeal circulation -- incidence, risk factors, and mortality.

Objective: To identify the incidence, risk factors, and mortality of acute renal failure (ARF) in patients undergoing myocardial coronary artery bypass surgery with extracorporeal circulation.

Methods: All patients undergoing myocardial coronary artery bypass surgery were prospectively studied, and their clinical and laboratory variables were assessed using uni- and multivariate analysis (logistic regression).

Results: Acute renal failure occurred in 16.