Preoperative 24-hour urine amount as an independent predictor of renal outcome in poor cardiac function patients after coronary artery bypass grafting.

Purpose: To investigate the incidence and the main pre-operative risk factors for the development of acute renal failure (ARF) in triple vessels coronary artery bypass grafting (CABG) with special reference to a subset of patients with poor cardiac function (ejection fraction <50%).

Patients: The study included the patients (n = 66) requiring CABG from January 1, 1995 to January 1, 2002 in a medical center.

Results: A high percentage (84.