Safety Study of GE-145 320 mg I/mL Injection vs. Iopamidol 370 mg I/mL in Elderly Subjects Undergoing Coronary Procedure

To evaluate cardio-renal and overall safety profile of GE 145 320 mg I/ml Injection when compared to iopamidol 370 mg I/mL. The study will focus on elderly subjects with either chronic renal insufficiency, or diabetes mellitus (DM) requiring drug therapy, or congestive heart failure (CHF) NYHA Class III or greater, who are referred for a coronary catheterization procedure with or without PCI.