Renal Insufficiency Following Contrast Media Administration Trial III

Patients in the RenalGuard group will be treated by hydration with normal saline controlled by the RenalGuard system™® (PLC Medical Systems, Inc. Franklin, MA, USA). The RenalGuard system includes a) a closed loop fluid management system; b) a high volume fluid pump, c) a high accuracy dual weight measuring system; d) motion detection artifact reduction; e) a single use intravenous set and urine collection system that interfaces with a standard Foley catheter; f) real-time display of urine and replacement fluid volume; g) a timely alerts to drain the urine bag or to replace the hydration fluid bag; f) and safety features such as automatic air and occlusion detection.