A controlled study of efficacy and safety in CT colonography preparation with Mosapride Citrate Hydrate

Interventions: Polyethylene glycol lavage solution plus contrast medium (PEG-C) preparation before CT colonography Polyethylene glycol lavage solution plus contrast medium and Mosapride Citrate Hydrate (PEG-CM) preparation before CT colonography Primary outcome(s): PEG-C versus PEG-C + Mosapride Citrate Hydrate for bowel preparation before CT colonography to be asscessed by the amount of residual fluid. Study Design: Parallel Randomized