Bowel Preparation Regimen for Computed Tomography Colonography

PURPOSE: This study was designed to determine whether a reduction in oral contrast dose and a change in timing of administration will result in less residual material in the colonic lumen. METHOD: We retrospectively assessed, in a blinded fashion, the amount and nature of residual material in the colon in 40 patients who received computed tomography colonography. Half of the cohort received the standard bowel-preparation regimen, whereas a sex- …