Dosing Iodinated Contrast Media According to Lean vs. Total Body Weight

Dosing Iodinated Contrast Media According to Lean vs. Total Body Weight at Abdominal CT: a North American Randomized Controlled Trial

The purpose of this study is to evaluate the effect of dosing iodinated contrast media according to a patient's total body weight vs. lean body weight. Participants will be randomized into 2 groups based on contrast dosing technique, and solid organ enhancement at uniphasic abdominal CT will be measured.

Inclusion Criteria:

• outpatients only
• patients scanned on modern Siemens scanners at our institution

Exclusion Criteria:

• self-reported history of chronic kidney, heart or liver disease
• allergy to iodinated contrast
• acute illness
• outside maximum threshold limit for weight-based contrast dosing
• pregnancy
• image degradation