TVD 2017

MRI contrast agents

• MRI contrast agents shorten the relaxation times

• The most commonly used intravenous contrast agents are based on chelates of gadolinium

• Anaphylactoid reactions are rare, < 0.03%

• Risk of a rare but serious illness, nephrogenic systemic fibrosis, in patients with severe renal failure requiring dialysis

• Hepatobiliary contrast agent (gadoxetate) with dual excretion path