Clinical Performance of a Non-contrast MR Angiography Protocol in the Pre-Transplant Evaluation of the Liver Vasculature
Jeremy Collins1, Eric Keller2, Edouard Semaan3, Riad Salem2, Maria Carr2, Michael Markl2, and James C Carr2
1Radiology, Northwestern University, Chicago, IL, United States, 2Northwestern University, Chicago, IL, United States, 3Chicago, IL, United States
Assessment of the hepatic
vasculature is critical as part of the pre-liver transplant evaluation. The
prevalence of renal insufficiency and concerns regarding gadolinium
administration in this cohort has created a need for a non-contrast alternative
for vascular assessment. We evaluated the clinical performance of a
non-contrast MRA (NCMRA) protocol at 3T in the assessment of the hepatic
vasculature in patients with cirrhosis, with contrast-enhanced MRA (CEMRA) as
the reference standard. The NCMRA protocol was diagnostic in 94% of subjects, identifying
all relevant variant anatomy. Clinically available NCMRA techniques when
combined into a comprehensive protocol enable assessment of the hepatic
vasculature.
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