Exclusion of an AV Fistula Following Cardiac Catheterization
Summary of findings
Patient with CHD. Condition following cardiac catheterization. Procedure to exclude an arteriovenous fistula of the right inguinal region. Circular stenosis of the right superficial femoral artery in the MRA documentation. No evidence of a fistula.
Technical note on procedure
A repeated acquisition of sequences analogous with the pelvic and lower limb arteries occurred 120 s after contrast agent administration. The data sets of the first-pass were then subtracted and post-processed as MIP.
Description of images
[1 – 2] First-pass MRA with Gadofosveset: strong contrast enhancement of the abdominal aorta and pelvic arteries. In the overview and part-volume MIP, imaging of a high-grade stenosis of the right superficial femoral artery directly distal to the femoral bifurcation. No evidence of an AV fistula.
[3] The steady-state MRA of the pelvic veins was conducted to exclude a venous anomaly and thrombosis. It shows freely passable pelvic veins.
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