Common femoral artery pseudoaneurysm
Two weeks post coronary angiogram. Ongoing groin pain.
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Anterosuperior to the right common femoral artery. Ying-yang sign is demonstrated.
More superiorly is a smaller haematoma without internal flow. Normal flow demonstrated within the common femoral artery pre and post pseudoaneurysm.
3 case question available
Pseudoaneurysms (a.k.a. false aneurysms) are the most common complication after angiography, occuring in ~1% of diagnostic and ~4% of interventional procedures.
Risk of rupture increased with size > 3 cm, symptomatic pseudoaneurysms, increasing size or presence of associated large haematoma.
Although pseudoaneurysms may spontaneously thrombose, common treatment options include:
- ultrasound-guided compression (success rate ~85%)
- ultrasound-guided thrombin injection (success rate ~95%)
- surgical repair