How to fix pseudoaneurysm?

How Is a Pseudoaneurysm Treated?

When a pseudoaneurysm develops—often at the site of a previous artery puncture, like after a cardiac catheterization—timely treatment is crucial to prevent complications such as rupture or bleeding. The femoral artery is a common location, especially following invasive procedures, and treatment typically depends on the size, stability, and symptoms.

One of the most common and minimally invasive approaches is ultrasound-guided thrombin injection, usually performed by an interventional radiologist. This procedure involves injecting a clotting agent directly into the pseudoaneurysm sac, prompting rapid blood clot formation and sealing off the false vessel. It's quick, effective, and often done on an outpatient basis.

In some cases, particularly when the pseudoaneurysm is large, expanding, or located in a visceral artery—such as in the liver or spleen—more advanced techniques may be needed. Vascular surgeons or interventional radiologists may opt for endovascular repair, which uses small catheters threaded through the arteries to place stents or coils and divert blood flow away from the weakened area.

Ultimately, treatment choice depends on the patient’s condition, the pseudoaneurysm’s characteristics, and the expertise available at the medical center. While small, stable pseudoaneurysms may be monitored, larger or symptomatic ones require intervention. With modern techniques, most patients recover well and avoid open surgery.

Early detection through imaging—often ultrasound—and prompt referral to a specialist remain key to successful outcomes.