Quality CareFind out why Mayo Clinic is the right place for your health care. Make an appointment.
Meet the StaffFind a directory of doctors and departments at all Mayo Clinic campuses. Visit now.
Research and Clinical TrialsSee how Mayo Clinic research and clinical trials advance the science of medicine and improve patient care. Explore now.
Visit Our SchoolsEducators at Mayo Clinic train tomorrow’s leaders to deliver compassionate, high-value, safe patient care. Choose a degree.
Professional ServicesExplore Mayo Clinic's many resources and see jobs available for medical professionals. Get updates.
Philanthropy at Mayo ClinicYour support accelerates powerful innovations in patient care, research and education. Give today.
Mayo Clinic offers appointments in Arizona, Florida and Minnesota and at Mayo Clinic Health System locations.
Subscribe to Housecall
Our general interest e-newsletter keeps you up to date on a wide variety of health topics.
A pseudoaneurysm, or pseudoaneurysm of the vessels, occurs when a blood vessel wall is injured and the leaking blood collects in the surrounding tissue. It is sometimes called a false aneurysm. In a true aneurysm, the artery or vessel weakens and bulges, sometimes forming a blood-filled sac.
A pseudoaneurysm may be a complication of cardiac catheterization, a procedure in which a thin, flexible tube (catheter) is inserted into a groin artery (femoral artery) and threaded through blood vessels up to your heart. Cardiac catheterization is generally used to diagnose and treat heart disease. A pseudoaneurysm can result from this procedure if blood leaks and gathers outside the artery where the catheter was inserted.
Pseudoaneurysms can also occur in other arteries throughout the body as a result of:
A small pseudoaneurysm of a femoral artery due to cardiac catheterization may go undetected and not cause any complications. You may not notice it until days or weeks after the procedure. Your doctor may recommend a watchful-waiting approach and an occasional duplex ultrasound test to see if it goes away on its own.
If the pseudoaneurysm is wider than 2 centimeters, or if you take certain medications such as blood thinners, your doctor will likely recommend one of these treatments:
Francisco Lopez-Jimenez, M.D.
Mayo Clinic does not endorse companies or products. Advertising revenue supports our not-for-profit mission.
Check out these best-sellers and special offers on books and newsletters from Mayo Clinic.
Mayo Clinic is a nonprofit organization and proceeds from Web advertising help support our mission. Mayo Clinic does not endorse any of the third party products and services advertised.
A single copy of these materials may be reprinted for noncommercial personal use only. "Mayo," "Mayo Clinic," "MayoClinic.org," "Mayo Clinic Healthy Living," and the triple-shield Mayo Clinic logo are trademarks of Mayo Foundation for Medical Education and Research.