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How do doctors detect aortic aneurysms?

Dr. Mark J. Russo, MD
Cardiothoracic Surgeon

Aortic disease is often insidious. Most people with aortic aneurysms experience no symptoms, unless they are extremely large or an aortic dissection occurs. For most people, their aortic condition is discovered incidentally while being tested for other reasons.

According to the American Heart Association:

  • Aortic imaging is recommended for first-degree (e.g., mother, father, sister, brother, son, or daughter) relatives of patients with thoracic aortic aneurysm and/or dissection to identify those with asymptomatic disease; 15 to 25 percent of people with aneurysms have a 1st degree relative with history of aortic disease.
  • If one or more first-degree relatives of a patient with known thoracic aortic aneurysm and/or dissection are found to have thoracic aortic dilatation, aneurysm, and/or dissection, then imaging of second-degree relatives (e.g. aunt, uncle, or cousin) is reasonable.
  • If one or more first-degree relatives of a patient with known thoracic aortic aneurysm and/or dissection are found to have thoracic aortic dilatation, aneurysm, or dissection, then referral to a geneticist may be considered.
  • If the mutant gene (FBN1, TGFBR1, TGFBR2, COL3A1, ACTA2, MYH11) associated with aortic aneurysm and/or dissection is identified in a patient, first-degree relatives should undergo counseling and testing. Only the relatives with the genetic mutation should undergo aortic imaging.

Aneurysms can be detected from any number of imaging tests, such as ultrasound, computerized tomography (CT) scan, magnetic resonance imaging (MRI), angiogram, and even x-ray if very large.

Aortic aneurysms are detected by regular screening, especially in men 65 to 75 years of age and who have a history of smoking. An ultrasound is often used for diagnosis, followed by CT scan if abnormal results are found on the ultrasound.

Dr. David W. Drucker, MD
Cardiologist (Heart Specialist)

There are really two ways that doctors detect abdominal aortic aneurysms. The majority are found incidentally. When a patient has a different medical complaint, like symptoms that are consistent with kidney stones, the doctor will look to make a definitive diagnosis and the patient will get sent in for an ultrasound or a CAT scan. The CAT scan could show kidney stones, but might also reveal an asymptomatic abdominal aortic aneurysm. 70 percent or more of Abdominal Aortic Aneurysms are detected in this way. Determining with your doctor if you are at risk for aneurysms is so important, because you want to be proactive if you're at risk.

A physical examination can also help physicians detect aortic aneurysms. When a patient comes to the doctor’s office the physician will take their history. Is the patient a current or former smoker? Does the patient have a family history of aneurysms? The doctor will examine the patient’s abdomen and may find a palpable mass. The doctor can then order the appropriate test, like an ultrasound, and that will confirm or exclude the diagnosis of an abdominal aortic aneurysm.

Trinity Health is a Catholic health care organization that acts in accordance with the Catholic tradition and does not condone or support all practices covered in this site. In case of emergency call 911. This site is educational and not a substitute for professional medical advice, always seek the advice of a qualified healthcare provider.

Continue Learning about Aneurysms

Aneurysms

Aneurysms form balloons in weakened arteries of our bodies, potentially causing life-threatening problems such as a stroke. Although aneurysms can form in any weakened artery, they commonly occur in the arteries of the brain and i...

n the aorta, the central artery that extends from your heart through the center of your abdomen and chest. Certain medical conditions, such as high blood pressure, can weaken the arteries, which deliver oxygenated blood from our heart to the rest of our bodies. The pressure of blood traveling through the arteries can lead to this balloon-like bulge. You can have an aneurysm for years without symptoms or problems. Others can have an aneurysm that pops, which can lead to a stroke if bleeding occurs in the brain. Ruptured aneurysms must be treated quickly, usually within minutes, or it can become deadly: about 50% of all ruptured aneurysms are fatal.
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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.