Intermountain Heart Institute at Intermountain Medical Center

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Overview of Aortic Dissection

An aortic dissection is a life-threatening event. In this condition, the walls of the aorta tear and separate, forming a "false" channel within the aorta. This usually occurs suddenly and is associated with severe, unrelenting pain in the chest, back, or belly.

Aortic dissection can cause inadequate blood supply to the heart, brain, or other major organs. The aorta is substantially weakened and can rupture, resulting in death.

A patient with aortic dissection requires immediate transfer to Intermountain Medical Center for rapid surgery and monitoring. We have the rapid, life-saving tools needed to save patients, including Life Flight transport, a highly-efficient emergency department, and a skilled surgical team.

This image shows the aorta, the largest artery in the body that carries blood from the heart to your brain and major organs.
This images shows an aortic dissection that is thoracic (in the chest) and ascending (just above the heart). You can see the layers of the aortic wall have separated and filled with blood.

Aortic dissection is associated with and may be caused by the following conditions:


Diagnostic Tests for Aortic Dissection

Doctors can often identify aortic dissections by symptoms of sudden severe pain in the chest, back or belly. The doctor will also order one of the imaging tests listed below to confirm the diagnosis:

  • CT (Computerized Tomography) Scan

    This test creates very detailed images of the heart and aorta. The CT scanner takes many pictures from different angles by rotating an X-ray tube around the body.

  • MRI (Magnetic Resonance Imaging)

    During an MRI, you lie in a chamber surrounded by a magnetic field. The magnetic force triggers signals from your body’s tissues that a computer then records. The computer uses these recordings to produce high-quality images of your heart and aorta.

  • Transesophageal Echocardiogram (TEE)

    This test is a type of ultrasound done through your throat. The doctor will numb your throat and guide a transducer (a small wand that emits sound waves) into your esophagus until it rests directly behind your heart. From this position, the transducer can obtain high-quality images of your heart and aorta from all sides.

  • Genetic Testing

    If aortic dissections run in your family, it is important to tell your doctor. There are several genetic disorders that can contribute to aortic disease, including Marfan syndrome and Loeys-Dietz Syndrome. Our Genetic Heart Disease Program can help you and your family members explore genetic testing, family planning, and treatment options.

Treatments for Aortic Dissection

When treating aortic dissection, there is no time to waste. After you are diagnosed, you will be rapidly treated with medications or life-saving surgery, depending on the location of your dissection.

  • Emergent Aortic Dissection Repair

    This surgery involves rapid open-chest repair. Doctors will perform this surgery when the aortic dissection involves the portion of the aorta just above the heart, called the ascending aorta.

  • Medications and Careful Monitoring

    When the dissection involves the descending aorta (in the belly) treatment can include intensive medical management, control of blood pressure, and possibly a procedure called stent-graft repair to seal off the torn portion of the aorta.

Services and Programs

Service and programs at Intermountain Heart Institute that help patients with aortic dissection.

  • Center for Aortic Disease

    The Center for Aortic Disease focuses on the care of patients with aortic aneurysm and dissection using the most advanced surgeries and procedures.

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