Abdominal Aortic Aneurysm | Norton Healthcare Louisville, Ky.

Abdominal Aortic Aneurysm

What Is an Abdominal Aortic Aneurysm?

An aneurysm occurs when part of an artery wall weakens, allowing it to balloon out or widen. The cause of an aneurysm is sometimes unknown. Some people are born with them. They also can be hereditary. Aortic disease or an injury also may cause an aneurysm.

Abdominal aortic aneurysm (AAA) occurs in the segment near or below the renal arteries. The concern for an aortic aneurysm is that as it enlarges, there is a risk of rupture, which is life-threatening. The biggest factors in this risk are the size and characteristics of the AAA. Some aortic aneurysms can remain small, requiring only observation to check the size.

The Norton Heart & Vascular Institute vascular surgeons are fellowship trained and board certified. They are experienced in the latest minimally invasive techniques and traditional surgery to repair an abdominal aortic aneurysm.  They work collaboratively with providers throughout Norton Healthcare to deliver sophisticated treatment customized to your condition and needs.

AAA Screening

Because aortic aneurysms often show no symptoms prior to a rupture, a physical exam of the abdomen, ultrasound imaging or other screening tool can help diagnose this silent problem.

The U.S. Preventive Services Task Force recommends that men, ages 65 to 75 who smoke currently or smoked at some point in their life, get an ultrasound abdominal aortic aneurysm screening even if they have no symptoms. The recommendations for women are still being evaluated, and ultrasound screenings are not currently recommended. Other considerations for screening include a family history of aneurysms and other medical factors.

The ultrasound test is similar to that used to capture images of a fetus in its mother’s uterus and is noninvasive.

Abdominal Aortic Aneurysm Symptoms

Abdominal aortic aneurysms most often grow slowly without any noticeable symptoms. If you notice any of the following symptoms, contact your health care provider. (The symptoms below are not specific and may be caused by other issues.)

  • General belly pain or discomfort, which may come and go or be constant.
  • Feeling a heartbeat or pulse in your stomach or near your bellybutton.
  • Pain in the chest, abdomen, lower back or flank. The pain may be deep, aching, gnawing or throbbing. It may last for hours or days.

A ruptured abdominal aortic aneurysm requires immediate emergency treatment. Signs include:

  • Sudden, severe pain in the stomach or lower back
  • Dizziness
  • Sweaty, pale skin
  • Rapid heartbeat
  • Shortness of breath
  • Fainting

Abdominal Aortic Aneurysm Causes

Many lifestyle habits and health conditions can increase the risk of developing an aortic aneurysm.

  • Hardening of the arteries (atherosclerosis). This occurs when fat and other substances build up on the lining of the aorta and other vessels.
  • High blood pressure. High blood pressure can damage and weaken the aortic wall.
  • Blood vessel diseases. These processes can cause inflammation and damage to the aortic wall.
  • Infection in the aorta. Rarely, a bacterial or fungal infection might weaken the aortic wall.
  • Trauma. Certain traumas, like a car accident, can directly injure the aortic wall.

Abdominal Aortic Aneurysm Risk Factors

Risk factors for development of abdominal aortic aneurysm include:

  • Tobacco use. Smoking is the strongest risk factor. It can weaken the aortic walls, increasing the risk not only of developing an aortic aneurysm, but of rupture. The longer and more you smoke or chew tobacco, the greater the chances of developing an aortic aneurysm.
  • Age. These aneurysms occur most often in people ages 65 and older.
  • Being male. Men develop abdominal aortic aneurysms much more often than women do.
  • Being white. People who are white are at higher risk of abdominal aortic aneurysms.
  • Family history. Having a family history of abdominal aortic aneurysms increases your risk of having the condition.
  • Other aneurysms. Having an aneurysm in another large blood vessel, such as the artery behind the knee or the aorta in the chest, might increase your risk of an abdominal aortic aneurysm.

Abdominal Aortic Aneurysm Treatment

An abdominal aortic aneurysm of less than 5 centimeters  (about 2 inches), usually can be monitored and may not require treatment unless it gets larger.

You also will be treated for medical conditions, such as high blood pressure, that could worsen your aneurysm. Your doctor may suggest lifestyle adjustments such as stopping smoking or modifying your diet.

You will need regular imaging tests to check on the size of your aneurysm. This can be performed by abdominal ultrasound or CT scan. Regular clinic visits and follow-up exams are determined by the size of the aneurysm. Treatment options include:

Heart and Vascular Care for the Whole Person

Norton Heart & Vascular Institute offers patient resources to support you and your family, including free classes for people of all ages who are seeking to improve cardiovascular health or living with a heart condition.

Cardiac Rehabilitation Program

Our cardiac rehabilitation providers are leaders in developing and applying innovative techniques that can help you recover and resume your life.

Connecting Hearts Support Group

The group provides education and support to individuals who have had a heart attack, are living with a heart condition or are at risk for cardiovascular disease.

Heart Health Screenings

Prevention is the best way to manage heart disease, and screenings are available to detect early signs of cardiac and vascular disease and identify risk factors.

About Norton Heart & Vascular Institute

Norton Healthcare Heart and Vascular Institute

Every year, about 250,000 people in Louisville and Southern Indiana choose Norton Heart & Vascular Institute specialists for their heart and vascular care. That’s more than any other health care provider.

  • Norton Healthcare’s four adult-service hospitals in Louisville are American College of Cardiology accredited Cycle VI Chest Pain Centers — the highest level of expertise to evaluate, diagnose and treat patients who may be experiencing a heart attack.
  • You have access to more than 50 board-certified cardiovascular physicians and 35 advanced practice providers with specialized training and experience in a comprehensive range of conditions and treatments.
  • Patients can make appointments at 27 locations in Louisville and Southern Indiana. Telecardiology is offered at more than 30 sites in the region.
  • Norton Audubon Hospital, a key location for Norton Heart & Vascular Institute services, has been recognized with a HeartCare Center National Distinction of Excellence year after year by the American College of Cardiology. This is the only hospital in Louisville to be recognized for this distinction.
  • Norton Healthcare is the only health care system in Kentucky to receive the prestigious Mission: Lifeline Regional Trailblazer Award from the American Heart Association for being an innovator in creating a system of care for the most severe type of heart attacks.
  • Communicate with your health care provider, renew prescriptions, get lab results and more through your free MyNortonChart account.
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