Abdominal aortic aneurysm screening
(Redirected from AAA screening)
Abdominal aortic aneurysm screening
Abdominal aortic aneurysm (AAA) screening is a medical procedure used to detect the presence of an aneurysm in the abdominal aorta. An abdominal aortic aneurysm is a localized enlargement of the abdominal aorta, which can lead to life-threatening complications if it ruptures. Screening aims to identify AAAs before they become symptomatic and to reduce the risk of rupture through early intervention.
Purpose[edit | edit source]
The primary purpose of AAA screening is to detect aneurysms in asymptomatic individuals, particularly in populations at higher risk. Early detection allows for monitoring and, if necessary, surgical intervention to prevent rupture. Screening is especially recommended for men aged 65 and older, as they are at higher risk for developing AAAs.
Screening Methods[edit | edit source]
The most common method for AAA screening is ultrasound imaging, which is non-invasive, safe, and highly effective in detecting aneurysms. During the procedure, a transducer is placed on the abdomen to create images of the aorta, allowing the measurement of its diameter.
Risk Factors[edit | edit source]
Several risk factors increase the likelihood of developing an AAA, including:
- Age (particularly men over 65)
- Smoking
- Hypertension
- Family history of AAA
- Atherosclerosis
Screening Recommendations[edit | edit source]
Different health organizations have varying recommendations for AAA screening:
- The United States Preventive Services Task Force (USPSTF) recommends one-time screening for men aged 65 to 75 who have ever smoked.
- The American Heart Association suggests screening for men over 60 with a family history of AAA.
Outcomes[edit | edit source]
Screening can lead to early detection and timely management of AAAs, significantly reducing the risk of rupture and associated mortality. If an aneurysm is detected, the size and growth rate will determine the management approach, which may include regular monitoring or surgical repair.
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