Carotid Artery Stenosis: Should You Get Tested?
Carotid Artery Stenosis: Should You Get Tested?
Testing Dilemma
Carotid artery stenosis tests are available, but they come with their own set of challenges. Are these tests right for you?
Contents
- Types of Tests
- Limitations of Testing
- When Testing is Advised
Types of Tests
There are several noninvasive tests available for carotid artery stenosis, including carotid duplex ultrasonography, magnetic resonance angiography, and computed tomography angiography. These tests are used to identify narrowing in the carotid arteries, offering high sensitivity and specificity.
Limitations of Testing
Despite their accuracy, these tests can lead to false positives, causing unnecessary anxiety and interventions. The reliability of the tests can vary between different laboratories and operators.
When Testing is Advised
Testing is generally not recommended for asymptomatic individuals. However, it may be considered for those with significant risk factors or symptoms of atherosclerosis in other parts of the body.
FAQs
What tests are available?
Ultrasonography, MRI, and CT scans.
Are these tests accurate?
Yes, but they can cause false positives.
Who should consider testing?
Those with risk factors or symptoms elsewhere.
The Bottom Line
Testing for carotid artery stenosis should be carefully considered based on individual risk factors.
Additional References
- Jahromi AS, Cinà CS, Liu Y, Clase CM. Sensitivity and specificity of color duplex ultrasound measurement in the estimation of internal carotid artery stenosis: a systematic review and meta-analysis. J Vasc Surg 2005; 41:962.
- Guirguis-Blake JM, Webber EM, Coppola EL. Final evidence review: Screening for asymptomatic carotid artery stenosis. Agency for Healthcare Research and Quality, U.S. Department of Health and Human Services. AHRQ Publication No. 20-05268-EF-1. February 2021.
This article has been reviewed for accuracy by one of the licensed medical doctors working for Doctronic.