Key result
Contrast-enhanced sonography safely evaluates carotid stenosis and plaque without radiation using <1 mL microbubble contrast.
Why the study?
How does contrast-enhanced sonography compare to standard sonography in the assessment of carotid atherosclerotic disease and plaque characterization?
How does contrast-enhanced sonography compare to standard sonography in the assessment of carotid atherosclerotic disease and plaque characterization?
Contrast-enhanced ultrasound provides a safe, radiation-free, and minimally invasive method for detailed characterization of carotid atherosclerotic plaques and stenosis.
Answers are grounded in this paper and cite their sources.
Supports further study of contrast-enhanced sonography for carotid plaque assessment; leaves open comparative benefit versus standard ultrasound.
Contrast-enhanced sonography is a safe, radiation-free, and minimally invasive imaging technique. It takes advantage of the nonlinear behavior of microbubble contrast agents to produce microbubble-only images, which allows for the assessment of the extracranial carotid arteries, with a minuscule total dose of <1 mL. This review highlights the current status of extracranial carotid sonography imaging, including plaque characterization when using standard and contrast-enhanced sonography. Learning Objective: Describe risk factors associated with ischemic stroke and the associated imaging features and how contrast-enhanced sonography can provide direct evaluation for carotid artery stenosis as well as characterization of atherosclerotic plaque.
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Tellapuri et al. (2021) conducted a review in Carotid Atherosclerotic Disease. Contrast-enhanced sonography vs. Standard sonography was evaluated. Contrast-enhanced sonography provides a safe, radiation-free method for evaluating carotid artery stenosis and characterizing atherosclerotic plaque using a microbubble contrast dose of <1 mL.
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