Risk of Embolization During Carotid Revascularization Procedures and The Role of Neuroimaging
Almekhlafi Mohammed A., Alghamdi Abdulrahman Ali, Bala Fouzi,
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( Almekhlafi Mohammed A. )
University of Calgary Departments of Clinical Neurosciences, Radiology, and Community Health Sciences
( Alghamdi Abdulrahman Ali )
King Abdulaziz University Department of Medicine
( Bala Fouzi )
University of Lille Department of Neuroradiology
Abstract
Atherosclerotic carotid stenosis is an important cause of stroke. The advent of non-invasive carotid imaging using Doppler ultrasound and computerized tomography angiography has increased the number of patients who are diagnosed with and referred for revascularization of carotid stenosis. Both surgical or endovascular treatments for carotid stenosis carry a risk of brain embolization of plaque debris or in-situ thrombi. These emboli can be detected during these procedures using transcranial Doppler or post-procedures on diffusion magnetic resonance imaging. We review the literature on the incidence and detection of brain embolization during carotid revascularization procedures. We also describe some of the promising technologies to reduce embolization associated with carotid stenting.
키워드
Carotid stenosis; Carotid artery thrombosis; Endarterectomy, carotid; Stenting; Stroke
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