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Free Content Form and Function in Intracranial Neurovascular Stents: A Historical Perspective and State-of-the-Art Clinical Review for the Noninterventionalist

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The use of intracranial stents in neurointerventional surgery has been practiced for decades. However, the spectrum of treatable pathology, available devices, and clinical adoption of intracranial stents has exploded in recent years. Diagnostic neuroradiologists play a critical role in the evaluation of these devices after deployment, yet may not be familiar with state-of-the-art intracranial stent devices and indications. This review provides an overview of intracranial stents for cerebrovascular disease, with 3 chief learning objectives: 1) to understand the basic principles of stent design, biomechanics, and deployment, and the resulting influence on cerebrovascular hemodynamics; 2) to be familiar with the spectrum of intracranial pathology amenable to endovascular stent placement; and 3) to recognize the radiographic appearance of successful intracranial stent deployment and intracranial stent‐related complications.

Learning Objective: Recognize the key principles of design (form), current indications (function), and potential complications of intracranial stents used in neurointerventional surgery
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Keywords: FD = flow-diverting, flow diversion; ICAD = intracranial atherosclerotic disease; ICS = intracranial stent; ISR = in-stent restenosis; LCS = laser-cut stent; SACE = stent-assisted coil embolization; SAMMPRIS = Stenting and Aggressive Medical Management for Preventing Recurrent Stroke and Intracranial Atherosclerosis

Document Type: Research Article

Publication date: March 1, 2021

More about this publication?
  • Neurographics is the peer-reviewed, bimonthly educational journal of the American Society of Neuroradiology. The journal comprises articles selected from material presented at the ASNR Annual Meeting. Neurographics also publishes other high-quality submissions that are primarily educational and have a high emphasis on a pictorial approach. Neurographics offers CME credit for reading review articles and completing quiz-based self-assessment activities.

    Visit the ASNR Education Connection to view all available CME courses.

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