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Updated: Jun 4, 2026

Optimized Management of Endovascular Treatment for Acute Ischemic Stroke
Published on: January 18, 2018
Endovascular treatment of symptomatic intracranial atherosclerotic disease
Jody L Short1, Arshad Majid, Syed I Hussain
1Department of Neurology, Michigan State University East Lansing, MI, USA.
Insights
Symptomatic intracranial atherosclerotic disease (ICAD) causes 10% of US ischemic strokes. This review examines angioplasty and stenting for critical ICAD stenosis refractory to medical management.
Area of Science:
- Neurology
- Vascular Surgery
- Interventional Radiology
Background:
- Symptomatic intracranial atherosclerotic disease (ICAD) accounts for 10% of ischemic strokes in the US.
- High-grade stenosis (>70%) in ICAD carries a significant risk of recurrent stroke (up to 35%).
- Optimizing medical and endovascular treatments for ICAD is a key focus in stroke research.
Purpose of the Study:
- To review the current state of endovascular treatment for symptomatic ICAD.
- To evaluate the safety, suitability, and efficacy of angioplasty and/or stenting for critical ICAD stenoses.
- To address the therapeutic strategy for patients with ICAD refractory to medical management.
Main Methods:
- Comprehensive literature review of symptomatic ICAD studies.
- Analysis of existing data on angioplasty and/or stenting in severe symptomatic ICAD.
- Focus on case series and the need for randomized trial results.
Main Results:
- Current data predominantly consists of case series for endovascular interventions in ICAD.
- Randomized trial results comparing endovascular therapy to medical treatment are pending.
- The efficacy and safety of angioplasty/stenting in refractory ICAD require further robust evidence.
Conclusions:
- Angioplasty and/or stenting are potential therapeutic options for symptomatic ICAD.
- Further randomized controlled trials are needed to establish definitive evidence for endovascular treatment efficacy in ICAD.
- Optimizing treatment strategies for ICAD remains crucial for stroke prevention.
Abstract:
Symptomatic intracranial atherosclerotic disease (ICAD) is responsible for approximately 10% of all ischemic strokes in the United States. The risk of recurrent stroke may be as high as 35% in patient with critical stenosis >70% in diameter narrowing. Recent advances in medical and endovascular therapy have placed ICAD at the forefront of clinical stroke research to optimize the best medical and endovascular approach to treat this important underlying stroke etiology. Analysis of symptomatic ICAD studies lead to the question that whether angioplasty and/or stenting is a safe, suitable, and efficacious therapeutic strategy in patients with critical stenoses that are deemed refractory to medical management. Most of the currently available data in support of angioplasty and/or stenting in high risk patients with severe symptomatic ICAD is in the form of case series and randomized trial results of endovascular therapy versus medical treatment are awaited. This is a comprehensive review of the state of the art in the endovascular approach with angioplasty and/or stenting of symptomatic ICAD.
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