Neurological Research

2012

DOI: 10.1179/1743132811y.0000000065

|View full text |Cite

|

Sign up to set email alerts

|

Compensatory remodeling in symptomatic middle cerebral artery atherosclerotic stenosis: a high-resolution MRI and microemboli monitoring study

¹

,

²

,

³

et al.

Abstract: In patients with symptomatic middle cerebral artery atherosclerotic stenosis, MESs were observed more frequently in the PR group than in the non-PR group.

Help me understand this report

Search citation statements

Order By: Relevance

Paper Sections

Select...

To Assess Atherosclerotic Plaque Activity1

Advanced Vascular Imaging and Additional Sonographic Studies1

Ryoo Et Al Differential Vascular Pathophysiologies Of Icas 28191

Diagnostic Criteria Of Mcas1

Citation Types

Supporting

6

Mentioning

30

Contrasting

1

Year Published

2014

2014

2021

2021

Publication Types

Select...

Article8

Book1

Relationship

Self Cite0

Independent9

Authors

Journals

Cited by 57 publications

(37 citation statements)

References 22 publications

Supporting

6

Mentioning

30

Contrasting

1

Order By: Relevance

“…Most VW-MR imaging studies 20,61 have found that MCA remodeling was (on average) outward in symptomatic plaques and inward in asymptomatic plaques, though some studies 16 have found no significant difference. Microembolic signals on transcranial Doppler sonography were more common in patients with MCA atherosclerotic plaque with VW-MR imaging evidence of positive remodeling, 65 consistent with the idea that positive remodeling is characteristic of the higher risk plaque that produces thromboembolism.…”

Section: To Assess Atherosclerotic Plaque Activitysupporting

confidence: 62%

Intracranial Vessel Wall MRI: Principles and Expert Consensus Recommendations of the American Society of Neuroradiology

¹

,

²

,

³

et al. 2016

AJNR Am J Neuroradiol

View full text Add to dashboard Cite

SUMMARY:Intracranial vessel wall MR imaging is an adjunct to conventional angiographic imaging with CTA, MRA, or DSA. The technique has multiple potential uses in the context of ischemic stroke and intracranial hemorrhage. There remain gaps in our understanding of intracranial vessel wall MR imaging findings and research is ongoing, but the technique is already used on a clinical basis at many centers. This article, on behalf of the Vessel Wall Imaging Study Group of the American Society of Neuroradiology, provides expert consensus recommendations for current clinical practice. ABBREVIATIONS: RCVS ϭ reversible cerebral vasoconstriction syndrome; VW-MR imaging ϭ vessel wall MR imaging

“…Most VW-MR imaging studies 20,61 have found that MCA remodeling was (on average) outward in symptomatic plaques and inward in asymptomatic plaques, though some studies 16 have found no significant difference. Microembolic signals on transcranial Doppler sonography were more common in patients with MCA atherosclerotic plaque with VW-MR imaging evidence of positive remodeling, 65 consistent with the idea that positive remodeling is characteristic of the higher risk plaque that produces thromboembolism.…”

Section: To Assess Atherosclerotic Plaque Activitysupporting

confidence: 62%

Intracranial Vessel Wall MRI: Principles and Expert Consensus Recommendations of the American Society of Neuroradiology

¹

,

²

,

³

et al. 2016

AJNR Am J Neuroradiol

View full text Add to dashboard Cite

SUMMARY:Intracranial vessel wall MR imaging is an adjunct to conventional angiographic imaging with CTA, MRA, or DSA. The technique has multiple potential uses in the context of ischemic stroke and intracranial hemorrhage. There remain gaps in our understanding of intracranial vessel wall MR imaging findings and research is ongoing, but the technique is already used on a clinical basis at many centers. This article, on behalf of the Vessel Wall Imaging Study Group of the American Society of Neuroradiology, provides expert consensus recommendations for current clinical practice. ABBREVIATIONS: RCVS ϭ reversible cerebral vasoconstriction syndrome; VW-MR imaging ϭ vessel wall MR imaging

“…Vulnerable plaque components are associated with a high degree of positive remodeling because of which ischemic events often result from a plaque without significant stenosis. 27,28 Not only the plaque burden but also plaque distribution has clinical relevance. In patients with subcortical infarcts adjacent to the proximal middle cerebral artery, superior wall plaques are more likely to be symptomatic because they are nearer to the orifices of penetrating arteries ( Figure 1B).…”

Section: Advanced Vascular Imaging and Additional Sonographic Studiesmentioning

confidence: 99%

Evaluation of Cryptogenic Stroke With Advanced Diagnostic Techniques

¹

,

²

,

³

2014

View full text Add to dashboard Cite

No abstract

“…13 Other study showed that microembolic signals on transcranial Doppler were observed more frequently in patients with positive remodeling of MCA. 19 Moreover, BOD often is lumped in with non-BOD as ICAS, 20,21 or only BOD-type ICAS (eg, paramedian pontine infarcts) 22 was studied in most studies. To the best of our knowledge, no previous study has specifically compared the vascular pathophysiologies in terms of vascular remodeling and plaque characteristics between 2 types of ICAS.…”

Section: Ryoo Et Al Differential Vascular Pathophysiologies Of Icas 2819mentioning

confidence: 99%

Differential Vascular Pathophysiologic Types of Intracranial Atherosclerotic Stroke

¹

,

²

,

³

et al. 2015

View full text Add to dashboard Cite

Background and Purpose— Intracranial atherosclerotic stroke (ICAS) has various stroke mechanisms, including branch occlusive disease (BOD), subcortical infarcts caused by parent arterial disease occluding the perforator’s orifice, and non-BOD, infarcts beyond the subcortical area caused by artery-to-artery embolism. To test whether these 2 types of ICAS had different vascular pathophysiologies, we compared the high-resolution magnetic resonance imaging characteristics between BOD and non-BOD ICAS. Methods— Eighty patients with acute infarcts caused by ICAS of proximal middle cerebral artery or basilar artery without carotid/cardiac embolic sources or nonatherosclerotic causes were enrolled (36 BOD and 44 non-BOD patients). The steno-occlusive intracranial artery at the maximal stenosis was analyzed for vascular remodeling and wall enhancement. Results— BOD had distinct radiological features in terms of vascular morphology and enhancement. BOD showed a milder stenosis than non-BOD ( P <0.001). Positive remodeling was more frequently observed in non-BOD than in BOD ( P =0.005). Wall area index was also lower in BOD. Plaque enhancement was observed in all but one non-BOD patient and in one fourth of BOD patients ( P =0.003). Although both types showed an eccentric enhancement, this enhancement was more frequently distributed in the BOD group on the side where the perforators arose. As the number of asymptomatic intracranial stenosis increased, the degree of stenosis (rho=0.513, P =0.003) increased in the BOD group, whereas enhanced plaque area (rho=0.343, P =0.030) increased in the non-BOD group. Conclusions— Our data indicate that BOD is a common and unique form of ICAS, distinct from non-BOD. These 2 types of ICAS have different vascular pathophysiologies in terms of vascular remodeling and plaque characteristics.

scite is a Brooklyn-based organization that helps researchers better discover and understand research articles through Smart Citations–citations that display the context of the citation and describe whether the article provides supporting or contrasting evidence. scite is used by students and researchers from around the world and is funded in part by the National Science Foundation and the National Institute on Drug Abuse of the National Institutes of Health.

Contact Info

customersupport@researchsolutions.com

10624 S. Eastern Ave., Ste. A-614

Henderson, NV 89052, USA

Product

Browser Extension Assistant by scite Citation Statement Search Reference Check Visualizations Dashboards Explore Journals Explore Organizations Explore Funders Embedding Badge Embedding Citation Search Pricing

Resources

Blog Help & FAQ Accessibility Statement API Terms For Universities & Governments For Researchers For Publishers For Corporate, Pharma & Enterprise Author Marketing Become an Affiliate Get an organization trial or quote scite Data & Services

About

News & Press Careers Read our Paper Coverage

This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.

Blog Terms and Conditions API Terms Privacy Policy Contact Cookie Preferences Do Not Sell or Share My Personal Information

Copyright © 2024 scite LLC. All rights reserved.

Made with 💙 for researchers

Part of the Research Solutions Family.