Document Detail

Assessment of intracranial collateral flow by using dynamic arterial spin labeling MRA and transcranial color-coded duplex ultrasound.
MedLine Citation:
PMID:  18403739     Owner:  NLM     Status:  MEDLINE    
BACKGROUND AND PURPOSE: To evaluate the potential of a new dynamic MRA sequence (DynAngio) based on arterial spin labeling for the assessment of intracranial collateral flow. METHODS: Twelve patients with unilateral internal carotid artery obstruction were investigated. Different patterns of collateral flow were compared between DynAngio, transcranial color-coded duplex ultrasound, and time-of-flight MRA. RESULTS: There was a good agreement between the methods, with sensitivities between 80% and 90%. Small collateral vessels were detected more frequently with DynAngio compared to time-of-flight MRA. CONCLUSIONS: DynAngio provides anatomic and similar to transcranial color-coded duplex ultrasound functional information on collateral flow for the assessment of intracranial hemodynamics.
Fabrizio Sallustio; Rolf Kern; Matthias Günther; Kristina Szabo; Martin Griebe; Stephen Meairs; Michael Hennerici; Achim Gass
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Publication Detail:
Type:  Comparative Study; Evaluation Studies; Journal Article     Date:  2008-04-10
Journal Detail:
Title:  Stroke; a journal of cerebral circulation     Volume:  39     ISSN:  1524-4628     ISO Abbreviation:  Stroke     Publication Date:  2008 Jun 
Date Detail:
Created Date:  2008-05-28     Completed Date:  2008-07-03     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0235266     Medline TA:  Stroke     Country:  United States    
Other Details:
Languages:  eng     Pagination:  1894-7     Citation Subset:  IM    
Department of Neurology, Universitätsklinikum Mannheim, University of Heidelberg, 68135 Mannheim, Germany.
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MeSH Terms
Aged, 80 and over
Brain / blood supply,  physiopathology
Brain Ischemia / pathology,  physiopathology,  ultrasonography
Carotid Stenosis / pathology*,  physiopathology,  ultrasonography*
Cerebral Arteries / anatomy & histology*,  physiology,  ultrasonography*
Cerebrovascular Circulation / physiology
Magnetic Resonance Angiography / methods*
Middle Aged
Predictive Value of Tests
Prospective Studies
Stroke / pathology,  physiopathology,  ultrasonography
Ultrasonography, Doppler, Transcranial / methods*

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