| Comparison of flow disturbances in small carotid atheroma using a multi-gate pulsed Doppler system and Doppler color flow imaging. | |
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MedLine Citation:
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PMID: 1566521 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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The capacity of a multi-gate pulsed Doppler (MPD) system and Doppler color flow imaging (DCFI) for the evaluation of flow patterns was studied in 14 patients with 17 nonstenotic carotid plaques (luminal narrowing less than 40%). Plaque morphology was assessed by means of a high-resolution B-mode system with subsequent three-dimensional reconstruction of the lesion surface. MPD velocity profiles obtained proximally, centrally and distally to the plaque (51 analyses) were normal in 31 sites corresponding to 28 undisturbed and 3 turbulent flow patterns assessed by Doppler color flow imaging (90% specificity). Of the 10 irregular MPD flow profiles, DCFI detected turbulence in 7 (70% sensitivity). 10 asymmetric MPD waveforms without irregularities were normal in 7 and turbulent in 3 DCFI studies. These results suggest, that MPD is superior to DCFI for the detection of nonturbulent flow asymmetry nearby small carotid plaques. However, DCFI displays turbulence with a high specificity and reasonable sensitivity and visualizes the morphologic-hemodynamic interaction in carotid atherosclerosis simultaneously. |
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Authors:
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W Steinke; T Els; M Hennerici |
Publication Detail:
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Type: Comparative Study; Journal Article |
Journal Detail:
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Title: Ultrasound in medicine & biology Volume: 18 ISSN: 0301-5629 ISO Abbreviation: Ultrasound Med Biol Publication Date: 1992 |
Date Detail:
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Created Date: 1992-05-21 Completed Date: 1992-05-21 Revised Date: 2007-11-15 |
Medline Journal Info:
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Nlm Unique ID: 0410553 Medline TA: Ultrasound Med Biol Country: ENGLAND |
Other Details:
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Languages: eng Pagination: 11-8 Citation Subset: IM |
Affiliation:
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Department of Neurology, University of Heidelberg, Klinikum Mannheim, Germany. |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Aged Arteriosclerosis / physiopathology, ultrasonography* Blood Flow Velocity* Carotid Artery Diseases / physiopathology, ultrasonography* Carotid Artery, Internal / physiopathology, ultrasonography Female Hemodynamics Humans Male Middle Aged |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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