Document Detail

Oscillating thromboemboli within the extracranial internal carotid artery demonstrated by ultrasonography in patients with acute cardioembolic stroke.
MedLine Citation:
PMID:  9833579     Owner:  NLM     Status:  MEDLINE    
We detected oscillating thromboemboli at the extracranial internal carotid artery (ICA) by duplex carotid ultrasonography in patients with acute cardioembolic stroke. Using B-mode ultrasonography, we evaluated the extracranial ICA in 11 patients with acute cardioembolic ICA occlusion. A homogeneous, elastic, oscillating intraluminal mass echo originating in the extracranial ICA extended distally in 5 (46%) of these patients. The echoes moved quickly and distally during the systolic phase of the cardiac cycle and returned slowly to the original position during the diastolic phase. We performed a postmortem study 24 days after stroke onset in 1 patient with an oscillating intraluminal mass echo that had been demonstrated by duplex ultrasonography. The ICA lumen was obstructed with a fresh string-like thrombus. The findings of oscillating intraluminal mass echo may help establish a diagnosis of acute embolic ICA occlusion.
K Kimura; M Yasaka; K Minematsu; K Wada; M Uchino; K Yonemura; J Ogata; T Yamaguchi
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Publication Detail:
Type:  Comparative Study; Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Ultrasound in medicine & biology     Volume:  24     ISSN:  0301-5629     ISO Abbreviation:  Ultrasound Med Biol     Publication Date:  1998 Oct 
Date Detail:
Created Date:  1999-01-28     Completed Date:  1999-01-28     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  0410553     Medline TA:  Ultrasound Med Biol     Country:  ENGLAND    
Other Details:
Languages:  eng     Pagination:  1121-4     Citation Subset:  IM    
Department of Medicine, National Cardiovascular Center, Suita, Osaka, Japan.
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MeSH Terms
Acute Disease
Blood Flow Velocity
Carotid Artery Thrombosis / etiology,  ultrasonography*
Carotid Artery, Internal / radiography,  ultrasonography*
Cerebral Angiography
Cerebrovascular Disorders / etiology,  ultrasonography*
Follow-Up Studies
Heart Diseases / complications*,  physiopathology
Myocardial Contraction
Ultrasonography, Doppler, Duplex*

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