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Significance of acute multiple infarcts in multiple cerebral circulations on initial diffusion weighted imaging in stroke patients.
MedLine Citation:
PMID:  24332593     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
OBJECTIVES: We attempted to assess the frequency, clinical and neuroradiological features of concomitant Acute Multiple Infarcts in Multiple Cerebral Circulations (AMIMCC) and to classify their causes.
SUBJECTS AND METHODS: Consecutive patients treated for MR DWI-confirmed infarcts were included in this cohort. We retrospectively analyzed all patients with AMIMCC of our prospective database, studying clinical and radiological features. Causes of stroke were classified using TOAST and ASCO system (atherosclerosis, small vessel disease, cardiac source, other causes).
RESULTS: Eighty AMIMCC were identified out of 824 consecutive patients with MR DWI-confirmed infarcts (9.7%). Compared with single infarct patients, AMIMCC patients presented similar age and risk factors. Only 24 AMIMCC patients (30%) presented symptoms suggesting multiple lesions before MRI. Cardiac origin existed in 39 of 80 patients (49%) including atrial fibrillation in 25 patients. Other sources of AMIMCC were hematologic diseases or coagulopathies such as intravascular coagulation in relation with cancer (n=6; 7,5%) and vasculitis or systemic disorders (n=5;6,5%). AMIMCC also appeared to originate from unilateral carotid diseases or intracranial stenosis, mostly atheromatous, in association with anatomic variations(n=9;11%). In 21 patients, no cause was identified despite extensive investigations (26%). According to TOAST classification, 62% had a definite source for infarcts, 67% according to ASCO grade 1 classification. MRI data did not permit to orientate etiological explorations according to DWI appearance, associated leucoaraiosis or previous infarcts on FLAIR or microbleeding on gradient-echo sequences.
CONCLUSIONS: AMIMCC are not rare and mostly need MRI to be detected. Multiple and various etiologies are implicated, including cardioembolic diseases in half of them, but also hematologic disorders and angeitis.
Authors:
S Depuydt; M Sarov; C Vandendries; T Guedj; C Cauquil; P Assayag; O Lambotte; D Ducreux; C Denier
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2013-12-4
Journal Detail:
Title:  Journal of the neurological sciences     Volume:  -     ISSN:  1878-5883     ISO Abbreviation:  J. Neurol. Sci.     Publication Date:  2013 Dec 
Date Detail:
Created Date:  2013-12-16     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0375403     Medline TA:  J Neurol Sci     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
Copyright © 2013 Elsevier B.V. All rights reserved.
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