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Mechanism of infarction involving ipsilateral carotid and posterior cerebral artery territories

Authors
 Jae Hoon Yang  ;  Hye-Yoen Choi  ;  Ji Hoe Heo  ;  Sang Won Han  ;  Seo Hyun Kim  ;  Hyo Suk Nam 
Citation
 Cerebrovascular Diseases, Vol.24(5) : 445-451, 2007 
Journal Title
 Cerebrovascular Diseases 
ISSN
 1015-9770 
Issue Date
2007
Abstract
Backgrounds: We investigated the potential mechanism of infarction involving the territories of both the internal carotid artery (ICA) and the ipsilateral posterior cerebral artery (PCA). Methods: Among consecutive patients with an ischemic stroke who had undergone both diffusion-weighted magnetic resonance imaging (DWI) and cerebral angiography, those who were found to have acute lesions in the ipsilateral ICA and PCA territories on DWI were selected for this study. The mechanism of infarction was sought by investigating angiographic findings and DWI lesion patterns. The frequency of patency between the ICA and PCA in the patient group was compared with that in the normal control group. Results: Infarctions involving ipsilateral ICA and PCA territories were rare (21 of 1,388 patients, 1.5%). Sixteen of those 21 patients (76%) demonstrated steno-occlusive lesions of the relevant ICA. Cardioembolic sources were rarely found. All but 1 patient with fetal-type PCA (fPCA) or the posterior communicating artery demonstrated significant ICA stenosis. The fPCA was more frequently found in the ipsilateral hemisphere of patients with an infarction than in the control group (44.4 vs. 18.5%, p = 0.006). Ischemic lesions in the ICA territory were usually small but multiple, and those in the PCA territory were single and located in the cortex. Conclusions: Large artery atherosclerosis of the carotid artery was very common in patients with infarctions involving the ipsilateral ICA and PCA territories. Extracranial cervical artery evaluation is indispensable in those patients.
Full Text
http://www.karger.com/Article/FullText/108435
DOI
10.1159/000108435
Appears in Collections:
1. College of Medicine (의과대학) > Dept. of Urology (비뇨의학교실) > 1. Journal Papers
1. College of Medicine (의과대학) > Dept. of Neurology (신경과학교실) > 1. Journal Papers
Yonsei Authors
Nam, Hyo Suk(남효석) ORCID logo https://orcid.org/0000-0002-4415-3995
Choi, Hye Yoen(최혜연)
Han, Sang Won(한상원)
Heo, Ji Hoe(허지회) ORCID logo https://orcid.org/0000-0001-9898-3321
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URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/95826
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