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Features of branch occlusive disease-type intracranial atherosclerotic stroke in young patients

BACKGROUND: Young ischemic stroke patients are common while classification and analysis based upon imaging characteristics are rarely reported. We intend to compare the clinical and MRI characteristics of cerebral stroke induced by intracranial atherosclerosis between young patients with branch occl...

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Autores principales: Zhao, Zhang-Ning, Li, Xiao-Lin, Liu, Jin-Zhi, Jiang, Zhi-Ming, Wang, Ai-Hua
Formato: Online Artículo Texto
Lenguaje:English
Publicado: BioMed Central 2018
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6009042/
https://www.ncbi.nlm.nih.gov/pubmed/29925330
http://dx.doi.org/10.1186/s12883-018-1089-1
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author Zhao, Zhang-Ning
Li, Xiao-Lin
Liu, Jin-Zhi
Jiang, Zhi-Ming
Wang, Ai-Hua
author_facet Zhao, Zhang-Ning
Li, Xiao-Lin
Liu, Jin-Zhi
Jiang, Zhi-Ming
Wang, Ai-Hua
author_sort Zhao, Zhang-Ning
collection PubMed
description BACKGROUND: Young ischemic stroke patients are common while classification and analysis based upon imaging characteristics are rarely reported. We intend to compare the clinical and MRI characteristics of cerebral stroke induced by intracranial atherosclerosis between young patients with branch occlusive disease (BOD) and those with non-branch occlusive disease (non-BOD) or small artery disease (SAD). METHODS: A total of 151 subjects with acute infarction within the middle cerebral artery (MCA) territory were included and patients with ipsilateral internal carotid artery stenosis or cardioembolism were excluded. Based on the distribution characteristics of infarction and the presence of ipsilateral MCA stenosis, the patients were divided into three groups: BOD-striatocapsular area infarction with ipsilateral MCA stenosis; non-BOD -infarction size exceeds the striatocapsular area and accompanied by ipsilateral MCA stenosis; SAD. The clinical and MCA stenosis characteristics of the three groups were compared. RESULTS: The number of BOD patients with hypertension was significantly higher than that of SAD (92.9% vs 53.7%, p = 0.000) and non-BOD (92.9% vs 57.1%, p = 0.001); subjects with smoking history significantly exceeded that of SAD (50% vs 26.9%, p = 0.03) and subjects with family history of cardiovascular disease was significantly less than that of non-BOD (14.3% vs 41.1%). Baseline NIHSS scores and mRS scores at discharge in patients with BOD were significantly lower than those with non-BOD (p = 0.000, p = 0.001). Majority of patients in non-BOD group displayed severe MCA stenosis (39 cases, 69.6%) while that in BOD group displayed mild stenosis (26 cases, 92.9%), and the difference was statistically significant (p = 0.000). Compared with non-BOD group, the stenosis in BOD group located at a relatively distal end in the M1 segment of MCA (S/M1, 58% vs 40%, p = 0.000) and was more localized (stenosis level/ (SL/M1), 1.86 (1.35–2.6) vs 2.9 (2.0–5.0), p = 0.002). CONCLUSION: BOD in young patients with ischemic stroke induced by intracranial atherosclerosis is not rare (33.3%) and its clinical manifestations and prognosis are similar to those of SAD. This may be related to the mild localized stenosis at the distal end in the M1 segment of MCA. Control of hypertension might play a positive role in secondary prevention.
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spelling pubmed-60090422018-06-27 Features of branch occlusive disease-type intracranial atherosclerotic stroke in young patients Zhao, Zhang-Ning Li, Xiao-Lin Liu, Jin-Zhi Jiang, Zhi-Ming Wang, Ai-Hua BMC Neurol Research Article BACKGROUND: Young ischemic stroke patients are common while classification and analysis based upon imaging characteristics are rarely reported. We intend to compare the clinical and MRI characteristics of cerebral stroke induced by intracranial atherosclerosis between young patients with branch occlusive disease (BOD) and those with non-branch occlusive disease (non-BOD) or small artery disease (SAD). METHODS: A total of 151 subjects with acute infarction within the middle cerebral artery (MCA) territory were included and patients with ipsilateral internal carotid artery stenosis or cardioembolism were excluded. Based on the distribution characteristics of infarction and the presence of ipsilateral MCA stenosis, the patients were divided into three groups: BOD-striatocapsular area infarction with ipsilateral MCA stenosis; non-BOD -infarction size exceeds the striatocapsular area and accompanied by ipsilateral MCA stenosis; SAD. The clinical and MCA stenosis characteristics of the three groups were compared. RESULTS: The number of BOD patients with hypertension was significantly higher than that of SAD (92.9% vs 53.7%, p = 0.000) and non-BOD (92.9% vs 57.1%, p = 0.001); subjects with smoking history significantly exceeded that of SAD (50% vs 26.9%, p = 0.03) and subjects with family history of cardiovascular disease was significantly less than that of non-BOD (14.3% vs 41.1%). Baseline NIHSS scores and mRS scores at discharge in patients with BOD were significantly lower than those with non-BOD (p = 0.000, p = 0.001). Majority of patients in non-BOD group displayed severe MCA stenosis (39 cases, 69.6%) while that in BOD group displayed mild stenosis (26 cases, 92.9%), and the difference was statistically significant (p = 0.000). Compared with non-BOD group, the stenosis in BOD group located at a relatively distal end in the M1 segment of MCA (S/M1, 58% vs 40%, p = 0.000) and was more localized (stenosis level/ (SL/M1), 1.86 (1.35–2.6) vs 2.9 (2.0–5.0), p = 0.002). CONCLUSION: BOD in young patients with ischemic stroke induced by intracranial atherosclerosis is not rare (33.3%) and its clinical manifestations and prognosis are similar to those of SAD. This may be related to the mild localized stenosis at the distal end in the M1 segment of MCA. Control of hypertension might play a positive role in secondary prevention. BioMed Central 2018-06-20 /pmc/articles/PMC6009042/ /pubmed/29925330 http://dx.doi.org/10.1186/s12883-018-1089-1 Text en © The Author(s). 2018 Open AccessThis article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated.
spellingShingle Research Article
Zhao, Zhang-Ning
Li, Xiao-Lin
Liu, Jin-Zhi
Jiang, Zhi-Ming
Wang, Ai-Hua
Features of branch occlusive disease-type intracranial atherosclerotic stroke in young patients
title Features of branch occlusive disease-type intracranial atherosclerotic stroke in young patients
title_full Features of branch occlusive disease-type intracranial atherosclerotic stroke in young patients
title_fullStr Features of branch occlusive disease-type intracranial atherosclerotic stroke in young patients
title_full_unstemmed Features of branch occlusive disease-type intracranial atherosclerotic stroke in young patients
title_short Features of branch occlusive disease-type intracranial atherosclerotic stroke in young patients
title_sort features of branch occlusive disease-type intracranial atherosclerotic stroke in young patients
topic Research Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6009042/
https://www.ncbi.nlm.nih.gov/pubmed/29925330
http://dx.doi.org/10.1186/s12883-018-1089-1
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