Asymptomatic cerebral findings on 3-Tesla MRI in patients with severe carotid artery stenoses

无症状的 医学 心脏病学 内科学 高强度 狭窄 冲程(发动机) 放射科 亚临床感染 磁共振成像 机械工程 工程类
作者
Shoichi Komura,Tatsufumi Nomura,Toshio Imaizumi,Shigeru Inamura,Aya Kanno,Osamu Honda,Yuji Hashimoto,Takeshi Mikami,Tadashi Nonaka
出处
期刊:Journal of Clinical Neuroscience [Elsevier BV]
卷期号:101: 106-111 被引量:3
标识
DOI:10.1016/j.jocn.2022.05.004
摘要

Small vessel diseases (SVDs) are often asymptomatic. However, SVDs significantly influence the prognosis in patients with large vessel diseases (LVDs). We investigated asymptomatic cerebral findings on 3-Tesla MRI in patients with severe carotid artery (CA) stenoses, compared to peoples without a past history of neurological disorders, including strokes.We retrospectively analyzed the prevalences of various asymptomatic cerebral findings which were intracerebral hemorrhages (ICHs), cortical superficial siderosis, ventricular dilatation (Evans' index) and SVDs including cerebral microbleeds (CMBs), lacunar infarctions (LIs), deep white matter hyperintensities (WMHs), periventricular hyperintensities (PVHs). The prevalence of each finding was compared using multivariate logistic regression models with adjustment for stroke risk factors.We evaluated the findings in 54 patients with severe CA stenosis treated by stenting (CA stenosis group) and 200 adults with health screening tests of the brain and no past history of neurological disorders (control group). Multivariate analyses adjusted for age ≥ 65 years old, female gender, hypertension, hyperlipidemia, diabetes mellitus, alcohol consumption, and smoking index revealed that the prevalences of severe PVHs, severe deep WMHs, asymptomatic deep ICHs, and asymptomatic LIs were significantly higher in the CA stenosis group than the control group. However, there were no significant differences in the prevalences of CMBs, or the remaining asymptomatic findings described above.With pathological differences between SVD and LVD, asymptomatic SVDs except CMBs and deep ICHs often co-exists severe CA stenosis as a presentative LVD.
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