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- W1547660242 abstract "Background: Non-traumatic intracranial arterial dissections (IADs) are characterized by the sudden disruption of the internal elastic lamina in intracranial arteries. It is still unknown why IADs occurs. There are few reports concerned with relationship between the endothelial function and IADs. Purpose: The purpose of our retrospective study was to investigate whether or not patients with nontraumatic IADs had normal endothelial function. Methods: Included for retrospective analysis were patients with symptomatic nontraumatic IADs (1) who were admitted to our institution from 2012 to 2013 and (2) who underwent an endothelial function test during hospitalization. Headache patients admitted to outpatient clinic were selected as a control matched for sex and age. The endothelial function was assessed using flow-mediated dilatation (FMD). We investigated ankle brachial index (ABI) and pulse wave velocity (PWV) to determine the degree of atherosclerosis. Patients’ characteristics, brachial FMD, ABI and PVW were assessed in two groups. Results: During study periods, there were 14 patients (median age 45.5 years, IQR 38-53.5 years) with nontraumatic IADs. Fourteen patients of the control had median age of 47 years (IQR: 44-53.5 years). The locations of IADs were the vertebral artery (n=10), the internal carotid artery (n=3) and the superior cerebellar artery (n=1). Between two groups, there were no significant differences of clinical features, atherosclerotic risk factors, ABI and PWV except FMD, indicating that most of them did not suffer from atherosclerosis. However, FMD in IADs was significantly lower than in control (4.85 vs. 7.4, p<0.01) Conclusion: ur results suggest that the endothelial function of intracranial arteries might be impaired in patients with symptomatic nontraumatic IADs in spite of no atherosclerotic change." @default.
- W1547660242 created "2016-06-24" @default.
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- W1547660242 date "2014-02-01" @default.
- W1547660242 modified "2023-09-25" @default.
- W1547660242 title "Abstract T P171: Impaired Brachial Flow-mediated Dilatation in Patients With Symptomatic Nontraumatic Intracranial Arterial Dissections" @default.
- W1547660242 doi "https://doi.org/10.1161/str.45.suppl_1.tp171" @default.
- W1547660242 hasPublicationYear "2014" @default.
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