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Interarm Systolic and Diastolic Blood Pressure Difference Is Diversely Associated With Cerebral Atherosclerosis in Noncardioembolic Stroke Patients

Title
Interarm Systolic and Diastolic Blood Pressure Difference Is Diversely Associated With Cerebral Atherosclerosis in Noncardioembolic Stroke Patients
Authors
Chang, YoonkyungChoi, Gyeong SeonLim, Soo MeeKim, Yong-JaeSong, Tae-Jin
Ewha Authors
김용재임수미송태진
SCOPUS Author ID
임수미scopus; 송태진scopus
Issue Date
2018
Journal Title
AMERICAN JOURNAL OF HYPERTENSION
ISSN
0895-7061JCR Link1941-7225JCR Link
Citation
vol. 31, no. 1, pp. 35 - 42
Keywords
interarm blood pressure differencesankle-brachial indexblood pressureextracranial atherosclerosishypertensionintracranial atherosclerosis
Publisher
OXFORD UNIV PRESS
Indexed
SCI; SCIE; SCOPUS WOS scopus
Abstract
Interarm systolic and diastolic blood pressure differences (IASBD, IADBD) are not infrequent in various populations. Cerebral atherosclerosis, including extracranial cerebral atherosclerosis (ECAS) and intracranial cerebral atherosclerosis (ICAS), is an important risk factor for stroke. In this study, we aimed to investigate the relationship of IASBD, IADBD with presence and burden of ICAS and ECAS. This was a retrospective hospital-based cross-sectional study. In total, 1,063 consecutive noncardioembolic ischemic stroke patients, who were checked for bi-brachial blood pressures from ankle-brachial index and brain magnetic resonance angiographic images of cerebral arteries, were included. The IASBD and IADBD were defined as absolute value of the blood pressure difference in both arms. In all included patients, patients with IASBD 10 and IADBD 10 were noted in 9.4% (100/1,063) and 5.3% (56/1,063). The patients with IASBD 10 mm Hg were more frequently burdened with ICAS (P = 0.001) and ECAS (P = 0.027) and patients with IADBD 10 mm Hg were more frequently burdened with ICAS (P = 0.042) but not ECAS (P = 0.187). Multivariate analysis after adjusting gender, age, and a P value < 0.1 in univariate analysis showed IASBD 10 mm Hg was associated with the presence of both ECAS and ICAS [odds ratio (OR): 2.96, 95% confidence interval (CI): 1.65-5.31]. The IADBD 10 mm Hg was related with presence of ICAS only (OR: 1.87, 95% CI: 1.05-3.37) but not with ECAS only (OR: 1.50, 95% CI: 0.73-3.06). Our study showed IASBD and IADBD were diversely associated with cerebral atherosclerosis. In noncardioembolic stroke patients with IASBD 10 or IADBD 10, the possibility of accompanying cerebral atherosclerosis should be considered.
DOI
10.1093/ajh/hpx126
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의학전문대학원 > 의학과 > Journal papers
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