Document Detail


Association of Stroke with Ambulatory Arterial Stiffness Index (AASI) in Hypertensive Patients.
MedLine Citation:
PMID:  21721987     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
The ambulatory arterial stiffness index (AASI) predicted stroke in hypertensive patients and in the general populations. However, no similar data was available in Chinese. In the present study, we sought confirmation that Chinese hypertensive patients with a history of stroke would have an elevated AASI. We retrospectively analyzed the data of 156 hypertensive outpatients (60.9 % men; mean age, 61.5 years) and 582 inpatients (63.6 % men; 58.6 years) of the Hypertension Department at Ruijin Hospital in Shanghai, China. The AASI was calculated as 1 - the regression slope of diastolic blood pressure (DBP) on systolic blood pressure (SBP) in individual 24-h ambulatory recordings. With adjustment applied for sex, age, body mass index (BMI), the 24-h mean arterial pressure, and other cardiovascular risk factors, AASI was higher in patients with a history of stroke than in patients without stroke in both outpatient (0.51 ± 0.02 vs. 0.47 ± 0.01; P = 0.050) and inpatient (0.46 ± 0.01 vs. 0.44 ± 0.01; P = 0.031) cohorts. The odds ratio (OR) for a history of stroke associated with a 1-SD increase in AASI was 1.63 (95% confidence interval (CI), 1.01-2.62; P = 0.046) in outpatients, 1.32 (1.01-1.74; P = 0.046) in inpatients, and 1.30 (1.05-1.62; P = 0.018) in two patient cohorts combined (n = 738) after multivariate adjustment including the night-to-day ratio of SBP. Our findings suggest that Chinese hypertensive patients with a history of stroke, compared to those without such history, have stiffer arteries, as exemplified by a higher AASI.
Authors:
Ting-Yan Xu; Yan Li; Ya-Qiong Wang; Yan-Xiu Li; Yi Zhang; Ding-Liang Zhu; Ping-Jin Gao
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2011-7-1
Journal Detail:
Title:  Clinical and experimental hypertension (New York, N.Y. : 1993)     Volume:  -     ISSN:  1525-6006     ISO Abbreviation:  -     Publication Date:  2011 Jul 
Date Detail:
Created Date:  2011-7-4     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9305929     Medline TA:  Clin Exp Hypertens     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Affiliation:
State Key Laboratory of Medical Genomics, Shanghai Key Laboratory of Vascular Biology, Vascular Evaluation Center and Department of Hypertension, Ruijin Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, China.
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