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Effect of inter-individual blood pressure variability on the progression of atherosclerosis in carotid and coronary arteries: a post hoc analysis of the NORMALISE and PREVENT studies

 Jung-Sun Kim  ;  Sungha Park  ;  Ping Yan  ;  Barrett W. Jeffers  ;  César Cerezo 
 European Heart Journal-Cardiovascular Pharmacotherapy, Vol.3(2) : 82-89, 2017 
Journal Title
 European Heart Journal-Cardiovascular Pharmacotherapy 
Issue Date
Blood pressure variability ; CAMELOT ; Carotid intima media thickness ; Coronary atherosclerosis ; Coronary heart disease ; PREVENT
Aims: To investigate the relationship between visit-to-visit blood pressure variability (BPV) and the progression of both carotid and coronary artery disease (CAD). Methods and results: Data from two cardiovascular endpoint studies [Norvasc for Regression of Manifest Atherosclerotic Lesions by Intravascular Sonographic Evaluation (NORMALISE) and Prospective Randomized Evaluation of the Vascular Effects of Norvasc Trial (PREVENT)] were analysed separately. Systolic BPV was assessed as within-subject standard deviation of systolic BP across visits from 12-weeks onwards. Follow-up was 24 months (NORMALISE) or 36 months (PREVENT). Any association between BPV and progression of atherosclerosis was assessed using quantitative coronary angiography (QCA), intravascular ultrasound (IVUS), or B-mode ultrasound (depending on study). Patients from NORMALISE (n = 261) and PREVENT (n = 688 for QCA; n = 364 for ultrasound) were stratified within study according to median systolic BPV. No significant difference in change of minimal luminal diameter (by QCA in PREVENT) or change in percent atheroma volume or normalized total atheroma volume (by IVUS in NORMALISE) was detected for subjects with low BPV (BPV < median) compared with high BPV (BPV ≥ median), regardless of treatment. In PREVENT, a significantly greater reduction in maximum carotid intima-media thickness (IMT) (left and right common carotid artery far wall) was observed for patients with BPV < median compared with those with BPV ≥ median [least squares mean difference 0.06 (95% confidence interval 0.01, 0.11); P = 0.0271], after adjusting for treatment, carotid artery segment (left or right), baseline maximum carotid IMT, and other baseline and cardiovascular risk factors/covariates. Conclusions: In patients with existing CAD and well-controlled BP, visit-to-visit BPV was not associated with progression of coronary atherosclerosis; however, a significantly greater reduction in maximum carotid IMT was observed for patients with low BPV.
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1. College of Medicine (의과대학) > Dept. of Internal Medicine (내과학교실) > 1. Journal Papers
Yonsei Authors
Kim, Jung Sun(김중선) ORCID logo https://orcid.org/0000-0003-2263-3274
Park, Sung Ha(박성하) ORCID logo https://orcid.org/0000-0001-5362-478X
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