• Eur Heart J Cardiovasc Pharmacother · Apr 2017

    Randomized Controlled Trial Multicenter Study

    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, and César Cerezo.
    • Division of Cardiology, Yonsei Cardiovascular Hospital, Yonsei University College of Medicine, Seoul 120-752, Korea.
    • Eur Heart J Cardiovasc Pharmacother. 2017 Apr 1; 3 (2): 82-89.

    AimsTo investigate the relationship between visit-to-visit blood pressure variability (BPV) and the progression of both carotid and coronary artery disease (CAD).Methods And ResultsData 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.ConclusionsIn 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.Published on behalf of the European Society of Cardiology. All rights reserved. © The Author 2016. For permissions please email: journals.permissions@oup.com

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