The association of night-time systolic blood pressure with ultrasound markers of subclinical cardiac and vascular disease
dc.contributor.author | O'Flynn, Anne Marie | |
dc.contributor.author | Ho, Emily | |
dc.contributor.author | Dolan, Eamon | |
dc.contributor.author | Curtin, Ronan J. | |
dc.contributor.author | Kearney, Patricia M. | |
dc.contributor.funder | Health Research Board | |
dc.contributor.funder | Irish Heart Foundation | |
dc.date.accessioned | 2018-06-15T11:47:15Z | |
dc.date.available | 2018-06-15T11:47:15Z | |
dc.date.issued | 2017 | |
dc.description.abstract | Introduction The aim of this study was to examine the association of night-time systolic blood pressure (BP) with subclinical cardiac dysfunction measured by global longitudinal strain (GLS) and subclinical vascular damage measured by carotid intima-media thickness (CIMT) and carotid plaques. Methods GLS was measured by speckle-tracking analysis of echocardiogram images. CIMT was measured at the distal 1 cm of the common carotid artery. The presence of carotid plaques was recorded. Philips QLAB cardiac and vascular ultrasound quantification software was used for analysis. The association of night-time systolic BP with GLS, CIMT and carotid plaques was assessed using linear and logistic regression. Results Fifty (response rate 63%) individuals took part in this study. In univariable models, night-time systolic BP was significantly associated with GLS [beta coefficient 0.85 for every 10 mmHg increase, 95% confidence interval (CI): 0.3-1.4] and carotid plaques (odds ratio 1.9 for every 10 mmHg increase, 95% CI: 1.1-3.2). Univariable analysis of daytime systolic BP did not show any statistically significant associations. In age-adjusted and sex-adjusted models, the association for night-time systolic BP and GLS remained significant (beta coefficient 0.68 for every 10 mmHg increase, 95% CI: 0.1-1.3). The association for carotid plaques was no longer statistically significant. In multivariable models, findings were diminished. Discussion Our results suggest a trend towards an association between night-time systolic BP and subclinical cardiac and vascular disease. When assessing ambulatory blood pressure monitoring results, the absolute night-time systolic BP seems to be a better prognostic parameter than daytime systolic BP, but ultimately a large randomised controlled trial involving chronotherapy is necessary to fully address this. Copyright (C) 2017 Wolters Kluwer Health, Inc. All rights reserved. | en |
dc.description.sponsorship | Health Research Board (HPF/2012/14); Irish Heart Foundation (John Feely research bursary) | en |
dc.description.status | Peer reviewed | |
dc.description.version | Published Version | en |
dc.format.mimetype | application/pdf | en |
dc.identifier.citation | O’Flynn, A. M., Ho, E., Dolan, E., Curtin, R. J. and Kearney, P. M. (2017) 'The association of night-time systolic blood pressure with ultrasound markers of subclinical cardiac and vascular disease', Blood Pressure Monitoring, 22(1), pp. 18-26. doi: 10.1097/MBP.0000000000000223 | en |
dc.identifier.doi | 10.1097/MBP.0000000000000223 | |
dc.identifier.endpage | 26 | |
dc.identifier.issn | 1359-5237 | |
dc.identifier.issued | 1 | |
dc.identifier.journaltitle | Blood Pressure Monitoring | en |
dc.identifier.startpage | 18 | |
dc.identifier.uri | https://hdl.handle.net/10468/6342 | |
dc.identifier.volume | 22 | |
dc.language.iso | en | en |
dc.publisher | Lippincott, Williams & Wilkins | en |
dc.relation.uri | https://journals.lww.com/bpmonitoring/Fulltext/2017/02000/The_association_of_night_time_systolic_blood.4.aspx | |
dc.rights | © 2017, the Authors. This is an open-access article distributed under the terms of the Creative Commons Attribution-Non Commercial-No Derivatives License 4.0 (CCBY-NC-ND), where it is permissible to download and share the work provided it is properly cited. The work cannot be changed in any way or used commercially without permission from the journal. http://creativecommons.org/licenses/by-nc-nd/4.0/ | en |
dc.rights.uri | https://creativecommons.org/licenses/by-nc-nd/4.0/ | |
dc.subject | Ambulatory blood pressure monitoring | en |
dc.subject | Carotid intima-media thickness | en |
dc.subject | Global longitudinal strain | en |
dc.subject | Hypertension | en |
dc.subject | Ultrasonography | en |
dc.title | The association of night-time systolic blood pressure with ultrasound markers of subclinical cardiac and vascular disease | en |
dc.type | Article (peer-reviewed) | en |
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