Measurement Repeatability of Central and Peripheral Blood Pressures: The ARIC Study

American Journal of Hypertension
Fran YongHirofumi Tanaka

Abstract

Central systolic and pulse pressures are markers of risk for small vessel disease in the brain and kidneys. The extent to which these markers are reproducible in the setting of population studies is less well established. We estimated short-term repeatability of central systolic and pulse pressures, and those of their peripheral measures for comparison. Participants aged 65 years and over (n = 79, 56% women) were drawn from the 2011-2013 examination of the ARIC cohort. Measurements were obtained with automated devices in the supine position, except for conventional sitting pressures, from paired measurements at each of 2 visits separated by 4 to 8 weeks. Three-level variance component models with between-participant, between-visit, and within-visit components estimated reliability metrics. Mean central systolic and pulse pressures were higher than conventional brachial measures, yet their 4 to 8 week measurement repeatability was similar: reliability coefficients were 0.62 (95% confidence interval: 0.49, 0.74) and 0.63 (0.51, 0.76) for central and sitting brachial systolic pressures, and 0.66 (0.54. 0.77) and 0.73 (0.63, 0.82) for their corresponding pulse pressures. Between-participant variation contributed to two-thirds of th...Continue Reading

References

Jun 14, 2003·The American Journal of Cardiology·Miriam Y Cortez-CooperHirofumi Tanaka
Jun 25, 2003·Journal of Human Hypertension·R T NeteaTh Thien
May 14, 2005·Journal of Electrocardiology·Georgeta D VaideanPentti M Rautaharju
Apr 23, 2008·Hypertension·Carmel M McEnieryUNKNOWN Anglo-Cardiff Collaborative Trial Investigators
Jan 10, 2012·American Journal of Hypertension·Rachel E D ClimieJames E Sharman
Mar 10, 2012·Upsala Journal of Medical Sciences·Lars Berglund
Aug 28, 2012·Stroke; a Journal of Cerebral Circulation·Alastair J S WebbPeter M Rothwell
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Jul 15, 2015·Hypertension·Raymond R TownsendUNKNOWN American Heart Association Council on Hypertension
Jul 15, 2015·Current Hypertension Reports·Vanessa Bell, Gary F Mitchell

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