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Reproducibility of oscillometrically measured arterial stiffness indices : results of the SAPALDIA 3 cohort study
JournalArticle (Originalarbeit in einer wissenschaftlichen Zeitschrift)
 
ID 2997317
Author(s) Endes, Simon; Caviezel, Seraina; Dratva, Julia; Schaffner, Emmanuel; Schindler, Christian; Rothe, Thomas; Rochat, Thierry; Künzli, Nino; Probst-Hensch, Nicole; Schmidt-Trucksäss, Arno
Author(s) at UniBasel Dratva, Julia
Schaffner, Emmanuel
Schindler, Christian
Künzli, Nino
Probst Hensch, Nicole
Year 2015
Title Reproducibility of oscillometrically measured arterial stiffness indices : results of the SAPALDIA 3 cohort study
Journal Scandinavian Journal of Clinical and Laboratory Investigation
Volume 75
Number 2
Pages / Article-Number 170-6
Keywords Cardiovascular disease, oscillometry, pulse wave analysis, reproducibility, vascular stiffness
Abstract Abstract Background. There is an increasing interest in oscillometric arterial stiffness measurement for cardiovascular risk stratification. We assessed reproducibility of the cuff-based arterial stiffness measures cardio-ankle vascular index (CAVI), brachial-ankle pulse wave velocity (baPWV) and peripheral augmentation index (pAI) in a subsample of the second follow-up of the Swiss Cohort Study on Air Pollution and Lung and Heart Diseases in Adults (SAPALDIA 3). Methods. CAVI, baPWV and pAI were measured twice within 90 days in a representative subsample (n = 105) of SAPALDIA 3 with a mean age of 63 years (52.4% female). Results. The mean coefficient of variation for CAVI was 4.4%, baPWV 3.9%, and pAI 7.4%. The intraclass correlation coefficient ranged from 0.6 for pAI to 0.8 for CAVI, and 0.9 for baPWV. The mixed linear model revealed that 68.7%/80.1%/55.0% of the CAVI/baPWV/pAI variance was accounted for by the subject, 5.2%/8.1%/ > 0.01% by the fieldworker, 6.7%/7.8%/28.5% by variation between measurement days, and 19.4%/4%/16.5% by measurement error. Bland-Altman plots showed no particular dispersion patterns except for pAI. Conclusions. Oscillometric arterial stiffness measurement by CAVI and baPWV has proved to be highly reproducible in Caucasians. Results of the pAI showed lower reproducibility. CAVI and baPWV can be implemented as easy-to-apply arterial stiffness measures in population wide cardiovascular risk assessment in Caucasians.
Publisher Taylor & Francis
ISSN/ISBN 0036-5513 ; 1502-7686
edoc-URL http://edoc.unibas.ch/dok/A6357932
Full Text on edoc No
Digital Object Identifier DOI 10.3109/00365513.2014.993692
PubMed ID http://www.ncbi.nlm.nih.gov/pubmed/25594797
ISI-Number WOS:000350543700011
Document type (ISI) Journal Article, Multicenter Study
 
   

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