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Comparison between pulse wave velocities measured using Complior and measured using Biopac.

Abstract：

:Arterial stiffness is a reliable prognostic parameter for cardiovascular diseases. The effect of change in arterial stiffness can be measured by the change of the pulse wave velocity (PWV). The Complior system is widely used to measure PWV between the carotid and radial arteries by means of piezoelectric clips placed around the neck and the wrist. The Biopac system is an easier to use alternative that uses ECG and simple optical sensors to measure the PWV between the heart and the fingertips, and thus extends a bit more to the peripheral vasculature compared to the Complior system. The goal of this study was to test under various conditions to what extent these systems provide comparable and correlating values. 25 Healthy volunteers, 20-30 years old, were measured in four sequential position: sitting, lying, standing and sitting. The results showed that the Biopac system measured consistently and significantly lower PWV values than the Complior system, for all positions. Correlation values and Bland-Altman plots showed that despite the difference in PWV magnitudes obtained by the two systems the measurements did agree well. Which implies that as long as the differences in PWV magnitudes are taken into account, either system could be used to measure PWV changes over time. However, when basing diagnosis on absolute PWV values, one should be very much aware of how the PWV was measured and with what system.

journal_name

J Clin Monit Comput

journal_title

Journal of clinical monitoring and computing

authors

van Velzen MHN,Stolker RJ,Loeve AJ,Niehof SP,Mik EG

doi

10.1007/s10877-018-0165-9

subject

Has Abstract

pub_date

2019-04-01 00:00:00

pages

241-247

issue

2

eissn

1387-1307

issn

1573-2614

pii

10.1007/s10877-018-0165-9

journal_volume

33

pub_type

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