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Validation of the integration of technology that measures additional “vascular” indices into an ambulatory blood pressure monitoring system

Authors Kotovskaya Y, Kobalava Z, Orlov A

Received 4 February 2014

Accepted for publication 16 March 2014

Published 2 May 2014 Volume 2014:7 Pages 91—97


Checked for plagiarism Yes

Review by Single-blind

Peer reviewer comments 3

Yulia V Kotovskaya,1 Zhanna D Kobalava,1 Artemy V Orlov2

1Propedeutics Department, Peoples’ Friendship University of Russia, 2Competitive System Analysis Department (No 65), National Research Nuclear University MEPhI, Moscow, Russia

Background: The objective of this study was to validate the novel integration of oscillometric (Vasotens®) technology into a BPLab® ambulatory blood pressure (BP) monitoring system to measure central BP, the aortic augmentation index, and pulse wave velocity (PWV) compared with the recommended and widely accepted tonometric method.
Methods: The ARTERY Society guidelines for comparison of PWV measurement techniques were used as the basis for recruitment of 99 individuals (mean age 44±19 years, 52 males). The standard for comparison was the conventional “classic” SphygmoCor device.
Results: Accordance of the two methods was satisfactory (r=0.98, mean difference of 2.9±3.5 mmHg for central systolic BP; r=0.98, mean difference of −1.1±2.3 mmHg for central diastolic BP; r=0.83, mean difference of −2.6%±13% for aortic augmentation index; r=0.85, mean difference of 0.69±1.4 for PWV).
Conclusion: The performance of Vasotens algorithms using an oscillometric ambulatory BP monitoring system is feasible for accurate diagnosis, risk assessment, and evaluation of the effects of antihypertensive drugs.

Keywords: validation study, ambulatory, 24-hour, monitoring, arterial stiffness, pulse wave velocity, augmentation index, central blood pressure

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