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Med Devices (Auckl). 2014 May 2;7:91-7. doi: 10.2147/MDER.S61839. eCollection 2014.

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

Author information

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

Abstract

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:

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

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