Validation of Panasonic EW3106 and EW3109 devices for blood pressure measurement according to the International Protocol

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Abstract

To determine the accuracy of the EW3106 and EW3109 devices for blood pressure measurement at the upper arm developed by Panasonic. Device evaluations were performed according to the European Society of Hypertension requirements, which are based on four zones of accuracy differing from the mercury standard by 5, 10, 15 mmHg, or more. Both devices passed all three phases of the protocol for systolic blood pressure (SBP) and diastolic blood pressure (DBP). Mean blood pressure difference between the EW3106 monitor and observers was −0.9±5.8 mmHg for SBP and 0.1±4.8 mmHg for DBP. Mean differences for the EW3109 monitor were −2.1±6.5 mmHg and −0.3±4.7 mmHg, respectively. In multivariable analyses, the SBP and DBP discrepancies between both devices and observers were unrelated to age and arm circumference, and were inversely related to blood pressure level. These data show that the Panasonic EW3106 and EW 3109 monitors satisfy the recommended European Society of Hypertension accuracy levels for SBP and DBP.

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