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Blood Press Monit. 2007 Aug;12(4):233-42.

Validation of the Omron M5-I, R5-I and HEM-907 automated blood pressure monitors in elderly individuals according to the International Protocol of the European Society of Hypertension.

Author information

1
Italian Institute of Telemedicine, Varese, Italy.

Abstract

OBJECTIVE:

This study aimed at verifying the accuracy of three automated electronic oscillometric blood pressure measuring devices, namely Omron M5-I (home use upper arm monitor), R5-I (home use wrist monitor) and HEM-907 (professional use upper arm monitor) according to the European Society of Hypertension International Protocol in elderly individuals.

METHODS:

Sequential measurements of systolic and diastolic blood pressure were obtained in 33 participants (aged >or=75 years) using the mercury sphygmomanometer (two observers) and each of the tested devices (one supervisor). A standard adult cuff was always employed during the study because all participants had an arm circumference compatible with such a cuff. According to the European Society of Hypertension validation protocol 99 couples (three pairs per patient) of test device and reference blood pressure measurements were obtained during phase 1 (15 participants studied) and phase 2 (a further 18 participants) for each electronic monitor.

RESULTS:

All devices successfully passed the validation study with a mean (+/-SD) device-observer difference for systolic and diastolic blood pressure of 0.2+/-3.6/0.2+/-3.9 mmHg (Omron M5-I), -1.5+/-6.2/-0.7+/-3.7 mmHg (Omron R5-I), and 0.1+/-5.1/-1.9+/-4.2 mmHg (Omron HEM-907). SD of the mean difference was lower and thus the precision was better for diastolic than for systolic blood pressure, and for the Omron M5-I than for the other two devices.

CONCLUSIONS:

According to the results of the validation study based on the European Society of Hypertension International Protocol the Omron M5-I, R5-I, and HEM-907 may be recommended for clinical use in elderly individuals, without atrial fibrillation or frequent ectopic beats.

PMID:
17625396
DOI:
10.1097/MBP.0b013e32813fa386
[Indexed for MEDLINE]

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