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Revista Colombiana de Cardiología

Print version ISSN 0120-5633

Abstract

CHAVES, Ángel M et al. Construction and clinical validation of an automated measuring device for continuous non-invasive ambulatory blood pressure measurement. Rev. Colom. Cardiol. [online]. 2009, vol.16, n.1, pp.11-18. ISSN 0120-5633.

Introduction: ambulatory arterial pressure monitoring with biomedical devices is a useful and reliable method to diagnose hypertension. The aim of this study was to validate a new low cost Holter blood pressure monitor (MAPA-FCV) produced at the Fundación Cardiovascular de Colombia. Methods: the study was developed according to the guidelines for validation of automated blood pressure measuring devices of the Association for the Advancement of Medical Instrumentation (AAMI) and the British Hypertension Society (BHS). Three blood pressure measurements were taken in 85 healthy subjects in a 30 minutes period (every 10 minutes). Measurements were taken by one observer trained to measure blood pressure with a mercury column device, and were compared with those obtained with the automatic device. Results: mean systolic blood pressure obtained in the subjects was 115 ± 15 mmHg, and mean diastolic blood pressure was 71 ± 8 mmHg. The mean and standard deviation of the differences between the measurements obtained by the observer and those obtained with the automatic device were 0.63 ± 5.94 mmHg for systolic pressure and 0.17 ± 5.08 mmHg for diastolic pressure. In addition, about 93% of the differences between the ascultatory and MAPA-FCV were within 10 mmHg. Conclusions: in the present study a close agreement between systolic and diastolic pressure measurements obtained by the auscultatory method and the MAPA-FCV device was found. The data obtained show that the MAPA-FCV can be recommended for clinical use according to the guidelines of international entities.

Keywords : hypertension; blood pressure; validation; ambulatory blood pressure monitor.

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