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Blood pressure in children aged 4-8 years: comparison of OMRON HEM 711 and sphygmomanometer blood pressure measurements.
  1. Paula C Midgley (paula.midgley{at}ed.ac.uk)
  1. Department of Reproductive and Developmental Medicine, University of Edinburgh, United Kingdom
    1. Barbara Wardhaugh
    1. Lothian University Hospitals NHS Trust (Royal Hospital for Sick Children, Edinburgh), United Kingdom
      1. Catherine Macfarlane
      1. Lothian University Hospitals NHS Trust (Royal Hospital for Sick Children, Edinburgh), United Kingdom
        1. Ruth Magowan
        1. Lothian University Hospitals NHS Trust (Royal Hospital for Sick Children, Edinburgh), United Kingdom
          1. Christopher J H Kelnar
          1. Lothian University Hospitals NHS Trust (Royal Hospital for Sick Children, Edinburgh), United Kingdom

            Abstract

            Background and objective: The aims of this study were to collect normal data on blood pressure in healthy children aged 4-8 and to compare measurements of blood pressure made in the same subjects with a shygmomanometer and a portable automated oscillometric BP monitor ((OMRON HEM 711 with child cuff).

            Methods: Cross-sectional observational study of 764 children. BP measurements were made at school, using both a sphygmomanometer and an Omron HEM 711. Immediately after the BP measurement children were asked to state which device they preferred (if any).

            Results: Children had no preference for whether the sphygmomanometer or the Omron was used. Bland Altman plots showed a lack of consistency between the two methods of BP measurement. With systolic BP there was a trend for the Omron to underestimate when low, and overestimate when high.

            Conclusions: Children were equally distributed in their preference for BP device. There was a wide variation between the two methods of BP measurement, which suggests that comparison of automated BP measurements with normative data obtained by sphygmomanometer is not valid.

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