Validation of the HL868ED upper-arm blood pressure monitor for clinical use and self-measurement according to the European Society of Hypertension International Protocol revision 2010

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Objective:The aim of this study was to evaluate the accuracy of the automated oscillometric upper arm blood pressure monitor HL868ED for clinical use and self-measurement according to the International Protocol of the European Society of Hypertension revision 2010.Method:Systolic and diastolic blood pressure were measured sequentially in 43 adult Chinese (21 women, mean age 51.7 years) using a mercury sphygmomanometer (two observers) and the HL868ED device (one supervisor). A total of 99 pairs of comparisons were obtained from 43 participants for judgements in two parts with three grading phases.Results:The HL868ED device achieved the targets in part 1 of the validation study. The number of absolute differences between device and observers within 5, 10 and 15 mmHg was 68/99, 91/99 and 97/99, respectively, for systolic blood pressure and 85/99, 95/99 and 99/99, respectively, for diastolic blood pressure. The device also fulfilled the criteria in part 2 of the validation study. Twenty-four and 30 participants for systolic and diastolic blood pressure, respectively, had at least two of the three device-observer differences within 5 mmHg (required ≥24). Three participants for systolic and one participant for diastolic blood pressure had all the three device-observer comparisons greater than 5 mmHg.Conclusion:The Health & Life blood pressure monitor HL868ED has passed the requirements of the International Protocol revision 2010 and hence can be recommended for blood pressure measurements in adults.

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