Journal
BLOOD PRESSURE MONITORING
Volume 23, Issue 3, Pages 171-174Publisher
LIPPINCOTT WILLIAMS & WILKINS
DOI: 10.1097/MBP.0000000000000315
Keywords
automated device; hypertension; Microlife WatchBP Home; oscillometric; pre-eclampsia; pregnancy; validation
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Funding
- National Institute for Health Research (NIHR) Biomedical Research Centre at Guy's and St Thomas' NHS Foundation Trust
- King's College, London
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ObjectiveThe Microlife WatchBP Home automated blood pressure device was assessed for accuracy in pregnant women of medium (<32cm) and large (32cm) arm circumference.Materials and methodsThe British Hypertension Society validation protocol was modified for the purpose of this study to include women with arm circumference of less than 32cm (N=51) and greater than or equal to 32cm (N=46) as two separate arms.ResultsThe device achieved an overall A/A grade for medium arm circumference and B/A grade for large arm circumference. The meanSD device-observer difference was 1.7 +/- 6.2 and -0.4 +/- 4.4 for systolic and diastolic blood pressure, respectively, for medium arm circumference and 3.0 +/- 8.5 and 1.5 +/- 5.1, respectively, for large arm circumference. When all women with pre-eclampsia from both groups were pooled (N=23), the device achieved an overall grade of A/A with mean differences of 2.1 +/- 7.2 for systolic blood pressure and 1.0 +/- 5.6 for diastolic blood pressure.ConclusionThe Microlife WatchBP Home automated blood pressure device can be recommended for use in pregnant women of all gestations, including those with pre-eclampsia. However, caution is needed for women with large arm circumferences. Copyright (c) 2018 Wolters Kluwer Health, Inc. All rights reserved.
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