Abstract
Validation of blood pressure (BP) monitors in pregnant women are needed to ensure the accurate measurement of BP in pregnancy. Therefore the study aimed to evaluate the measurement accuracy of the G.LAB MD41A0 oscillometric automatic upper-arm blood pressure monitor in pregnancy and pre-eclampsia women according to the AAMI/ESH/ISO Universal Standard (ISO 81060-2:2018). A total of 45 pregnant women were included in the cross-sectional validation study. The same left-arm sequential method was used for blood pressure measurement, and the blood pressure differences between the test device and the mercury standard reference were assessed according to the AAMI/ESH/ISO Universal Standard. The participants included 15 normotensives, 15 gestational hypertension and 15 pre-eclampsia. The average (mean ± SD) differences between the device and mercury standard was -0.84±3.88mmHg and -0.58±3.35mmHg for systolic and diastolic blood pressure, respectively, for the validation Criterion 1. The SD of the averaged differences between the device and reference readings per participant was 2.92mmHg and 2.28mmHg for systolic and diastolic blood pressure, respectively, for the Criterion 2 of the universal standard. The G.LAB MD41A0 automatic upper-arm blood pressure monitor fulfills the criteria of the AAMI/ESH/ISO Universal Standard and can be recommended for clinical use and self-measurement in pregnancy and pre-eclampsia.
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