Key result
The Microlife 3AS1-2 blood pressure device achieved B/A grade accuracy in pregnancy and pre-eclampsia, with mean differences of -3.8 ± 7.3 mmHg (systolic) and -1.5 ± 6.2 mmHg (diastolic).
Why the study?
Does the Microlife 3AS1-2 blood pressure device provide accurate measurements in pregnant women, including those with pre-eclampsia?
Observational (n=45)
No
Does the Microlife 3AS1-2 blood pressure device provide accurate measurements in pregnant women, including those with pre-eclampsia?
Mean Difference: -3.8
The Microlife 3AS1-2 device is accurate for blood pressure measurement in pregnancy and pre-eclampsia, meeting WHO requirements for low-resource settings.
Supports device accuracy in pregnancy; leaves open routine adoption pending prospective validation.
OBJECTIVES: To assess the accuracy of the Microlife 3AS1-2 blood pressure device in pregnancy and pre-eclampsia in a low-resource setting. METHODS: Prospective validation according to the British Hypertension Society protocol. A total of 45 pregnant women were recruited from Kimberley Hospital (South Africa), of whom 15 had pre-eclampsia. RESULTS: The Microlife 3AS1-2 device achieved an overall B/A grade in pregnancy (including pre-eclampsia), passing the British Hypertension Society protocol requirements and achieving the International Organization for Standardization standard with a mean difference and SD of -3.8 ± 7.3 and -1.5 ± 6.2 mmHg for systolic and diastolic pressures, respectively. CONCLUSION: The Microlife 3AS1-2 device can be recommended for use in pregnancy, including pre-eclampsia. In addition, it fulfils the requirements stipulated by the WHO for an automated blood pressure device suitable for use in a low-resource setting. This makes it the ideal device for antenatal clinics and primary healthcare facilities in low-income and middle-income countries.
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Nathan et al. (2014) conducted an observational in Pregnancy and pre-eclampsia (n=45). Microlife 3AS1-2 blood pressure device was evaluated on Accuracy according to the British Hypertension Society protocol and International Organization for Standardization standard (MD -3.8). The Microlife 3AS1-2 blood pressure device achieved B/A grade accuracy in pregnancy and pre-eclampsia, with mean differences of -3.8 ± 7.3 mmHg (systolic) and -1.5 ± 6.2 mmHg (diastolic).
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