期刊
BLOOD PRESSURE MONITORING
卷 20, 期 5, 页码 299-302出版社
LIPPINCOTT WILLIAMS & WILKINS
DOI: 10.1097/MBP.0000000000000134
关键词
blood pressure measurement; hypotension; low-resource setting; pregnancy; validation
资金
- Microlife Corporation
- Bill & Melinda Gates Foundation
- MRC [MR/N006240/1] Funding Source: UKRI
- Medical Research Council [MR/N006240/1] Funding Source: researchfish
- National Institute for Health Research [ACF-2009-17-019, DRF-2013-06-171, RP-2014-05-019] Funding Source: researchfish
ObjectiveTo assess the accuracy of the Microlife 3AS1-2 blood pressure (BP) device in pregnant women with low BP to investigate suitability for hypotensive detection in low-income and middle-income countries.MethodsA prospective observational study was carried out evaluating the Microlife 3AS1-2, a hand-held, upper-arm, semiautomated BP device, according to British Hypertension Society (BHS) protocol methods. Thirty (stable) pregnant women with a clinical systolic BP less than 100mmHg and/or diastolic BP less than 60mmHg were recruited from antenatal wards and clinics and their BP was measured by three trained observers at a district-level hospital in South Africa. Accuracy was assessed according to the BHS grading criteria (A/B=pass) and the ANSI/AAMI/ISO standard for mean difference and SD (58mmHg).ResultsThe device achieved an A/A grade according to the BHS grading criteria. The mean difference +/- SD between the observer and the test device was 0.5 +/- 6.2 and 1.3 +/- 5.4mmHg for systolic and diastolic BP, respectively, fulfilling the standard required by the ANSI/AAMI/ISO protocol. All observer differences were within 4mmHg.ConclusionAccording to the BHS protocol, the Microlife 3AS1-2 BP device is accurate in pregnant women with low BP. The device has been validated previously in pregnancy and pre-eclampsia and also fulfils the criteria of the WHO for use in a low-resource setting. Although unstable women were not included in this validation (for safety and pragmatic reasons), this device could potentially improve the detection of shock secondary to obstetric haemorrhage or sepsis, as well as being used in pre-eclampsia, particularly in low-income and middle-income countries.
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