OBJECTIVE: To evaluate the accuracy of the OMRON-MIT inflationary oscillometric device for blood pressure measurement in pregnancy and pre-eclampsia. DESIGN: Prospective observational study, using validation methods recommended by the British Hypertension Society (BHS) and the Association for the Advancement of Medical Instrumentation (AAMI). SETTINGS: Antenatal clinics and ward, Guy's Hospital, London. POPULATION: Normotensive pregnant women and those diagnosed with pre-eclampsia according to the definition of the International Society for the Study of Hypertension in Pregnancy. METHODS: Validation according to BHS protocol. MAIN OUTCOME MEASURES: Proportion of readings within 5, 10 and 15 mmHg (absolute differences) between the automated device and two trained, blinded observers, according to the BHS and AAMI criteria. RESULTS: The OMRON-MIT achieved an overall BHS grade B for systolic and grade A for diastolic blood pressure measurement in both pregnancy and pre-eclampsia. The mean (SD) differences between the standard and the test device were -5 (7) mmHg for systolic and 2 (6) mmHg for diastolic blood pressure in pregnancy and -4 (6) mmHg for systolic and 2 (7) mmHg for diastolic blood pressure in pre-eclampsia. This device therefore fulfils the AAMI criteria. CONCLUSION: The OMRON-MIT is the only automated oscillometric device that has proven to be accurate for blood pressure measurement in pre-eclampsia according to the BHS protocol in pregnancy. Inflationary oscillometry may correct the error associated with oscillometric devices in pre-eclampsia.
OBJECTIVE: To evaluate the accuracy of the OMRON-MIT inflationary oscillometric device for blood pressure measurement in pregnancy and pre-eclampsia. DESIGN: Prospective observational study, using validation methods recommended by the British Hypertension Society (BHS) and the Association for the Advancement of Medical Instrumentation (AAMI). SETTINGS: Antenatal clinics and ward, Guy's Hospital, London. POPULATION: Normotensive pregnant women and those diagnosed with pre-eclampsia according to the definition of the International Society for the Study of Hypertension in Pregnancy. METHODS: Validation according to BHS protocol. MAIN OUTCOME MEASURES: Proportion of readings within 5, 10 and 15 mmHg (absolute differences) between the automated device and two trained, blinded observers, according to the BHS and AAMI criteria. RESULTS: The OMRON-MIT achieved an overall BHS grade B for systolic and grade A for diastolic blood pressure measurement in both pregnancy and pre-eclampsia. The mean (SD) differences between the standard and the test device were -5 (7) mmHg for systolic and 2 (6) mmHg for diastolic blood pressure in pregnancy and -4 (6) mmHg for systolic and 2 (7) mmHg for diastolic blood pressure in pre-eclampsia. This device therefore fulfils the AAMI criteria. CONCLUSION: The OMRON-MIT is the only automated oscillometric device that has proven to be accurate for blood pressure measurement in pre-eclampsia according to the BHS protocol in pregnancy. Inflationary oscillometry may correct the error associated with oscillometric devices in pre-eclampsia.
Authors: Natalie A Bello; Jonathan J Woolley; Kirsten Lawrence Cleary; Louise Falzon; Bruce S Alpert; Suzanne Oparil; Gary Cutter; Ronald Wapner; Paul Muntner; Alan T Tita; Daichi Shimbo Journal: Hypertension Date: 2017-12-11 Impact factor: 10.190
Authors: Lise Loerup; Rebecca M Pullon; Jacqueline Birks; Susannah Fleming; Lucy H Mackillop; Stephen Gerry; Peter J Watkinson Journal: BMC Med Date: 2019-09-11 Impact factor: 8.775