OBJECTIVE: To establish the accuracy the Welch Allyn 'Vital Signs' blood pressure monitor in pregnancy and @entity1468 according to a modified British @entity101 Society protocol. DESIGN: Prospective observational study. SETTING: Maternity Unit/Obstetric Ward, Guy's and St Thomas' Hospital, London, UK. POPULATION: Forty-three pregnant @entity1 of whom 12 had @entity1468 . METHODS: Nine sequential same-arm measurements were taken from each @entity1 by two trained observers, alternating between a @entity349 sphygmomanometer and the device. The last seven readings were analysed according to the British @entity101 Society protocol. The accuracy of the device was determined using the grading scale indicated by the British @entity101 Society protocol (grade A/B = pass, grade C/D = fail). MAIN OUTCOME MEASURES: Grading criteria of the British @entity101 Society Protocol. RESULTS: The Welch Allyn 'Vital Signs' monitor achieved a grade A for both systolic and diastolic pressures in pregnant @entity1 who did not have @entity1468 . In those @entity1 with @entity1468 , it achieved a grade D and B for systolic and diastolic pressures, respectively. The mean differences between the observers and the device in @entity1 without @entity1468 were -2.6 (6.4) and -1.5 (7.2) mmHg for systolic and diastolic pressures [and in pre-eclamptic @entity1 -7.8 (6.3) and -5.5 (6.5)mmHg]. It therefore fulfils criteria set by the Association for the Advancement of Medical Instrumentation (mean <5 mmHg and standard deviation <8 mmHg) in pregnancy, but not in @entity1468 . CONCLUSION: This is the first automated device suitable for robust clinical use that can be recommended for use in pregnancy. However, it should be borne in mind that-similar to other devices--it significantly under--recorded readings obtained in pre-eclamptic @entity1 .

Validation of the Welch Allyn 'Vital Signs' blood pressure measurement device in pregnancy and XXXX .

@entity1 :: ('9606', 'Species') :: ['women', 'woman'] @entity349 :: ('MESH:D008628', 'Chemical') :: ['mercury'] @entity1468 :: ('MESH:D011225', 'Disease') :: ['pre-eclampsia'] @entity101 :: ('MESH:D006973', 'Disease') :: ['Hypertension']
@entity1468 :: (MESH:D011225,Disease) :: ['pre-eclampsia']
