Document Detail

Accuracy of oscillometric blood pressure monitoring in pregnancy and pre-eclampsia.
MedLine Citation:
PMID:  9091015     Owner:  NLM     Status:  MEDLINE    
OBJECTIVE: To assess the accuracy of the Omron HEM 705 CP oscillometric device for the measurement of blood pressure in pregnancy and pre-eclampsia. SETTING: Two teaching hospitals. PARTICIPANTS: Eighty-five pregnant women with a wide range of blood pressures, and 43 women with pre-eclampsia. METHODS: Evaluation was carried out according to the British Hypertension Society protocol, incorporating criteria of the Association for the Advancement of Medical Instrumentation (AAMI). RESULTS: Mean differences (device minus observer) for systolic blood pressure were -0.9 mmHg (SD 10) in normal pregnancy, and -2 mmHg (SD 10) in the women with pre-eclampsia. For diastolic blood pressure, Korotkoff phase V, the differences were -1.5 mmHg (SD 10), and -8 mmHg (SD 8) respectively; i.e. the device consistently under-read the diastolic blood pressure in pre-eclamptic women by a mean of 8 mmHg when compared with conventional sphygmomanometry. Korotkoff phase IV could not be accurately reproduced. According to the British Hypertension Society grading criteria, the device reached a 'B' grading in the 85 pregnant women. In pre-eclampsia only a 'C' grade was reached for systolic blood pressure, and 'D' grade for diastolic blood pressure. Accuracy criteria stipulated by the AAMI were not met in any situation. CONCLUSION: The Omron HEM 705 CP does not reach acceptable accuracy criteria for blood pressure measurement when compared with trained observers in women with pre-eclampsia, as judged by the British Hypertension Society Protocol. It also failed to meet the AAMI criteria, although the methodology stipulated by the AAMI may not be applicable to a pregnancy population.
M Gupta; A H Shennan; A Halligan; D J Taylor; M de Swiet
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Publication Detail:
Type:  Journal Article; Multicenter Study    
Journal Detail:
Title:  British journal of obstetrics and gynaecology     Volume:  104     ISSN:  0306-5456     ISO Abbreviation:  Br J Obstet Gynaecol     Publication Date:  1997 Mar 
Date Detail:
Created Date:  1997-04-10     Completed Date:  1997-04-10     Revised Date:  2004-11-17    
Medline Journal Info:
Nlm Unique ID:  7503752     Medline TA:  Br J Obstet Gynaecol     Country:  ENGLAND    
Other Details:
Languages:  eng     Pagination:  350-5     Citation Subset:  AIM; IM    
Institute of Obstetrics and Gynaecology, Royal Postgraduate Medical School, Queen Charlotte's and Chelsea Hospital, London, UK.
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MeSH Terms
Blood Pressure*
Blood Pressure Monitoring, Ambulatory / standards*
Observer Variation
Pre-Eclampsia / physiopathology*
Pregnancy / physiology*
Sensitivity and Specificity

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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