Evaluation of a community-based automated blood pressure measuring device

Lewis, Jacqueline E.; Boyle, Eleanor; Magharious, Lucy; Myers, Martin G.
April 2002
CMAJ: Canadian Medical Association Journal;4/30/2002, Vol. 166 Issue 9, p1145
Academic Journal
Background Automated devices are widely available in the community for people to measure their blood pressure. We assessed the accuracy and reproducibility of a brand of community-based automated device against the standard mercury sphygmomanometer. Methods Same-arm pairs of blood pressure readings were obtained with the Vita-Stat 90550 automated device, a sphygmomanometer and the Omron HEM-705CP automated device in random order on volunteers in 3 community pharmacies using a modified protocol for evaluating blood pressure devices. Comparison of readings between the Omron device and the sphygmomanometer served as a positive control of how well a laboratory-validated automated device could perform in the community. Both the Association for the Advancement of Medical Instrumentation (AAMI) and British Hypertension Society (BHS) criteria were used to assess the accuracy and reproducibility of readings. Results The mean blood pressure reading and standard error (SE) of the mean for the 108 volunteers (66 women and 42 men) was 133/77 (SE 2/1) mm Hg with the Vita-Stat device, 131/77 (SE 2/1) mm Hg with the Omron device and 129/76 (SE 2/1) mm Hg with the sphygmomanometer. The mean difference in readings was 4.4/1.0 (standard deviation [SD] 9.4/6.2) mm Hg between the Vita-Stat device and the sphygmomanometer and 1.6/0.6 (SD 9.3/6.4) mm Hg between the Omron device and the sphygmomanometer. Neither automated device met the AAMI accuracy criteria for the systolic readings. The BHS grades were C/A (systolic unacceptable/diastolic acceptable) for each automated device. According to the BHS analytical criterion, all devices achieved acceptable reproducibility grades. Interpretation Neither automated device met the AAMI or BHS criteria for accuracy while in use in the community, and neither performed as well in the community as in the laboratory.


Related Articles

  • Standards for blood pressure measuring devices. O'Brien, Eoin; Petrie, James C. // British Medical Journal (Clinical Research Edition);5/16/1987, Vol. 294 Issue 6582, p1245 

    Focuses on the establishment of the British Hypertension Society on blood pressure measurement. Recommendations and publication on the technique of measurement; Examination on the feasibility of minimal standards for all devices; Compliance on manufacturers to create equipment on good standards.

  • Mini BP cuff could disrupt surgical monitoring market. BROSKY, JOHN // Medical Device Daily;12/1/2008, Vol. 12 Issue 232, p1 

    The article features the CNAP Monitor 500 blood pressure monitoring device from CNSystems Medizintechnik.

  • Are pitfalls of oscillometric blood pressure measurements preventable in children? Butani, Lavjay; Morgenstern, Bruce Z. // Pediatric Nephrology;Apr2003, Vol. 18 Issue 4, p313 

    Discusses various devices used to measure blood pressure (BP) in children. Significance of BP measurements in children; Lack of uniformity in types of devices used to measure BP in children; Advantages of oscillometric devices over the conventional sphygmomanometry; Problems with oscillometric...

  • Manual and automated office measurements in relation to awake ambulatory blood pressure monitoring. Godwin, Marshall; Birtwhistle, Richard; Delva, Dianne; Lam, Miu; Casson, Ian; MacDonald, Susan; Seguin, Rachelle // Family Practice;Feb2011, Vol. 28 Issue 1, p110 

    Background. Automated blood pressure (BP) devices are commonly used in doctor’s offices. How BP measured on these devices relates to ambulatory BP monitoring is not clear.Objective. To assess how well office-based manual and automated BP predicts ambulatory BP.Methods. Using data on 654...

  • London School of Hygiene Sphygmomanometer.  // British Medical Journal;11/3/1979, Vol. 2 Issue 6198, p1125 

    Examines the dynamics of the London School of Hygiene sphygmomanometer in London, England. Function of the standard cuff; Procedure for eliminating observer bias and digit preference; Comparison of accuracy of the instrument with intra-arterial measurements.

  • The Hawkesley zero-muddling sphygmomanometer.  // British Medical Journal;11/3/1979, Vol. 2 Issue 6198, p1125 

    Examines the dynamics of the Hawkesley zero-muddling sphygmomanometer. Difference in operating procedures between the zero-muddling manometer and the conventional sphygmomanometer; Results of measuring the blood pressure using the instrument; Similarity of function of the instrument with that...

  • Welch Allyn ABPM 6100.  // GP: General Practitioner;4/28/2003, p82 

    Introduces Welch Allyn ABPM 6100 designed for 24-hour ambulatory blood pressure monitor. Features of the device; Pros and cons; Cost.

  • Worried well. Bates, Jane // Nursing Standard;5/30/2007, Vol. 21 Issue 38, p27 

    The article discusses the author's experience in using home blood pressure kits. She relates on an incident about a patient who argued with her about blood pressure readings because hers did not match with the patient's readings using home blood pressure kits. Moreover, she relates on a...

  • Clinical: Viewpoint - Benefits of electronic BP measurement. McManus, Richard // GP: General Practitioner;1/20/2006, p51 

    The article reflects on the performance of electronic BP monitors, which now equal or better mercury ones on most counts. Mercury sphygmomanometers have been in use for about 100 years. Over the past decade, electronic sphygmomanometers have begun to replace them, partly due to concerns...


Read the Article


Sorry, but this item is not currently available from your library.

Try another library?
Sign out of this library

Other Topics