Evaluating the use of a semiautomated cuff-oscillometric sphygmomanometer in the hypertension clinic

N. Prasad, N. M. Wheeldon, T. M. MacDonald

    Research output: Contribution to journalArticlepeer-review

    6 Citations (Scopus)

    Abstract

    Measuring blood pressure in the clinic setting is confounded by 'white coat' hypertension, observer bias and digit preference. In this study a semiautomatic blood pressure measuring device (the UA-751) was tested for its use as a reliable assessment of blood pressure and improved patient management in the hypertension clinic. Blood pressures were recorded in 156 patients and compared with physicians' readings measured using a standard mercury sphygmomanometer. The mean blood pressure differences between the two methods showed that the device gave consistently higher readings for both systolic (1.4-3.6 mmHg) and diastolic (3.6-3.8 mmHg) pressure, whether it was used before or after physician consultation. No reduction in 'white coat' hypertension was thus apparent. There was considerable variability between recordings made by the two methods on the same individual. Digit preference was apparent with physician readings, with zero recorded in 57.8% of systolic readings compared with 12.2% using the machine. Different management decisions would have been taken in 20 (13.6%) patients had the UA-751 recordings been used. The device is thus of no value in patient management in the setting of the hypertension clinic.

    Original languageEnglish
    Pages (from-to)307-309
    Number of pages3
    JournalBritish Journal of Clinical Practice
    Volume48
    Issue number6
    Publication statusPublished - 23 Nov 1994

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