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Methods for assessing blood pressure values in humans.

G Mancia

    Hypertension (Dallas, Tex. : 1979)
    |September 1, 1983
    PubMed
    Summary
    This summary is machine-generated.

    Standard blood pressure cuff measurements have limitations. Variability in patient blood pressure and the

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    Arterial distensibility and pulse pressure. Measurements and clinical significance in hypertension.

    Clinical and experimental hypertension (New York, N.Y. : 1993)·1999

    Area of Science:

    • Clinical Medicine
    • Epidemiology
    • Cardiovascular Research

    Background:

    • Blood pressure measurement commonly uses cuff inflation and Korotkoff sounds.
    • This method, while practical, has significant limitations impacting accuracy.
    • Understanding these limitations is crucial for reliable hypertension diagnosis and management.

    Purpose of the Study:

    • To identify and analyze key limitations of the cuff method for blood pressure measurement.
    • To investigate the impact of blood pressure variability and patient anxiety on measurement accuracy.
    • To explore alternative blood pressure monitoring techniques.

    Main Methods:

    • Analysis of 24-hour intraarterial blood pressure recordings in normotensive and hypertensive patients.
    • Observation of blood pressure changes during cuff measurement in a clinical setting.

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  • Review of alternative blood pressure monitoring technologies.

    • Main Results:

    • Significant long- and short-term blood pressure variability complicates accurate cuff readings.
    • Patient's blood pressure can rise due to an "alarm reaction" during measurement, leading to overestimation.
    • A 10-minute waiting period can mitigate the "alarm reaction" effect.

    Conclusions:

    • The cuff method's accuracy is challenged by inherent blood pressure variability and measurement-induced hypertension.
    • Alternative methods like ambulatory intraarterial monitoring and validated noninvasive devices show promise.
    • Further technical validation is needed for noninvasive automatic blood pressure devices.