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The bleeding time: current practice in the UK.

L Poller, J M Thomson, J A Tomenson

    Clinical and Laboratory Haematology
    |January 1, 1984
    PubMed
    Summary
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    A survey of 358 UK centers reveals significant variability in bleeding time test practices. The Ivy test is most common, but techniques and interpretation differ, impacting results and reliability.

    Area of Science:

    • Clinical Pathology
    • Hematology
    • Diagnostic Testing

    Background:

    • The bleeding time test is a crucial diagnostic tool for assessing hemostasis.
    • Standardization of bleeding time test protocols is essential for accurate and reproducible results.
    • External Quality Assessment Schemes play a vital role in monitoring laboratory practices.

    Purpose of the Study:

    • To evaluate current practices and identify variations in the bleeding time test across UK laboratories.
    • To assess the adherence to standardized protocols and identify areas for improvement in bleeding time testing.
    • To provide data for enhancing the quality and reliability of bleeding time test results.

    Main Methods:

    • A questionnaire survey was distributed by the UK External Quality Assessment Scheme in blood coagulation.

    Related Experiment Videos

  • 358 laboratories completed the survey detailing their bleeding time test procedures.
  • Data collected included test methods used, template utilization, incision parameters, endpoint interpretation, and upper limits of normality.

    • Main Results:

    • 88.5% of centers perform bleeding time tests, with the Ivy test being the most prevalent (13.6% use the Duke method).
    • Approximately 50% of hospitals use templates, but significant variability exists in incision depth and endpoint interpretation.
    • Upper limits of normality differ considerably between centers for both Ivy and Duke methods, with 'Simplate' showing some inter-center agreement.

    Conclusions:

    • Considerable discrepancies in bleeding time test techniques and interpretation were identified across UK centers.
    • Standardization efforts are needed to address the variability in bleeding time test performance.
    • Further investigation into the reliability of methods like 'Simplate' is warranted to improve diagnostic accuracy.