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A new and simple method of quantifying the bleeding time.

E J Bernal-Hoyos, J P Caen

    Biomedicine / [Publiee Pour L'A.A.I.C.I.G.]
    |September 10, 1975
    PubMed
    Summary
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    Quantifying blood loss after skin trauma is crucial, as increased bleeding doesn't always mean prolonged bleeding time. This study presents a standardized method using a haemoglobinometer to measure blood loss accurately.

    Area of Science:

    • Hematology
    • Clinical Pathology
    • Hemostasis

    Background:

    • Bleeding time is a common measure of hemostasis.
    • Increased blood loss after trauma does not always correlate with prolonged bleeding times.
    • Accurate quantification of blood loss is essential for diagnosing and managing bleeding disorders.

    Purpose of the Study:

    • To report a standardized method for quantifying blood loss after skin trauma.
    • To highlight the utility of this method in investigating hemostatic disorders.
    • To demonstrate its application in evaluating transfusion efficacy.

    Main Methods:

    • Utilized a Coulter Counter model S for blood loss quantification.
    • Employed a standardized protocol for measuring hemoglobin concentration in wound exudate.

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  • Correlated measured blood loss with bleeding time in various patient cohorts.

    • Main Results:

    • Established a reliable method to quantify blood loss independent of bleeding time.
    • Demonstrated significant variations in blood loss among patients with different hemostatic disorders.
    • Showcased the method's sensitivity in assessing the effectiveness of transfusion interventions.

    Conclusions:

    • A standardized method for quantifying blood loss using hemoglobinometry is effective.
    • This technique provides a more comprehensive assessment of bleeding than bleeding time alone.
    • The method is valuable for diagnosing hemostatic disorders and guiding transfusion therapy.