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Related Experiment Videos

CBC or not CBC? That is the question.

G P Young

    Annals of Emergency Medicine
    |March 1, 1986
    PubMed
    Summary

    The complete blood count (CBC) is frequently ordered but often not cost-effective due to inaccurate white blood cell (WBC) counts. These counts lack specificity and sensitivity, limiting their use in diagnosing infections and assessing disease severity.

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    Area of Science:

    • Clinical pathology
    • Laboratory medicine
    • Emergency medicine

    Background:

    • The complete blood count (CBC) is a common laboratory test in emergency settings.
    • Current CBC (complete blood count) utilization may not be cost-effective.
    • White blood cell (WBC) and differential counts have limitations in accuracy.

    Purpose of the Study:

    • To evaluate the reliability and cost-effectiveness of CBC (complete blood count).
    • To explore variations in WBC (white blood cell) and differential counts.
    • To review literature on CBC (complete blood count) use in appendicitis and fever.

    Main Methods:

    • Literature review of pediatric and adult appendicitis cases.
    • Summary of laboratory, physiologic, and pathophysiologic causes of WBC (white blood cell) count variation.
    • Analysis of CBC (complete blood count) accuracy and cost-effectiveness.

    Main Results:

    • WBC (white blood cell) and differential counts lack specificity for distinguishing bacterial from viral infections.
    • WBC (white blood cell) and differential counts lack sensitivity for assessing disease severity.
    • The diagnostic and prognostic value of CBC (complete blood count) is limited in certain patient populations.

    Conclusions:

    • The routine use of CBC (complete blood count) in emergency departments needs re-evaluation for cost-effectiveness.
    • Further research is required to improve the reliability of WBC (white blood cell) and differential counts.
    • Alternative diagnostic strategies may be needed to overcome CBC (complete blood count) limitations.

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