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Related Experiment Videos

[Platelet volume in essential thrombopenia].

F Le Tohic, R J Prost-Dvojakovic, R Le Menn

    Nouvelle Revue Francaise D'Hematologie
    |June 10, 1978
    PubMed
    Summary
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    Electronic platelet volume measurement using the Coulter Z BI Counter revealed altered distribution curves in thrombocytopenia. Platelet volume increases were observed in idiopathic thrombocytopenic purpura (ITP) and production failure cases.

    Area of Science:

    • Hematology
    • Biomedical Engineering
    • Laboratory Medicine

    Context:

    • Standardization of electronic platelet volume measurement using the Coulter Z BI Counter and Channelyser C 1000.
    • Investigation of platelet volume distribution in idiopathic thrombocytopenic purpura (ITP) and thrombocytopenia due to production failure.
    • Analysis of factors affecting platelet volume distribution curves, including small particles and residual red cells.

    Purpose:

    • To standardize and validate an electronic method for measuring platelet volume.
    • To analyze alterations in platelet volume distribution in various thrombocytopenic conditions.
    • To investigate the nature of interfering particles and their impact on platelet volume measurements.

    Summary:

    • The study standardized electronic platelet volume measurement and analyzed platelet-rich plasma (PRP) from patients with ITP and production failure.

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  • Abnormalities in platelet volume distribution curves were observed in 40 cases, linked to thrombopenia severity but independent of origin.
  • An albumin gradient method restored normal distribution in 24 cases, suggesting red cell fragments as potential interfering elements.

    • Impact:

    • The findings highlight the importance of accurate platelet volume measurement in diagnosing and understanding thrombocytopenia.
    • The study provides a refined method for platelet volume analysis, potentially improving diagnostic accuracy.
    • Further research, including cytoenzymologic studies, is recommended to confirm the nature of interfering particles.