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Related Experiment Videos

Factor XI deficiency and a platelet defect.

M Winter, J Needham, P Barkhan

    Haemostasis
    |January 1, 1983
    PubMed
    Summary
    This summary is machine-generated.

    This study identified a patient with factor XI deficiency and prolonged bleeding time, alongside deficient platelet factor 3. Both plasma and platelet transfusions were needed to correct bleeding, indicating coincidental inheritance of these coagulation defects.

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    Area of Science:

    • Hematology
    • Coagulation Disorders
    • Platelet Physiology

    Background:

    • Bleeding disorders can arise from deficiencies in coagulation factors or platelet dysfunction.
    • Factor XI deficiency is a known inherited bleeding disorder.
    • Platelet factor 3 is crucial for blood coagulation.

    Observation:

    • A patient presented with a lifelong, moderate bleeding tendency.
    • The patient exhibited concurrent factor XI deficiency and a prolonged bleeding time.
    • Significant deficiency in platelet factor 3 was noted, while other platelet functions were normal.

    Findings:

    • Infusion studies demonstrated that correction of hemostatic abnormalities required both fresh plasma and platelet concentrate.
    • This suggests the co-occurrence of factor XI deficiency and platelet factor 3 deficiency.

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  • The findings point towards the coincidental inheritance of these two distinct hemostatic defects.

    • Implications:

    • This case highlights the importance of comprehensive hemostatic evaluation in patients with bleeding tendencies.
    • Understanding the interplay between factor deficiencies and platelet function is critical for accurate diagnosis and management.
    • The findings contribute to the knowledge of rare inherited bleeding disorders and their complex presentations.