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Von Willebrand's disease

D Green

    Postgraduate Medicine
    |March 1, 1980
    PubMed
    Summary
    This summary is machine-generated.

    Von Willebrand's disease is a bleeding disorder caused by a deficiency in von Willebrand factor, affecting platelet adhesion. Plasma cryoprecipitate infusion is a recommended therapy that temporarily corrects bleeding time and other symptoms.

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    Area of Science:

    • Hematology
    • Genetics
    • Internal Medicine

    Background:

    • Von Willebrand's disease is an inherited bleeding disorder.
    • It results from a deficiency or defect in von Willebrand factor (VWF).
    • VWF is crucial for platelet adherence to injured blood vessel walls.

    Purpose of the Study:

    • To describe the characteristics of Von Willebrand's disease.
    • To outline its clinical manifestations and laboratory findings.
    • To discuss the recommended therapeutic approach.

    Main Methods:

    • Review of the pathophysiology of Von Willebrand's disease.
    • Description of clinical symptoms including mucous membrane bleeding, excessive wound bleeding, and menorrhagia.
    • Summary of key laboratory abnormalities such as prolonged bleeding time and reduced factor VIII levels.

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    Main Results:

    • The disease manifests with spontaneous mucosal bleeding, heavy menstrual bleeding, and prolonged bleeding after injury.
    • Laboratory tests show prolonged skin bleeding time, reduced platelet retention, impaired ristocetin-induced platelet aggregation, and decreased factor VIII-related antigen and coagulant activity.
    • These findings are associated with VWF deficiency or defects.

    Conclusions:

    • Von Willebrand's disease is an autosomal bleeding disorder with characteristic clinical and laboratory features.
    • Plasma cryoprecipitate infusion is an effective short-term treatment.
    • This therapy temporarily normalizes bleeding time and resolves other manifestations.