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Platelet function defects associated with hemorrhage or thrombosis

R L Bick1

  • 1Department of Oncology and Hematology, Presbyterian Hospital of Dallas, Texas.

The Medical Clinics of North America
|May 1, 1994
PubMed
Summary
This summary is machine-generated.

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Platelet dysfunction, both inherited and acquired, can cause bleeding. Prompt diagnosis and treatment, often with platelet transfusions, are crucial for managing hemorrhage, especially after trauma or surgery.

Area of Science:

  • Hematology
  • Clinical Medicine

Background:

  • Platelet dysfunction is a significant cause of hemorrhage, particularly acquired forms linked to trauma, surgery, or medications.
  • While hereditary platelet defects are rare, hereditary storage pool disease warrants suspicion in pediatric cases with specific clinical signs.

Purpose of the Study:

  • To review the causes, diagnosis, and management of platelet function defects.
  • To emphasize the importance of recognizing acquired platelet dysfunction, especially drug-induced forms.

Main Methods:

  • Literature review of platelet function disorders.
  • Discussion of diagnostic tools, including bleeding time and platelet aggregation tests.
  • Overview of therapeutic strategies.

Main Results:

Related Experiment Videos

  • Acquired platelet dysfunction, often drug-induced, is common and presents with bruising or mucosal bleeding.
  • Template bleeding time is a useful screening tool but not always reliable; aggregation studies are indicated in specific cases.
  • Platelet concentrate infusion is the primary treatment for significant bleeding.

Conclusions:

  • Prompt recognition of acquired platelet dysfunction is essential, especially in patients with bleeding after trauma or surgery.
  • Management involves addressing underlying causes, discontinuing offending drugs, and administering platelet transfusions as needed.