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[Delayed hypersensitivity to heparins and heparinoids].

B Nicolie1, J C Bonneau, J Le Sellin

  • 1Laboratoire d'immuno-allergologie, CHU-49033 Angers, France.

Allergie Et Immunologie
|April 6, 2002
PubMed
Summary

Delayed hypersensitivity reactions to heparins and heparinoïds pose challenges for preventing thromboembolic diseases. Hirudins show no cross-reactivity, offering an alternative anticoagulant option.

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Area of Science:

  • Pharmacology
  • Immunology
  • Hematology

Background:

  • Thromboembolic disease prophylaxis commonly utilizes heparins and heparinoïds.
  • Delayed hypersensitivity reactions to these anticoagulants present a clinical challenge.
  • Alternative anticoagulant strategies are needed for patients with adverse reactions.

Observation:

  • Two clinical cases of delayed-type hypersensitivity to heparins and heparinoïds are presented.
  • Literature review on adverse reactions to low molecular weight heparins was conducted.
  • Cross-reactivity between heparins, heparinoïds, and hirudins was investigated.

Findings:

  • Delayed hypersensitivity reactions to heparins and heparinoïds are significant concerns in thromboembolic prophylaxis.
  • Hirudins demonstrated a lack of cross-reactivity with heparins and heparinoïds.

Related Experiment Videos

  • Low molecular weight heparins have associated adverse reactions that necessitate alternative treatments.

    • Implications:

    • Hirudins represent a viable alternative for anticoagulation in patients experiencing delayed hypersensitivity to heparins.
    • Understanding cross-reactivity is crucial for selecting safe and effective anticoagulant therapies.
    • Further research into alternative anticoagulants is warranted to manage heparin-induced hypersensitivity.