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Related Experiment Videos

Anaphylaxis during the perioperative period.

David L Hepner1, Mariana C Castells

  • 1*Department of Anesthesiology, Perioperative and Pain Medicine, and †Allergy and Clinical Immunology Training Program, Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts.

Anesthesia and Analgesia
|October 23, 2003
PubMed
Summary

Anaphylaxis during anesthesia, a severe immune reaction, is often caused by muscle relaxants or latex. Prompt management with epinephrine and supportive care is crucial, with diagnostic testing aiding prevention of future episodes.

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Area of Science:

  • Anesthesiology
  • Immunology
  • Pharmacology

Background:

  • Anesthesia involves numerous drugs with potential dose-related side effects.
  • Severe immune-mediated adverse reactions, including anaphylaxis, can occur.
  • Anaphylaxis involves reexposure to an antigen and mediator release, while anaphylactoid reactions have non-immunologic triggers.

Purpose of the Study:

  • To review the causes, presentation, diagnosis, and management of anaphylaxis and anaphylactoid reactions in the perioperative setting.
  • To highlight the importance of identifying offending agents for preventing recurrence.

Main Methods:

  • Review of literature on perioperative anaphylaxis and anaphylactoid reactions.
  • Discussion of diagnostic methods including serum tryptase, skin testing, and serologic assays.

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  • Outline of management strategies including drug discontinuation, supportive care, and epinephrine administration.

    • Main Results:

    • Muscle relaxants and latex are the most common causes of perioperative anaphylaxis.
    • Symptoms can affect multiple organ systems, ranging from bronchospasm to cardiovascular collapse.
    • Serum tryptase aids diagnosis, while specific testing identifies the causative agent.

    Conclusions:

    • Perioperative anaphylaxis requires immediate recognition and management, prioritizing airway, breathing, and circulation.
    • Identifying the specific antigen through testing is essential for preventing potentially fatal recurrences.
    • Proactive strategies and awareness are key to minimizing morbidity and mortality associated with these reactions.