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[Peri-Operative Anaphylaxis - Antiquated Customs and News Towards the Culprits]
Laryngo- Rhino- Otologie
|November 3, 2022
Summary
Perioperative anaphylaxis, a rare surgical complication, involves new triggers like chlorhexidine and blue dyes. Understanding these diverse causes is crucial for patient safety during surgery.
Area of Science:
- Anesthesiology and Immunology
- Allergy and Immunology
Context:
- Perioperative anaphylaxis affects approximately 1 in 6000 surgical procedures.
- Recent research expands the understanding of anaphylaxis pathophysiology beyond IgE-mediated reactions.
- New potential triggers include chlorhexidine, gelatin hemostatics, and surgical dyes.
Purpose:
- To update the understanding of perioperative anaphylaxis.
- To highlight emerging causes and pathophysiological mechanisms.
- To inform clinical practice regarding patient allergies and anesthetic choices.
Summary:
- Perioperative anaphylaxis involves both traditional IgE-mediated and newer mast cell/complement-activated pathways.
- Emerging culprits include chlorhexidine, gelatin, and blue surgical dyes.
- Biphasic reactions are a consideration, and propofol is now considered safe for patients with egg or soybean allergies.
Impact:
- Improved recognition and management of perioperative anaphylaxis.
- Enhanced patient safety through awareness of novel allergens.
- Guidance on anesthetic choices for allergic patients, particularly regarding propofol.
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