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Updated: Nov 22, 2025

Measuring Local Anaphylaxis in Mice
Published on: October 14, 2014
A 2-year-old girl with periprocedural anaphylaxis
Timothy G Chow1, Jennifer McConnell2, Min Jung Lee1
1From the Division of Allergy and Immunology, Department of Pediatrics, University of Texas Southwestern Medical Center, Dallas, Texas; and.
Periprocedural anaphylaxis, a rare event during sedation, can be triggered by various medications. This review covers differential diagnosis and lab tests for identifying causative agents like antibiotics or neuromuscular blockers.
Area of Science:
- Anesthesiology and Critical Care Medicine
- Clinical Immunology
- Pharmacology
Background:
- Periprocedural or perioperative anaphylaxis is a rare but serious adverse event during medical procedures.
- The estimated incidence ranges from 1 in 10,000 to 40,000 sedation cases.
- Patients undergoing procedures are exposed to multiple medications, increasing the risk of allergic reactions.
Observation:
- Commonly implicated agents include antibiotics in the United States and neuromuscular blocking agents in Europe.
- The differential diagnosis involves considering various drug classes administered during procedures.
- Laboratory investigations are crucial for identifying the specific causative agent.
Findings:
- Anaphylaxis during procedures necessitates a thorough diagnostic approach.
- Identifying the trigger is essential for preventing future reactions and guiding patient management.
- This article focuses on the diagnostic pathway for periprocedural anaphylaxis.
Implications:
- Accurate diagnosis of periprocedural anaphylaxis improves patient safety and outcomes.
- Understanding common triggers aids in risk assessment and preventative strategies.
- Enhanced diagnostic protocols can lead to more targeted treatment and management of allergic reactions.
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