Perioperative anaphylaxis in children and first successful cisatracurium desensitization

Sophie H Y Lai1,2, Rowena S M Lee3, Crystal K Lam4

  • 1Department of Paediatrics and Adolescent Medicine, Queen Mary Hospital, Hong Kong Special Administrative Region, China.

Insights

Perioperative anaphylaxis in children is often caused by neuromuscular blocking agents (NMBAs) and beta-lactam antibiotics. Skin testing effectively identifies culprits, and successful desensitization to cisatracurium was achieved.

Area of Science:

  • Anesthesiology
  • Pediatric Allergy and Immunology
  • Clinical Pharmacology

Background:

  • Perioperative anaphylaxis (PA) is a rare but severe complication of anesthesia in children.
  • Diagnosing PA and identifying causative agents is challenging due to limited drug provocation testing (DPT).
  • Desensitization protocols for pediatric PA are not previously reported.

Purpose of the Study:

  • To evaluate diagnostic testing for pediatric PA.
  • To identify common causative agents in pediatric PA.
  • To report the first successful desensitization to cisatracurium in a pediatric patient.

Main Methods:

  • Retrospective review of medical records for pediatric patients (≤18 years) with PA (2019-2024).
  • Analysis of serum tryptase levels, skin testing (ST), and basophil activation testing (BAT).
  • Detailed description of the desensitization protocol for cisatracurium.

Main Results:

  • Neuromuscular blocking agents (NMBAs) (70%) and beta-lactam antibiotics (20%) were the most frequent culprits.
  • Skin testing (ST) identified the culprit in 90% of cases.
  • Successful desensitization to cisatracurium was achieved in one patient with limited drug options.

Conclusions:

  • NMBAs are the primary cause of PA in children, identified effectively by ST.
  • Serum tryptase levels correlate with PA, and BAT serves as an adjunct diagnostic tool.
  • Desensitization to cisatracurium is a viable option for pediatric patients with limited treatment alternatives.
Abstract

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