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Anaphylactic shock in a beta-blocked child: usefulness of isoproterenol

Mona Momeni1, Barbara Brui, Philippe Baele

  • 1Department of Anesthesiology, Cliniques Universitaires Saint-Luc, Brussels, Belgium. mona.momeni@clin.ucl.ac.be

Paediatric Anaesthesia
|August 9, 2007
PubMed

Insights

Children on beta-blockers face serious risks during anaphylaxis. A case study shows isoproterenol effectively treated severe bradycardia in a beta-blocked child experiencing anaphylactic shock resistant to standard treatments.

Area of Science:

  • Pediatric Cardiology
  • Anaphylaxis Management
  • Pharmacology

Background:

  • Beta-blocker medications are commonly prescribed for pediatric cardiovascular conditions.
  • Anaphylaxis, a severe allergic reaction, can cause life-threatening hemodynamic instability.
  • Children on beta-blockers may have an altered response to anaphylaxis triggers.

Observation:

  • A pediatric patient on beta-blockers experienced anaphylactic shock following aprotinin administration.
  • The patient developed severe bradycardia (slow heart rate).
  • Standard treatments, including intravenous epinephrine and fluid resuscitation, were ineffective.

Findings:

  • The anaphylactic shock and severe bradycardia were resistant to conventional therapies.
  • Isoproterenol, a beta-adrenergic agonist, was administered.
  • Isoproterenol successfully resolved the bradycardia and stabilized the patient's hemodynamics.

Implications:

  • This case highlights the potential for severe hemodynamic compromise in beta-blocked children during anaphylaxis.
  • It underscores the limitations of standard anaphylaxis treatments in this population.
  • Isoproterenol may be a crucial alternative treatment for managing refractory bradycardia in pediatric anaphylaxis when beta-blockers are involved.

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