Hypotension associated with azithromycin infusion in children with heart failure: a case report

Dominic Zanaboni1, Carolyn Vitale1

  • 1Division of Pediatric Cardiology, University of Michigan C.S. Mott Children's Hospital, Ann Arbor, MI, USA.

Insights

Intravenous azithromycin can cause acute hypotension in children with decompensated heart failure. This rare adverse reaction necessitates careful consideration when administering this antibiotic to pediatric patients with cardiac dysfunction.

Area of Science:

  • Pediatric Cardiology
  • Infectious Diseases
  • Pharmacology

Background:

  • Azithromycin is a commonly used antibiotic for various infections.
  • Mycoplasma myocarditis is an inflammation of the heart muscle in children, potentially caused by Mycoplasma bacteria.
  • Acute, decompensated heart failure indicates a severe weakening of the heart's ability to pump blood effectively.

Observation:

  • Two pediatric cases experienced acute hypotension (sudden drop in blood pressure) immediately following intravenous azithromycin administration.
  • Both children had acute, decompensated heart failure and were being treated for suspected Mycoplasma myocarditis.

Findings:

  • Hypotension is identified as a potentially rare adverse reaction to intravenous azithromycin in pediatric patients.
  • The observed adverse event occurred in the context of treating Mycoplasma myocarditis in children with pre-existing cardiac dysfunction.

Implications:

  • Clinicians should exercise caution when administering intravenous azithromycin to pediatric patients with cardiac dysfunction.
  • Further research is warranted to understand the mechanism and incidence of azithromycin-induced hypotension in this vulnerable population.
  • This finding highlights the importance of vigilant કાર્ડiac monitoring during antibiotic therapy in critically ill children.

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