[Infectious mitral endocarditis after radiofrequency catheter ablation of a left lateral accessory pathway]

F Benito Bartolomé1, C Sánchez Fernández-Bernal

  • 1Unidad de Arritmias, Laboratorio de Electrofisiología Clínica Cardíaca, Hospital Universitario La Paz, Madrid. fbenito@gmx.net

Insights

Radiofrequency ablation for Wolff-Parkinson-White syndrome in a child led to serious complications including endocarditis and stroke. This case highlights the risks associated with repeated use of sterilized catheters.

Area of Science:

  • Pediatric Cardiology
  • Infectious Diseases
  • Interventional Electrophysiology

Background:

  • Wolff-Parkinson-White syndrome can cause life-threatening arrhythmias in children.
  • Radiofrequency ablation is a common treatment for accessory pathways.
  • Sterilization and reuse of medical devices require careful consideration.

Observation:

  • A 2-year-old child with Wolff-Parkinson-White syndrome underwent radiofrequency ablation.
  • The patient developed Staphylococcus aureus infection, constrictive pericarditis, and brain embolism post-procedure.
  • Repeated use of ethylene oxide-sterilized catheters was noted.

Findings:

  • The patient experienced severe complications including infective endocarditis and embolic stroke.
  • Long-term sequelae included hemiparesis and mitral insufficiency.
  • The case suggests a potential link between catheter reuse and infectious complications.

Implications:

  • This case underscores the critical importance of infection control in pediatric electrophysiology.
  • It raises concerns about the safety of repeated sterilization and use of ablation catheters.
  • Further research into device-related infections and optimal sterilization protocols is warranted.

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