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Complete atrioventricular block as a complication of varicella in children

Tomohiro Katsuta1, Hitoshi Kato, Yukihiro Kaneko

  • 1Division of Infectious Diseases, Department of Medical Specialties, National Center for Child Health and Development, Tokyo, Japan.

The Pediatric Infectious Disease Journal
|November 16, 2010
PubMed

Insights

Varicella (chickenpox) can cause serious heart complications, even in children. A 15-month-old boy needed a pacemaker due to varicella-induced heart block, highlighting the need for vaccination.

Area of Science:

  • Pediatrics
  • Cardiology
  • Infectious Diseases

Background:

  • Varicella (chickenpox) is generally a mild childhood illness.
  • However, severe complications, including cardiac issues, can arise.
  • Japan has endemic varicella, with vaccination not yet universal.

Observation:

  • A 15-month-old boy contracted varicella.
  • He developed a complete atrioventricular block.
  • This cardiac complication necessitated a permanent pacemaker.

Findings:

  • Varicella infection led to complete atrioventricular block in a pediatric patient.
  • The condition required invasive cardiac intervention (permanent pacemaker).
  • This case underscores the potential for severe cardiac sequelae from varicella.

Implications:

  • Universal varicella vaccination is crucial to prevent severe complications like heart block.
  • Implementing widespread vaccination can mitigate potentially fatal outcomes.
  • Public health strategies should emphasize varicella prevention in endemic regions like Japan.

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