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Related Experiment Videos

Infective endocarditis in newborn infants with structurally normal hearts

I K Mecrow1, E J Ladusans

  • 1St Mary's Hospital, Manchester, UK.

Acta Paediatrica (Oslo, Norway : 1992)
|January 1, 1994
PubMed
Summary

Neonatal infective endocarditis can occur on the right side of the heart, often without heart murmurs. Echocardiography is crucial for diagnosing these cases, especially in infants with central lines and positive blood cultures.

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Area of Science:

  • Pediatric Cardiology
  • Infectious Diseases
  • Neonatal Medicine

Background:

  • Neonatal infective endocarditis is a serious condition.
  • Intracardiac central lines are common in neonates for venous access.
  • Diagnosis can be challenging due to subtle or absent clinical signs.

Purpose of the Study:

  • To describe the characteristics of infective endocarditis in neonates with structurally normal hearts.
  • To evaluate the role of echocardiography in diagnosis.
  • To identify risk factors and outcomes.

Main Methods:

  • Retrospective review of twelve infants diagnosed with infective endocarditis.
  • Echocardiography for vegetation detection.
  • Blood cultures for pathogen identification.

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  • Review of clinical data and treatment outcomes.

    • Main Results:

    • All vegetations were right-sided, non-valvar, and located at the superior vena cava-right atrium junction.
    • Coagulase-negative staphylococci were the most common pathogen.
    • No cardiac murmurs were present in any infant.
    • Echocardiography identified intracardiac vegetations.
    • 67% of infants were successfully treated.

    Conclusions:

    • Echocardiography is essential for neonates with persistent positive blood cultures, especially those with intracardiac lines.
    • Right-sided, non-valvar infective endocarditis may have a better prognosis.
    • Prompt diagnosis and treatment are critical for favorable outcomes.