A patient with kawasaki disease showing severe tricuspid regurgitation and left ventricular dysfunction in the acute

T Shinohara1, Y Tanihira

  • 1Department of Pediatric Cardiology, Kinki University School of Medicine, 377-2 Ohno-Higashi, Osaka-Sayama, Osaka 589-8511, Japan.

Pediatric Cardiology
|February 8, 2003
PubMed

Insights

Kawasaki disease (KD) can cause severe heart problems, including tricuspid regurgitation and left ventricular dysfunction. This case highlights myocarditis as a cause and shows rapid improvement with cardiac function recovery.

Area of Science:

  • Pediatric Cardiology
  • Cardiovascular Pathology
  • Infectious Diseases

Background:

  • Kawasaki disease (KD) is a critical pediatric illness affecting coronary arteries.
  • Cardiac complications in KD, such as myocarditis and ventricular dysfunction, require thorough investigation.
  • Severe tricuspid regurgitation is an uncommon presentation in acute Kawasaki disease.

Observation:

  • A 6-year-old male presented with acute Kawasaki disease (KD).
  • The patient exhibited severe tricuspid regurgitation and left ventricular dysfunction.
  • Endomyocardial biopsy findings indicated myocarditis as the cause of cardiac dysfunction.

Findings:

  • Myocarditis was identified as the primary cause of left ventricular dysfunction.
  • Myocarditis was also implicated in the development of severe tricuspid regurgitation.
  • Tricuspid regurgitation resolved as left ventricular function improved.

Implications:

  • This case expands the understanding of cardiac manifestations in Kawasaki disease.
  • It underscores the potential for myocarditis to cause significant valvular dysfunction in KD.
  • Early recognition and management of cardiac involvement in KD are crucial for favorable outcomes.

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