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Chronic Ovine Model of Right Ventricular Failure and Functional Tricuspid Regurgitation
Published on: March 17, 2023
A patient with kawasaki disease showing severe tricuspid regurgitation and left ventricular dysfunction in the acute
1Department of Pediatric Cardiology, Kinki University School of Medicine, 377-2 Ohno-Higashi, Osaka-Sayama, Osaka 589-8511, Japan.
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.
Abstract:
We encountered a male aged 6 years 4 months with Kawasaki disease (KD) with severe tricuspid regurgitation and left ventricular dysfunction in the acute phase. His clinical course and findings of endomyocardial biopsy suggested that myocarditis was the cause of left ventricular dysfunction and responsible for the development of tricuspid regurgitation. With improvement of left ventricular function, the tricuspid regurgitation rapidly improved, then disappeared. There are no previous reports in the literature of KD complicated by severe tricuspid regurgitation.
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