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Myocardial thickening in children with acute myocarditis
1Division of Pediatric Medicine, Kyoto Children's Research Hospital, Kyoto Prefectural University of Medicine, Japan.
Abstract:
Two-dimensional echocardiography showed myocardial thickening in 3 of 16 acute myocarditis patients in childhood. In all 3 cases, this myocardial thickening was transient and diminished within 3 weeks. This myocardial thickening was most marked at a few days after the onset; the interventricular septal thickness for each case was 13, 24, and 12 mm and the left ventricular posterior wall thickness was 13, 24, and 10 mm for each case. Two-dimensional echocardiography also revealed contraction disturbances in these three cases at their onset, which improved with the diminution of myocardial thickening. The contraction disturbance in acute myocarditis, occasionally causing cardiac pump failure, seems closely related to this myocardial thickening.
Insights
Transient myocardial thickening is a key finding in childhood acute myocarditis, often resolving within three weeks. This cardiac thickening correlates with impaired heart function and improves as the condition subsides.
Area of Science:
- Pediatric Cardiology
- Cardiovascular Imaging
- Myocardial Diseases
Background:
- Acute myocarditis in children can present with varied cardiac manifestations.
- Understanding the echocardiographic features of acute myocarditis is crucial for diagnosis and management.
- Myocardial thickening is a potential indicator of inflammation and dysfunction in pediatric cardiac conditions.