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Sudden infant death syndrome and left ventricular hypertrabeculation-hidden arrhythmogenic entity?
J Ker1, L Du Toit-Prinsloo, W F P van Heerden
1Department of Physiology, University of Pretoria, Pretoria, South Africa.
Left ventricular hypertrabeculation, a spongy myocardium condition, can cause heart failure and arrhythmias. This case suggests it may be a hidden cause of sudden infant death syndrome due to arrhythmic events.
Area of Science:
- Cardiology
- Genetics
- Pediatrics
Background:
- Left ventricular noncompaction/hypertrabeculation is a myocardial disorder characterized by excessive trabeculation.
- This condition can manifest with heart failure, arrhythmias, and thromboembolic events across all age groups.
- Genetic mutations are implicated, suggesting a potential continuum with other cardiomyopathies.
Purpose of the Study:
- To report a case of left ventricular hypertrabeculation presenting as sudden infant death syndrome.
- To propose left ventricular hypertrabeculation as a potential underlying cause of sudden infant death syndrome in infants with arrhythmic death.
Main Methods:
- Case report presentation.
- Review of clinical presentation and pathological findings related to left ventricular hypertrabeculation.
Main Results:
- The study details a case where left ventricular hypertrabeculation was identified in an infant who experienced sudden death.
- This finding suggests a link between the condition and unexplained infant deaths.
Conclusions:
- Left ventricular hypertrabeculation is a significant cardiac condition with diverse presentations.
- This entity may represent an underdiagnosed cause of arrhythmic death in sudden infant death syndrome.
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