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Left ventricular noncompaction cardiomyopathy: updated review.
Dioma U Udeoji1, Kiran J Philip, Ryan P Morrissey
1Cedars Sinai Medical Center, Los Angeles, California, USA.
Therapeutic Advances in Cardiovascular Disease
|October 18, 2013
Summary
Left ventricular noncompaction (LVNC) is a rare congenital heart defect. Early diagnosis and symptom-based management are crucial for improving outcomes in patients with this genetically diverse condition.
Area of Science:
- Cardiology
- Genetics
- Pediatric Cardiology
Background:
- Left ventricular noncompaction (LVNC) is a rare congenital cardiomyopathy.
- It results from incomplete myocardial compaction during fetal development.
- LVNC exhibits genetic heterogeneity and varied clinical presentations.
Purpose of the Study:
- To review the pathogenesis, clinical features, and management of LVNC.
- To discuss diagnostic approaches and prognosis.
- To highlight the importance of accurate diagnosis and long-term care.
Main Methods:
- Literature review of medical publications from 1984 to 2013.
- Analysis of studies on LVNC pathogenesis, clinical manifestations, and treatment.
- Synthesis of information on diagnostic modalities and genetic patterns.
Main Results:
- LVNC presents with diverse genetic patterns (X-linked, autosomal-dominant, mitochondrial).
- Clinical manifestations range from asymptomatic cases to severe heart failure, arrhythmias, and sudden cardiac death.
- Improved diagnostic technologies have increased identification and improved prognosis.
Conclusions:
- LVNC is a primary genetic cardiomyopathy with significant variability.
- Accurate diagnosis is essential due to potential co-occurring anomalies and the need for family screening.
- Symptom-based management is key, with symptomatic patients facing a poorer prognosis.
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