Non compaction cardiomyopathy: Review of a controversial entity
Rebeca Lorca1, José Rozado1, María Martín2
1Área de Gestión Clínica del Corazón, Hospital Universitario Central de Asturias, Oviedo, España.
Insights
Non-compaction cardiomyopathy is a complex heart condition with ongoing debates regarding its classification and causes. This review clarifies its diverse presentations and controversies for better understanding.
Area of Science:
- Cardiology
- Genetics
- Pathology
Background:
- Non-compaction cardiomyopathy (NCCM) presents diagnostic challenges, with differing classifications by major cardiology societies.
- It exhibits heterogeneity in genetic inheritance (sporadic or familial) and clinical presentation.
- NCCM can affect one or both ventricles, occur in isolation, or as part of mixed phenotypes.
Purpose of the Study:
- To provide an updated review of non-compaction cardiomyopathy.
- To address the existing controversies and uncertainties surrounding this condition.
Main Methods:
- Literature review of existing studies and guidelines.
- Analysis of current understanding of NCCM's etiology, morphology, and clinical manifestations.
Main Results:
- NCCM classification remains debated between genetic and unclassified categories.
- Diverse clinical and morphological presentations exist, including isolated and associated forms.
- Pathophysiological triggers and mixed phenotypes contribute to its complexity.
Conclusions:
- Further research is needed to resolve classification and diagnostic controversies.
- Understanding the varied presentations of NCCM is crucial for accurate diagnosis and management.
Abstract:
Non-compaction cardiomyopathy is a heterogeneous and complex entity concerning which there are still many doubts to be resolved. While the American Heart Association includes it among genetic cardiomyopathies, the European Society of Cardiology treats it as an unclassified cardiomyopathy. It may present in a sporadic or familial form, isolated or associated with other heart diseases, affecting only the left ventricle or both and can sometimes appear as a mixed phenotype in patients with other cardiomyopathies. Different forms of clinical presentation are also associated with its different morphological manifestations, and even non-compaction of the left ventricle may be triggered by other physiological or pathological processes. The purpose of this review is an update of this entity and its controversies.
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