Left ventricular noncompaction: A distinct cardiomyopathy or a trait shared by different cardiac diseases?

Eloisa Arbustini, Frank Weidemann, Jennifer L. Hall

Research output: Contribution to journalReview articlepeer-review

119 Scopus citations

Abstract

Whether left ventricular noncompaction (LVNC) is a distinct cardiomyopathy or a morphologic trait shared by different cardiomyopathies remains controversial. Current guidelines from professional organizations recommend different strategies for diagnosing and treating patients with LVNC. This state-of-the-Art review discusses new insights into the basic mechanisms leading to LVNC, its clinical manifestations, treatment modalities, anatomy and pathology, embryology, genetics, epidemiology, and imaging. Three markers currently define LVNC: prominent left ventricular trabeculae, deep intertrabecular recesses, and a thin compacted layer. Although new genetic data from mice and humans supports LVNC as a distinct cardiomyopathy, evidence for LVNC as a shared morphological trait is not ruled out. Criteria supporting LVNC as a shared morphological trait may depend on consensus guidelines from the multiple professional organizations. Enhanced imaging and increased use of genetics are both predicted to significantly impact our overall understanding of the basic mechanisms causing LVNC and its optimal management.

Original languageEnglish (US)
Pages (from-to)1840-1850
Number of pages11
JournalJournal of the American College of Cardiology
Volume64
Issue number17
DOIs
StatePublished - Oct 28 2014

Keywords

  • compacted
  • epidemiology
  • genetics
  • imaging
  • pathology
  • trabeculae

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