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T G Vaikhanskaya1, L N Sivitskaya, T V Kurushko

  • 1State Institution Republican Science and Practice Center «Cardiology». fake@neicon.ru.

Kardiologiia
|January 10, 2019
PubMed
Summary

Left ventricular non-compaction (LVNC) presents diverse phenotypes and genetic causes. Its classification as a distinct cardiomyopathy or morphological trait remains debated, necessitating unified diagnostic criteria.

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Area of Science:

  • Cardiology
  • Genetics
  • Pathology

Background:

  • Left ventricular non-compaction (LVNC) is a rare cardiomyopathy defined by excessive ventricular trabeculation.
  • Phenotypic variability ranges from asymptomatic cases to heart failure and arrhythmias.
  • Genetic mutations in sarcomeric or cytoskeletal proteins are found in 30-50% of patients.

Purpose of the Study:

  • To review the diagnosis, visualization, pathogenesis, clinical variability, and genetic heterogeneity of LVNC.
  • To discuss the controversial nature of LVNC as a distinct entity versus a morphological trait.

Main Methods:

  • Literature review of LVNC diagnosis, visualization, pathogenesis, and clinical manifestations.
  • Analysis of clinical cases illustrating diverse LVNC presentations and genetic inheritance patterns.

Main Results:

  • LVNC exhibits extreme phenotypic variability and significant genetic heterogeneity.
  • Clinical cases highlight LVNC as a concomitant syndrome in genetic disorders and acquired conditions.
  • The classification and significance of LVNC remain subjects of ongoing debate.

Conclusions:

  • Further research is needed to clarify LVNC pathogenesis and its relationship to other cardiomyopathies.
  • Development of unified diagnostic criteria and risk stratification is crucial.
  • Improved visualization and expanded genetic testing will enhance understanding and treatment strategies for LVNC.

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