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Related Experiment Video

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Neuromuscular disorders in left ventricular hypertrabeculation/noncompaction.

Josef Finsterer1, Claudia Stöllberger, Giovanni Fazio

  • 1Krankenanstalt Rudolfstiftung, Krankenanstalt Rudolfstiftung, Vienna, Austria. fifigs1@yahoo.de

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Left ventricular hypertrabeculation/noncompaction (LVHT) frequently co-occurs with neuromuscular disorders (NMDs). Further research into this association is crucial for understanding LVHT

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Area of Science:

  • Cardiology
  • Neurology
  • Genetics

Background:

  • Left ventricular hypertrabeculation/noncompaction (LVHT) is often linked to hereditary cardiac/skeletal muscle diseases or chromosomal abnormalities.
  • A significant proportion of LVHT patients (over two-thirds) also exhibit neuromuscular disorders (NMDs).

Purpose of the Study:

  • To explore the association between left ventricular hypertrabeculation/noncompaction and neuromuscular disorders.
  • To highlight the need for interdisciplinary investigation into the pathogenetic relationship between LVHT and NMDs.

Main Methods:

  • Review of existing studies on LVHT and NMD co-occurrence.
  • Analysis of frequently and occasionally associated NMDs with LVHT.
  • Discussion of the potential causal link and pathomechanic associations.

Main Results:

  • Common NMDs associated with LVHT include Barth syndrome, mitochondrial disorders, zaspopathy, and myotonic dystrophies.
  • Less common associations include dystrobrevinopathy, laminopathies, dystrophinopathies, and others.
  • Acquired LVHT predominantly occurs in patients with NMDs, suggesting a strong pathogenetic link.

Conclusions:

  • A likely causal relationship exists between NMDs and LVHT, though the precise mechanisms are unclear.
  • Integrated patient management involving neurologists and cardiologists, alongside family studies, is essential.
  • Further investigation is needed to fully elucidate the pathogenesis, clinical course, and prognosis of LVHT in the context of NMDs.