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Related Experiment Videos

Left ventricular hypertrabeculation in myotonic dystrophy type 1.

J Finsterer1, C Stöllberger, R Wegmann

  • 1Ludwig-Boltzmann Institute for Research in Epilepsy and Neuromuscular Disorders, Vienna, Austria. fij@2nr.nkr.magwien.gv.at

Herz
|August 2, 2001
PubMed
Summary
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Left ventricular hypertrabeculation (LVHT) is a newly identified cardiac manifestation in myotonic dystrophy Type I (MD1). This finding expands the known spectrum of cardiac issues associated with MD1.

Area of Science:

  • Cardiology
  • Genetics
  • Neurology

Background:

  • Myotonic dystrophy Type I (MD1) is a multisystem disorder.
  • Cardiac involvement is common in MD1, but specific patterns vary.
  • Left ventricular hypertrabeculation (LVHT) has not been previously documented in MD1.

Observation:

  • A 42-year-old male with confirmed MD1 presented with typical symptoms and genetic findings.
  • Clinical cardiac evaluation was initially normal.
  • Transthoracic echocardiography unexpectedly revealed LVHT.

Findings:

  • The patient exhibited a heterozygous 300 CTG-repeat expansion in the DMPK gene, confirming MD1.
  • ECG showed ST elevation and atrial flutter.
  • Echocardiography demonstrated LVHT, a condition typically seen in other genetic disorders.

Related Experiment Videos

Implications:

  • LVHT represents a rare cardiac manifestation of MD1.
  • This finding broadens the understanding of cardiac phenotypes in MD1.
  • LVHT itself does not currently have direct therapeutic implications for MD1 patients.