Acute Myocardial Infarction Secondary to Triple Coronary Arteries Dissection in a Patient With Takayasu Vasculitis

Raad Tahtouh1, Khaled Al Khodari2, Jamila Al Ali Alhasan1

  • 1Internal Medicine Department, Hamad Medical Corporation, Doha, Qatar.

JACC. Case Reports
|August 7, 2023
PubMed

Insights

A rare case of spontaneous triple coronary artery dissection leading to myocardial infarction was observed in a young man. Further investigation revealed the underlying cause to be Takayasu arteritis, a condition not previously linked to this specific coronary event.

Area of Science:

  • Cardiology
  • Vascular Medicine
  • Rheumatology

Background:

  • Takayasu arteritis is a rare, large-vessel vasculitis primarily affecting the aorta and its branches.
  • Coronary artery dissection is an uncommon cause of myocardial infarction, particularly in young individuals.
  • Spontaneous coronary artery dissection (SCAD) is a known entity, but triple-vessel involvement is exceedingly rare.

Observation:

  • A young male patient presented with acute inferior wall myocardial infarction.
  • Cardiac imaging revealed spontaneous, synchronous dissection of all three major coronary arteries.
  • The patient had no typical risk factors for coronary artery disease.

Findings:

  • Further diagnostic workup confirmed the diagnosis of Takayasu arteritis.
  • The triple coronary artery dissection was directly attributed to the underlying vasculitis.
  • This represents the first reported instance of synchronous spontaneous triple coronary artery dissection associated with Takayasu arteritis.

Implications:

  • This case expands the known clinical manifestations of Takayasu arteritis.
  • It highlights the importance of considering vasculitis in young patients with spontaneous coronary artery dissection, even with multi-vessel involvement.
  • Early diagnosis and management of Takayasu arteritis are crucial to prevent severe cardiovascular events like myocardial infarction.

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