Spontaneous dissection of the left main coronary artery

Prasad Shah1, Vladimir Dzavik, R J Cusimano

  • 1Interventional Cardiology Program, Toronto General Hospital, University Health Network, Ontario.

Insights

Spontaneous coronary artery dissection is a rare cause of heart attacks. This case highlights a pregnant woman experiencing a myocardial infarction due to spontaneous dissection of the left main coronary artery.

Area of Science:

  • Cardiology
  • Vascular Medicine
  • Obstetrics

Background:

  • Spontaneous coronary artery dissection (SCAD) is an uncommon yet significant cause of acute coronary syndromes (ACS).
  • SCAD presentation varies widely, from asymptomatic cases to severe events like myocardial infarction and sudden cardiac death.

Observation:

  • A 33-year-old pregnant woman presented with symptoms of a non-ST segment elevation myocardial infarction.
  • The myocardial infarction was found to be caused by spontaneous dissection of the left main coronary artery.

Findings:

  • The case illustrates a rare occurrence of SCAD involving the left main coronary artery in a pregnant patient.
  • This dissection led to acute myocardial infarction, underscoring the potential severity of SCAD.

Implications:

  • Highlights the importance of considering SCAD in young women, particularly during pregnancy, presenting with acute coronary syndromes.
  • Emphasizes the need for prompt diagnosis and appropriate management of SCAD to prevent adverse cardiac events.
  • Contributes to the understanding of SCAD pathophysiology and clinical manifestations in specific populations.

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