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Left main coronary embolism.

Victor M Mejia1, Y Joseph Woo, Howard C Herrmann

  • 1Cardiology Department and Cardiothoracic Surgery Department, University of Pennsylvania, Philadelphia, Pennsylvania, USA.

The Journal of Invasive Cardiology
|June 17, 2006
PubMed
Summary
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A rare case of acute myocardial infarction (MI) caused by a left main artery embolus in a patient with prior mitral valve repair is presented. This uncommon cause highlights the importance of considering diverse etiologies in cardiogenic shock.

Area of Science:

  • Cardiology
  • Cardiovascular Medicine
  • Interventional Cardiology

Background:

  • Mitral regurgitation is a significant valvular heart disease.
  • Mitral valve repair is a common surgical intervention.
  • Cardiogenic shock is a life-threatening condition requiring prompt diagnosis.

Observation:

  • A 58-year-old female with a history of mitral regurgitation presented with cardiogenic shock post-mitral valve repair.
  • She subsequently developed an anterior ST-elevation myocardial infarction.
  • Pericardial effusion was also noted during her readmission.

Findings:

  • Coronary angiography identified an embolus occluding the left main coronary artery.
  • Rheolytic thrombectomy was successfully employed to treat the arterial embolus.

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  • This case illustrates an unusual etiology for acute myocardial infarction.

    • Implications:

    • Embolic events in the left main artery are a rare cause of ST-elevation myocardial infarction.
    • This case underscores the need for comprehensive etiological investigation in patients with cardiogenic shock and myocardial infarction.
    • Advanced interventional techniques like rheolytic thrombectomy can be effective in managing complex embolic occlusions.