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Surgical treatment of left main coronary artery aneurysm: a case report

Tzu-Yu Lin1, Kuan-Ming Chiu, Jiann-Shing Shieh

  • 1Department of Anesthesia, Far-Eastern Memorial Hospital, Taipei, Taiwan.

Circulation Journal : Official Journal of the Japanese Circulation Society
|December 17, 2008
PubMed

Insights

Left main coronary artery aneurysms are rare, often linked to atherosclerosis. While not increasing risk with existing blockages, these aneurysms pose dangers like thrombosis and embolization, warranting aggressive surgical consideration.

Area of Science:

  • Cardiology
  • Vascular Surgery

Background:

  • Left main (LM) coronary artery aneurysms are uncommon findings during coronary angiography.
  • Atherosclerosis is the predominant cause, excluding rare conditions like Kawasaki disease, iatrogenic, or mycotic aneurysms.

Observation:

  • The case involves a 65-year-old male presenting with effort angina.
  • Coronary angiography revealed a left main coronary artery aneurysm.
  • Diagnostic imaging included computed tomography, transesophageal echocardiography, and operative photography.

Findings:

  • LM coronary artery aneurysm often coexists with coronary artery disease.
  • While not adding risk to existing obstructive coronary artery disease, LM aneurysms present significant clinical concerns.
  • Thrombosis and distal embolization are the primary risks associated with LM coronary aneurysms.

Implications:

  • LM coronary artery aneurysms require careful clinical consideration due to potential morbidities.
  • Aggressive surgical intervention is recommended for managing these aneurysms.
  • This case highlights the diagnostic and imaging modalities used for LM coronary aneurysms.

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