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An Incidentally Discovered Large Left Main Coronary Artery Aneurysm

Mohammed Elsadany1,2, Jared Selter3, Joseph Mattana1,2

  • 1Internal Medicine, St. Vincent's Medical Center, Bridgeport, USA.

Cureus
|August 18, 2020
PubMed

Insights

Left main coronary artery aneurysms (LMCAA) are rare, often caused by atherosclerosis. This case highlights an incidental LMCAA discovery during a myocardial infarction, prompting discussion on treatment options for this uncommon condition.

Area of Science:

  • Cardiology
  • Vascular Medicine
  • Medical Diagnostics

Background:

  • Left main coronary artery aneurysms (LMCAA) are infrequent cardiovascular conditions.
  • Atherosclerosis is the leading cause, followed by congenital abnormalities.
  • Associated symptoms like angina and dyspnea may arise from coexisting obstructive coronary artery disease.

Observation:

  • A 2 cm aneurysm of the left main coronary artery was incidentally identified.
  • The aneurysm was discovered in a patient experiencing an ST-elevation myocardial infarction (STEMI).

Findings:

  • This case underscores the importance of considering LMCAA in patients presenting with acute coronary syndromes.
  • The incidental finding during STEMI provides a unique clinical context for evaluating LMCAA.

Implications:

  • Further research is needed to fully understand LMCAA and optimize management strategies.
  • Discussion of potential medical and surgical interventions is crucial for this rare condition.
  • Improved diagnostic and therapeutic approaches for LMCAA are warranted to improve patient outcomes.

Keywords:
left main aneurysmleft main coronary artery aneurysm

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