Clinical Insights Into a Rare Left Main Coronary Artery Aneurysm
Boone Singtong1, Kush Kapadia1, Chris Aboujaoude1
1Internal Medicine, HCA Mountain View Hospital, Las Vegas, USA.
Cureus
|July 21, 2025
Summary
Giant coronary artery aneurysms (GCAA) are rare vascular conditions. This case report details the surgical repair of a growing GCAA in a patient with hypertension and hyperlipidemia.
Area of Science:
- Cardiology
- Vascular Surgery
Background:
- Coronary artery aneurysms (CAA) are uncommon, with giant coronary artery aneurysms (GCAA) being exceptionally rare.
- The exact causes of GCAA are not fully understood.
- While often asymptomatic, CAA can lead to serious cardiac events like myocardial infarction or sudden cardiac death.
Observation:
- A 61-year-old female with hypertension and hyperlipidemia presented with atypical chest pain.
- Imaging revealed a significant GCAA at the coronary bifurcation, which progressively enlarged over several years.
- The aneurysm measured nearly 1 cm, with associated 30% stenosis in the left anterior descending artery.
Findings:
- The patient underwent successful surgical repair of the GCAA, including coronary artery bypass grafting.
- Post-operative recovery was managed in the intensive care unit.
Implications:
- This case highlights the importance of vigilant monitoring and timely surgical intervention for progressively enlarging GCAA.
- Surgical repair can be effective in managing GCAA, preventing potentially fatal complications.
- Further research into GCAA etiology and optimal management strategies is warranted.
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