The First Manifestation of a Left Atrial Myxoma as a Consequence of Multiple Left Coronary Artery Embolisms

Area of Science:

• Cardiology
• Cardiac Surgery
• Pathology

Background:

• Left atrial myxoma is a rare cardiac tumor, often presenting with embolic phenomena.
• Coronary artery embolism is an uncommon manifestation of left atrial myxoma.
• Embolic myocardial infarction and congestive heart failure can be initial symptoms.

Observation:

• A patient presented with symptoms of embolic myocardial infarction and congestive heart failure.
• Transesophageal echocardiography revealed a villous left atrial myxoma with high embolic potential.
• The myxoma was the cause of multiple embolisms in the left coronary artery.

Findings:

• Percutaneous aspirations and balloon dilatations were performed for initial treatment.
• Surgical resection of the myxoma, patent foramen ovale repair, and tricuspid annuloplasty were successful.
• Recovery of left ventricular systolic function was observed post-surgery, potentially due to resorption of myxomatous material.

Implications:

• This case highlights the importance of considering left atrial myxoma in patients with unexplained embolic events, particularly coronary artery embolisms.
• Early diagnosis and prompt surgical intervention are crucial for favorable outcomes.
• Minimally invasive techniques combined with surgical resection can effectively manage this condition and restore cardiac function.