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Updated: Feb 1, 2026

Left Coronary Artery Ligation: A Surgical Murine Model of Myocardial Infarction
Published on: August 9, 2022
Acute myocardial infarction caused by an anomalous left main coronary artery in a 16-year-old boy
Susumu Suzuki1, Satoshi Ichimiya1, Masaaki Kanashiro1
1Department of Cardiology, Yokkaichi Municipal Hospital, Yokkaichi, Japan.
Insights
Congenital coronary artery anomalies, though rare, can cause sudden death in young athletes. This case highlights a 16-year-old experiencing myocardial infarction due to an anomalous left main coronary artery, emphasizing the need for awareness.
Area of Science:
- Cardiovascular Medicine
- Pediatric Cardiology
- Sports Cardiology
Background:
- Congenital coronary artery anomalies are rare but significant causes of sudden cardiac death in young individuals.
- Anomalous origin of coronary arteries can lead to myocardial ischemia, particularly during physical exertion.
Observation:
- A 16-year-old male athlete presented with acute myocardial infarction.
- The patient was diagnosed with a rare congenital coronary artery anomaly.
Findings:
- The anomaly involved occlusion of the left main trunk coronary artery.
- Intravascular ultrasound provided specific diagnostic findings for this rare condition.
Implications:
- Early diagnosis and understanding of these anomalies are crucial for preventing sudden cardiac death in athletes.
- This case underscores the importance of advanced imaging techniques in identifying structural cardiovascular abnormalities.
Abstract:
A variety of structural cardiovascular abnormalities have been implicated in deaths of athletes, particularly congenital coronary arteries of anomalous origin, which are rare but major causes of myocardial ischemia and sudden death in young people. We present here the case of a rare congenital coronary artery anomaly in a 16-year-old boy who suffered from acute myocardial infarction due to occlusion of the left main trunk coronary artery, providing specific intravascular ultrasound findings for this anomaly.
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