Left Main Coronary Dissection Masquerading in Pediatric Polytrauma: A Diagnostic Challenge
1Department of Cardiology, First Affiliated Hospital With Nanjing Medical University, Nanjing, China.
JACC. Case Reports
|May 20, 2026
Summary
Blunt chest trauma can cause traumatic coronary artery dissection, even in young individuals. Prompt diagnosis and a multidisciplinary approach are vital for managing this severe condition.
Area of Science:
- Cardiology
- Trauma Surgery
- Emergency Medicine
Background:
- Traumatic coronary artery dissection (TCAD) is a rare but severe complication of blunt chest trauma.
- It presents diagnostic and therapeutic challenges, especially in young patients without prior heart conditions.
Purpose of the Study:
- To highlight the occurrence of TCAD in a young patient following blunt chest trauma.
- To emphasize the importance of early suspicion and a comprehensive management strategy for TCAD.
Main Methods:
- Case report of a 16-year-old male involved in an electric bicycle accident.
- Diagnosis included identification of left main coronary artery dissection extending into the left anterior descending artery.
- Management involved emergency coronary artery bypass grafting and mechanical circulatory support.
Main Results:
- The patient developed cardiogenic shock post-trauma.
- Despite aggressive interventions, the patient experienced fatal complications.
Conclusions:
- High-energy deceleration injuries can independently cause coronary artery dissection.
- Timely recognition and a coordinated, multidisciplinary approach are essential for managing this life-threatening injury.
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