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Published on: September 9, 2020
[Traumatic dissection of the circumflex coronary artery complicating a myocardial contusion. A case report]
A Jaafari1, B Boukhriss, L Zakhama
1Hôpital des FSI-La Marsa, La Marsa, rue Fadhel-Ben-Achour, Tunis, 2070 La Marsa, Tunisie.
Insights
Blunt chest trauma can cause life-threatening heart injuries like myocardial infarction and tamponade. A case study highlights these risks, emphasizing diagnostic challenges in trauma patients.
Area of Science:
- Cardiology
- Trauma Surgery
- Emergency Medicine
Background:
- Myocardial contusion, a heart contusion, presents diagnostic challenges post-blunt thoracic trauma due to associated injuries.
- Lethal complications include myocardial infarction, cardiac tamponade, and acute valvular lesions.
Observation:
- A 42-year-old woman sustained blunt chest trauma.
- She subsequently developed cardiac tamponade, acute transmural myocardial infarction, and acute mitral regurgitation.
Findings:
- Coronary arteriography identified a dissection in the circumflex artery as the cause.
- This dissection led to the observed cardiac complications.
Implications:
- Highlights the critical need for vigilant cardiac assessment after blunt chest trauma.
- Underscores the potential for coronary artery dissection as a cause of myocardial injury in trauma.
- Emphasizes prompt diagnosis and management of myocardial contusion complications for improved patient outcomes.
Abstract:
Myocardial contusion can result in lethal complications as myocardial infarction, tamponade and acute valvular lesions. Following blunt thoracic trauma, the diagnosis is often difficult to make because of the multiple associated injuries. We report the case of a 42-year-old woman who, after a blunt chest trauma, developed a tamponade, an acute transmural myocardial infarction and an acute mitral regurgitation. Coronary arteriography revealed a dissection in the circumflex artery.
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