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Updated: May 30, 2026

Novel and Innovative Hybrid Technique for Type A Aortic Dissection
Published on: March 28, 2025
[Acute myocardial infarction due to an acute aortic dissection]
C Stefanidis1, A Sanoussi, H Demanet
1Services de Chirurgie Cardiaque, C.H.U. Brugmann. constantin.stefanidis@chu-brugmann.be
Insights
Myocardial infarction can mask aortic dissection. Initial treatment for myocardial infarction, including anticoagulation, should not be altered even if emergent surgery is needed.
Area of Science:
- Cardiology
- Cardiovascular Surgery
- Medical Diagnostics
Background:
- Myocardial ischemia from ascending aortic dissection is rare.
- A 76-year-old man presented with chest pain mimicking acute myocardial infarction.
Purpose of the Study:
- To highlight the diagnostic challenge of aortic dissection presenting as myocardial infarction.
- To emphasize the importance of considering aortic dissection in myocardial infarction cases.
Main Methods:
- Case report of a 76-year-old male with sudden chest pain.
- Electrocardiogram (ECG) and coronary angiography were performed.
- Computed tomography (CT) confirmed type A aortic dissection.
Main Results:
- ECG suggested inferior wall acute myocardial infarction.
- Coronary angiography revealed anomalous right coronary artery origin and extrinsic stenosis.
- CT confirmed type A aortic dissection extending to the right coronary artery.
Conclusions:
- Myocardial infarction can obscure the diagnosis of aortic dissection.
- Initial myocardial infarction treatment, including anticoagulation, should be maintained for emergent cardiac surgery.
- This approach may increase postoperative bleeding but is crucial for patient survival.
Abstract:
Myocardial ischemia secondary to dissection of the ascending aorta remains a relatively rare complication. A 76-year old man with no prior history developed sudden chest pain. The electrocardiogram showed a ST-segment elevation in leads II and III suggesting an inferior wall acute myocardial infarction. Upon arrival, he received anticoagulation and antiplatelet aggregation intravenously and orally respectively. Coronary angiography showed an anomalous origin of the right coronary and extrinsic stenosis by a false lumen. Computed tomography confirmed the diagnosis of type A aortic dissection with an extension to the right coronary. Emergency ascending aorta replacement with Dacron graft and a right coronary artery graft was perfomed. This case illustrates how myocardial infarction can mask an aortic dissection. The initial treatment of a myocardial infarction with anticoagulation and/or oral antiplatelet aggregation should not be modified, even if it increases postoperative bleeding when emergent cardiac surgery is necessary.
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