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Updated: Jul 11, 2026

Full-root Aortic Valve Replacement by Stentless Aortic Xenografts in Patients with Small Aortic Roots
Published on: May 21, 2017
Postoperative asystole in a vasculopathic man.
1Department of Anesthesiology, University of Florida College of Medicine, Gainesville, 32610-0254, USA.
A rare case of cardiac arrest after surgery was caused by an aortic pseudoaneurysm compressing the right coronary artery. This extrinsic coronary artery compression can mimic intrinsic heart disease and may be treated with angioplasty or surgery.
Area of Science:
- Cardiology
- Vascular Surgery
- Cardiac Surgery
Background:
- Extrinsic coronary artery compression is an uncommon cause of cardiac symptoms.
- Aortic pseudoaneurysms can lead to external compression of adjacent structures, including coronary arteries.
Purpose of the Study:
- To report a case of postoperative cardiac arrest due to extrinsic compression of the right coronary artery by an aortic pseudoaneurysm.
- To highlight the importance of considering extrinsic causes for coronary artery impingement.
Main Methods:
- Case report presentation.
- Review of relevant medical literature.
Main Results:
- The patient experienced cardiac arrest secondary to extrinsic occlusion of the right coronary artery by an aortic pseudoaneurysm.
- Symptoms mimicked intrinsic coronary artery disease.
Conclusions:
- Extrinsic coronary artery compression, including that caused by aortic pseudoaneurysms, is a critical differential diagnosis in patients with cardiac symptoms.
- Treatment options may include angioplasty or a combination of angioplasty and surgical intervention.
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