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Updated: Aug 8, 2026

Surgical Porcine Model of Chronic Myocardial Ischemia Treated by Exosome-laden Collagen Patch and Off-pump Coronary Artery Bypass Graft
Published on: September 15, 2023
[Emergent coronary artery bypass grafting for a patient with cardiopulmonary arrest]
1Department of Thoracic Surgery, Ome Municipal General Hospital, Ome, Japan.
Insights
A patient with severe coronary artery disease experienced cardiac arrest but recovered after emergency bypass surgery and an implantable cardioverter defibrillator (ICD). This case highlights successful management of life-threatening ventricular arrhythmias post-myocardial infarction.
Area of Science:
- Cardiology
- Cardiac Surgery
Background:
- Sudden cardiac arrest due to myocardial infarction with ventricular fibrillation requires immediate intervention.
- Severe multi-vessel coronary artery disease, including left main trunk stenosis, presents a high risk for life-threatening cardiac events.
Observation:
- A 59-year-old male presented with unconsciousness secondary to myocardial infarction and ventricular fibrillation.
- Coronary angiography revealed critical stenosis in the left main trunk and LAD, with complete occlusion of the Cx and RCA.
Findings:
- Emergency coronary artery bypass grafting (CABG) was successfully performed to revascularize the affected coronary arteries.
- Postoperatively, the patient developed recurrent ventricular tachycardia/fibrillation, necessitating implantable cardioverter defibrillator (ICD) implantation.
Implications:
- This case demonstrates the successful application of combined surgical revascularization and device therapy for managing complex coronary artery disease and associated arrhythmias.
- Prompt diagnosis and multi-modal treatment strategies are crucial for improving outcomes in patients presenting with acute myocardial infarction and ventricular fibrillation.
Abstract:
A 59-year-old man was admitted to our hospital due to sudden onset of unconsciousness caused by myocardial infarction with ventricular fibrillation. Emergent coronary angiography under intraaortic balloon pumping revealed 90% stenosis of the left main trunk and left anterior descending artery (LAD), and complete obstruction of the left circumflex artery (Cx) and right coronary artery (RCA). Emergent coronary artery bypass grafting (CABG) to LAD, Cx, and RCA was performed. During the postoperative course, the patient developed ventricular tachycardia/fibrillation. After implantation of an implantable cardioverter defibrillator (ICD), he was discharged on the postoperative day 36. The patient has now resumed normal daily life.
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