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[Surgical therapy of postinfarct tachyarrhythmia (author's transl)]
Insights
Surgery effectively treated ventricular tachyarrhythmias in post-myocardial infarction patients. Most patients with anterior wall aneurysm or akinesia, and coronary artery stenosis, showed significant improvement after cardiac surgery.
Area of Science:
- Cardiology
- Cardiac Surgery
Context:
- Ventricular tachyarrhythmias (VT) pose a significant risk following myocardial infarction (MI).
- Surgical interventions targeting myocardial abnormalities and coronary vasculature are explored for managing refractory VT.
- Anterior wall aneurysm or akinesia, often associated with coronary artery stenosis, are common findings in these patients.
Purpose:
- To evaluate the efficacy of surgical treatment for ventricular tachyarrhythmias in patients with a history of myocardial infarction.
- To assess outcomes in patients with specific cardiac wall abnormalities and coronary artery disease.
Summary:
- Thirteen patients with post-MI VT underwent surgery on the heart wall or coronary vessels.
- Ten patients had anterior wall aneurysm/akinesia, with some cases involving right coronary artery or circumflex artery stenosis.
- One patient had isolated right coronary artery stenosis. Two patients experienced mortality (one from VT, one from reinfarction); the rest were discharged with significant improvement.
Impact:
- Surgical intervention can lead to significant improvement in patients suffering from ventricular tachyarrhythmias post-myocardial infarction.
- Addressing both myocardial structural issues and coronary artery disease is crucial for successful treatment outcomes.
- This study highlights the potential benefits of surgical management in a challenging patient cohort.
Abstract:
Thirteen patients with ventricular tachyarrhythmias after myocardial infarction underwent surgery at the heart wall or at the coronary vessels. Ten of these patients had an aneurysm of the anterior wall or akinesia of the anterior wall which in some cases was associated with stenosis of the right coronary artery or of the circumflex artery. One patient showed an isolated stenosis of the right coronary artery. One patient died from recurrent ventricular fibrillation during hospitalization, another patient died from reinfarction 4 months later. All the other patients could be discharged and were improved significantly.