Why the study?
Congenital left atrial appendage aneurysm is a rare cardiac anomaly with varied presentations ranging from asymptomatic to serious complications like systemic thromboembolism and atrial tachyarrhythmia.
Surgical resection of giant congenital left atrial appendage aneurysm can effectively treat refractory atrial fibrillation and prevent further thromboembolic events.
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May raise suspicion for congenital LAAA in young patients with embolic stroke and refractory AF; hypothesis-generating for targeted management.
Background: Congenital left atrial appendage aneurysm (LAAA) is a rare cardiac anomaly with a variety of presentations, from being asymptomatic to potentially serious complications such as systemic thromboembolism and atrial tachyarrhythmia. Case Presentation: We report a case of congenital giant LAAA in a 35-year-old man presenting with acute massive cerebral infarction and atrial fibrillation (AF) with rapid ventricular rate. The AF was refractory to conventional antiarrhythmic agents, such as amiodarone and electrical cardioversion, but restored and maintained sinus rhythm after surgical resection of LAAA. The patient remained free of events and was in sinus rhythm during half-year follow-up. Conclusion: Giant LAAA has the potential causing serious complications and should be managed surgically in most cases.
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Li et al. (2022) studied this question.
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