Left atrial appendage aneurysm
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Updated: Jan 3, 2026

The WATCHMAN Left Atrial Appendage Closure Device for Atrial Fibrillation
Published on: February 28, 2012
Bo Jiang1, Xi Wang2, Feng Liu1
1Department of Cardiovascular Surgery, The Second Xiangya Hospital, Central South University, Changsha, China.
Abstract:
Left atrial appendage aneurysm is an infrequent abnormality presenting as atrial tachyarrhythmias, progressive dyspnoea, atypical chest pain and systemic thromboembolism. Surgical excision is considered to prevent fatal complications, even in asymptomatic cases. We describe the case of a 44-year-old woman with a history of acute cerebral infarction caused by emboli from a giant left atrial appendage aneurysm, which is the largest one reported to date. Histopathology and Masson staining confirmed the final diagnosis.
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