Left atrial appendage aneurysm is a rare congenital anomaly that can present atypically with cough and can be successfully managed with aneurysmectomy.
Aneurysmectomy appears feasible without complications in rare left atrial appendage aneurysm; hypothesis-generating for management given Level 5 evidence.
Left atrial appendage aneurysm (LAAA) is a rare condition caused by congenital dysplasia of the atrial muscles. Patients usually present with atrial tachyarrhythmias as a result of ectopic foci of atrial rhythm generation or systemic thromboembolism. We report a case of a 38-year-old Native American female presenting with 1-month history of cough, in sinus rhythm, and found to have a large cyst-like structure next to the left ventricular lateral wall on transthoracic echocardiography. This structure was later confirmed as a LAAA on cardiac magnetic resonance imaging. Patient underwent aneurysmectomy without any complications.
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Wilson et al. (2009) studied this question.
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