Key result
Surgical resection of a prenatally diagnosed LAA aneurysm yields a successful 5-year clinical outcome.
Why the study?
Congenital left atrial appendage aneurysm is a rare cardiac malformation usually diagnosed in adulthood, and it is rarely diagnosed prenatally.
Case Report (n=1)
This case report demonstrates that prenatally diagnosed left atrial appendage aneurysm can be successfully managed with surgical resection in infancy, leading to favorable long-term outcomes.
Supports early surgical resection for prenatally diagnosed left atrial appendage aneurysm; leaves open need for larger series to guide practice.
A congenital left atrial appendage aneurysm (LAAA) is a rare cardiac malformation, that is, usually diagnosed in adulthood. It is rarely diagnosed prenatally. In most cases, surgical resection is recommended soon after the diagnosis has been made due to the risk of arrhythmia and thrombotic events. The present report describes a case of LAAA that was prenatally diagnosed and was asymptomatic postnatally. Imaging revealed the relation of the cardiac and airway structures around the LAAA in detail. The patient underwent surgical resection of the LAAA successfully at 7 months of age and is currently healthy at 5 years of age.
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Sasaki et al. (2021) conducted a case report in Congenital left atrial appendage aneurysm (LAAA) (n=1). Surgical resection was evaluated on Clinical outcome. Surgical resection of a prenatally diagnosed left atrial appendage aneurysm at 7 months of age resulted in successful treatment, with the patient remaining healthy at 5 years of age.
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