Key result
Inverted left atrial appendage during MIMVS can closely mimic intracardiac thrombus or mass on TEE.
Why the study?
Inverted left atrial appendage is a rare complication in cardiac surgery that is often misdiagnosed, leading to unnecessary treatments, and its occurrence during minimally invasive mitral valve surgery is not well described.
Case Report (n=1)
Highlights the echocardiographic appearance of an inverted left atrial appendage during minimally invasive mitral valve surgery to prevent misdiagnosis and unnecessary treatment.
Recognition of inverted LAA on TEE may avert misdiagnosis as thrombus during MIMVS; case report leaves open systematic incidence studies.
Inverted left atrial appendage (LAA) is a rare complication in cardiac surgery. The echocardiographic appearance often leads to misdiagnosis of thrombus or some other cardiac mass. Patients misdiagnosed in this way often undergo unnecessary anticoagulation or surgical treatment. Recently, minimally invasive mitral valve surgery (MIMVS) has become more widespread. However, as the incision for MIMVS through the right thoracotomy is very small, the inverted LAA is not within the surgical field of the cardiac surgeon. We present a case of inverted LAA during MIMVS and provide images from transesophageal echocardiography.
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Miyata et al. (2018) conducted a case report in Inverted left atrial appendage (n=1). Minimally invasive mitral valve surgery was evaluated on Inverted left atrial appendage. Inverted left atrial appendage during minimally invasive mitral valve surgery is a rare complication that can mimic a thrombus or cardiac mass on transesophageal echocardiography.
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