Inverted left atrial appendage during minimally invasive mitral valve repair

Kazuto Miyata, Sayaka Shigematsu

Annals of Cardiac Anaesthesia 2018 21(2):192-194

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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