Transnasal Transesophageal Echocardiography Guidance for Percutaneous Left Atrial Appendage Closure

The Annals of Thoracic Surgery
Bin WangMingxing Xie

Abstract

In the local anesthesia state, left atrial appendage closure cannot be accomplished under the real-time guidance of conventional transesophageal echocardiography because it induces significant discomfort for the patient. Transnasal transesophageal echocardiography can be well-tolerated by patients without general anesthesia for a prolonged examination time and can acquire excellent images. This case report describes the initially successful percutaneous left atrial appendage closure under the real-time guidance of transnasal transesophageal echocardiography without general anesthesia in a nonvalvular atrial fibrillation patient. The device covered the ostium of the left atrial appendage properly and stably, and there was no significant residual peridevice leak or device-associated thrombus postoperatively.

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