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Figure 1 Immediate postimplant (A) and six months (B) transesophageal echocardiographies showing the left atrium (LA), left upper pulmonary vein (LUPV), mitral valve (MV), and percutaneous left atrial appendage transcatheter occlusion (P). Flow in the LUPV showed no turbulence (double arrow). The atrial surface of the device remained smooth. Residual flow around the device was noted at implantation and persisted at six months without change (single arrow). Clot/fibrosis of the left atrial appendage was clearly seen at six months (*).
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