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Left atrial structure and function after percutaneous left atrial appendage transcatheter occlusion (PLAATO)

Six-month echocardiographic follow-up

Ibrahim R. Hanna, MD^*, Paul Kolm, PhD^*, Randolph Martin, MD, FACC^*, Mark Reisman, MD, FACC, William Gray, MD, FACC and Peter C. Block, MD, FACC^*,*

^* Division of Cardiology, Department of Medicine, Emory University, Atlanta, Georgia, USA
Swedish Cardiovascular Research, Seattle, Washington, USA

View larger version (109K): [in a new window]   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 (*).