Challenges For Percutaneous Left Atrial Appendage Closure: Imaging And Residual Flow
We have read with great interest the paper entitled ‘First results of the Brazilian Registry of Percutaneous Left Atrial Appendage Closure’ by Guérios et al. is a very important study. We have some suggestions about this trial.
Firstly, two-dimensional transeosophageal echocardiography (2D-TEE) can evaluate the morphology of left atrial appendage in multiple views. But real-time three-dimensional transeosophageal echocardiography (3D-TEE) provides more detailed images of the left atrial appendage (LAA) anatomy than 2D-TEE. A competent physician can accurately evaluate the LAA depth and landing zone. Moreover LAA closure depends on an accurate determination of anatomical structure. Therefore the 3D-TEE may show advantantages in relation to 2D-TEE in transcathater LAA closure.
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