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. 2017 Jun 30;4(2):e000627. doi: 10.1136/openhrt-2017-000627

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© Article author(s) (or their employer(s) unless otherwise stated in the text of the article) 2017. All rights reserved. No commercial use is permitted unless otherwise expressly granted.

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Bland-Altman plots. The adapted Bland-Altman plots for 2D-TEE and optimal CT-guided LAA closure device sizing. This analysis only included successful percutaneous LAA closures (n=58). The plots show the difference between LAA sizing and final LAA closure device size for the different LAA closure devices and imaging modalities. Considering the official TEE-recommended sizing versus CT-based recommendation to select the first-available larger LAA device size (‘one step up’), the number of correct sizings per device and imaging modality could be calculated. LAA, left atrial appendage; TEE, transoesophageal echocardiography.