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. 2019 Jul 15;48(1):133–143. doi: 10.1007/s10439-019-02320-2

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© The Author(s) 2019

Open AccessThis article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made.

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A macroscopic view of the left atrial appendage (LAA) closed with the holdfast device in group II (one tube coated with vascular implant). (a) The inner surface of the left atrium (LA) and (b) the intersection through the area of a holdfast device is shown. (a) Black arrows indicate the line of atrial wall adhesion placed between tubes of holdfast device. (b) The white arrow indicates the tube of holdfast device without and black arrow with a vascular implant. Red square indicates area showed in Fig. 8. MV mitral valve, LV left ventricle.