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. 2022 May 30;9:894160. doi: 10.3389/fcvm.2022.894160

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Copyright © 2022 Mao, Liu, Ma, Jin, Li and Yang.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Assessment of computed tomography angiography before the procedure using Circle Cardiovascular Imaging CVI42 software (e.g., data for patient 6). (A) Annular area of the prosthetic mitral valve was 4.26 cm². (B) The left ventricle was 71.65 mm in the long axis and 47.13 mm in the short axis, and the left atrium was 58.80 mm in the long axis and 60.24 mm in the short axis. (C) The left and right axes of the left ventricle and left atrium were 56.54 mm and 65.36 mm, respectively. (D) By simulating a 26-mm valve, the relationship between the stent and the neo-LVOT could be observed. (E) The area of the neo-LVOT was 5.62 cm² after simulating the process of implanting the valve. (F) The projection angle of the released valve implanted by trans-septal access is RAO52, CAU5.