Preoperative Ozaki technique measures on tridimensional engineered root

The aortic valve neocuspidalization (AVNeo) is an innovative surgical technique aiming at the reconstruction of the aortic valve using autologous pericardium. One of the main criticisms to AVNeo is the longer duration of the aortic clamping time (ACT) as compared to standard aortic valve replacement...

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Bibliographic Details
Published in:Journal of cardiovascular computed tomography 2022-01, Vol.16 (1), p.51-53
Main Authors: Pirola, Sergio, Mastroiacovo, Giorgio, Mostardini, Giulia, Bonomi, Alice, Guglielmo, Marco, Muscogiuri, Giuseppe, Baggiano, Andrea, Montisci, Andrea, Pontone, Gianluca, Polvani, Gianluca
Format: Article
Language:English
Subjects:
3D printing
Aortic Valve - diagnostic imaging
Aortic Valve - surgery
Aortic Valve Stenosis
AVNeo
Heart Valve Prosthesis
Humans
Ozaki procedure
Predictive Value of Tests
Preoperative planning
Retrospective Studies
Treatment Outcome
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Summary:The aortic valve neocuspidalization (AVNeo) is an innovative surgical technique aiming at the reconstruction of the aortic valve using autologous pericardium. One of the main criticisms to AVNeo is the longer duration of the aortic clamping time (ACT) as compared to standard aortic valve replacement due to the sizing of the valve neocusps. We retrospectively enrolled 30 consecutives patients underwent AVNeo. For each patient we developed a 3D aortic root model (ARM) based on CT-scan datasets. We retrospectively compared the leaflets measurements performed during surgery with those obtained on the corresponding ARMs. In 100% of cases no difference between the in vitro and in vivo measurements exceeded the acceptable error limit of 2 ​mm. The correlation of each single in vitro versus in vivo measurements demonstrates a strong coincidence between the two different methods of sizing (r ​> ​0,9, p ​
ISSN:1934-5925
1876-861X
DOI:10.1016/j.jcct.2021.09.008