Circulation Reports
Online ISSN : 2434-0790
Research Letter
Incidence and Predictors of Valve Pop-up During Navitor Valve Implantation
Ryosuke Higuchi , Itaru Takamisawa, Mitsunobu Kitamura, Makoto Ohno, Mamoru Nanasato
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2025 Volume 7 Issue 12 Pages 1304-1305

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Abstract

Background: The Navitor valve shows excellent valve function and high deliverability. However, valve pop-up during valve implantation remains a concern.

Methods and Results: We defined pop-up as an upward valve dislocation ≥3 mm after implantation. Pop-up occurred in 13 (19%) of 67 patients, with 2 (3.0%) patients requiring a second valve. The depth ratio between non- and left-coronary cusp side at the 80% release and aortic valve calcification score were identified as predictors of valve pop-up.

Conclusions: Pop-up of the Navitor valve occurred in 19% of patients. Inconsistent valve depth and severe leaflet calcification were predictors of valve pop-up.

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