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Standardized Technique of Aortic Valve Re-implantation for Valve-sparing Aortic Root Replacement
Published on: December 11, 2017
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Proximal dislocation of a sutureless Perceval valve after the second aortic valve replacement
Kosuke Nakamae1, Takashi Oshitomi1, Masataka Hirota1
1Division of Cardiovascular Surgery, Saiseikai Kumamoto Hospital, 5-3-1, Cikami, Minami-Ku, Kumamoto, 861-4193 Japan.
Indian Journal of Thoracic and Cardiovascular Surgery
|June 22, 2023
Summary
Sutureless aortic valve replacement, while beneficial, carries risks. A case study highlights potential sutureless valve dislocation during redo surgery, emphasizing careful implantation and follow-up.
Area of Science:
- Cardiovascular Surgery
- Medical Device Technology
Background:
- Sutureless aortic valve replacement offers reduced cross-clamping time and favorable hemodynamics.
- However, risks include paravalvular leakage and device migration.
Observation:
- A 74-year-old male with prior aortic valve replacement underwent redo surgery using a sutureless Perceval valve.
- The valve dislocated three months post-implantation, resulting in moderate-to-severe paravalvular leakage.
Findings:
- Redo aortic valve replacement with sutureless devices may increase dislocation risk due to challenges in annulus preparation.
- Difficulty in removing calcification and ensuring precise valve crimping can contribute to complications.
Implications:
- Exploiting a dislodged Perceval valve presents surgical challenges, including aortotomy management and annulus identification.
- While sutureless valves improve outcomes, meticulous implantation technique and vigilant post-operative monitoring are crucial.
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