Abstract
Purpose: Over the past 30 years there have been experimental efforts at catheter-based management of aortic valve regurgitation with the idea of extending treatment to nonsurgical candidates. A new catheter-based aortic valve design is described.
Methods: The new catheter-delivered valve consists of a stent-based valve cage with locking mechanism and a prosthetic flexible tilting valve disc. The valve cage is delivered first followed by deployment and locking of the disc. In acute experiments, valve implantation was done in four dogs.
Results: Valve implantation was successful in all four animals. The implanted valve functioned well for the duration of the experiments (up to 3 hr).
Conclusion: The study showed the implantation feasibility and short-term function of the tested catheter-based aortic disc valve. Further experimental studies are warranted.
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Šochman, J., Peregrin, J., Pavčnik, D. et al. Percutaneous Transcatheter Aortic Disc Valve Prosthesis Implantation: A Feasibility Study. Cardiovasc Intervent Radiol 23, 384–388 (2000). https://doi.org/10.1007/s002700010060
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DOI: https://doi.org/10.1007/s002700010060