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A Journal on Heart and Vascular Diseases

Official Journal of the Italian Society of Angiology and Vascular Pathology
Indexed/Abstracted in: EMBASE, PubMed/MEDLINE, Science Citation Index Expanded (SciSearch), Scopus
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Minerva Cardioangiologica 2008 October;56(5):543-56

language: English

Transcatheter heart valves for the treatment of aortic stenosis: state-of-the-art

Del Valle-Fernández R., Ruiz C. E.

Department of Cardiac and Vascular Interventional Services Lenox Hill Heart and Vascular Institute of New York, New York, NY, USA


Degenerative aortic stenosis is the most frequent heart valve disease. As an alternative to surgical aortic valve replacement, several companies are working on the development of new prosthesis designed to be deployed by transcatheter approaches. Both transfemoral and transapical techniques are feasible, and initial trials in high-risk patients show good procedural outcomes and mid-term (up to 2 years) functionality. Two first-generation prosthesis (Edwards-SAPIEN™ and CoreValve Revalving System) are commercially available in Europe, and a number of other second-generation valves (with the capabilities of repositioning and retrievability) are under evaluation. Among them, the Sadra-Lotus Valve, The Direct Flow Medical valve and the Paniagua Heart Valve have published first-in-man results; the JenaValve and AorTx devices have also been temporarily implanted in humans. The development of repositionable and retrievable prosthesis with improved profile is mandatory, and it is the main focus of current projects. Not only technical improvements but also operators specialization and an optimal patient selection are essential to improve these initial results. Some procedural challenges need to be overcome prior to the expansion of these techniques to lower risk groups, and time is needed for detailed long-term outcomes and risk estimations. Only with a close collaboration among different specialists, basic researchers and the industry will the future development of transcatheter aortic implantation techniques be ensured.

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