Abstract
Transcatheter aortic valve implantation (TAVI) has become a popular alternative technique to surgical valve replacement for critical patients. Biological valve tissue has been used in TAVI procedures for over a decade, with over 150,000 implantations to date. However, with only 6 years of follow up, little is known about the long-term durability of biological tissue. Moreover, the high cost of tissue harvesting and chemical treatment procedures favor the development of alternative synthetic valve leaflet materials. In that context, textile polyester [polyethylene terephthalate (PET)] could be considered as an interesting candidate to replace the biological valve leaflets in TAVI procedures. However, no result is available in the literature about the behavior of textile once in contact with biological tissue in the valve position. The interaction of synthetic textile material with living tissues should be comparable to biological tissue. The purpose of this preliminary work is to compare the in vivo performances of various woven textile PET valves over a 6-month period in order to identify favorable textile construction features. In vivo results indicate that fibrosis as well as calcium deposit can be limited with an appropriate material design.
Author Statement
Research funding: This work was partly supported by the French ANR: ANR-12-EMMA-0001.
Conflicts of interest: The authors declare no conflicts of interest.
Informed consent: Informed consent is not applicable.
Ethical approval: The research related to the animal use complies with all the relevant national regulations and institutional policies.
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©2018 Walter de Gruyter GmbH, Berlin/Boston
Articles in the same Issue
- Frontmatter
- Editorial
- The role of textile engineering in regenerative medicine
- Research articles
- Fibrous composite material for textile heart valve design: in vitro assessment
- Electro-spun PLA-PEG-yarns for tissue engineering applications
- Preparation, characterization and blood compatibility assessment of a novel electrospun nanocomposite comprising polyurethane and ayurvedic-indhulekha oil for tissue engineering applications
- Three-dimensional bioglass-collagen-phosphatidylserine scaffolds designed with functionally graded structure and mechanical features
- Differential mineralization of human dental pulp stem cells on diverse polymers
- Heart valves from polyester fibers: a preliminary 6-month in vivo study
- Adaptation of cardiovascular system stent implants
- Synthesizing selenium- and silver-substituted hydroxyapatite-based bone grafts and their effects on antibacterial efficiency and cell viability
- Long-term recording performance and biocompatibility of chronically implanted cylindrically-shaped, polymer-based neural interfaces
- Morphology and contractile gene expression of adipose-derived mesenchymal stem cells in response to short-term cyclic uniaxial strain and TGF-β1
- A novel ceramic tibial component is as safe as its metal counterpart
- Short communication
- Hybrid textile heart valve prosthesis: preliminary in vitro evaluation
Articles in the same Issue
- Frontmatter
- Editorial
- The role of textile engineering in regenerative medicine
- Research articles
- Fibrous composite material for textile heart valve design: in vitro assessment
- Electro-spun PLA-PEG-yarns for tissue engineering applications
- Preparation, characterization and blood compatibility assessment of a novel electrospun nanocomposite comprising polyurethane and ayurvedic-indhulekha oil for tissue engineering applications
- Three-dimensional bioglass-collagen-phosphatidylserine scaffolds designed with functionally graded structure and mechanical features
- Differential mineralization of human dental pulp stem cells on diverse polymers
- Heart valves from polyester fibers: a preliminary 6-month in vivo study
- Adaptation of cardiovascular system stent implants
- Synthesizing selenium- and silver-substituted hydroxyapatite-based bone grafts and their effects on antibacterial efficiency and cell viability
- Long-term recording performance and biocompatibility of chronically implanted cylindrically-shaped, polymer-based neural interfaces
- Morphology and contractile gene expression of adipose-derived mesenchymal stem cells in response to short-term cyclic uniaxial strain and TGF-β1
- A novel ceramic tibial component is as safe as its metal counterpart
- Short communication
- Hybrid textile heart valve prosthesis: preliminary in vitro evaluation