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Related Experiment Video

Updated: Jun 19, 2026

Artificial Thermal Ageing of Polyester Reinforced and Polyvinyl Chloride Coated Technical Fabric
07:48

Artificial Thermal Ageing of Polyester Reinforced and Polyvinyl Chloride Coated Technical Fabric

Published on: January 29, 2020

Textile for heart valve prostheses: fabric long-term durability testing.

Frederic Heim1, Bernard Durand, Nabil Chakfe

  • 1Laboratoire de Physique et Mecanique Textiles, CNRS UMR 7189, ENSISA, Mulhouse, France. Frederic.heim@uha.fr

Journal of Biomedical Materials Research. Part B, Applied Biomaterials
|October 6, 2009
PubMed
Summary

Polyester fabric shows promise for percutaneous heart valve replacement due to its flexibility and durability. Long-term in vitro testing revealed how fatigue stress affects fabric properties, influencing textile heart valve performance.

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Area of Science:

  • Biomaterials Science
  • Medical Devices
  • Textile Engineering

Background:

  • Percutaneous vascular surgery advancements have spurred interest in noninvasive heart valve replacement.
  • Polyester (Dacron) fabric is a potential material for percutaneous heart valves due to its flexibility, biocompatibility, and use in vascular grafts.
  • Limited data exists on the long-term durability of fabric materials used in heart valve prostheses.

Purpose of the Study:

  • To investigate the long-term behavior of microdenier polyester fabric under combined in vitro flexure and tension fatigue.
  • To assess the suitability of polyester fabric for percutaneous heart valve applications.

Main Methods:

  • A novel in vitro testing technique subjected polyester fabric specimens to combined flexural and tensile fatigue.

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Last Updated: Jun 19, 2026

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Published on: January 29, 2020

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  • Fatigue was generated by fluid flow under physiological pressure conditions.
  • Changes in flexural properties and structural integrity were monitored over time.

    • Main Results:

    • Flexural properties of the polyester fabric changed significantly with fatigue time.
    • Fabric structural changes were observed, directly impacting the in vitro performance of textile heart valve prostheses.
    • The study provides insights into the material's response to the dynamic stresses experienced in a heart valve.

    Conclusions:

    • The findings highlight the importance of evaluating fabric material behavior under simulated physiological conditions for percutaneous heart valve development.
    • Polyester fabric's long-term durability under fatigue stress is crucial for its successful application in textile heart valve prostheses.
    • This research contributes to understanding material science for advanced, less invasive cardiac surgical devices.