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Related Experiment Video

Updated: Feb 20, 2026

A Simplified Model for Heterotopic Heart Valve Transplantation in Rodents
06:33

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Engineering surgery-free prosthetic heart valve growth.

Jonathan T Butcher1

  • 1Meinig School of Biomedical Engineering, Cornell University, Ithaca, NY, USA.

Science Advances
|February 18, 2026
PubMed
Summary

A novel valved stent offers a promising solution for children with congenital heart valve disease, potentially reducing the need for repeat surgeries by growing with the child.

Area of Science:

  • Biomedical Engineering
  • Pediatric Cardiology
  • Regenerative Medicine

Background:

  • Congenital heart valve disease necessitates multiple surgeries in children to adjust graft size.
  • Current treatments involve repeated surgical interventions, posing significant risks and burdens.

Purpose of the Study:

  • To introduce a novel valved stent designed for pediatric patients with congenital heart valve disease.
  • To explore the potential of a spontaneously growing valved stent as an alternative to traditional surgical grafts.

Main Methods:

  • Development of a novel valved stent with inherent growth capabilities.
  • Pre-clinical evaluation of the valved stent's performance and integration in a pediatric model.

Main Results:

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  • The spontaneously growing valved stent demonstrated successful integration and functional performance.
  • Preliminary data suggests a reduction in the need for repeat surgical procedures for graft resizing.

Conclusions:

  • The novel valved stent presents a potentially transformative approach for managing congenital heart valve disease in children.
  • This innovative device may significantly improve long-term outcomes and reduce healthcare utilization for affected children.