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Related Experiment Videos

Development of an artificial heart valve.

V O Björk1

  • 1Karolinska Hospital, Stockholm, Sweden.

The Annals of Thoracic Surgery
|July 1, 1990
PubMed
Summary

Mechanical heart valves require lifelong anticoagulation therapy, increasing bleeding risks. A modified Björk-Shiley valve in goats demonstrated 5-year survival without anticoagulation, suggesting improved patient quality of life.

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Area of Science:

  • Biomaterials Science
  • Cardiovascular Surgery
  • Medical Device Engineering

Background:

  • Mechanical heart valves, including Björk-Shiley tilting disc valves, necessitate lifelong anticoagulation therapy.
  • Anticoagulation therapy is associated with significant risks, including bleeding, which is a leading cause of death after aortic valve replacement.
  • There is a critical need for heart valve alternatives that reduce or eliminate the need for anticoagulation, improving patient quality of life, particularly for vulnerable populations.