Read more Patients could be fitted with heart valves which grow in the body The project is being led by Professor Sir Magdi Yacoub (pictured), a renowned cardiac surgeon An initial group of over ...

After 52 weeks, the valve regenerated as its matrix became populated by cells from the recipient lamb, and the diameter increased from 19 mm to a physiologically normal valve about 25 mm.

The valves also showed reduced calcification and improved blood flow function compared to animal-derived valves currently used when tested in the same growing lamb model.

Chan, J., et al. (2025). Long-term clinical outcomes in patients between the age of 50-70 years receiving biological versus mechanical aortic valve prostheses. European Journal of Cardio-Thoracic ...

Lab-created heart valves can grow with the recipient Date: March 17, 2021 Source: University of Minnesota Summary: Groundbreaking discovery could potentially reduce multiple pediatric heart valve ...