The group around Prof. Peter Zilla in Cape Town published an interesting review about different materials for prosthetic heart valves: Scherman J, Zilla P. Poorly suited heart valve prostheses heighten the plight of patients with rheumatic heart disease. Int J Cardiol. 2020 May 25;S0167-5273(19)35989-3.

The authors emphasize that decellularized pericardium may be a superior solution for tissue valves than the currently used glutaraldehyde-treated tissue.