Replacing human heart valves with pig valves has been a thing at least as far back as the 1970s with decade-ish survival rates.
Granted TFA is about a whole organ -- not just a piece of tissue -- but xenotransplantation per se is not new.
Replacing human heart valves with pig valves has been a thing at least as far back as the 1970s with decade-ish survival rates.
Granted TFA is about a whole organ -- not just a piece of tissue -- but xenotransplantation per se is not new.