Xenotransplantation failure dissipated. An American infant girl known as "Baby Fae" with hypoplastic left heart syndrome was the first infant recipient of a xenotransplantation, when she received a baboon heart in 1983. The procedure was performed by Leonard L. Bailey at Loma Linda University Medical Center in Loma Linda, California. Fae died 21 days later due to a humoral-based graft rejection thought to be caused mainly by an ABO blood type mismatch, considered unavoidable due to the rarity of type O baboons. The graft was meant to be temporary, but unfortunately a suitable allograft replacement could not be found in time.
A Change of Heart (How I Met Your Mother) A Change of Heart (How I Met Your Mother) "A Change of Heart" is the 18th episode of the sixth season of the CBS sitcom "How I Met Your Mother" and the 130th episode overall. It originally aired on February 28, 2011. After Nora announces her intention to marry and settle down, Barney is worried; meanwhile, Robin's new boyfriend displays idiosyncrasies that remind her friends of a dog. The episode received a fairly positive reception, with 9.24 million watching the episode when it first aired. Some critics found elements of the plot cheesy, although the plot twist and character interactions