“We are devastated by the loss of Mr. Bennett. He proved to be a brave and noble patient who fought all the way to the end. We extend our sincerest condolences to his family,”

Bartley P. Griffith, MD,
University of Maryland Medical Center (UMMC)

The first person in the world to get a heart transplant from a genetically-modified pig has died.
David Bennett, who had terminal heart disease, survived for two months following the surgery in the US.

David Bennett, Sr., the 57 year old patient with terminal heart disease who made history as the first person to receive a genetically modified pig’s heart, passed away on March 8, 2022. Mr. Bennett received the transplant on January 7 and lived for two months following the surgery. His condition began deteriorating several days ago. After it became clear that he would not recover, he was given compassionate palliative care. He was able to communicate with his family during his final hours.
Doctors at the University of Maryland Medical Center were granted a special dispensation by the US medical regulator to carry out the procedure, on the basis that Mr Bennett – who was ineligible for a human transplant – would otherwise have died.

Mr. Bennett at first went to University of Maryland Medical Center as a patient in October 2021, where he was bedridden and placed on a heart-lung bypass machine, called extracorporeal membrane oxygenation (ECMO), to remain alive.

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