An American lived for a record 271 days with a transplanted pig kidney before Boston doctors replaced it with a human kidney earlier this year — a transplant that has kept him alive ever since, researchers say.

An American lived for a record 271 days with a transplanted pig kidney before Boston doctors replaced it with a human kidney earlier this year — a transplant that has kept him alive ever since, researchers say. ↧ Pig kidney works for a record 271 days inside the body of American ... The transplant led to “sustained dialysis independence” for nearly nine months before Tim Andrews, now 68, received a human kidney earlier this year, according to The Lancet.