A medical team from the University of Alabama at Birmingham said it had successfully transplanted pig kidneys(肾脏) into a brain-dead human. The operation took place last September, but was first reported January 20, 2022.
Similar operations have taken place in recent months. In October, 2021, doctors at New York University temporarily attached a pig kidney to blood vessels(血管) outside the body of a brain-dead human. And earlier last month, doctors at University of Maryland School of Medicine in Baltimore transplanted a pig heart into a living human patient. In all of the operations, doctors used organs from genetically modified(改良的) pigs provided by Virginia-based medical company Revivicor.
The latest experiment in Alabama was performed on 57-year-old Jim Parsons, who was declared brain-dead after being injured in a motorcycle accident. His family donated his body to science.
For a little more than three days — until the man’s body was removed from life support — the two pig kidneys survived with no signs of immediate rejection, the medical team reported. The results were recently published in a study in the American Journal of Transplantation. Dr. Jayme Locke of the University of Alabama at Birmingham led the new study. She said that the experiment marks the beginning of a planned series of pig kidney transplants.
She added that an important finding of the latest operation helped answer a major question: Could the pig kidney blood vessels survive the force of human blood pressure? She said the operation proved that the answer was yes.
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