The procedures employ grafting and splicing tactics to reroute healthy nerves to paralyzed muscles. In rare cases, surgeons are trying nerve transplants, in which nerves are taken from a live donor and implanted in an injured patient.
The new surgeries aren't useful in treating the devastating paralysis that can result from spinal-cord injuries or stroke. But they are showing promise in so-called peripheral-nerve injuries, which often lead to paralysis in localized areas of the body, such as an arm, shoulder or hand."
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