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September 24, 2018 10:40 pm

Implanted Device Helps Two People With Paralysis Walk Again

An anonymous reader quotes a report from NBC News: At least five people whose legs were completely paralyzed are walking again, two of them with no outside help, thanks to a specialized program of therapy and a pain stimulator implanted in their spines, researchers reported Monday. It's the latest and most dramatic advance in a new approach to treating spinal cord injuries developed at the University of Louisville in Kentucky. The reports show that electrical stimulation of the spine, when combined with a very intense and specialized training program, can re-educate the body and help move the legs even though signals from the brain are cut off. The stimulator is implanted into the epidural layer surrounding the spinal cord, and sends controlled signals into the bundle of nerve tissue. The team also employs intense training techniques to try to get the body to make sense of the signals. "There were three types of training sessions: stepping on a treadmill, over-ground standing, and over-ground walking, with each type of session performed daily," the team wrote in their report, published in the New England Journal of Medicine. Two still need support and help from human trainers, but Marquis and another patient, 23-year-old Kelly Thomas of Citrus County, Florida, can walk alone using a walker or a cane. A second team at the Mayo Clinic reports somewhat similar results using the Louisville approach. In their study, published Monday in Nature Medicine, they report on one of two patients they have treated, who can walk with the assistance of physical trainers.

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