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Experimental Spinal Cord Treatment Help Texas Man Regaining Some Exercise After Paralyzing Accident



Kent Stephenson is on a treadmill, working to put one foot in front of the other as a team of trainers helps guide his legs. There's a harness holding him upright, but Stephenson is, in a sense, walking again – 10 years after a motocross accidentally left him paralyzed.

"Going off the face of a jump, my motor locked up and I tried to jump away. It didn't work for me, I landed and cartwheeled, somersaults and everything, "Stephenson says. "I pretty much knew that I couldn't move my legs."

A few years after his injury, Stephenson came to Louisville from his home in Texas to part of an experimental treatment for spinal cord injuries that has helped him regain some motion, even if scientists caution will never make a full recovery.

The woman behind that research is Dr. Susan Harkema, Rehabilitation Research Director at the Kentucky Spinal Cord Injury Research Center and director of research at the Frazier Rehab Institute.

In her office at the University of Louisville, Harkema says spinal cord injuries affect a lot more than a person's voluntary movements .

"Somebody's paralyzed and literally almost everything is taken away from them," she says. "They don't breathe as well, their heart doesn't work as well, they can't eat bowel, leaf, sexual function, they can't regulate their temperature. before. "

Harkema says her team of researchers is seeking" incremental victories over paralysis "- not a cure for spinal cord injuries. But even those small wins mean major improvements for a patient's quality of life. [TodothatHarkema'slabispioneeringanewapplicationforamedicaldevicecalledanepiduralstimulatorIt'sasurgicalimplantthatissenttoacontinuouselectricalcurrentatthenervoussystemandissometimesusedtotreatpain

 Kent Stephenson during treatment at the Kentucky Spinal Cord Injury Research Center. (Jeremy Hobson / Here & Now)
Kent Stephenson at the Kentucky Spinal Cord Injury Research Center. (Jeremy Hobson / Here & Now)

Harkema and her colleagues found that when they used the device to stimulate the lower portions of a patient's spinal cord, it could help some people with spinal cord injuries regain voluntary motion in their lower bodies.

That discovery meant it might be possible to restore some motion and physiological functions once thought to be lost forever, without actually repairing the neurological gap created by the spinal cord injury itself

"After a spinal cord injury, as devastating if that is, it's only where the bone is broken that the neurons are. And that's thousands of neurons, but there are millions more below the injury that are still alive and healthy and under the right conditions can function, "Harkema says. "We've never targeted those for recovery, and that's what we do here." "Nobody is back to where they were before the injury, but we've had people who couldn't move their legs who can now move their legs, "she says.

For Stephenson, who is now 31, those incremental victories have meant major improvements in his outlook for recovery. After his session on the treadmill, Stephenson says he's come a long way since his injury 10 years ago.

"I got all my voluntary movements back and my independent standing is coming back," he says. "I can feel all this coming back, just coming back around, coming back alive, it feels like." Stephenson is one of just 21 people who have received the epidural stimulator treatment for a spinal cord injury so far. Harkema cautions that it is not suitable for everybody with a spinal cord injury, and that there are always risks with surgery, especially for people whose immune systems might be compromised by a spinal cord injury.

But the researchers hope approval from the Food and Drug Administration will allow medical device manufacturers, insurers and other parts of the healthcare industry to expand the reach of this new treatment.

"The challenge is access," Harkema says. "Sometimes I say the science is the easy part. It's all these things that are more difficult. All the stakeholders have to get together to get the delivery there. And there are still more discoveries to be made. Harkema's work has received funding from the National Institutes of Health and many other groups, including the Christopher and Dana Reeve Foundation, the Craig H. Neilsen Foundation and the Helmsley Charitable Trust.

Beyond the funding, though, Harkema says what keeps her focused on spinal cord research is the patients themselves.

"This is an incredible group of people who you can't even imagine how hard every minute of every day is, and their strength and courage and incredible motivation that they have just got through the day, that in itself is inspiring, "she says," and so it's easy to be dedicated. "


Chris Bentley produced and edited this story for bro adcast with Kathleen McKenna. Samantha Raphelson adapted it for the web.


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