Electro-stimulation helps paraplegic patients walk again
Electro-stimulation helps paraplegic patients walk again
Media playback is unsupported on your device Media caption'I always dreamed of walking again
02 November, 2018, 22:00
"All the patients could walk using body weight support within one week", says Blotch. "After a few months, participants regained voluntary control over previously paralysed muscles without stimulation and could walk or cycle in ecological settings during spatiotemporal stimulation", Fabien Wagner and his colleagues wrote in the study.
After several months of intense physical therapy, the patients could start walking hands-free.
The study achieves an unprecedented level of precision in electrically stimulating spinal cords, which the researchers said was "as precise as a Swiss watch".
"It was the first time I've seen the recovery of voluntary movement without stimulation, which is true neurological recovery", Professor Courtine said.
"If we can stimulate the central nervous system and peripheral nervous system at the same time, the additive effects could restart touch perception and movement in some people".
Most people don't have to think about walking.
"This opens a completely novel avenue for spinal cord injury rehabilitation".
But scientists have been hopeful that these nerve pathways in the spinal cord can be repaired by tapping into certain populations of nerve cells, called neural circuits, that are found in the spinal column. Now, the latest of three recent studies might prove them wrong.
A man with a spinal-cord injury leaving him wheelchair bound has been able to walk thanks to a revolutionary new spinal implant. During the study, they used electrical stimulation to give motor neurons extra excitement and boost the remaining connections to the brain. This device, manufactured by Medtronic, is already on the market for deep brain stimulation for Parkinson's disease. There are some connections still intact, but might not be enough to allow mobility. "It's turning up the volume, turning up the excitability of the spinal circuits below the injury".
However, neurostimulation for paralysis is still in its early stages, and scientists don't know exactly how it works to restore movement, says Kristin Zhao, an investigator at the Mayo Clinic and author of one of the September papers.
David M'zee, a 30-year-old Swiss man who was told by doctors he would never walk again after a sporting accident, is now able to walk around half a mile with the implant turned on. The team's cocktail ofneuronactivating chemicals and electrical stimulation might be a precursor to future treatments for disabled humans, researchers say. Continuous electrical stimulation of the spine may overwhelm communication the lower limbs are trying to send to the spinal cord, Courtine and his colleagues report in a second paper also published Wednesday in Nature Neuroscience.
While the results are exciting, it's important to keep in mind that paraplegics have other needs that go beyond walking, Moritz adds.
Previous studies have revealed that "the spinal cord has its own intelligence system that controls walking", said Dr. Thomas Oxley, director of innovation strategy for the Mount Sinai Health System Department of Neurology in New York City. "It doesn't need the brain to walk", Oxley said.
Even within the small group of three patients, the results have been markedly different.
Breakthrough: Spinal cord injuries can severely reduce a person's range of motion or lead to complete leg paralysis.
This is the moment the bouncer seems to fall to the floor, having been locked in the chokehold for a few seconds. Nightclub customers were seen running to help the attacked doorman as he woke up dazed on the dancefloor.
Sean Matteson said Moorthy stood out from the crowd enjoying sunset at the overlook because her hair was dyed bright pink. Richards said that so far 10 people have died in the park this year, and six of those park visitors fell to their deaths.
For the London-Haneda flight, the airline operates the route with three pilots aboard although the flying time is under 12 hours. The British Airways pilot was jailed for eight months after reporting for duty while four times over the limit.
In his initial reaction to the shooting, President Trump said, "It looks definitely like it's an anti-Semitic crime". Yet despite that, Israelis don't pick up and leave; as poll after poll shows, they live happy and proud lives.
The data excludes untouched wilderness in Antarctica and on the high seas that is not contained within national borders. They can also establish protected areas to slow the spread of industrial activity into wilderness.
NASAAn illustration of the Transiting Exoplanet Survey Satellite (TESS ) detecting potentially habitable alien worlds . But after nine years and seven months of exploring the universe, the telescope has run out of fuel.
Cornell's widow frequently tweets about her late husband, sharing his music, his message and his voice with the world. Chris was founded dead in his Detroit hotel room in May 2017 and his death was ruled as suicide.
They discussed migrant workers' rights as well as the importance of having consular notification when carrying out executions. The group has now called for Indonesia's Government to cancel any agreement on migrant workers with Saudi Arabia.
Oil drops as wave of supply meets global economic gloom
Front-month Brent crude oil futures were at $77,18 a barrel at 0518 GMT, down 16 cents, or 0,2 percent, from their last close. Companies in some countries may also defy the sanctions and channel payments in a way that it avoids the US financial system.
China Premier Li Keqiang is optimistic on US-China relations
Xi also said he and Trump expressed hopes to expand bilateral trade cooperation, Xi was quoted as saying on CCTV state television. Trump said trade talks were "moving along nicely" and that meetings were "being scheduled" at the G20 summit in Buenos Aires.
Chinese, Pakistan leaders prepare to meet amid debt concerns
The launch of the bus service coincides with Pakistan Prime Minister Imran Khan's five-day China visit that began on Thursday. The prime minister thanked the Chinese President as well as the government and people of China for their warm sentiments.
Two Hurt In Sony Music HQ "Machete" Attack In West London
A machete-wielding maniac injured two people inside the headquarters of Sony Music in London on Friday before he was arrested. A London Ambulance Service spokesperson said: "We were called at 11:01 today to Derry Street, W8, to reports of an incident".