Here are some of the latest health and medical news
developments, compiled by the editors of HealthDay:
New Technology Enables Quadriplegic to Move Hand
A new technology that translates brain messages into muscle
movement enabled a quadriplegic man to move his hand.
Ian Burkhart, 19, became paralyzed from the chest down as a
result of a swimming accident. A few months ago, he underwent
surgery at the Ohio State University Wexner Medical Center to have
a microchip implanted in his brain,
The microchip is linked to a port in Burkhart's skull, and the
port is connected by cable to a computer. The microchip picks up
brain signals and sends them to the computer, which decodes the
messages and beams them to electrodes around Burkhart's
The system -- called Neurobridge -- was developed by Battelle, a
non-profit research center.
In the first test of the technology, Burkhart was able to extend
his fingers and clasp a spoon. While such movement may seem minor,
no person in Burkharts' condition had ever done it the way he did,
"Today was great," Burkhart said after last Wednesday's test. "I mean, to be able to open and close my hand and do those complex movements that I haven't been able to do for four years was great. Physically, it was a foreign feeling. Emotionally it was definitely a sense of hope and excitement to know that it's possible."
The results are encouraging, according to Dr. Ali Rezai,
"I do believe there will be a day coming soon when somebody who's got a disability -- being a quadriplegic or somebody with a stroke, somebody with any kind of brain injury -- can use the power of their mind and by thinking, be able to move their arms or legs," Rezai told CBS News.
FDA Releases Nanotechnology Oversight Policy
Final recommendations for companies that use nanotechnology in
products was released Tuesday by the U.S. Food and Drug
Food, cosmetics and medical therapies are among the products in
which nanotechnology can be used, and the FDA wants manufacturers
to consult with the agency before introducing new nanotechnology
However, companies will make the final decision on whether
nanotechnology products will be sold to the public.
"We are taking a prudent scientific approach to assess each product on its own merits and are not making broad, general assumptions about the safety of nanotechnology products," FDA Commissioner Margaret Hamburg said in a statement, the APreported.
New Concussion Guidelines Focus on Youngsters
New concussion guidelines just for children and teens have been
released by Canadian experts.
Current concussion recommendations focus on adults and
sports-related head injuries, and there was a need for guidelines
specifically targeting patients ages five to 18, project leader Dr.
Roger Zemek told
The new guidelines -- created by emergency medicine researchers
at the Children's Hospital of Eastern Ontario and the Ontario
Neurotrauma Foundation -- are meant to be used by health care
providers, parents, teachers and coaches.
"Children and adolescents are actually at a higher risk of developing concussions than adults, and we also know that children are at a higher risk of having prolonged symptoms," Zemek told CBC News.
"There's been recommendations out there for adults, there's been recommendations specific to sports but we know that children do not necessarily act like little adults at all times and we know that the developing brain is unique."
CBC Newsthat the new guidelines emphasize three main things:
how to recognize a concussion; how to determine if a family doctor,
emergency doctor or pediatric specialist is needed; and that
concussion needs to be treated with rest.
The recommendations were developed after the team spent more
than two years analyzing more than 4,000 research papers in a wide
range of child health fields, including neurology, emergency
medicine, family medicine and rehabilitation.
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