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DiversityNursing Blog

Dog Escapes From Home, Sneaks Into Hospital 20 Blocks Away To Comfort Sick Owner

Posted by Erica Bettencourt

Mon, Feb 16, 2015 @ 11:04 AM

By Ryan Grenoble

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"Dogged determination" has a mascot, and it's a miniature schnauzer named "Sissy."

On Sunday, the dog escaped from her yard in Cedar Rapids, Iowa, walked 15 to 20 blocks to the hospital, and then sneaked inside to find her human, Nancy Franck, who has been there recovering from cancer surgery for the last several weeks.

Security camera footage from the hospital shows Sissy enter the building via two sets of motion-activated doors. Once inside, the dog looks around, then puts her nose to the ground and heads straight down the hall, appearing to sniff out a trail.

"We looked up and there was this dog just that was just running across the lobby,” Mercy Medical Center security officer Samantha Conrad told KCRG. Conrad said they looked at her tags and called Sissy's home. Nancy's husband, Dale, answered and was relieved to conclude an hours-long search for the dog.

Sadly, Sissy couldn't stay in the hospital, but she was permitted to briefly visit with Nancy before Dale took her back home.

Nancy told KWWL it was "a big boost" to spend time with the devoted dog. "It helped a lot," she said, "just to see her and talk to her."

The Francks say they've never taken Sissy to the hospital, reports note, so they aren't sure how she knew to navigate there. Since Nancy works in a building near the hospital, they speculated the dog had been in the car when Nancy was dropped off one day, and somehow found her way back.

Source: www.huffingtonpost.com

Topics: surgery, recovery, dog, cancer, hospital, patient, owner

Artificially Intelligent Robot Scientist 'Eve' Could Boost Search For New Drugs

Posted by Erica Bettencourt

Wed, Feb 04, 2015 @ 02:08 PM

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Eve, an artificially-intelligent 'robot scientist' could make drug discovery faster and much cheaper, say researchers writing in the Royal Society journal Interface. The team has demonstrated the success of the approach as Eve discovered that a compound shown to have anti-cancer properties might also be used in the fight against malaria.

Robot scientists are a natural extension of the trend of increased involvement of automation in science. They can automatically develop and test hypotheses to explain observations, run experiments using laboratory robotics, interpret the results to amend their hypotheses, and then repeat the cycle, automating high-throughput hypothesis-led research. Robot scientists are also well suited to recording scientific knowledge: as the experiments are conceived and executed automatically by computer, it is possible to completely capture and digitally curate all aspects of the scientific process.

In 2009, Adam, a robot scientist developed by researchers at the Universities of Aberystwyth and Cambridge, became the first machine to independently discover new scientific knowledge. The same team has now developed Eve, based at the University of Manchester, whose purpose is to speed up the drug discovery process and make it more economical. In the study published today, they describe how the robot can help identify promising new drug candidates for malaria and neglected tropical diseases such as African sleeping sickness and Chagas' disease.

"Neglected tropical diseases are a scourge of humanity, infecting hundreds of millions of people, and killing millions of people every year," says Professor Steve Oliver from the Cambridge Systems Biology Centre and the Department of Biochemistry at the University of Cambridge. "We know what causes these diseases and that we can, in theory, attack the parasites that cause them using small molecule drugs. But the cost and speed of drug discovery and the economic return make them unattractive to the pharmaceutical industry.

"Eve exploits its artificial intelligence to learn from early successes in her screens and select compounds that have a high probability of being active against the chosen drug target. A smart screening system, based on genetically engineered yeast, is used. This allows Eve to exclude compounds that are toxic to cells and select those that block the action of the parasite protein while leaving any equivalent human protein unscathed. This reduces the costs, uncertainty, and time involved in drug screening, and has the potential to improve the lives of millions of people worldwide."

Eve is designed to automate early-stage drug design. First, she systematically tests each member from a large set of compounds in the standard brute-force way of conventional mass screening. The compounds are screened against assays (tests) designed to be automatically engineered, and can be generated much faster and more cheaply than the bespoke assays that are currently standard. This enables more types of assay to be applied, more efficient use of screening facilities to be made, and thereby increases the probability of a discovery within a given budget.

Eve's robotic system is capable of screening over 10,000 compounds per day. However, while simple to automate, mass screening is still relatively slow and wasteful of resources as every compound in the library is tested. It is also unintelligent, as it makes no use of what is learnt during screening.

To improve this process, Eve selects at random a subset of the library to find compounds that pass the first assay; any 'hits' are re-tested multiple times to reduce the probability of false positives. Taking this set of confirmed hits, Eve uses statistics and machine learning to predict new structures that might score better against the assays. Although she currently does not have the ability to synthesise such compounds, future versions of the robot could potentially incorporate this feature.

Professor Ross King, from the Manchester Institute of Biotechnology at the University of Manchester, says: "Every industry now benefits from automation and science is no exception. Bringing in machine learning to make this process intelligent -- rather than just a 'brute force' approach -- could greatly speed up scientific progress and potentially reap huge rewards."

To test the viability of the approach, the researchers developed assays targeting key molecules from parasites responsible for diseases such as malaria, Chagas' disease and schistosomiasis and tested against these a library of approximately 1,500 clinically approved compounds. Through this, Eve showed that a compound that has previously been investigated as an anti-cancer drug inhibits a key molecule known as DHFR in the malaria parasite. Drugs that inhibit this molecule are currently routinely used to protect against malaria, and are given to over a million children; however, the emergence of strains of parasites resistant to existing drugs means that the search for new drugs is becoming increasingly more urgent.

"Despite extensive efforts, no one has been able to find a new antimalarial that targets DHFR and is able to pass clinical trials," adds Professor King. "Eve's discovery could be even more significant than just demonstrating a new approach to drug discovery."

The research was supported by the Biotechnology & Biological Sciences Research Council and the European Commission.

Source: www.sciencedaily.com

Topics: science, infections, malaria, A.I, artificial intelligence, robot, scientist, health, healthcare, research, medical, cancer, medicine, patient, treatment

Nursing Credentials Matter To Patients, Employers And Nurses

Posted by Erica Bettencourt

Mon, Jan 26, 2015 @ 12:23 PM

By Debra Anscombe Wood, RN

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While credentials may seem like an alphabet soup after one’s name, the letters tell the world much about a nurse’s qualifications, including licensure, certifications and fellowships.  

“Credentials are not only a source of pride for the nurse, but communicate to patients, colleagues and hospital leaders the nurse’s commitment to standards of excellence,” said Mary Frances Pate, PhD, RN, CNS, associate professor at the University of Portland School of Nursing in Oregon and chairwoman of the board of directors for AACN Certification Corporation, the certification organization for the American Association of Critical-Care Nurses.

Other academic nurses agree. “Credentials matter to the public,” said Rebecca M. Patton, MSN, RN, CNOR, FAAN, Lucy Jo Atkinson Scholar in Perioperative Nursing at Case Western Reserve University in Cleveland, adding that they also demonstrate growth and lifelong learning valuable to the nurse and to nurse managers and administrators.

Depending on the position, “some nursing positions require certification demonstrating expertise, and some do not,” said Robert Hanks, PhD, FNP-C, RNC, assistant professor and clinical/FNP track director at the University of Texas Health Science Center at Houston School of Nursing. 

Marianne Horahan, MBA, MPH, RN, CPHQ, director of certification services at the American Nurses Credentialing Center, reported an increase in certification applications this year, in part because of employers’ promotion of certification. A new “Success Pays” program allows the hospital to directly pay for successful exam completion. 

Employers also seek nurses with degrees, as evidence suggests organizations with a higher percentage of BSN- or MSN-prepared nurses have greater patient outcomes, said Paulette Heitmeyer, MSN/ED, RN, CNO at Marina Del Rey Hospital in California. 

Pate said nurses whose clinical skills and judgment have been validated through certification often make patient care decisions with greater confidence, recognize problems and intervene appropriately.

While many believe credentials lead to better care and patient outcomes, research is limited. The Institute of Medicine recently released a research agenda to help fill this gap. 

Nurses should list the highest degree first, immediately after their name, then licensure, any state designations, national certifications, awards, honors and other recognitions, according to the ANCC. 

“Certification provides a foundation for lifelong learning and professional development,” Horahan said. “The purpose of certification is to assure the public that this individual has mastered the body of knowledge and acquired skills in the specialty.”

Source: http://news.nurse.com

Topics: jobs, experience, emergency, Nursing Nurse, credentials, certificates, titles, certification, patitents, training, nurses, medical, hospital, patient, career

Coma Patients Show Improved Recovery From Hearing Family Voices

Posted by Erica Bettencourt

Mon, Jan 26, 2015 @ 12:12 PM

By David McNamee

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It has been a dramatic plot device within countless movies and soap operas, but now a new study from Northwestern Medicine and Hines VA Hospital, both in Illinois, has attempted to answer the question: can the voices of family members and loved ones really wake coma patients from unconsciousness?

A coma is defined as an unconscious condition in which the patient is unable to open their eyes. When a patient begins to recover from a coma, they progress first to a minimally conscious or "vegetative state," though these states can last anywhere from a few weeks to several years.

Lead author Theresa Pape was inspired to conduct the new study - the results of which are published in the journal Neurorehabilitation and Neural Repair - while working as a speech therapist for coma patients with traumatic brain injuries. Pape observed that patients appeared to respond better to family members than to strangers.

From this, Pape began to wonder if patients' ability to recover might be increased if therapists were able to stimulate and exercise people's brains while they were unconscious.

As part of the randomized, placebo-controlled study, 15 patients with traumatic closed head injuries who were in a minimally conscious state were enrolled to Familiar Auditory Sensory Training (FAST). The 12 men and three women had an average age of 35 and had been in a vegetative state for an average of 70 days before the FAST treatment began.

At the start of the study, Pape and her colleagues used bells and whistles to test how responsive the patients were to sensory information. They also assessed whether the patients were able to follow directions to open their eyes or if they could visually track someone walking across the room.

Magnetic resonance imaging (MRI) was also used to get a baseline impression of how blood oxygen levels in the patients' brains changed while listening to both familiar and unfamiliar voices tell different stories.

The therapists then asked the patients' families to look at photo albums to identify and piece together at least eight important stories concerning events that the patient and their family took part in together.

"It could be a family wedding or a special road trip together, such as going to visit colleges," Pape explains. "It had to be something they'd remember, and we needed to bring the stories to life with sensations, temperature and movement. Families would describe the air rushing past the patient as he rode in the Corvette with the top down or the cold air on his face as he skied down a mountain slope."

Patients were more responsive to unfamiliar voices after 6 weeks of therapy

The stories were rehearsed and recorded by the families and then played to the coma patients for 6 weeks. Following this listening period, the MRI tests were repeated, with blood oxygen levels being taken while the patients listened to their stories being told by familiar and unfamiliar voices.

The MRI recorded a change in oxygen levels when the unfamiliar voice was telling the story, but there was no change from baseline levels for the familiar voice.

Pape says that these findings demonstrate a greater ability to process and understand speech among the patients, as they are more responsive to the unfamiliar voice telling the story: "At baseline they didn't pay attention to that non-familiar voice. But now they are processing what that person is saying.''

At this point in the treatment, the researchers also found that the patients were less responsive to the sound of a small bell ringing than they had been at the start of the study. The team believes that this indicates the patients were now better able to discriminate between different types of audio information and decide what is most important to listen to.

"Mom's voice telling them familiar stories over and over helped their brains pay attention to important information rather than the bell," Pape says. "They were able to filter out what was relevant and what wasn't."

The first 2 weeks were found to be the most important period for treatment and demonstrated the biggest gains. The remaining 4 weeks of treatment saw smaller, more incremental gains.

"This gives families hope and something they can control," Pape says of the treatment, recommending that families work with a therapist to help construct stories that augment the other therapies the patient may be undergoing.

Now, the team is analyzing the study data to investigate whether the FAST treatment strengthened axons - the fibers that make up the brain's "wiring" and transmit signals between neurons.

Source: www.medicalnewstoday.com

Topics: recovery, coma, voices, family, nurse, research, medical, hospital, patient, treatment, physicians

How This Terminally Ill 'Super Fan' Scored Front-Row Patriots Tickets

Posted by Erica Bettencourt

Wed, Jan 21, 2015 @ 10:54 AM

By LIZ NEPORENT

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Cathy Nichols and son Jason were front and center at the National Football League playoff game last Sunday to witness her beloved New England Patriots clinch a spot in this year’s Super Bowl.

The Fayette, Maine, resident, 59, had been diagnosed with terminal cancer just two days before the big game. She said it was the support of a close-knit community, and the generosity of the Patriots, that brought her to what she believed will be the last football game she will attend.

“My son and I are super fans and when I got the diagnosis, I told him we probably weren’t going to get to go to many more games,” Nichols told ABC News today. “Now, not only did I get to see them play, but I was at a playoff game; it was just unbelievable.”

Nichols’ worship of Tom Brady and all things Patriots is well known at Spruce Mountain High School in Jay, Maine, where she works as a special education teacher. So when she confided in several work friends about her illness, they immediately contacted a local sportscaster, who, in turn, reached out to the Patriots.

By Friday night, a team representative had called Nichols to offer her two tickets in the owner’s box to the playoff game.

Despite her rollercoaster of a week, Nichols said she was touched by the outpouring from friends and strangers alike.

“It isn't just the tickets, they’re doing fund-raisers and I’m getting calls from students and athletes I coached more than 25 years ago,” the former cheerleader coach said.

At Sunday’s game she not only had the best seats in the house, she was given field passes so she could watch the pregame warm-ups. Team owner Robert Kraft even called down to the field to make sure she was having a good time, before she returned to the box.

Nichols said she knows an invite to the Super Bowl was in the works but she put a stop to it. Doctors believe the disease may have already spread from her pancreases to her liver, she said, and she may only have six months to live. She doesn't feel strong enough to make the trip to Arizona for the February game.

But Nichols said she isn't bitter. Far from it.

“I am a very fortunate woman to have all this support and it makes me determined to be here as long as I can,” she said. “But I've lived a good life and I want to focus on quality of life over quantity.”

Source: http://abcnews.go.com

Topics: diagnosis, teacher, football, Patriots, playoffs, Super Bowl, health, healthcare, health care, medical, terminally ill, patient, treatment

Boy, 7, Surprised with Awesome Star Wars Prosthetic Arm

Posted by Erica Bettencourt

Wed, Jan 14, 2015 @ 01:50 PM

By LIZ NEPORENT

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Just like Luke Skywalker, 7-year-old Liam Porter of Augusta Georgia has been given a brand new arm.

Porter, who was born without the lower part of his left arm, was recently surprised with a prosthetic arm modeled after the Imperial Clone Troopers in Star Wars.

“Liam wants it made clear it is a Clone Trooper not a Storm Trooper arm,” said his mother Ryan Porter.

In the Star Wars movies, Clone Troopers are the good guys and Storm Troopers are evil.

Porter used to have a traditional prosthesis but it was boring and clunky, John Peterson, the limb’s designer said. The boy thinks the new arm is not only “extremely awesome,” it’s lighter and easier to move. It has a clamp on it and a rail system to slide different attachments on and off. As he grows, the arm can be adjusted.

Porter’s space-age appendage was a arranged by E-nable, a global network of volunteers who 3D print mechanical hands and arms for kids in need then give them away for free.

Jon Schull, E-nable’s founder, is also a research scientist at the Rochester Institute of Technology. He said the group pairs each child with a “maker” who takes a basic prosthetic design and customizes it.

Peterson went above and beyond, Schull noted.

“I believe this is the first Clone Trooper arm we’ve done,” Schull said.

The arm took about three months to make and cost about $300, according to Peterson. The price tag for a typical prosthetic arm is upwards of $9,000, Schull pointed out.

In its first year, E-nable has given away more than 700 arms and hands. Members of 501st Georgia Garrison, a group of people who dress up as Storm (and Clone) Troopers, presented Porter with his at a surprise ceremony held at a local movie theater.

“He was actually speechless, which for him is a rarity,” his mom said. “It’s amazing John donated his time and own money to make this happen, just to see the joy on my son’s face.”

Source: http://abcnews.go.com

Topics: physician, boy, prosthetic arm, Star Wars, storm trooper, Clone trooper, 3-D printed, mechanical hands, movie, designer, nurse, hospital, patient

Georgia Boy Among First To Receive Experimental Medical Marijuana Drug

Posted by Erica Bettencourt

Fri, Jan 02, 2015 @ 11:36 AM

By LIZ NEPORENT

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A 7-year-old boy is one of the first people in the country to receive a potent form of medical marijuana as part of an “extended use” clinical trial to reduce seizures.

Preston Weaver, who lives in Athens, Georgia, has Lennox-Gastaut syndrome which is a severe form of epilepsy. He experiences up to 100 seizures a day, although many are confined to his brain and aren’t noticeable to an observer. There is no known cure for the condition.

“Today’s the day, buddy. We’re not going to have any more of those,” his mom Valarie Weaver, 36, said she told her son as the headed to his first treatment Tuesday.

Her son can't see, walk or talk, Weaver said. Although he's 7, his behavior is more like that of a 2-month-old. But he lights up when he goes in the water and he seems to love the feel of the sun and the wind, Weaver said.

"Our hope is that this treatment will calm down his brain enough so that he will start communicating with us," she said.

Many of the drugs available to treat the syndrome don’t work long term, especially for children. Even with more than a dozen medications Weaver has had no relief.

The active ingredient in Epidiolex, the experimental drug that Weaver and one other child are receiving, is called cannabidiol. It’s also the main active ingredient in marijuana though it doesn’t produce a high.

Dr. Michael Diamond, the interim senior vice president of research for Georgia Regent University said the drug is not legal or approved for use by use by the Food and Drug Administration. The university’s current study, one of only a handful of trials for compassionate use being held around the country, will expand to include 50 children over the next few weeks.

“We are hopeful the drug will reduce the frequency and severity of seizures within a month, but we know it will not work for every child,” he said.

Georgia Gov. Nathan Deal approved the trials in April. It took some time to get additional clearance at the federal level, Diamond said.

“No one with a heart could hear the stories of these children and their parents and not want to exhaust every possibility to provide them with the treatment they need to combat this debilitating condition,” said Deal

Weaver told ABC News that she was grateful her son was accepted into the trial though she was disappointed the state legislature had narrowly failed to pass a bill that would have legalized the drug for use with sick children. But, she said, she’s not giving up.

"Even though Preston is on it, Preston and I are still going to fight for all the other ones too, we will be at the capital every single time, we need to be there until this becomes legal and every child in the state has the option for this treatment if they need it," Weaver said.

Source: http://abcnews.go.com

Topics: clinical trial, marijuana, medical marijuana, health, healthcare, nurses, doctors, Epilepsy, patient, treatment

Bride paralyzed in crash learns to walk down the aisle for wedding

Posted by Erica Bettencourt

Mon, Dec 29, 2014 @ 10:33 AM

By Eun Kyung Kim

Even before she had a groom in mind, Katie Breland Hughes knew she wanted to walk down the aisle at her wedding on her own two feet.

It became one of her initial goals after a horrific car accident left her paralyzed from the waist down. But first, she needed to survive her injuries.

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“Honestly, I had so many skin graft surgeries and so many burns, my first goal was just to sit up in the bed," said Hughes, now 27. "I was literally at rock bottom."

In October 2011, the Louisiana personal trainer and physical therapy assistant missed a stop sign while driving home from an appointment with a client. A truck hit her vehicle broadside, and Hughes went flying through her windshield. She landed in a ditch and, seconds later, her burning car landed on top of her, searing her back.

Conscious throughout the ordeal, Hughes knew she was either paralyzed or that her legs were amputated because she couldn’t feel either one.

“Immediately, I started asking myself all the physical therapy questions. Is my spinal cord severed? What kind of injury is this? How far up? How low down?” she recalled for TODAY.com. 

At the hospital, doctors told Hughes that she would never walk again. But during a nine-hour surgery to insert rods and plates along her spine to stabilize it, they learned that Hughes' spinal cord wasn’t severed as they originally thought. 

“That was all I needed to hear to keep pushing forward,” she said. “That was kind of my prayer.”

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After her 100-day hospital stay, Hughes went home and immediately started training. An athlete all her life —she was supposed to run a marathon the week after her crash — exercise had always given Hughes an emotional outlet. After the accident, her love of exercise proved critical to her recovery, and to attaining the new goal she had created for herself.

“I told my sister from the beginning, I will not get married — whoever it be to, or whenever it happens — I will not do it until I can walk down the aisle. I just won’t be in a wheelchair,” she said. “So that was always a goal. I didn’t know the next year it would actually happen.”

Hughes heard about a Michigan trainer who had worked with other paraplegics. She reached out to him and flew to Michigan to begin training.

“The first time I talked to her on the telephone, she was like, ‘Look, I don’t want to be in this chair forever. I understand what happened to me, but I want to work hard and see where I can get,’” said Mike Barwis, a strength and conditioning coach who frequently works with Olympic and professional athletes. 

It was during a session with Barwis that Hughes moved her legs for the first time since the accident. 

Meanwhile, Hughes had reconnected with a former acquaintance, Odie Hughes. She initially worried about meeting him again now that she was in a wheelchair.

“I didn’t know how he would accept that, or how he would feel about that,” she recalled. “But it was like he never even saw the chair, he just saw me. He believed everything with me. If I told him, ‘I think I can do this. I want to try this,’ then he would be my biggest cheerleader.”

Within three months, they were engaged. Hughes started the clock: She had nine months to get on her feet. Barwis said he had no doubts they could make it happen.

“Katie is a vibrant person. She has an amazing personality and she’s very driven,” he said. “Her mentality has been one of absolute determination.”

But while working to build up the strength in her legs, Hughes also had to plan a wedding. She also opened a gym she started in her community of Bogalusa, about 70 miles north of New Orleans. 

There was also the issue of finding a wedding gown. 

“I actually bought three dresses. I didn’t like any of them,” she said. After getting ready to settle on one of them, she received a call from the cable network TLC, asking if she wanted to be featured on the show, “Say Yes to the Dress.” Hughes flew to the Atlanta bridal store featured on show (the episode airs Jan. 2) and finally found a gown she was happy with.

“Everything about it was perfect,” she said.

Except she never practiced walking in it until the day of her wedding. "I didn’t want anybody to see the real one," she explained. So instead, she practiced using one of the other gowns. She started in a full-body brace, then with a walker before moving on to two canes. Finally, she used two leg braces that went up from her feet to just above the knees, all while holding on to a person on each side of her.

 

 

On her wedding day, Sept. 20, Hughes walked down the aisle, on her own two feet, holding the hands of the two men giving her away: Her dad, who stood to her right, and Barwis, on her left. 

As excited as she was, Hughes said she never anticipated the nerves she experienced as she stared down the aisle at her guests.

“I felt like this was everybody’s fairytale ending. This was the story they had been following for so long and this was the ending they were waiting to see,” she said. “So I felt like there was a lot of pressure but there was no greater reward than getting to the end of that aisle, for sure.”

Waiting for her there with a huge smile was her fiance.

"When her foot caught that slip my heart stopped. But she just held it together like a champ," said Odie Hughes. "I had complete faith in her."

He said he never for a second doubted the woman he considers "the most stubborn person I know" 

"When she said she was gonna do it, it was a done deal," he said. "Never one doubt in my mind she'd not only make it down the aisle but she'd do it in dramatic fashion. That's my Katie." 

Months later, Katie is back at work, keeping busy with her physical therapy patients and running her gym, Katie's Shed, where she teaches various cardio and full-body workout classes.

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She enjoys newlywed life and said it helps to have a partner who is familiar with life-altering injuries: Her husband once broke his neck during a car accident that left him with metal rods in his legs.

“Me and him both just really understand how quick this life is and how short it can be made,” she said. “We really value each other and the time we have together and with our family. We know first hand how quickly it can be taken from you, so we try to make the best of that.”

Hughes still uses her braces, alternating between them and her wheelchair, depending on the circumstances.

She speaks at local and regional events about her accident and hopes her story will inspire others to reach beyond traditional expectations.

“A lot of people would say, ‘Okay, I did it and now I’m going to be content with my progress right now.’ But I think contentment is our worst enemy a lot of times, just being content with where you are,” she said. “You should always try to excel forward and move forward and continue to reach goals and set new ones.”

Source: www.today.com

Topics: paralyzed, exercise, injuries, spine, bride, wedding, walks, car accident, survive, skin graft, physical therapy, paraplegics, training, nurses, doctors, hospital, patient, surgeries

Thumbs-up for mind-controlled robotic arm

Posted by Erica Bettencourt

Wed, Dec 17, 2014 @ 11:43 AM

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A paralysed woman who controlled a robotic arm using just her thoughts has taken another step towards restoring her natural movements by controlling the arm with a range of complex hand movements.

Thanks to researchers at the University of Pittsburgh, Jan Scheuermann, who has longstanding quadriplegia and has been taking part in the study for over two years, has gone from giving "high fives" to the "thumbs-up" after increasing the manoeuvrability of the robotic arm from seven dimensions (7D) to 10 dimensions (10D).

The extra dimensions come from four hand movements--finger abduction, a scoop, thumb extension and a pinch--and have enabled Jan to pick up, grasp and move a range of objects much more precisely than with the previous 7D control.

It is hoped that these latest results, which have been published today, 17 December, in IOP Publishing's Journal of Neural Engineering, can build on previous demonstrations and eventually allow robotic arms to restore natural arm and hand movements in people with upper limb paralysis.

Jan Scheuermann, 55, from Pittsburgh, PA had been paralysed from the neck down since 2003 due to a neurodegenerative condition. After her eligibility for a research study was confirmed in 2012, Jan underwent surgery to be fitted with two quarter-inch electrode grids, each fitted with 96 tiny contact points, in the regions of Jan's brain that were responsible for right arm and hand movements.

After the electrode grids in Jan's brain were connected to a computer, creating a brain-machine interface (BMI), the 96 individual contact points picked up pulses of electricity that were fired between the neurons in Jan's brain.

Computer algorithms were used to decode these firing signals and identify the patterns associated with a particular arm movement, such as raising the arm or turning the wrist.

By simply thinking of controlling her arm movements, Jan was then able to make the robotic arm reach out to objects, as well as move it in a number of directions and flex and rotate the wrist. It also enabled Jan to "high five" the researchers and feed herself dark chocolate.

Two years on from the initial results, the researchers at the University of Pittsburgh have now shown that Jan can successfully manoeuvre the robotic arm in a further four dimensions through a number of hand movements, allowing for more detailed interaction with objects.

The researchers used a virtual reality computer program to calibrate Jan's control over the robotic arm, and discovered that it is crucial to include virtual objects in this training period in order to allow reliable, real-time interaction with objects.

Co-author of the study Dr Jennifer Collinger said: "10D control allowed Jan to interact with objects in different ways, just as people use their hands to pick up objects depending on their shapes and what they intend to do with them. We hope to repeat this level of control with additional participants and to make the system more robust, so that people who might benefit from it will one day be able to use brain-machine interfaces in daily life.

"We also plan to study whether the incorporation of sensory feedback, such as the touch and feel of an object, can improve neuroprosthetic control."

Commenting on the latest results, Jan Scheuermann said: ""This has been a fantastic, thrilling, wild ride, and I am so glad I've done this."

"This study has enriched my life, given me new friends and co-workers, helped me contribute to research and taken my breath away. For the rest of my life, I will thank God every day for getting to be part of this team."

Source: www.sciencedaily.com

Topics: researchers, robotic, limbs, paralysis, computer, technology, health, healthcare, patient

Toddler giggles when implant lets him hear mom's voice for the first time

Posted by Erica Bettencourt

Mon, Dec 15, 2014 @ 04:41 PM

By Terri Peters

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When 2-year-old Ryan Aprea had cochlear implant surgery in November, his mom, Jennifer, says she wasn’t sure what to expect when the device was activated a month later.

Aprea shared the moment last week in a video that has now gone viral. In the clip, the Huntington Beach, California, mom says, “Hi, Buddy,” to her son, and is rewarded with a reaction she calls “amazing” — a fit of giggles from her little boy.

Born as a micro preemie at only 25 weeks gestation, Aprea says Ryan began his life with a seven-month stay in the neonatal intensive care unit, where she and her husband learned that he was deaf shortly before his discharge.

But a cochlear implant offered hope.



 

“We went into the appointment not knowing if he would respond at all. Throughout this process, they had informed us that while sound would enter his brain, every child has a different response. We weren’t sure if his brain would process the sound, but we wanted to give him a chance to hear us and communicate because he is also visually impaired,” said Aprea.

Aprea, who has posted frequently about the cochlear implant process on the Facebook page of her cloth diaper supply company, tells TODAY Parents that since the activation, Ryan has been doing great — exploring toys that make sounds for the first time and taking in his surroundings with his newfound ability to hear.

“He’s been interacting with us and giving us more intentional eye contact just in the few days since he’s had it turned on. My heart melts every single time he looks at me,” said Aprea.

As for future plans for Ryan’s treatment, Aprea says she and her family are taking things one day at a time. The mother of two says she’s looking forward to taking her son for a drive to look at holiday lights while listening to Christmas music — a tradition her family shares every year, but one that will have new meaning this season.

Aprea says she is shocked that her video has gone viral, adding that she looks forward to seeing more people learn about cochlear implants as videos and articles about stories like Ryan’s become more prevalent.

She’s heard a lot of strong opinions about cochlear implants from online commenters — including some negative ones — and offers some advice to parents dealing with big decisions about their child’s health care.

“You know your child better than anyone — I learned that one in the NICU. You need to do what’s best for him or her and give them every opportunity available to succeed in life. I would say, do a lot of research, talk to people who have been through it with their own kids, and then go with your heart,” she said.

Source: www.today.com

Topics: ICU, child, deaf, hearing, cochlear implant, first time, technology, nurses, doctors, medical, hospital, patient

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