Navigation Links
Robotic technology improves stroke rehabilitation

CHICAGO Research scientists using a novel, hand-operated robotic device and functional MRI (fMRI) have found that chronic stroke patients can be rehabilitated, according to a study presented today at the annual meeting of the Radiological Society of North America (RSNA). This is the first study using fMRI to map the brain in order to track stroke rehabilitation.

"We have shown that the brain has the ability to regain function through rehabilitative exercises following a stroke," said A. Aria Tzika, Ph.D., director of the NMR Surgical Laboratory at Massachusetts General Hospital (MGH) and Shriners Burn Institute and assistant professor in the Department of Surgery at Harvard Medical School in Boston. "We have learned that the brain is malleable, even six months or more after a stroke, which is a longer period of time than previously thought."

According to the Centers for Disease Control and Prevention, stroke is the third leading cause of death in the U.S. and a principal cause of severe long-term disability. Approximately 700,000 strokes occur annually in the U.S., and 80 percent to 90 percent of stroke survivors have motor weakness.

Previously, it was believed that there was only a short window of three to six months following a stroke when rehabilitation could make an improvement.

"Our research is important because 65 percent of people who have a stroke affecting hand use are still unable to incorporate the affected hand into their daily activities after six months," Dr. Tzika said.

Dr. Tzika is an affiliated member of the Athinoula A. Martinos Center for Biomedical Imaging in the Department of Radiology at MGH, where the research is ongoing.

To determine if stroke rehabilitation after six months was possible, the researchers studied five right-hand dominant patients who had strokes at least six months prior that affected the left side of the brain and, consequently, use of the right hand.

For the study, the patients squeezed a special MR-compatible robotic device for an hour a day, three days per week for four weeks. fMRI exams were performed before, during, upon completion of training and after a non-training period to assess permanence of rehabilitation. fMRI measures the tiny changes in blood oxygenation level that occur when a part of the brain is active.

The results showed that rehabilitation using hand training significantly increased activation in the cortex, which is the area in the brain that corresponds with hand use. Furthermore, the increased cortical activation persisted in the stroke patients who had exercised during the training period but then stopped for several months.

"These findings should give hope to people who have had strokes, their families and the rehabilitative specialists who treat them," Dr. Tzika said.


Contact: Linda Brooks
Radiological Society of North America

Related medicine news :

1. St. Davids Medical Center Implements New Robotic Technology to Treat Common Heart Rhythm Disorders
2. Primus Innovations and Health Robotics Launch Strategic Partnership to Accelerate Transformation in Chemotherapy Compounding
3. Cardiogenesis Receives FDA Approval for PEARL 5.0 Robotic Hand Piece
4. Robotics lab helps stroke patients with recovery
5. Cardica Announces Live Webcast Demonstrating Breakthrough Device to Facilitate Beating Heart and Robotic Coronary Revascularization Surgery
6. Robotic device appears useful for surgical removal of cancer involving the tonsils
7. Robotic Surgery Treats Tonsil Cancer
8. Just hours apart, 2 brothers undergo robotic prostate cancer surgery
9. Scientists from Europe, Israel and the US develop robotic rats to aid in rescue missions
10. NOVADAQs SPY System to be Featured During Live Broadcast of Robotic Surgery
11. Robotic Surgeons From Around the World Attend One-of-a-Kind Conference by Global Robotics Institute at Florida Hospital
Post Your Comments:
(Date:10/13/2017)... , ... October 13, 2017 , ... As health professionals ... known as “patient engagement.” The patient is doing more than filling out a survey; ... , “There is an increasing emphasis in health care and research on the importance ...
(Date:10/13/2017)... ... October 13, 2017 , ... The American Board of Family ... next President and Chief Executive Officer, succeeding Dr. James C. Puffer upon his retirement. ... 1, 2018 until Dr. Puffer’s retirement at the end of 2018. Upon assuming the ...
(Date:10/13/2017)... ... October 13, 2017 , ... PurhealthRX , a leading ... Purzorb™ technology. Applying the Purzorb™process to full spectrum CBD oil will revolutionize the rapidly ... CBD form that can be easily incorporated into liquid products, while reducing costs to ...
(Date:10/13/2017)... ... October 13, 2017 , ... Lori R. Somekh, founder of the Law ... organization of elder law and special needs planning attorneys. “Membership in ElderCounsel helps our ... a forum to network with elder law attorneys nationwide,” said Somekh. , ...
(Date:10/13/2017)... ... October 13, 2017 , ... Many families have long-term insurance ... care insurance companies have a waiver for care if the client has a cognitive ... the family pays for care, is often waived, so the benefits from their insurance ...
Breaking Medicine News(10 mins):
(Date:9/25/2017)... 2017  EpiVax, Inc., a leader in the ... today announced the launch of EpiVax Oncology Inc., ... therapeutic cancer vaccines. EpiVax has provided $500,000 in ... enabling technologies to the new precision immunotherapy venture. ... Oncology as Chief Executive Officer. Gad brings over ...
(Date:9/19/2017)...   ZirMed Inc ., a recognized leader in cloud-based ... has been ranked #1 by its users for the seventh ... User Survey. ZirMed was recognized as the top-ranked end-to-end revenue ... centers over 200 beds and holds one of the longest ... history. ...
(Date:9/12/2017)... N.J. , Sept. 12, 2017  Consumer reviews on the ... Hearing as the number one company for hearing aids, ranking ... and fifteen other brands. ... Embrace Hearing Named #1 by Consumers For Hearing Aids ... Embrace Hearing is an online store that provides high ...
Breaking Medicine Technology: