Current Neurosurgery News and Events | Page 20

Current Neurosurgery News and Events, Neurosurgery News Articles.
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Stem cells from human peripheral blood protect against acute stroke in rats
Enriched stem cells from the circulating blood of human donors improved functional recovery when transplanted into the brains of rats with strokes, report researchers from the University of South Florida and Medical College of Georgia. The researchers conclude the findings support investigating these human peripheral cells for neurotransplantation therapy in stroke patients. (2003-11-12)

Study confirms benefits of hemispherectomy surgery
A new study by Johns Hopkins Children's Center scientists confirms the lasting benefits of hemispherectomy, a dramatic operation in which half the brain is removed to relieve frequent severe seizures that medications cannot control. (2003-10-13)

Deep brain stimulation offers benefits against Parkinson's
Deep brain stimulation via electrodes implanted on both sides of the brain markedly improves the motor skills of patients with advanced Parkinson's Disease, says a new long-term study by researchers at the University of Toronto and Toronto Western Hospital. (2003-09-25)

New clinical research study evaluates novel cell therapy
Physicians at Rush University Medical Center are testing whether a novel cell therapy using retinal pigment epithelial (RPE) cells attached to tiny gelatin bead microcarriers implanted in the brain can improve the symptoms of Parkinson's disease. (2003-09-16)

Sick Kids researchers identify cancer stem cell for brain tumours
A research team at The Hospital for Sick Children (HSC) and the University of Toronto (U of T), led by Dr. Peter Dirks, has identified for the first time a cancer stem cell in both malignant and benign brain tumours. This discovery may change how brain tumours are studied and how this deadly condition is treated in the future. This research is reported in the September 15, 2003, issue of the scientific journal Cancer Research. (2003-09-15)

Stem-like cells from peripheral blood restore function in rats with severe stroke
Researchers at the University of South Florida Center for Aging and Brain Repair have shown that rats with severe strokes recovered function when administered stem-like cells from circulating human blood -- a finding that points to another potential cell therapy for stroke. (2003-07-06)

IV infustions of human umbilical cord blood stem cells benefit rodents with ALS, spinal cord injury
Stem cells from human umbilical cord blood (HUCB) migrate to damaged areas in the brain and spinal cord caused by disease or injury and provide some therapeutic benefit, two new animal studies by researchers at the University of South Florida Center of Excellence in Aging and Brain Repair found. (2003-06-12)

UCLA scientist wins prestigious award
UCLA brain surgeon and scientist Dr. Linda Liau has won the prestigious Kimmel Translational Science Award to further her search for genetic mutations associated with deadly brain cancers. (2003-06-11)

Gamma knife radiosurgery provides long-term control of benign brain tumors, says Pitt study
Treating benign brain tumors with gamma knife radiosurgery resulted in long-term tumor control in 95 percent of patients, according to a study by University of Pittsburgh researchers presented today at the quadrennial meeting of the American Society for Stereotactic and Functional Neurosurgery in New York. (2003-05-21)

Emory researchers study use of aggressive insulin therapy in critically-ill neurological patients
Hyperglycemia - an excess of sugar in the blood - is often linked to worse outcomes in many types of cerebral injuries. In the first study of its kind, Emory University researchers looked at the prevalence of hyperglycemia in critically-ill patients being cared for in a neurointensive care unit and compared two methods of achieving tighter glycemic control. (2003-04-03)

Emory researchers find neurointensive care saves more lives while reducing length of stay in ICU
The establishment of a critical care unit for neurological and neurosurgical patients, with a dedicated team of specialists, reduces mortality and length of stay while providing better clinical outcomes in a tertiary care teaching center, according to a group of Emory University researchers. (2003-04-03)

Surgeon uses new method to remove pituitary tumors
Removing pituitary tumors through the nasal cavity rather than using the classic approach beneath the upper lip offers patients a minimally invasive alternative with similar results, less discomfort and faster recovery, a new UCLA study indicates. The findings, published in the February 2003 edition of the peer-reviewed Journal of Neurosurgery, quantify the advantages of the direct endonasal approach over the sublabial procedure, regarded as the surgical standard for more than 40 years. (2003-01-30)

Montreal Neurological Institute researcher awarded grant from MJ Fox Foundation
The MJFF announced the 11 international grant awards on January 13, 2003. Dr. Fon is the only recipient at a Canadian institution. Dr. Fon is an Assistant Professor of Neurology and Neurosurgery at McGill University. He is a Clinician Scientist at the MNI specializing in the study and treatment of Parkinson's Disease. Dr. Fon's research focuses on the molecular events leading to the degeneration of dopamine neurons in Parkinson's Disease. (2003-01-24)

Surgeons use abdomen veins to treat brain artery blockage
Surgeons at Rush-Presbyterian-St. Luke's Medical Center in Chicago have documented the first use of a blood vessel from the abdomen to treat a blocked artery in the brain. The case study was published in the December issue of Surgical Laparoscopy, Endoscopy and Percutaneous Techniques. (2002-12-17)

Rush begins use of magnetic guided navigation system
Neurosurgeons at Rush-Presbyterian-St. Luke's Medical Center have become the first in the Chicago area to use a radically new, magnetically controlled system to enter the brain and its vascular system to treat a variety of diseases without surgically opening up the skull and brain. The system uses a magnetic field, controlled by the physician using point and click devices, to deflect the tip of a specially designed guidewire or catheter that is mechanically pushed or pulled through the body. (2002-12-12)

Hopkins researchers find postoperative fevers common following hemispherectomy
Researchers from the Johns Hopkins Children's Center report in the November issue of Pediatric Neurosurgery that these postoperative fevers are usually harmless. As a result, most of these children can probably be spared painful spinal taps or other invasive treatments. (2002-11-08)

Endovascular coils beat neurosurgery for treating brain haemorrhage
An international landmark clinical trial led by UK researchers has shown that patients who suffer a brain haemorrhage from a ruptured aneurysm have a significantly better chance of surviving without disability if they are treated through the blood vessels than if the aneurysm is clipped by surgery. The findings are published (Friday 25 October) in the Lancet. The trial was stopped early because the results were so striking. (2002-10-24)

Coils slash death/disabilty from brain aneurysms
Preliminary results of a long-term study suggest that coils inserted into burst aneurysms in the brain decrease by 25 percent the risk of patient death and disability during the first year after the procedure, according to a report published in the October 26 issue of The Lancet. Aneurysms are abnormal ballooning of artery walls. (2002-10-24)

Endovascular coil superior to neurosurgery for treatment of brain haemorrhage
Results of a landmark international study in this week's issue of The Lancet provide compelling evidence for the use of a platinum coil transported through blood vessels--rather than conventional neurosurgery--to stop bleeding after brain haemorrhage. (2002-10-24)

Neural stem cells improve motor function in brain injuries
Neural stem cells, transplanted into injured brains, survive, proliferate, and improve brain function in laboratory models. Human versions of these neural stem cells would not risk the ethical problems posed by fetal stem cells or have the limitations of cultured neurons. (2002-10-01)

Bile acid inhibits cell death in Huntington's disease
University of Minnesota researchers have found that a nontoxic bile acid produced in the body prevents apoptosis, or programmed cell death, in mice with Huntington's disease. (2002-07-29)

Northwestern Memorial Hospital specialties rank among 'America's Best'
Northwestern Memorial Hospital increased its number of specialties nationally ranked and appears in the majority of categories surveyed in the annual (2002-07-12)

UC Davis Medical Center ranks
UC Davis Medical Center ranks among the top 50 hospitals in America in six medical specialties, according to an annual survey published in the July 22 issue of U.S. News & World Report. The issue hits newsstands Monday, July 15. (2002-07-12)

Researchers identify gene for most common paediatric malignant brain tumour
Researchers at The Hospital for Sick Children (HSC), the University Health Network (UHN), and the University of Toronto (U of T) have identified a novel gene that when mutated results in medulloblastoma, the most common malignant brain tumour found in children. This research is reported in the July issue of the scientific journal Nature Genetics. (2002-06-16)

New, non-invasive surgical procedure to eliminate epileptic seizures
The Indiana University School of Medicine is one of six institutions in the nation participating in the National Institutes of Health clinical trial of a new, non-invasive surgical procedure to eliminate epileptic seizures due to intractable epilepsy. (2002-06-03)

USF neuroscientists study potential of cord blood cells to rescue aging brain
As we age, a particularly troubling outcome is that some of us will start to show signs of memory loss. The University of South Florida Center for Aging and Brain Repair has been awarded a $1.3-million federal grant to study whether stem cells from human umbilical cord blood can reverse age-related declines in memory and learning. (2002-04-25)

Overstocked blood drains nation's supply
Outdated hospital blood ordering policies that require five times more blood than is necessary for cerebrovascular surgery may be adding to the drain on the nation's blood supply, according to a report in today's Stroke: Journal of the American Heart Association. Researchers say it may be time for hospitals to change their policies to reflect surgical advances that require less blood. (2002-04-04)

Transplanted stem cells restore function in stroke
Researchers at the University of Minnesota department of neurosurgery and Stem Cell Institute (SCI) have demonstrated the ability of transplanted adult stem cells to restore function in laboratory animals with stroke. (2002-03-04)

Habitually sleeping more than 8 hours, need for daytime nap signal increased risk of death from stroke
Daytime nappers and people who routinely sleep more than eight hours a night have a greater chance of dying from stroke than those with more standard sleep habits, a study by stroke researchers at the University at Buffalo has shown. (2002-02-15)

A peptide whose absence leads to narcolepsy also might play role in pain sensation
A neuropeptide whose loss is believed responsible for narcolepsy, a disease characterized by sudden sleep attacks, also appears to play a role in the modulation of pain sensation, a study by a Yale researcher has found. (2002-02-01)

Therapy found to relieve fatigue of multiple sclerosis patients
For the first time, researchers here have found an effective therapy that can alleviate the fatigue often accompanying multiple sclerosis. Many therapies have been developed to treat symptoms of multiple sclerosis, but few have helped, to any degree, the excessive, debilitating fatigue that accompanies other disease symptoms in some patients. (2002-01-18)

Unnecessary roughness - mild head injury increases the brain's vulnerability to further damage
According to researchers at the Penn Head Injury Center, the brain is more vulnerable to severe, perhaps permanent, injury for at least 24 hours following a concussion. (2001-10-30)

Neurons implanted in stroke-damaged brain tissue show function, say University of Pittsburgh researchers
An imaging study of neurons implanted in damaged areas of the brains of stroke patients in the hopes of restoring function has shown the first signs of cellular growth. PET scans taken by University of Pittsburgh researchers showed metabolic activity in affected areas six months after the neurons were injected. (2001-08-21)

Writer's cramp may be linked to obsessive-compulsive symptoms
Frequent writer's cramp may be a sign of an obsessive-compulsive personality trait. (2001-08-15)

Neuron by neuron, Penn researchers study brain cells' attempts to heal themselves after severe injuries
Researchers at the University of Pennsylvania have won a $3.1 million bioengineering research grant to study brain injuries at a level of detail never before attained. The team, lead by Penn bioengineer David F. Meaney, will detect the genes and proteins altered in single neurons in the brain to better understand the cells' responses to contusions and other forms of brain trauma. (2001-08-14)

Lightning and electric shocks may increase the risk of motor neurone disease
Some cases of motor neurone disease may be sparked by an electric shock or lightning, suggests research in the Journal of Neurology, Neurosurgery, and Psychiatry. (2001-07-18)

Jefferson researchers use gene therapy for rare, inherited brain disease
A team of scientists, neurosurgeons and physicians at Thomas Jefferson University Hospital are for the first time using a novel form of gene therapy for Canavan disease, a fatal, neurodegenerative childhood disorder. Researchers recently introduced 90 billion copies of a healthy gene into the brains of three children. Their brains lacked the gene, which makes an enzyme that breaks down an acid substance in the brain. (2001-07-11)

"Alarming" lack of effort to prevent second heart attack or stroke found by UB researchers
With mortality looming, people who have survived one heart attack or stroke would do everything possible to avoid a second. Right? Wrong. A study conducted by researchers at the University at Buffalo using information from a national population-based database, indicates there is (2001-07-09)

Cocaine use, hypertension major risk factors for brain hemorrhage in young African Americans, study finds
Young African Americans who use cocaine are six times more likely to suffer a potentially lethal episode of bleeding inside the brain than non-users, a case-control study of major risk factors for intracerebral hemorrhage in this population conducted by researchers at the University of Buffalo and Emory University has found. (2001-07-08)

Elderly women have better mental ability than men, despite less formal education
Elderly women have a better mental function than men despite their lower level of formal education, conclude Dutch researchers in the Journal of Neurology, Neurosurgery and Psychiatry. These findings challenge the view that a limited formal education is associated with lower mental ability and suggest that biological differences between men and women may be an alternative explanation. (2001-06-17)

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