A stroke is the rapidly developing loss of brain function(s) due to disturbance in the blood supply to the brain. This can be due to ischemia caused by thrombosis or embolism or due to a hemorrhage. As a result, the affected area of the brain is unable to function, leading to inability to move one or more limbs on one side of the body, inability to understand or formulate speech, or inability to see one side of the visual field.
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[News]
Mini-Strokes Leave 'Hidden' Brain Damage
Each year, approximately 150,000 Canadians have a transient ischemic attack (TIA), sometimes known as a mini-stroke. New research published January 28 in Stroke, the journal of the American Heart Association shows these attacks may not be transient at all. They in fact create lasting damage to the brain.
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[News]
Protein Blamed For Deadlier Stroke Injury In Diabetic And High Blood Sugar Patients
The reason why intracerebral hemorrhage, a common cause of stroke, has worse consequences in diabetics than in non-diabetic patients, appears to be because high blood sugar increases the ability of a protein called plasma kallikrein to stop blood from clotting near injured vessels, say US scientists who hope the discovery will lead to new treatments that control such bleeding.
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[News]
Liver Disease a Possible Predictor of Stroke
People suffering from fatty liver disease may be three times more likely to suffer a stroke than individuals without fatty liver, according to a study by researchers at St. Michael's Hospital and the London Health Sciences Centre. The study is the first to find a link between nonalcoholic fatty liver disease -- a disease characterized by the accumulation of fat in the liver in non drinkers -- and stroke.
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[News]
Why Are People With Stroke More Likely to Die If Hospitalized on a Weekend?
People admitted to the hospital on a weekend after a stroke are more likely to die compared to people admitted on a weekday, regardless of the severity of the stroke they experience, according to new research published in the Nov. 2, 2010, print issue of Neurology®, the medical journal of the American Academy of Neurology.
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[News]
Adult Stem Cell "Beads" are Used in the Treatment of Stroke
Imagine a high-tech sachet the size of a tea-bag, filled with very small beads, and each bead in turn contains thousands of adult stem cells. Then imagine that each adult stem cell has been individually bioengineered to produce a drug that is specifically designed to treat stroke. Although such a therapy may have originally began as the stuff of imagination, it is now a reality.
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[News]
Adult Stem Cells Treat Stroke Patients in Clinical Trial
After suffering a stroke on March 25th, 61-year-old Roland "Bud" Henrich arrived at the hospital too late to be given tPA (tissue plasminogen activator), the only previously existing treatment for ischemic stroke. He therefore became the first person to be enrolled in a clinical trial in which autologous adult stem cells are used for the treatment of stroke.
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[News]
Acute Anemia Linked to Silent Strokes in Children
Silent strokes, which have no immediate symptoms but could cause long-term cognitive and learning deficits, occur in a significant number of severely anemic children, especially those with sickle cell disease, according to research presented at the American Stroke Association's International Stroke Conference 2011.
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[News]
Link Between Signaling Molecules Could Point Way to Therapies for Epilepsy, Stroke, Other Diseases
In the Old West, camps sent smoke signals across distances to share key developments or strategy. Likewise, two important signaling molecules communicate across nerve cells to regulate electrical and chemical activity, neuroscientists from the UT Health Science Center San Antonio have reported. The findings in rodent models have implications for potential future treatment of epilepsy, stroke and other problems, the researchers said.
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[News]
What is stroke and can stem cells help?
Stroke is caused by a blockage of the blood supply to a region of the brain (ischaemic stroke) or when a blood vessel in the brain bursts, spilling blood into the spaces surrounding brain cells (haemorrhagic stroke).
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[News]
Children Can Have Recurrent Strokes
Children can have strokes, and the strokes can recur, usually within a month, according to pediatric researchers. Unfortunately, the strokes often go unrecognized the first time, and the child does not receive treatment before the recurrence.
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[News]
New Stroke Therapy Successful In Rats
People with impaired mobility after a stroke soon may have a therapy that restores limb function long after the injury, if a supplemental protein works as well in humans as it does in paralyzed rats.
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[News]
Memory Failing? You May Be at Higher Risk for Stroke
People who experience memory loss or a decline in their thinking abilities may be at higher risk of stroke, regardless of whether they have been diagnosed with dementia, according to a new study published in the February 2, 2010, print issue of Neurology®, the medical journal of the American Academy of Neurology.
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[News]
Adult Stem Cells Evaluated for the Treatment of Stroke
The biotech company Stemedica Cell Technologies has requested a pre-IND (investigational new drug) meeting with the U.S. FDA (Food and Drug Administration) for the purpose of discussing the use of Stemedica's proprietary line of allogeneic adult stem cells as treatment for ischemic stroke.
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[News]
People With Dementia Less Likely to Return Home After Stroke
New research shows people with dementia who have a stroke are more likely to become disabled and not return home compared to people who didn't have dementia at the time they had a stroke. The study is published in the November 1, 2011, issue of Neurology®, the medical journal of the American Academy of Neurology.
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[News]
New Drug Target for Alzheimer's, Stroke Discovered
A tiny piece of a critical receptor that fuels the brain and without which sentient beings cannot live has been discovered by University at Buffalo scientists as a promising new drug target for Alzheimer's and other neurodegenerative diseases.
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[News]
New Drug Target for Alzheimer's, Stroke Discovered
A tiny piece of a critical receptor that fuels the brain and without which sentient beings cannot live has been discovered by University at Buffalo scientists as a promising new drug target for Alzheimer's and other neurodegenerative diseases.
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[News]
Even High-But-Normal Blood Pressure Elevates Stroke Risk
People with prehypertension have a 55 percent higher risk of experiencing a future stroke than people without prehypertension, report researchers at the University of California, San Diego School of Medicine in a new meta-analysis of scientific literature published in the September 28 online issue of the journal Neurology.
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[News]
Why Brain Has Limited Capacity for Repair After Stroke
Stroke is the leading cause of adult disability, due to the brain's limited capacity for recovery. Physical rehabilitation is the only current treatment following a stroke, and there are no medications available to help promote neurological recovery.
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[News]
Most Stroke Patients Not Getting Clot-Busting Treatment in Timely Manner
Less than one-third of acute stroke patients treated with intravenous tissue plasminogen activator (tPA) receive the clot-busting drug within 60 minutes of their hospital arrival, according to research presented at the American Stroke Association's International Stroke Conference 2011. The research is simultaneously published in Circulation: Journal of the American Heart Association.
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[News]
Long Periods of Estrogen Deprivation Jeopardizes Brain Receptors, Stroke Protection
Prolonged estrogen deprivation in aging rats dramatically reduces the number of brain receptors for the hormone as well as its ability to prevent strokes, researchers report. However the damage is forestalled if estrogen replacement begins shortly after hormone levels drop, according to a study published in the journal Proceedings of the National Academy of Sciences.
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[News]
Scientists Discover Potential Stroke Treatment That May Extend Time to Prevent Brain Damage
A naturally occurring substance shrank the size of stroke-induced lesions in the brains of experimental mice -- even when administered as much as 12 hours after the event, Stanford University School of Medicine researchers have shown. The substance, alpha-B-crystallin, acts as a brake on the immune system, lowering levels of inflammatory molecules whose actions are responsible for substantial brain damage above and beyond that caused by the initial oxygen deprivation of a stroke.
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[News]
An Apple or Pear a Day May Keep Strokes Away
Apples and pears may keep strokes away.That's the conclusion of a Dutch study published in Stroke: Journal of the American Heart Association in which researchers found that eating a lot of fruits and vegetables with white flesh may protect against stroke.
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[News]
How Bone Marrow Stem Cells Help in Stroke Recovery
Scientists from the Institute for Advanced Medical Sciences of Hyogo, Japan have announced new research findings suggesting that bone marrow stem cells may be useful in the treatment of stroke. Although other scientists have previously demonstrated similar findings, including in patients, (SuĻĒrez-Monteagudo et al. Restor Neurol Neurosci. 2009;27(3):151-61), what is astonishing about the current work is that an actual biological mechanism by which the stem cells are functioning is proposed.
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[News]
Gene Variant Affects Stroke Prognosis in Humans
A small difference in DNA sequence predicts the degree of disability after a stroke, according to a paper published online on February 28 in the Journal of Experimental Medicine. Stroke, the consequence of disturbed blood flow to the brain, can impair speech, movement and vision, but it is currently difficult for clinicians to predict the severity of these side effects or the long-term prognosis.
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