Articles tagged with Neurology
A recent study found that Mexican-Americans experience moderate functional disability and nearly one-third develop post-stroke dementia. They also score worse on measures of daily living activities and cognition. The study highlights the need for intervention strategies to improve recovery among this population.
Researchers at Henry Ford Hospital found that the peptide AcSDKP provides neurological protection when administered after a stroke, reducing neurovascular damage and improving outcomes. The study also showed that combining AcSDKP with tPA extended the therapeutic window for up to four hours after stroke.
Research finds that people with stroke-related brainstem injuries have a significantly higher risk of developing sleep apnea. Among the 355 study participants, 84% with brainstem injury had sleep apnea compared to 59% without brainstem involvement.
A new study challenges the use of mortality as a measure of stroke care quality, citing variations in do-not-resuscitate orders that can significantly skew hospital rankings. The researchers found a wide range of variation in early DNR use, with hospitals using them an average of 2.2-23.2% of the time.
A patient with 'word blindness' was able to learn a new technique that enables her to recognize and read words through tactile skills. The technique, which involves tracing letters of the alphabet, was effective in helping her regain reading abilities.
The study found that practicing different types of math skills can lead to expertise in those areas. This approach helps students identify their strengths and weaknesses, allowing them to focus on areas where they need improvement.
A study investigates how athletes' high-level motor expertise affects the brain's understanding of actions. The research reveals that expert subjects showed a modulating effect on motor activity in response to positive but impossible commands.
Two healthy young siblings experienced acute ischemic strokes soon after smoking synthetic marijuana, highlighting the risks of this illicit drug. The study urges physicians to be aware of the potentially toxic effects of recreational synthetic drugs and to ask about pot and spice use in patients.
A trial of 1,359 cardiac arrest patients found that prehospital cooling did not improve survival to hospital discharge or neurological outcome. The intervention reduced core temperature by more than 1°C, but the results do not support routine use of cold intravenous fluid in the prehospital setting.
A multicenter clinical trial compared mechanical chest compressions with manual CPR and found that neither approach improved 4-hour survival rates. However, patients receiving mechanical chest compressions had a higher proportion of survivors with good neurological outcomes, suggesting potential benefits in specific patient populations.
Scientists at EMBL discovered that different brain regions handle various fears, with mice displaying distinct brain activity responses to threats from same-species and predator species. This finding could lead to targeted treatments for specific phobias and panic attacks in humans.
New research reveals that sleep plays a crucial role in consolidating visual task learning through specific brain frequencies. Brainwaves of 15 volunteers were measured during sleep and training to demonstrate increased sigma power in the visual cortical area, leading to improved performance on the task.
Cerebral microbleeds are common in older individuals and can contribute to neurological changes. Researchers recommend considering microbleeds when treating other brain-related issues like stroke.
Researchers pinpointed the precise cellular connections responsible for triggering overeating behavior in mice, suggesting a neurological basis for obesity and eating disorders. The study highlights a potential target for drug treatments to correct malfunctioning brain circuits.
Researchers at CU-Boulder demonstrated that brains use a pointer system similar to computers to understand novel situations. The brain's connections between the prefrontal cortex and basal ganglia play a key role in processing sentences with unfamiliar words.
A recent study published in Cell Reports identified a protein called RIP1 as a key regulator of cell division and death in glioblastoma cells. The researchers found that switching off RIP1 can inhibit the growth of these aggressive brain tumors, offering new hope for treatment options.
A recent report by the American Academy of Neurology highlights a significant increase in strokes among adolescents and young adults, with approximately 532,000 cases occurring between ages 18-44 in the US. The study emphasizes the need for greater awareness and research into reducing the economic burden of strokes on this age group.
Researchers used magnetoencephalography to track brain activity at high temporal resolution, revealing new distinctions in resting and active brain regions. The study provides novel insights into how brain networks function in cooperative groups, which is essential for better diagnosis and treatment of brain injuries.
Scientists from EPFL's Blue Brain Project and the Allen Institute join forces to simulate brain wave behavior using a detailed computer model. The simulation reveals similarities between modeled brain activity and measured EEG signals in rodents, offering insights into the neural circuitry behind brain waves.
A study found that electroacupuncture at specific points (Baliao and Huiyang) improved cystometric capacity, decreased detrusor leak point pressure, and treated post-stroke detrusor overactivity. The treatment significantly enhanced bladder function in patients with this condition.
A citywide policy recommending pre-hospital triage of suspected stroke patients led to increased use of intravenous tissue plasminogen activator (tPA) and emergency medical services. Admissions for stroke and transient ischemic attack also increased, with faster onset-to-treatment times.
A study found that only 2% of hospital cardiac arrest patients received therapeutic hypothermia, despite its proven potential to improve survival and neurological function. The lack of data and guidelines may contribute to the low use of this treatment.
The guideline advises that taking aspirin or warfarin before dental procedures, cataract surgery, and dermatologic procedures is likely safe. However, patients undergoing procedures like retinal surgery or orthopaedic hip procedures may experience increased bleeding risk.
Researchers developed a new model that integrates both historical and psychological perspectives on art appreciation. This approach acknowledges the importance of artistic understanding in assessing value and meaning, and can be applied to various forms of art.
EPFL scientists have identified the molecular basis behind sulfonamide antibiotics' neurological side effects, which can include nausea, hallucinations, and psychosis. By understanding how sulfonamides interact with a patient's nervous system, doctors may be able to customize therapeutic regimes to minimize these side effects.
A Wake Forest University researcher and four colleagues found that measurements of brain activity in the prefrontal cortex can help assess a person's potential for leadership. Leaders with higher levels of neurological self-complexity demonstrate greater adaptability when facing novel situations.
A recent study published in The Endocrine Society's Journal of Clinical Endocrinology & Metabolism found that children born with mild iodine deficiency during pregnancy performed worse on literacy tests as 9-year-olds. The researchers theorize that iodine deficiency may have a greater impact on auditory pathways and spelling ability.
Scientists have developed a way to predict pain levels by analyzing brain scan patterns, with accuracy of 90-100%. This breakthrough may lead to the development of reliable methods for doctors to objectively quantify patient pain. The study also explores potential applications in measuring anxiety, depression, and other emotional states.
Researchers found that a compensatory reorganization of language function to right hemispheric brain regions impeded post-stroke aphasia recovery in adults. In contrast, children who experience left-hemispheric injury or stroke may benefit from such a shift.
A study by UCSF researchers found that EEGs can identify seizures in up to 7.4% of hospitalized patients, highlighting the underutilization of this diagnostic tool. Seizures are treatable with FDA-approved anticonvulsants, and prompt diagnosis can lead to shorter hospital stays and improved patient outcomes.
Scientists at the University of Nevada, Reno have found a new mechanism for guiding nerve growth that involves cell-death machinery. This discovery may lead to therapeutics designed to keep neurons alive after injury, potentially stimulating re-growth or sprouting new connections.
Research by David Alexander and Cees van Leeuwen reveals that brain activity is not limited to specific areas, but rather follows a wave-like pattern across the entire cortex. This challenges traditional views of brain function and highlights the complex, dynamic nature of brain activity.
Researchers at Mayo Clinic have developed a new test that measures involuntary changes in heart rate and blood pressure to identify the severity of concussions. The test, known as autonomic reflex testing, shows significant changes in those with concussion, providing a potential tool for diagnosing and monitoring recovery.
Researchers at Henry Ford Hospital found that a 40-year-old man's inability to write coherent text messages was a key symptom of an acute ischemic stroke. The study highlights the potential use of dystextia as a diagnostic tool, particularly for patients with no other clear symptoms.
A Mayo Clinic study found that blood's tendency to clot may contribute to areas of brain damage called white matter hyperintensities, which can lead to memory problems and increased stroke risk. Women with higher levels of thrombogenic microvesicles were more likely to develop these changes.
The Society of Interventional Radiology publishes guidelines that capture consensus on clinical practice of intra-arterial stroke revascularization. The guidelines recommend submission of outcomes to a national registry to assess processes and outcomes in acute stroke revascularization.
The study focuses on targeting four conditions, including PTSD, TBI, insomnia, and depression, as well as ADHD and Asperger Syndrome in specific populations. Researchers aim to scientifically evaluate the potential benefits of HIRREM as a safe, effective, noninvasive therapy.
A recent study co-authored by health care and law expert David Orentlicher examines the evolution of concussion understanding over several decades. The study finds that both the NFL and neurologists were slow to respond to concussions, with many viewing them as a 'benign phenomenon.'
The JAMA Network has announced new titles for its specialty journals, including JAMA Pediatrics, JAMA Neurology, and JAMA Internal Medicine. Starting January 1, 2013, these journals will have a new embargo schedule, with content available on the For the Media site at specific times.
A study suggests that linagliptin, a commercialized diabetes drug, can stimulate neuroprotection and largely reduce brain damage following stroke. This could lead to better prognosis for type 2 diabetic patients after a stroke.
A systematic review of 14 studies and 1,600 participants found lasting decrements in neurological and cognitive function, particularly in memory and information processing speed. The study's findings suggest that low-level exposure to organophosphate pesticides may be associated with impaired cognitive function.
A Mayo Clinic case study validates teleconcussion as a useful means to assess concussed patients in rural Arizona. The program uses telemedicine technology to bring concussion expertise to underserved areas, addressing the lack of access to neurological expertise in metropolitan areas.
UT Southwestern Medical Center is one of only two academic medical centers in the US to receive a Patient Voice Award and a Summit Award for outstanding patient satisfaction scores. The hospital achieved high levels of excellence in patient care, with recognition for its communication, responsiveness, and pain management.
A new systematic review and meta-analysis suggests that intermediate glucose control is associated with better outcomes in neurocritical care patients, including reduced mortality and improved recovery. This challenges the conventional approach of tight glycemic control, which may lead to more neurological damage.
The study uses functional MRI to measure brain activity and identifies a precise statistical relationship between brain structure and visual representation. This breakthrough can guide efforts to restore vision using neural prosthetics.
Two outstanding studies won top honors at the Canadian Stroke Congress, one discovering brain recovery abilities after stroke and another developing a diagnostic tool predicting clinical outcomes. The studies aim to improve treatment decisions and patient care.
Widespread telestroke adoption could provide optimal care to more Canadians, but current usage is limited. Research shows improved outcomes and cost savings in provinces like Alberta, where telestroke ensured rural patients received tPA at the same rate as those treated in larger centres.
A Mayo Clinic study confirms the effectiveness of smartphone teleradiology applications in evaluating stroke patients in remote settings. The study shows high agreement (92-100%) among reviewers on critical radiological features, paving the way for telemedicine expansion.
Emergency medicine residency programs in Canada are underprepared to handle stroke cases, with limited lecture time and on-the-job training devoted to the topic. Researchers found that only two programs required on-the-job training in stroke neurology.
Researchers found dramatic imbalances in bone apposition and reabsorption, reduced marrow fat, and increased platelet counts in sleep-deprived rats. These findings suggest potential medical implications for humans, including poor bone repair and increased risk of osteoporosis.
Dr. Lorne Parnes, a renowned Canadian otolaryngologist, has won the American Academy of Otolaryngology's Distinguished Service Award. He is recognized for his extensive contributions to the field, including pioneering treatments for benign paroxysmal positional vertigo and direct drug delivery implementation.
A new study in Neurology questions the validity of a quality measure for stroke care, suggesting that patient decisions may account for up to 40% of hospital deaths within 30 days. The study found that 41% of patients could have been kept alive with continuous medical interventions, effectively reducing mortality rates by 3.2%.
Two multicenter studies show that next-generation clot-removal devices are superior to traditional technology in achieving blood flow restoration and neurological outcomes. The Trevo Retriever outperformed the FDA-approved Merci Retriever, while the Solitaire flow restoration device was more effective than MERCI in removing blood clots.
A study published in Restorative Neurology and Neuroscience found that a therapy combining exercise with the neurovascular protective agent GSNO improved recovery from stroke in a rat model. Exercise alone did not significantly reduce infarct volume, but combined with GSNO, it provided greater functional improvement.
A study published in Archives of Neurology found that patients with stroke admitted on weekends received fewer urgent treatments and had higher mortality rates compared to weekday admissions. The study suggests that hospitals could potentially save hundreds of lives by improving care on weekends.
A new study by Stanford and USC researchers found no significant difference in overall mental abilities between postmenopausal women who took soy supplements and those who didn't. The 2.5-year study also showed a potential gain in visual memory for women taking the supplements, but emphasized the need for further research.
A recent study found that 22% of student athletes who participated in contact sports scored significantly lower in memory and learning skills compared to non-contact sport athletes. The study suggests that repeated head impacts may have a negative impact on cognitive function, but the effects may not be permanent.
Researchers found that brain networks operate at distinct frequencies, similar to clocks ticking at different speeds. This 'temporal structure' may offer new insights into psychiatric conditions like depression and schizophrenia.
Aesthetic experience activates brain regions associated with inward contemplation and self-assessment, according to NYU researchers. The study's findings suggest that artistic appeal may be universally experienced, despite individual differences.
Researchers uncover two distinct cell types in the inferior temporal cortex that respond differently to familiar and novel objects. Excitatory neurons fire rapidly at initial encounters, while inhibitory neurons maintain activity over a wider timeframe, driving learning and reorganization.