Articles tagged with Neurosurgery
Research identifies two causal genes, CHD3 and CHD8, contributing to Chiari 1 malformation. Children with unusually large heads are four times more likely to be diagnosed with the condition. The study's findings may lead to new ways to identify people at risk before serious symptoms arise.
New research from the University of Cambridge found that patients treated with dexamethasone had a lower chance of favourable recovery at six months compared to those receiving a placebo. The trial enrolled 748 patients with chronic subdural haematoma and showed that fewer patients in the dexamethasone group required repeat surgery.
Researchers found that exercising your brain with 'neurobics' before surgery can help prevent post-surgery delirium. Patients who played brain games for at least five hours a day saw a significant reduction in delirium rates, with those playing up to 10 hours experiencing a 61% decrease.
A survey of neurosurgical community members reveals widespread sexual harassment, with women more likely to report witnessing or experiencing it. The study highlights the need for a cultural shift in the profession to address the issue and prevent burnout among female neurosurgeons.
A recent Finnish study found that subarachnoid hemorrhage is the 12th most common cause of death in middle-aged women and exceeds deaths from car crashes or cerebral infarctions. The disease can be largely prevented through healthy lifestyles, including not smoking and preventing high blood pressure.
The survey found that spine surgery had the highest number of medical malpractice suits among neurosurgeons. Fear of lawsuits influences their practice, with defensive medicine being a common response. The study highlights the need for transparent communication, better informed consent forms, and fair compensation to patients.
Researchers developed a fully implantable wireless medical device that enables patients with severe paralysis to control computers, smartphones, and other devices without open brain surgery. The Stentrode brain-computer interface restored freedoms for individuals with disabilities, such as texting, emailing, shopping online, and banking.
Researchers found that using CHG halves the risk of infection in certain types of surgery compared to povidone-iodine (PVI), with significant implications for global healthcare. The study, published in Annals of Surgery, suggests a simple switch could reduce infections and improve patient outcomes.
The Glasgow Coma Scale (GCS) has been extended with a simple method to impute missing verbal component scores. Using a distribution of verbal scores for each combination of eye and motor scores, clinicians can now easily determine the GCS sum score when verbal data is missing, aiding in clinical decision-making and patient outcomes.
A study published in Physiological Reviews suggests that elevated plasmin levels may contribute to COVID-19 susceptibility. Researchers propose using a drug that inhibits plasmin to reduce the virus's infectivity and virulence, with an ongoing clinical trial testing this hypothesis.
A new deep learning methodology called Brain-NET has been developed to accurately predict a person's level of expertise in surgical motor skills based solely on neuroimaging data. This technology has the potential to streamline the surgeon certification process, enabling real-time score feedback and remediation or training.
A posthoc analysis of COMPASS trial data found that highly pervious clots result in better treatment success after first attempt clot removal using aspiration thrombectomy. In contrast, clots with low perviousness are more resistant to either thrombectomy approach.
A modified BACTRAC protocol allows researchers to study local leukocyte populations during human stroke using flow cytometry. This approach provides a better understanding of acute inflammatory mechanisms and may identify immunotherapeutic targets for stroke treatment.
Researchers have developed a fully implantable wireless medical device called stentrode that enables paralyzed patients to perform daily activities independently. The study showed significant improvement in motor functions, allowing patients to control devices and regain autonomy.
The study found that patients following the ERAS protocol had significantly lower rates of opioid use at one, three, and six months after surgery compared to those receiving standard care. Additionally, the ERAS group experienced shorter hospital stays, fewer postoperative complications, and improved patient outcomes.
A new study validates the Rapid Arterial Occlusion Evaluation (RACE) scale for accurately identifying Large Vessel Occlusion (LVO) strokes in US-based EMS personnel. The RACE scale has been widely adopted in the US, but its validity was untested prior to this study.
Treatment of unruptured intracranial aneurysms has become substantially safer over the past decade due to advancements in microsurgical techniques and endovascular technology. Endovascular embolization has shown a higher rate of favorable clinical outcomes compared to microsurgical clipping.
A new study analyzed national data on women's representation in surgical specialties, finding little progress made in equal representation for women over the last 11 years. The research projects that many specialties will take decades to reach equal female representation if current progress continues.
A pre-brain surgery test using navigated repetitive transcranial magnetic stimulation (nrTMS) accurately maps language centers in patients with brain tumors not involved in these areas. The method's accuracy varies depending on tumor involvement, but it shows promise for improving surgical planning and patient outcomes.
Researchers used sub-millimeter brain implants to determine which brain areas are responsible for facial and scene recognition. The study found that the medial parietal cortex plays a crucial role in identifying faces and places, working together with traditional memory regions to facilitate recognition.
A study published in Neurosurgery found a high incidence of COVID-19 in patients presenting with stroke, including younger individuals without known risk factors. The mortality rate for these patients was significantly higher than typical, with 42.8% dying from their strokes.
Researchers have developed biodegradable polymer fibres infused with nimodipine to prevent nerve cell death after brain surgery. The treatment reduces side effects and minimizes blood pressure risks, offering a promising alternative to intravenous administration.
A new study by Johns Hopkins researchers found that it may take between seven and 16 months for surgeons to complete the backlog of elective orthopaedic surgeries suspended during COVID-19. The US is facing over a million delayed surgeries for spinal fusion and knee/hip replacements.
Researchers at Texas A&M University have developed a technology that sends small electrical currents to the fingertips of someone operating a robotic arm, allowing surgeons to control their movements more precisely. This can lead to reduced inadvertent injuries and improved surgical outcomes.
Researchers at Mayo Clinic discovered that fetal surgery to correct congenital spinal cord defects is more effective at healing neurological structure than surgery after birth. The procedure led to improved brain structure and anatomy in three patients with myelomeningocele.
A Rutgers study found that middle school football players who wore padded helmets and used safe tackling and blocking techniques had no concussions during a 20-practice, seven-game season. The study's results suggest that the use of Guardian Caps and age of participants may have contributed to the low number of impacts recorded.
The use of robots in neuroendovascular procedures could significantly change acute stroke treatment. The advanced technology provides precise control over microcatheters and microwires, reducing radiation exposure for surgeons.
Scientists at Kanazawa University developed a novel method to detect invisible blood vessels inside tumors, which could help surgeons avoid hemorrhage during tumor resection. The new system uses a master-slave surgical robot with a force sensor that detects pulsation based on gripping force, even in soft and hard tumors.
A retrospective study by researchers at UC San Francisco found that removing the non-contrast-enhancing tumor increases survival for adults with glioblastoma. Patients with IDH-mutant tumors who underwent resections of both contrast-enhancing and non-contrast-enhancing tumor had a significantly longer average survival time, around 37.3...
Researchers at Houston Methodist have developed a new method for classifying pituitary tumors, which could improve diagnosis accuracy and treatment options. The test measures the levels of betahydroxybutyrate (BHB) in blood samples, indicating the presence of certain tumor subtypes.
Trigeminal nerve and hippocampus volumes predict successful surgical treatment outcomes, with non-responders showing larger intracranial volume and contralateral hippocampus volume. The study suggests that neuroanatomical features may be key to understanding chronic pain resistance.
Children who underwent fetal surgery for spina bifida at a young age are more likely to walk independently and require fewer follow-up surgeries compared to those who had traditional corrective surgery after birth. The study found that these children also scored higher on motor skills and had lower rates of hydrocephalus.
A longitudinal study of 161 children with spina bifida found that fetal surgery improved mobility and reduced the need for follow-up surgeries. Fetal surgery also resulted in fewer shunt placements and better motor skills scores compared to traditional postnatal repair.
A novel method combining optical imaging with artificial intelligence produces accurate, real-time diagnosis of brain tumors. The system, stimulated Raman histology (SRH), reveals tumor infiltration and enables surgeons to see predicted diagnoses in under two minutes.
Researchers created individualized maps of functional networks in the thalamus and basal ganglia, revealing variation in symptom response to deep-brain stimulation. The study suggests that successful treatment depends on tapping into the correct network for each patient.
A team of neurosurgeons has discovered the origins of the homunculus, a famous brain concept devised by Wilder Penfield. The study reveals that the iconic map was created from Edwin Boldrey's 1936 thesis, which analyzed electrical brain stimulations in human surgery.
Researchers discovered measurable changes in pupillary parameters following asymptomatic high-acceleration head impacts. The study suggests that nonconcussive head impacts may affect intrinsic brain reflex pathways and reflect biological injuries, paving the way for a potential inexpensive and rapid method of determining brain injury.
Researchers found that the brain responds to a marker of vocal stress in the middle of each syllable, which is a universal feature of human languages. This signal allows the brain to split speech into syllabic units and track patterns of stress critical for meaning in English and many other languages.
Preliminary research suggests that weight-reduction surgery can help reduce the risk of stroke and death in obese patients. The study found that participants who underwent bariatric surgery were 69% less likely to experience a clot-caused stroke and 68% less likely to die during follow-up compared to those who did not receive surgery.
Researchers have identified individual neurons in the entorhinal cortex that target specific memories during recall. These 'memory-trace cells' exhibit spatially tuned activity corresponding to remembered locations, suggesting a mechanism for selectively recalling past events.
A Rutgers study found that creating a sustainable neurosurgical program in Santarém, Brazil requires recruiting and training local doctors, who can navigate healthcare barriers with limited resources. The five-year residency program has improved conditions and access for patients.
Researchers found an association between aspirin use and decreased intracranial aneurysm growth rate. Growth is crucial as it increases rupture risk. The study suggests that aspirin may exert a protective effect against aneurysm growth and future rupture, but findings are observational and require further interventional studies.
A new study from Massachusetts General Hospital suggests that glowing particles in the blood of patients with brain cancer may be used to diagnose and monitor the disease. The discovery uses a substance called 5-aminolevulinic acid, which makes tumor cells fluorescent, allowing for non-invasive blood tests.
Researchers have identified a new disease mechanism and potential molecular drug target to protect premature newborns from developing post-hemorrhagic hydrocephalus. Treating mice with compounds blocking the LPA receptor prevented excess fluid accumulation in the brain.
A recent study published in The Journal of Craniofacial Surgery found that human skull dimensions follow the Golden Ratio. However, less related species such as dogs and monkeys diverged from this ratio, suggesting unique evolutionary patterns.
Researchers at UCLA Health have developed an experimental brain implant that restores visual perception in patients who are blind due to injury or disease. The device enhances users' ability to navigate the world by detecting movement and distinguishing light and dark, with the goal of one day restoring a full field of vision.
A new antibiotic-coated shunt has been shown to significantly reduce infection rates in patients with hydrocephalus. The BASICS trial found that the innovative treatment saved the NHS approximately £130K per infection averted, resulting in estimated annual savings of £7 million.
A study of US eScooter injuries found that most injured riders are men aged 20-40, with high rates of drug and alcohol use, and lack of helmet wear. The injury toll is expected to rise as eScooter popularity increases.
Researchers at MIT have designed a robotic thread that can navigate the brain's blood vessels using magnets, aiming to improve endovascular procedures for treating stroke and aneurysms. The thread can be functionalized to deliver drugs or break up blockages with laser light.
A study published in The Lancet found that covert strokes are more common than overt strokes in people over 65 who have surgery, with one in 14 patients experiencing a silent stroke. This increases the risk of cognitive decline and other complications, affecting up to three million people globally.
A new study from McGill University uses machine learning-guided virtual reality simulators to accurately assess the capabilities of neurosurgeons. The researchers found that these AI-powered tools can predict the level of expertise with 90% accuracy, enabling more efficient and effective mentorship.
A South Florida partnership is using data to optimize the likelihood of recovery from a brain attack by establishing a regional quality assurance dashboard. This effort enables hospitals and EMS agencies to share quality metrics and outcomes about time-sensitive treatments administered to acute stroke patients.
A new study comparing three types of stents used to treat cerebral aneurysms shows that the type of stent affects a patient's health outcomes. The LVIS stent was associated with superior rates of angiographic occlusion in treating cerebral aneurysms, according to researchers.
A new study found non-internal carotid artery occlusion, balloon-guided catheter use, and better collateral grade to be independent predictors of the first pass effect (FPE) in mechanical thrombectomy. FPE was achieved in 40% of patients, resulting in lower mortality rates at 90 days compared to non-FPE patients.
A new study shows that helicopter ambulance services can significantly reduce time to thrombectomy, a minimally invasive surgery to remove the blood clot causing the stroke. Patients transported by air were found to have an average of 42 minutes faster access to surgery when distances exceeded 30 miles.
A new study demonstrates that transradial surgery is safe and effective for various neuroendovascular procedures, providing faster recovery times with less procedural risk. Patients prefer this approach due to reduced complications and quicker discharge.
A new study found that mothers who had surgery before pregnancy had a 1.6 times higher risk of their newborns experiencing opioid withdrawal symptoms, known as neonatal abstinence syndrome (NAS). The study, published in the Canadian Medical Association Journal, analyzed data from almost 2.2 million births in Quebec between 1989 and 2016.
A new study found that mothers who underwent surgery before pregnancy have a 1.6 times higher risk of neonatal abstinence syndrome, a condition characterized by opioid withdrawal symptoms in newborns. The study suggests that careful postoperative pain management can help prevent this condition.
A new artificial nose technology helps neurosurgeons identify cancerous tissue during brain tumor surgery by analyzing surgical smoke. The system achieved an accuracy of 83% in classifying samples from brain tumors, with improved performance for low-malignancy tumours.
A new study found that inducing seizures in epilepsy patients can determine the brain region where seizures originate, reducing hospital stays from two weeks to 48 or 72 hours. This method is as effective as relying on spontaneous seizures and could lead to cost savings for hospitals.