Articles tagged with Medical Tests
Researchers from Cleveland Clinic Cancer Center presented data on a prospective clinical trial examining non-small cell lung cancer cells' response to immunotherapy. The study showed promising results with progression-free survival, and early data gathered from more than 20 sites has shown encouraging outcomes.
A study found that cost was the strongest factor in decreased desire for diagnostic testing, with patients willing to forego tests due to financial burden. Implementing financial considerations to alter testing behavior may be necessary to address this issue and improve healthcare outcomes.
Scientists have developed a method to track biological samples using RFID chips, which can withstand extreme conditions and identify organoids grown from stem cells. This technology has the potential to advance drug testing and transplantation by providing real-time data on organoid health.
A study found that handgrip strength is linked to lung capacity in older Korean women. Testing handgrip strength could be a good way to identify potential impaired lung health.
The American Cancer Society recommends earlier colorectal cancer screening for average-risk adults beginning at age 45, based on research showing an increased incidence of CRC in younger adults. Colorectal cancer incidence has declined steadily over the past two decades in people 55 and older due to screening.
The poll found that only about half of people aged 50 to 80 have set up an account on a secure online access site, or 'patient portal,' offered by their health care provider. Despite the benefits of patient portals, many older adults are uncomfortable with electronic interactions and prefer telephone contact with their providers.
Researchers from Israel and Japan collaborated to diagnose a child with an ultra-rare genetic disease caused by a mutation in the EPT1 gene, which is essential for making myelin in the normal brain. The team found that the disease affects PE production, leading to reduced plasmalogen synthesis, but not enough to prevent myelin damage.
A UTA engineer has developed computer tests and games that track individual brain functioning, providing a more objective measure of brain performance. The technology aims to help people make smarter decisions about their brain health and impacts daily life.
The collaboration aims to use clinical insights to fine-tune early device testing, focusing on preclinical support, proof of concept studies, de-risking medical device translation, and rapid prototyping. Tufts CTSI and MIT will provide resources and expertise to research teams to efficiently turn device concepts into testable prototypes.
A new study by the University of British Columbia suggests that teachers can strengthen students' memories without causing assessment fatigue. The researchers found that students who were tested on a portion of their study material performed better on other, related questions - even if they weren't included in the initial test.
A Loyola Medicine survey found that 15.8% of adult burn patients screened positive for post-traumatic stress disorder (PTSD). The study highlights the importance of identifying patients who may benefit from mental health assessment and intervention.
Researchers compared two tests for assessing learning deficits in multiple sclerosis (MS), revealing clear differences in performance. The Open Trial Selective Reminding Test (OT-SRT) identified all participants as impaired, while the California Verbal Learning Test II (CVLT-II) only identified 34% as similarly impaired. Differences in...
A new blood test can detect liver damage in 30-45 minutes, distinguishing between healthy and damaged individuals. The test could lead to earlier treatment and potentially save millions of lives.
Researchers created a 'quick and robust' blood test that can detect liver fibrosis, the first stage of liver scarring, from a blood sample in 30-45 minutes. The new method uses polymers coated with fluorescent dyes to bind to blood proteins, offering a simple and inexpensive way to diagnose disease.
A new test developed by UCSF scientists can predict a woman's risk of preterm birth with over 80 percent accuracy when taken between 15 and 20 weeks pregnant. This information enables doctors to treat women at high risk for preterm birth, potentially preventing severe complications.
Asthma management is complicated by heterogeneity and variability, making it difficult to implement optimal strategies. The role of physicians in managing asthma complexity is particularly challenging, requiring knowledge, dedication, and experience.
Research shows that even healthy-weight boys have become less fit over the past 20 years. The study measured aerobic fitness in 11-year-old boys and found a decline in heart rate recovery, indicating poorer cardiovascular health.
Researchers have created a model to capture subtle differences in urine flow patterns using high-speed photography, which can help diagnose urethral strictures. The team plans to develop an app that allows patients to record and analyze their own urine flow images.
A recent case report documents how a patient's use of biotin supplements caused clinically misleading test results, prompting multiple consultations and unnecessary testing. The study highlights the need for caution when using biotin supplements, as they can interfere with certain lab tests.
A simple visual screening tool, VAT, shows increased predictive value for dementia risk when combined with MMSE score declines. The tool may help identify older adults at increased risk of developing dementia.
A study found that late HIV diagnoses remain high, prompting the need for expanded testing. HIV diagnoses are increasingly being made outside of traditional sexual health clinics.
A randomized clinical trial found that students who received eyeglasses earlier in the school year outperformed those who got them later, leading to improved math scores. The study highlighted the importance of access to vision care services for children with poor vision in rural China.
Researchers at NIST are creating a virtual reality test bed to develop user-friendly interfaces for firefighters, law enforcement officers, and other emergency responders. The goal is to enable faster development, testing, and deployment of these interfaces, reducing risk exposure in real emergencies.
A recent study published in British Journal of Clinical Pharmacology found that large variability in urine concentrations makes it impossible to determine an administered dose from a single untimed urine sample. This highlights the need to reconsider the use of urine tests for detecting salbutamol doping, as many violations will go unn...
Scientists developed a new laboratory test to diagnose peanut allergies with high accuracy and safety. The mast activation test (MAT) measures biomarkers associated with allergic reactions and can detect peanut allergy in children as young as six months old.
A study found that individuals with chronic anxiety exhibited increased nerve activity in response to physiological and mental stressors, which can lead to high blood pressure and heart disease. The research team measured sympathetic nerve activity and blood pressure in volunteers with and without anxiety.
A team of Yale University scientists has developed a new approach to glycosylation that is remarkably simple and works in water at room temperature. This process can be generalized to create large numbers of different compounds, making it easier to find the best biochemical probes and therapeutics.
Researchers found slight improvements in vision after eating dark chocolate, particularly in visual acuity and contrast sensitivity. The effects of dark chocolate on vision remain unknown beyond the short-term, and further studies are needed to confirm these findings.
A new study shows a predictive link between VaxArray-measured potency and vaccine-induced immunogenicity in mice. The study found strong correlations between VaxArray assays and serum levels of antibodies targeting influenza hemagglutinin and neuraminidase.
A new study found that children exposed to general anesthesia during hospital procedures had a 17% increased risk of poor child development and 23-34% increased risks of lower reading and numeracy scores. Researchers recommend early intervention and monitoring for these children.
A portable test has been developed to identify populations at risk of measles and rubella infections in remote areas. The new technology can rapidly test multiple blood samples and is a potentially useful tool for addressing vaccine-preventable diseases in developing countries.
Research suggests that mental fatigue, rather than physical fatigue, has a significant impact on older adults' walking ability. Volunteers performed physically and mentally tiring tasks, with their gait speed and stride length decreasing significantly in those who reported more cognitive fatigue.
A new study by University of Gothenburg researchers identifies a superior blood-based biomarker for assessing subtle brain injury after sports-related concussions. The protein neurofilament light (NfL) levels were found to correlate with the severity of concussion and the duration of post-concussive symptoms.
Researchers tested Dual Path Platform (DPP-POCT) Syphilis Screens tests in rural clinics and a hospital in the Solomon Islands, showing high patient satisfaction and ease of use. The point-of-care test can provide results in under half an hour with no electricity or special equipment needed.
A phase I clinical trial enrolls adults with type 1 or 2 diabetes to test the accuracy of a non-invasive tattoo sensor that measures glucose levels through sweat. The technology has the potential to break down barriers to regular blood glucose monitoring, improving patient management and quality of life.
A simple handgrip strength test is a good indicator of short- and long-term survival in early-stage non-small cell lung cancer patients. Patients with weak handgrips were 1.5 times more likely to die within five years, compared to those with strong handgrips.
A recent study found that coho salmon became ill and nearly died after exposure to polluted stormwater, while chum salmon showed no signs of distress. The researchers are now investigating the physiological differences between the two species to understand why chum salmon are more resistant to toxic runoff.
Researchers propose novel molecular therapy to treat deadly pediatric brain cancer, effective in preclinical tests and humanized mouse models. The compound triggers DNA damage in cancer cells, disrupting telomere function and killing brain cancer stem cells.
Scientists have developed a new method to create more sophisticated brain-like organoid models by transplanting them into rodents, enabling longer survival and increased complexity. This breakthrough could lead to better therapies for neurological disorders, as well as the potential for human cell transplantation in the brain.
Researchers developed nanoparticles that deliver microRNA-29b to lung tumors, potentially improving treatment outcomes. The technology overcomes limitations of traditional delivery methods and demonstrates promising results in mouse models.
A new study found that almost 100 million adults in China suffer from chronic obstructive pulmonary disease (COPD), with men having a higher prevalence than women. The study highlights the need for public health strategies to prevent COPD, including smoking cessation programs and stricter control of ambient air pollution.
Researchers have trained rats to sniff out tuberculosis in children, detecting cases 68% more accurately than traditional smear tests. The new method has the potential to save up to 70% of untreated patients in low-income countries.
Scientists at the University of Bonn and Caesar research institute built a one-wheeled vehicle using DNA rings, achieving a length of 240 nanometers on its test drive. The nanomachine uses chemical energy to rotate and is controlled by an RNA thread that grows as it moves.
Researchers developed a smartphone app to generate an objective score that reflects symptom severity in patients with Parkinson's disease. The app uses machine learning and existing smartphone components to collect data on movement, speech, and daily tasks.
Researchers found higher levels of vitamin D binding protein in children with bipolar disorder compared to those without mood disorders. The study suggests a potential blood test to confirm bipolar diagnosis, which could improve care and reduce the current 10-year average lag time.
A new study found that up to 70% of 18-24-year-olds have never been tested for HIV. Young women and black/Latino individuals were more likely to have been tested than men and whites, respectively. The authors suggest addressing structural racism and behavioral interventions to improve testing rates.
A new point-of-care test measures CXCL13 concentration in cerebrospinal fluid to diagnose neuroborreliosis, allowing for targeted antibiotic treatment and reducing unnecessary treatments. The test provides quick results, reducing the time between diagnosis and treatment initiation.
Researchers have identified a specific sugar found on aggressive breast cancer cells that can be used as a biomarker to detect high-risk patients. This discovery aims to improve screening for early-stage breast cancer patients, reducing unnecessary treatments such as chemotherapy or radiation.
Leprosy patients develop unusual fatty clots that can lead to stroke or heart attack. Researchers identified key factors and molecules involved in clot formation, including soluble tissue factor and von Willebrand factor.
A new measurement chip has been developed to detect Legionella pneumophila, a deadly bacterium that causes pneumonia. The chip uses microarray analysis and can identify the specific subtype of the pathogen present within 34 minutes.
Researchers from the University of Surrey tested 50 drug-free volunteers and 15 drug users, detecting cocaine and heroin residues in 13% and 1% of fingerprints respectively. A 'cut-off' level was established to distinguish between environmental contaminants and genuine drug use, even after washing hands.
A new study suggests that providing free insulin and blood glucose test strips to low- and middle-income families in India significantly improves blood-sugar control. The study also found that patients' knowledge of diabetes improved, especially those with higher education and urban dwellings.
A new test developed by chemists can screen for synthetic opioids and cannabinoids in just under five minutes, helping medical staff identify the cause of an overdose. The device uses a small cartridge to extract and analyze drugs from blood samples, providing a potential solution to the growing crisis of opioid overdoses.
A new University of Michigan study highlights the critical role of social and public health services in helping patients access lifesaving HIV services. Providers who offer behavioral interventions are more likely to link patients to testing and care.
Researchers at FEFU developed a new synthetic derivative of fascaplysin with enhanced antitumor activity, demonstrating 2-3 times higher efficacy against cervical cancer and monocytic leukemia cells. The study also uncovered a novel alkaloid, 6-oxofascaplysin, derived from indigo.
A new male birth control pill called dimethandrolone undecanoate (DMAU) appears to be safe and effective when used daily for a month. The study found that DMAU suppresses levels of testosterone and two hormones required for sperm production, providing consistent contraception.
A study found that adults with a history of cancer treatment exhibit higher levels of fatigue and reduced endurance compared to those without a cancer history. The researchers discovered a significant association between a history of cancer treatment and increased fatigability, particularly in older adults.
A new blood test developed by University of Alberta physician Peter Hwang promises to eliminate the guesswork in diagnosing apparent heart attacks. By analyzing fragmented troponin levels, clinicians can better determine the extent of cardiac damage and make informed decisions about treatment options.
Researchers have developed a method to capture circulating tumor cells, which could provide an additional way to track treatment progress or screen for disease. The technology shows promise in reducing the number of circulating tumor cells during successful radiation therapy, suggesting potential as a predictive biomarker.
New University at Buffalo research found that Hispanic patients prefer to receive care in Spanish, even if they're fluent in English. Language barriers restrict access to testing and diagnosis for many, but tailored outreach strategies can promote HIV testing in Hispanic communities.