Articles tagged with Medical Tests
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Comprehensive examination of tools, techniques, methodologies, and approaches used across scientific disciplines to conduct research, collect data, and analyze results. Encompasses experimental procedures, analytical methods, measurement techniques, instrumentation, imaging technologies, spectroscopic methods, laboratory protocols, observational studies, statistical analysis, computational methods, data visualization, quality control, and methodological innovations. Addresses the practical techniques and theoretical frameworks enabling scientists to investigate phenomena, test hypotheses, gather evidence, ensure reproducibility, and generate reliable knowledge through systematic, rigorous investigation across all areas of scientific inquiry.
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Researchers at the University of Surrey have successfully identified biomarkers in blood that can detect sleep deprivation. A machine learning algorithm detected changes in gene expression levels with 92% accuracy, paving the way for a future test to assess driver fitness.
A new study found all ESBL-producing E. coli isolates from US retail meat were resistant to at least three antimicrobial classes, carrying various types of CTX-M type ESBL genes. The presence in food-producing animals and retail meat supplies may contribute to a greater incidence of infections.
Researchers developed a new suite of tests to simulate scratching processes on automobile clearcoats, providing valuable data on vulnerability, fracture resistance, and resilience. The tests aim to create more scratch-resistant and resilient coatings that meet consumer and industrial demands.
A new cell phone app and lab kit enable a smartphone to identify bacteria from patients anywhere in the world, leading to faster recovery and lower treatment costs for patients. The test uses a smartphone's camera to measure a chemical reaction and determines a diagnosis in about an hour.
New research reveals that AI can accurately interpret respiratory symptoms and diagnose lung diseases, surpassing human specialist results. The study trained an AI algorithm using high-quality data and found it to be more consistent and accurate than doctors in interpreting test results and suggesting diagnoses.
Researchers have developed a new blood test that can detect pancreatic cancer in its earliest stages with 96% accuracy, providing a potential breakthrough for earlier diagnosis and treatment. The test uses an antibody microarray to identify specific immune-regulatory proteins and cancer-associated antigens.
A blood test for microRNAs may help predict the likelihood of disease in dairy cows and improve animal welfare. This approach is already being applied to human disease diagnosis.
Very premature babies are more likely to harbor Ureaplasma bacteria, which can cause respiratory infections and lead to long-term breathing problems. A new study suggests that antibiotics may be effective in treating these infections and improving outcomes.
Scientists at Baker Heart and Diabetes Institute have identified plasma lipid biomarkers that improve upon traditional risk factors in predicting heart disease and stroke. The new blood test will use up to ten lipid markers to better diagnose heart disease, reclassifying patient risk and guiding treatment.
Researchers at NCATS developed a new system to accelerate the discovery of chemical compounds that inhibit NSD2, an enzyme implicated in multiple cancers. The team tested over 16,000 compounds and identified 44 promising inhibitors.
The study found that more than half of Americans misused their prescription drugs in 2017, with a surge in heroin and fentanyl misuse among patients with substance use disorders. The report also highlights the growing trend of gabapentin misuse and dangerous opioid combinations.
A new study suggests that graphic images on cigarette warnings are more effective in reducing smoking rates than text-only warnings. The study found that smokers who viewed graphic images remembered the warnings slightly longer than those who received text-only warnings, and were more likely to quit smoking six weeks later.
International experts advise against routine PSA screening for prostate cancer, citing small benefits and potential harm. However, clinicians should engage in shared decision-making with patients considering screening, especially those at higher risk of prostate cancer death.
Despite the risk of a 25% lower mortality rate, many people aged 60 and above are missing out on lifesaving bowel cancer screening. Inequalities in the system have widened, with those from deprived areas and ethnically diverse neighbourhoods being less likely to participate.
The European MACUSTAR consortium is conducting a multi-country clinical study on early AMD, focusing on intermediate-stage disease progression. Novel tests will be developed to assess earlier stages of the disease, improving diagnosis and treatment methods.
A team of researchers demonstrated how attackers can modify medical test results remotely using unencrypted data transmission, highlighting the need for improved security measures. Countermeasures include password-protecting systems, network segmenting, and adopting the Fast Healthcare Interoperability Resource standard
Researchers found a 9% increase in HIV testing during the intervention period, with crowdsourcing effective in promoting HIV self-testing among MSM. The study suggests crowdsourcing as a tool for developing youth-friendly HIV services and improving treatment outcomes worldwide.
Patients with high blood pressure are at increased risk of developing dementia within five years, yet cognitive function is not routinely measured. A clock drawing test was found to be more effective in detecting cognitive impairment than the Mini-Mental State Examination (MMSE) in adults with high blood pressure.
A new study suggests that incorporating heart scans into routine care could save thousands of lives in the UK. The SCOT-HEART study found that patients who received a computed tomography angiogram (CTA) scan had a 40% lower risk of heart attack within five years.
A new RAND Corporation report suggests that smartphone apps could improve medical record matching by allowing patients to participate in the process. The study found that mobile phones and smartphones offer a promising approach to ensure accurate record matching, but development and testing are needed.
Researchers found that transcranial direct current stimulation (tDCS) improved symptoms of neurodegenerative ataxias in patients. The treatment showed significant improvements in walking speed, hand and arm coordination, and overall test scores.
A simple blood test identifying patients unlikely to benefit from immunotherapy for bladder cancer could save months of unnecessary treatment. The test measures pro-inflammatory molecule Interleukin-2 release from immune cells before therapy and correctly predicted therapy outcome in almost 80% of cases.
The USPSTF has updated its recommendations for cervical cancer screening, varying by age and risk factors. Most cases occur among women who haven't been adequately screened, leading to a decrease in deaths from cervical cancer since widespread screening began.
Researchers at Colorado State University have developed a cheap and easy-to-use detection device that can quickly identify counterfeit antibiotics. The device uses a simple paper-based test to detect the presence of antibiotics, with a strip turning red if a falsified sample is present.
A simple laboratory score has been developed to diagnose patients with heart attack symptoms, reducing the number of blood tests and time spent in emergency departments. The score can identify patients at risk of subsequent heart issues after discharge.
A Colorado study found that more than half of sampled stores sold cigarettes to minors, despite a third being detected after multiple visits. The study suggests that testing each store more than once and verifying age from ID would improve enforcement.
A recent study by Yale researchers found that black patients are more likely to be tested for illicit drug use after starting opioids for chronic pain and have their prescriptions discontinued. The study highlights the need for a universal approach to monitoring patients prescribed opioids, particularly in addressing racial disparities.
Researchers found that a blood test conducted as early as the 10th week of pregnancy may help identify women at risk for gestational diabetes. The study suggests that measuring HbA1c levels in early pregnancy could determine a woman's later risk for the condition, allowing for lifestyle changes to reduce the risk.
A new low-cost whole blood test for toxoplasmosis has been developed with high sensitivity and specificity, making it suitable for diagnosing the infection during pregnancy. The test was found to be effective even in individuals with lower levels of anti-Toxoplasma antibodies.
A novel finger-prick test is 100% sensitive and specific for detecting Toxoplasma gondii infection during pregnancy. The test can rapidly inform obstetricians about the need for prompt treatment, potentially saving lives and preventing severe brain damage.
Research found a strong correlation between blood omega-3s and executive function in children from Northern Ghana. Children with higher omega-3 levels were more likely to perform better on cognitive tests, suggesting potential benefits for brain development.
Researchers found a simple combination of two blood tests can diagnose myeloma in GPs, enabling earlier diagnosis and treatment. The study analyzed over 2,700 cases and suggested integrating a system to alert clinicians to relevant symptoms or changes in blood parameters.
A Kaiser Permanente study found that community health center programs mailing free colorectal cancer screening tests to patients' homes increased screening rates by nearly 4 percentage points. Clinics that implemented the program had higher proportions of patients screened, with reminder letters significantly improving return rates.
A new study confirms that Kaiser Permanente's organized screening program has led to a 52% decrease in colorectal cancer mortality and a 25.5% decline in incidence, saving thousands of lives.
A new high-sensitivity blood test for cardiac troponin has been found safe and effective in diagnosing heart attacks faster than traditional methods. The test ruled out heart attack in 30-83.8% of patients within three hours, compared to 80.4% with conventional testing.
A new study by the University of Leicester found that larger muscles can compensate for poor muscle quality in Chronic Kidney Disease (CKD) patients, improving physical function and strength. The research suggests that muscle size is a more important factor than muscle quality in maintaining good physical performance.
A new study by San Francisco State University researchers found that students who sat up straight while taking math tests performed better than those who slumped over. Slumping was shown to be a defensive posture that can trigger negative memories, hindering clear thinking and performance.
A new study by University of Iowa researchers reveals that older adults are less likely to recognize when they've made a mistake. Despite performing tasks similarly to younger adults, older participants acknowledged errors less often and were more adamant about not having made a mistake. This impaired ability has significant consequenc...
A new field test has been developed to rapidly screen dogs for exposure to Phlebotomus pernicious sand flies, the primary vector of Leishmania infantum. The immunochromatographic test (ICT) shows high sensitivity and specificity in detecting antibodies against the fly's salivary protein.
A Mayo Clinic study found that specific gut bacteria, such as Phascolarctobacterium and Dialister, are associated with weight loss success and failure, respectively. The research suggests that individualized strategies may be needed to address the unique metabolic needs of each person.
A new analysis shows that completing a sepsis protocol within an hour of detection significantly increases survival rates in children, with completion of all elements required to reduce mortality. The study supports New York's Rory's Regulations mandate and encourages expansion to other states.
A Stanford University team has created a stretchy patch that measures cortisol levels in sweat, offering non-invasive and continuous monitoring of physiological conditions. The device, which uses a membrane bound to cortisol, detects charged ions in sweat and provides results in seconds.
A new study published in the British Journal of Surgery found that breath analyses can identify pancreatic cancer compounds. Researchers detected 12 specific volatile organic compounds indicative of pancreatic cancer, offering potential for early detection and treatment.
Researchers analyzed protein and RNA from routine breast cancer tests to distinguish between cancer and benign lesions, yielding 100% accurate results. This method may also aid in subtyping breast cancer, determining therapy options, and monitoring disease progression.
Researchers have developed an AI system that can identify and quantify cyanobacteria in water samples in about one to two hours, reducing the need for expensive lab tests. This tool could provide early warnings of problems, helping to ensure safe drinking water and preventing public health issues.
A study found that women with a history of pregnancy, particularly those giving birth to five or more children, may be at higher risk for developing Alzheimer's disease. Incomplete pregnancies were also shown to reduce the likelihood of Alzheimer's development.
A cluster-randomized trial in Western Kenya found that coupling free diagnostic tests with discounts on artemisinin combination therapy (ACT) boosted testing rates and improved the rational use of ACTs. The intervention increased malaria diagnostic testing by 50.5% and reduced misuse of antimalarial drugs.
Research at Stevens Institute of Technology found that smelling coffee-like scent improves analytical task performance, particularly due to the expectation that it will boost alertness. The study suggests that subtle scents can be used to shape employee experience and improve performance in various tasks.
A new study found that approximately half of news articles about the Montreal Cognitive Assessment (MoCA) in relation to President Trump embedded or hyperlinked to parts of the questionnaire. This has raised concerns among researchers about patients' prior exposure to the test, potentially affecting its validity.
A study at UNC Lineberger Comprehensive Cancer Center found that mailing colorectal cancer screening tests to patients insured by Medicaid increased screening rates for this population. The project resulted in a nearly 9 percentage point increase in screening rates compared to patients who just received a reminder.
A study of NCAA Division I college athletes found that those with attention deficit hyperactivity disorder (ADHD) were more susceptible to experiencing symptoms of depression and anxiety following a concussion. Athletes with ADHD and a history of concussion had significantly higher scores on tests measuring anxiety and depression.
Researchers found that repeated testing in middle-age men produced a practice effect, obscuring true cognitive decline and delaying detection of mild cognitive impairment (MCI). This has significant clinical consequences, as it can lead to misdiagnosis and delayed treatment for Alzheimer's disease (AD).
A breakthrough discovery by RMIT University could enable early detection of Type 1 diabetes in newborns, potentially delaying or preventing the onset of the disease. The collaboration combines lab-on-a-chip technologies with biomarker detection to identify early loss of beta cells.
A new patch developed at Washington University in St. Louis increases fluorescence intensity by 100 times, making it easier to visualize and diagnose low-abundance analytes. The plasmonic patch is a cheap fix that can be applied to existing diagnostic tests without requiring any protocol changes.
A recent study found that antibiotic susceptibility assays may yield unreliable results due to variations in inoculum levels. The findings suggest that clinical microbiology laboratories must adhere closely to standardized methods and target inoculum levels to obtain accurate testing results.
The University of Hong Kong research team developed a C-reactive protein sensor integrated onto a medical catheter, enabling real-time CRP sensing with a thickness less than one micrometer. This allows doctors to take immediate actions, speeding up testing and curing of inflammation by 30 times.
The unique properties of horseshoe crab blood make it invaluable for drug and safety testing, but over-harvesting poses significant risks to the species' health and ecosystem. Alternative tests and conservation strategies are needed to ensure a sustainable supply.
A new blood test can determine an individual's internal clock, allowing for personalized drug administration and more effective treatment. The test identifies biomarkers that reliably report internal time, differentiating early and late types.
A recent study found that most adolescents with gynecomastia do not require routine endocrinology assessment and hormone laboratory testing. Most cases of gynecomastia can be identified without such testing, according to the study.
The USPSTF updates its recommendation on screening for osteoporosis to include bone measurement testing for prevention of osteoporotic fractures in eligible populations. Approximately 12 million individuals in the US older than 50 years are expected to have osteoporosis by 2020.