Articles tagged with Medical Tests
A study found that lab results for adults with obesity are similar to those of their leaner counterparts, contradicting one theory behind the 'obesity paradox'. Instead, researchers suggest that unconscious bias in healthcare providers may lead to better outcomes for obese patients in critical care
Researchers identified six chronotypes: highly active, daytime sleepy, daytime active, moderately active, morning, and evening. A large-scale study tested 2,000 participants, showing that 95% identified with one of the types.
A recent analysis found that nearly 15% of talc-based cosmetics products contain asbestos, a deadly human carcinogen. The study highlights the need for rigorous testing methods and safer regulations to protect consumers from potential harm.
Researchers found that flavanol-enriched cocoa drink improved blood oxygenation levels in the brain, leading to enhanced cognitive performance. Participants completed complex tasks faster and with higher accuracy after consuming the flavanol-rich drink.
Researchers developed an animal-free method to predict nanoparticle toxicity, enabling safer industrial materials production and reducing environmental risks. The new approach identifies key cellular events triggering inflammation, allowing for high-throughput testing and connectable with in silico modeling.
Researchers from Edith Cowan University have developed a simple method to analyze the effectiveness of exercise training using vertical jumps. By measuring forces produced on the ground during jumps, they can predict detailed information about technique and muscle activation patterns.
Scientists have developed a new approach using nanosensors to detect trace amounts of biomarkers for early-disease diagnosis. The innovation increases detection speed by four times compared to common sensing techniques, enabling rapid disease tests that can be done at home or work.
A Baylor University study finds that cynical hostility may prevent a healthy response to stress over time, leading to increased cardiovascular strain. This type of hostility is characterized by negative beliefs and attitudes towards others' motives and trustworthiness.
Researchers at Virginia Tech prove that the mixture of sodium, chloride, potassium, calcium, urea, and bicarbonates in sweat can clog sweat ducts naturally, replacing metallic salts. A lab experiment demonstrates this concept using artificial sweat and a microchannel, showing a gel-like plug forms to seal the duct.
A rare nosocomial SARS-CoV-2 infection in healthcare workers is discussed in the article. Minimizing these incidents can be achieved through proper precautions such as wearing surgical masks, maintaining good ventilation, practicing physical distancing, using eye protection, and conducting regular testing and sick leave policies.
Researchers analyzed ABR tests of nearly 140,000 newborns in Florida and found slower brain responses to sounds in those later diagnosed with autism. The study presents a promising direction in using ABR testing as a method for precise autism detection at birth.
The TEAL respirator features sensors to detect proper wear and filter saturation, achieving a 100% success rate for fit testing. It can be sterilized and reused up to 100 cycles without significant loss of elasticity.
A new rapid test has shown solid diagnostic performance in distinguishing between patients with and without periprosthetic joint infection (PJI), a serious complication of total joint replacement. The test, which measures alpha-defensin levels in synovial fluid, achieved high sensitivity and specificity rates.
Researchers analyzed saliva samples from over 500 participants to identify microRNA levels that could indicate a concussion. The study found that measuring these molecules in saliva can aid diagnosis with high accuracy, potentially replacing current symptom scales and neurocognitive tests.
Researchers aim to create a low-cost, time-efficient procedure to identify and screen patients at high risk of cognitive decline. A new risk calculator and screening tool will be developed and validated to detect reversible causes of cognitive decline.
A new study demonstrates that pooling treatment recommendations from multiple prescribers using the 'wisdom of crowds' concept can improve decisions on antibiotic prescribing and reduce overuse. Using international survey data, researchers found that groups of three or more prescribers showed significant benefits in guideline compliance.
A clinical trial is underway to test the safety and feasibility of intrapleural liposomal curcumins as an alternative to chemotherapy for malignant mesothelioma. The researchers aim to reduce toxic side-effects and facilitate early diagnosis with a special lung fluid test.
Engineers at Monash University developed a portable and cheap diagnostic that measures fibrinogen concentration in blood. This simple test can diagnose hypofibrinogenemia in critically bleeding patients anywhere in the world, reducing treatment time by up to five times.
Neural interface electrodes play a crucial role in studying the nervous system and developing potential treatments for diseases. A new set of guidelines has been established to standardize the testing of these electrodes, enabling transparent reporting and promoting an efficient scientific process.
A Dartmouth study found that involving pediatric practices in promoting private well water testing can significantly influence parental compliance. The study, which tested two interventions, showed that providing both parents and clinic access to results and follow-up reminders increased testing completion rates.
A new DNA test developed by Flinders University can accurately determine the legal status of seized ivory samples, even in highly degraded state. The technique has shown 100% identification accuracy and correct assignment in the legal status of 227 highly degraded ivories.
A Mayo Clinic study analyzed Google web searches for keywords related to COVID-19, finding strong correlations with outbreaks in parts of the US up to 16 days prior. The study's findings suggest that analyzing internet surveillance data can help predict and respond to hot spots in a pandemic.
Two new research projects will explore the use of drones for medical delivery purposes in the UK, aiming to facilitate faster and more efficient movements of medical items. The projects, funded by Innovate UK, will focus on creating standard operational procedures for drone-enabled delivery operations.
Researchers have identified phosphorus-containing compounds as markers for thyroid hormone action in tissue using non-invasive magnetic resonance spectroscopy. This allows for the measurement of hormone action in different areas of the body, potentially improving care for patients with thyroid dysfunction.
Researchers at the University of Sydney have developed a new method to predict speech perception for individual recipients, enabling personalized cochlear implant configurations. This study aims to further improve the performance of cochlear implants in noisy environments.
Researchers at McMaster University have developed a prototype for a hand-held device that can read the levels of a cancer biomarker, similar to a blood-sugar monitor. The device simplifies cancer testing by allowing patients to collect samples at home and providing accurate results in minutes.
Researchers found that a D-dimer blood test alone can accurately identify patients at risk of deep vein thrombosis (DVT), allowing for targeted follow-up with ultrasound examinations. The study suggests this simplified approach could reduce unnecessary tests and improve diagnosis accuracy.
A new test developed by Johns Hopkins University can accurately pinpoint and capture the deadliest cells in glioblastoma, a type of fatal brain cancer. The method's accuracy in predicting patient outcomes varies from 86% to 100%, suggesting its potential for developing targeted therapeutics.
Researchers have developed a new statistical model that accurately analyzes electrodermal activity (EDA) signals, providing insights into internal cognitive states and physiological processes. The inverse Gaussian model matches the physiology of sweat production and offers a principled approach to modeling EDA signals.
Researchers at University of Reading and Newcastle University found planaria can be used as a reliable alternative for testing topical skin products without harming animals. The use of fluorescent dye mixed with potential skin products shows accurate interaction with living tissue.
A new study published in JAMA Cardiology found that 30,000 out of every 100,000 stress tests performed each year were unnecessary for patients undergoing knee and hip replacement surgeries. Despite a decrease in overall stress testing since 2006, the study highlights the need for educational initiatives to improve the utilization of me...
A collection of articles reviews the literature on using isokinetic testing to measure muscle strength in older adults with conditions such as COPD and stroke. The studies provide evidence for the validity and reliability of isokinetic strength testing, but highlight limitations in responsiveness and practicality.
Researchers evaluated COVID-19 testing and positive case rates among Seattle residents with varying language backgrounds, finding significant disparities. The study suggests that language use can be used as a proxy for immigrant status to identify populations at higher risk of COVID-19 infection.
Researchers have identified 11 critical cyber vulnerabilities in SweynTooth technology, which affects at least 32 medical devices in Singapore. The Greyhound framework was designed to systematically sniff out security lapses in Bluetooth-enabled devices, with 90% of affected device manufacturers implementing preventive measures.
A new CRISPR-based diagnostic method has been developed to detect four species of the malarial parasite Plasmodium. The test uses a nucleic acid detection platform called SHERLOCK and is optimized for field conditions, with a cost of $0.61 per test.
A study of 200,000 UK Biobank blood samples found over 2,000 undiagnosed cases of type 2 diabetes, with patients waiting on average 2.3 years for a clinical diagnosis. Population-level screening using HbA1c testing could identify cases earlier and reduce complications.
Researchers are testing a digital therapeutic device that uses music and sensors to help individuals recover from stroke-induced mobility loss. The study aims to improve walking speed and community ambulation in participants, offering new hope for those affected by stroke.
Researchers have developed a painless and biodegradable patch using microneedles to diagnose conditions like prediabetes. The patch combines porous microneedles with paper-based sensors for accurate glucose monitoring.
A new study provides a framework for guideline developers to offer specific guidance on right-sizing care, including when to start and stop treatments or screening. The recommendations are tailored for adult primary care and aim to reduce unnecessary testing and treatment, improving patient outcomes and quality of life.
Researchers at the University of Turku developed a rapid point-of-care diagnostic test to detect ovarian cancer from blood samples in 30 minutes. The new test shows improved sensitivity and accuracy compared to conventional CA125 diagnostics.
Researchers found that shorter rest periods, such as zero, two, and five minutes, yield the same results when measuring blood pressure. This discovery could help improve the efficiency of blood pressure assessments in busy clinical settings.
A new study of NCAA football players has found that the age they first started playing tackle football may not affect their recovery after a concussion. The study, which involved 621 athletes, tested their symptom severity and performance on thinking and memory tests after experiencing a recent concussion.
Researchers tested using wild crop relatives in breeding programs to improve crop resilience. The results showed that these relatives provided increased resistance to heat, drought, and some diseases, making them a promising approach to address climate change adaptation. However, breeders must also consider the potential impact on indu...
A team of researchers developed an individual biocontainment unit using negative pressure to filter out viral particles, preventing environmental contamination. The device was tested with over 99.99% of virus-sized aerosols trapped, making it safer for healthcare workers.
A study found that individuals with declining kidney function starting at age 30 performed like those nine years older on certain cognitive tests 20 years later. This suggests that preserving kidney function in young adulthood may be crucial for maintaining thinking skills in midlife.
Researchers report the first effective therapy for fainting, which is caused by a fall in blood pressure and/or number of heart beats. The new treatment involves pacemaker therapy, showing a 77% relative risk reduction of fainting over two years.
A new palliative care model, known as Short-Term Integrated Palliative Care (SIPC), has been shown to improve quality of life for patients with long-term neurological conditions while reducing costs. The study found no significant difference in patient-reported outcomes between SIPC and standard care.
A new physiological test for diagnosing autism spectrum disorder (ASD) has shown promise, accurately identifying 124 of 131 children with ASD regardless of co-occurring medical conditions. The test measures metabolites in a blood sample and predicts diagnosis with minimal impact from other health issues.
Paleontologists used a new approach to estimate sexual variation in dinosaur fossils, finding patterns in size differences between males and females. The study suggests that using effect size statistics can produce accurate estimates of sexual dimorphism even with limited fossil data.
A new study from Lund University reveals a significant link between cognitive impairment and increased risk of rehospitalization and death in heart failure patients. The study, which examined 281 patients, shows that those with impaired cognitive function are more likely to experience poor outcomes.
Researchers have identified a non-invasive and targeted treatment to correct nerve damage and address the pervasive problem of fecal incontinence. Magnetic stimulation of nerves regulating muscles in the anus and rectum improves function and reduces episodes of fecal incontinence in patients.
A new device developed by Dartmouth engineers has the potential to improve patient outcomes for prostate cancer patients who undergo radical prostatectomy. The device, which uses microendoscopic electrical impedance sensing probe technology, aims to detect positive surgical margins and prevent disease recurrence.
An observational study found COVID-19 case rates increased significantly among incarcerated individuals and staff in Massachusetts jails and prisons following decarceration. Testing rates were also lower during this period, contributing to the spread of the virus.
A study by Duke University researchers found that individuals who identify with groups tend to discriminate against those outside their groups, even in non-political settings. In contrast, those who do not identify with groups are less prone to bias and make decisions faster.
A new technology allows scientists to study the role of gut bacteria in health by taking samples anywhere in the gastrointestinal tract. The non-invasive tool, a drug-like capsule, can collect intestinal fluid containing bacteria and protect it for analysis.
Researchers at Babylon have developed a new approach to AI diagnosis using causal machine learning, which enables the algorithm to consider alternative realities and improve accuracy for written test cases. This technology has the potential to augment the work of clinicians and drive better healthcare outcomes.
A non-fasting blood test, hemoglobin A1c (HbA1c), can accurately identify youth at risk for type 2 diabetes and heart disease. The study suggests using HbA1c more frequently to screen youth for diabetes and related health risks.
Research published in the American Journal of Obstetrics and Gynecology found that women who consume alcohol during early pregnancy face a higher risk of miscarriage. The study analyzed data from over 5,500 women and found an incremental 8% increase in miscarriage risk each week of alcohol use.
A new combined approach improves prediction of type 1 diabetes in high-risk children, allowing better risk counselling and early intervention. The test doubles the efficiency of newborn screening programmes to prevent life-threatening ketoacidosis.
A new DNA test can accurately identify individuals whose gonorrhea is curable with a single dose of oral ciprofloxacin, providing an alternative treatment option. The study found that all 106 subjects identified as having the wild-type gyrA serine strain were cured with the antibiotic.