Articles tagged with Medical Tests
Comprehensive exploration of living organisms, biological systems, and life processes across all scales from molecules to ecosystems. Encompasses cutting-edge research in biology, genetics, molecular biology, ecology, biochemistry, microbiology, botany, zoology, evolutionary biology, genomics, and biotechnology. Investigates cellular mechanisms, organism development, genetic inheritance, biodiversity conservation, metabolic processes, protein synthesis, DNA sequencing, CRISPR gene editing, stem cell research, and the fundamental principles governing all forms of life on Earth.
Comprehensive medical research, clinical studies, and healthcare sciences focused on disease prevention, diagnosis, and treatment. Encompasses clinical medicine, public health, pharmacology, epidemiology, medical specialties, disease mechanisms, therapeutic interventions, healthcare innovation, precision medicine, telemedicine, medical devices, drug development, clinical trials, patient care, mental health, nutrition science, health policy, and the application of medical science to improve human health, wellbeing, and quality of life across diverse populations.
Comprehensive investigation of human society, behavior, relationships, and social structures through systematic research and analysis. Encompasses psychology, sociology, anthropology, economics, political science, linguistics, education, demography, communications, and social research methodologies. Examines human cognition, social interactions, cultural phenomena, economic systems, political institutions, language and communication, educational processes, population dynamics, and the complex social, cultural, economic, and political forces shaping human societies, communities, and civilizations throughout history and across the contemporary world.
Fundamental study of the non-living natural world, matter, energy, and physical phenomena governing the universe. Encompasses physics, chemistry, earth sciences, atmospheric sciences, oceanography, materials science, and the investigation of physical laws, chemical reactions, geological processes, climate systems, and planetary dynamics. Explores everything from subatomic particles and quantum mechanics to planetary systems and cosmic phenomena, including energy transformations, molecular interactions, elemental properties, weather patterns, tectonic activity, and the fundamental forces and principles underlying the physical nature of reality.
Practical application of scientific knowledge and engineering principles to solve real-world problems and develop innovative technologies. Encompasses all engineering disciplines, technology development, computer science, artificial intelligence, environmental sciences, agriculture, materials applications, energy systems, and industrial innovation. Bridges theoretical research with tangible solutions for infrastructure, manufacturing, computing, communications, transportation, construction, sustainable development, and emerging technologies that advance human capabilities, improve quality of life, and address societal challenges through scientific innovation and technological progress.
Study of the practice, culture, infrastructure, and social dimensions of science itself. Addresses how science is conducted, organized, communicated, and integrated into society. Encompasses research funding mechanisms, scientific publishing systems, peer review processes, academic ethics, science policy, research institutions, scientific collaboration networks, science education, career development, research programs, scientific methods, science communication, and the sociology of scientific discovery. Examines the human, institutional, and cultural aspects of scientific enterprise, knowledge production, and the translation of research into societal benefit.
Comprehensive study of the universe beyond Earth, encompassing celestial objects, cosmic phenomena, and space exploration. Includes astronomy, astrophysics, planetary science, cosmology, space physics, astrobiology, and space technology. Investigates stars, galaxies, planets, moons, asteroids, comets, black holes, nebulae, exoplanets, dark matter, dark energy, cosmic microwave background, stellar evolution, planetary formation, space weather, solar system dynamics, the search for extraterrestrial life, and humanity's efforts to explore, understand, and unlock the mysteries of the cosmos through observation, theory, and space missions.
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.
Study of abstract structures, patterns, quantities, relationships, and logical reasoning through pure and applied mathematical disciplines. Encompasses algebra, calculus, geometry, topology, number theory, analysis, discrete mathematics, mathematical logic, set theory, probability, statistics, and computational mathematics. Investigates mathematical structures, theorems, proofs, algorithms, functions, equations, and the rigorous logical frameworks underlying quantitative reasoning. Provides the foundational language and tools for all scientific fields, enabling precise description of natural phenomena, modeling of complex systems, and the development of technologies across physics, engineering, computer science, economics, and all quantitative sciences.
A cross-sectional study of over 25,000 adults found that approximately 70% of identified adrenal tumors were nonfunctioning, regardless of participant's age. The prevalence of adrenal tumors increased with age, from 0.2% in young adults to 3.2% in older adults.
A UConn study found that Connecticut's notification system for substance-ex exposed infants has connected over half of identified cases with community supports and services. The system, which uses de-identified data, has shown promise in reducing disparities in testing and reporting, but there is still room for improvement.
A study of 2.4 million Medicare beneficiaries found that those enrolled in Medicare Advantage had lower rates of low-value care, including unnecessary tests and treatments. This study highlights the potential benefits of Medicare Advantage plans in reducing waste in healthcare.
A new study has successfully predicted ovarian cancer in patients with a pelvic mass using a simple blood test. The liquid biopsy technology captures circulating tumor cells, allowing for genetic analysis in just a couple of hours, which can help diagnose the disease earlier.
A new study identified distinct metabolic profiles in women with Idiopathic Intercranial Hypertension (IIH), a condition characterized by raised brain pressure. Weight loss programs showed positive effects on results, suggesting that metabolism plays a role in disease development.
A Cornell-led group of researchers has developed a search method that identifies terms similar to cancer screening tests in colloquial language, expanding conventional data-collection pipelines. The technique was applied to YouTube searches, retrieving relevant videos using words semantically close to the main term.
A majority of early career scientists from underrepresented backgrounds experience psychological distress due to social unrest caused by systemic racism. However, the study found that mentoring relationships have a positive impact on their well-being.
Researchers from UMass Amherst have created a tiny sensor that can simultaneously measure electrical and mechanical cellular responses in cardiac tissue. This breakthrough device has the potential to lead-edge applications in cardiac-disease experiments and improve health monitoring for cardiac disease studies.
Researchers have found that children with autism show significant differences in their pupillary light reflexes, which can be used as a potential screening biomarker. The study demonstrates the parameters of interest that matter for detecting autism and validates earlier findings using monocular technology.
A tiny sensor can detect lithium levels from sweat on a fingertip in 30 seconds, providing a non-invasive alternative to blood tests. The sensor, developed by researchers, has the potential to improve medication adherence and patient care.
Visual acuity testing at home and in a clinical setting have been compared for their accuracy and feasibility. The study found that both methods produced similar results, but the home-based test was faster and more convenient.
Researchers discovered 13 cases of asymptomatic MSM with positive monkeypox virus PCR results in anal samples, raising concerns about the outbreak's transmission dynamics. The findings suggest that vaccination may not be an effective strategy for preventing infection, highlighting the need for expanded public health interventions.
A study of 127,000 patients with positive and negative SARS-CoV-2 tests found elevated health care use six months post-infection. This suggests that healthcare systems should consider long-term strategic planning to address expected increased use.
Researchers at Aston University have developed a new approach to tackle one of the underlying causes of asthma, not just its symptoms. The treatment, which targets the structural changes made by asthmatic airways, shows promising results in mice, reducing symptoms within two weeks and returning airways to near normal.
The research team will analyze the remaining two enzymes necessary for riboflavin production and build a 'riboflavinator' in a test tube. This understanding could lead to improved methods for treating diseases and improving public health.
A new visualization tool combines clinical and home blood pressure readings to aid in blood pressure management. It enhances shared decision-making between doctors and patients by integrating at-home readings with electronic health records.
A new study published in JAMA Internal Medicine found that an alert about a shortage of blood test tubes led to a significant reduction in unnecessary blood clotting tests. The study suggests that similar interventions could reduce low-value care and promote wise use of medical tests.
A new study has developed cut-off points to measure handgrip strength in the general population, considering gender, body height, and aging. Low handgrip strength is linked to increased mortality risk and may indicate underlying health conditions such as heart and lung problems.
Researchers at Cold Spring Harbor Laboratory have developed a rapid organoid screening test that can predict response to neoadjuvant chemotherapy in pancreatic cancer patients. This test may help optimize personalized treatment plans and improve patient outcomes.
A University of Ottawa-led team has developed an AI-based deep learning model to identify cystic hygroma, a rare and life-threatening disorder, from first-trimester ultrasound scans with high sensitivity and specificity. The approach may be applied to other fetal anomalies identified by ultrasonography.
The England Men's Cricket Team has become leaner and fitter over the past seven years, with a significant drop in body fat and substantial improvements in fitness levels. The study found players have 18% less body fat and increased cardiovascular capability.
The study found that patients with severe stress-induced myocardial ischemia are likely to benefit from heart bypass surgery or angioplasty, while those with mild or no ischemia are not. Early revascularization was associated with a more than 30 percent reduction in mortality compared to patients treated with medication.
The American Broncho-Esophagological Association has established new standards for swallowing fluoroscopy, providing a comprehensive guide for clinicians to improve patient care. The guidelines cover areas such as patient selection, fluoroscopic study choice, radiation safety, and training requirements.
Researchers have devised a way to deliver carbon monoxide to the body using stable foams that can be delivered to the digestive tract. The foams reduced inflammation of the colon and helped reverse acute liver failure in mice, offering a potential alternative to immunosuppressive treatments.
Researchers found that factory-calibrated continuous glucose monitors are sufficiently accurate for estimating blood-sugar levels in patients with end-stage renal disease on hemodialysis. The devices showed 'clinical reliability', with almost 99% of readings accurate enough to be used without confirmatory fingerstick blood sugar readings.
The MedSENS instrument measures body temperature, heart rate, and oxygen saturation from the ear canal using innovative sensors. It has been tested in harsh environments and proven to be easy to use, with its data transmitted wirelessly to other devices.
Researchers from Dartmouth's Geisel School of Medicine found a significant rate of new TB infections among Tanzanian adolescents. The study used serial testing and identified transient, persistent, and irregular conversions between positive and negative IGRA test results.
Researchers at Ural Federal University created a sensor to detect human saliva pH levels using a reusable, non-toxic fluorophore. The sensor can pick up small fluctuations in pH and provides accurate results in just 5-7 seconds.
A collaborative initiative aims to establish common protocols for assessing and comparing diffuse optics systems used in medical diagnosis. The study presents the results of a multi-laboratory comparison of 12 institutions and 28 systems, proposing simple numeric values for easy comparison across instruments.
A randomized controlled trial found that spinal anesthesia was associated with worse pain immediately after surgery, but differences diminished over time. Researchers also found higher rates of pain reliever prescriptions at 60 days in the spinal anesthesia group.
A new study published in Nutrients found that individuals with higher red blood cell DHA levels have a 49% lower risk of developing Alzheimer's disease. The study, conducted on 1,490 participants aged 65 and older, suggests that increasing dietary omega-3 DHA levels may slow the development of the disease.
A national survey study found that colorectal cancer screening increased via stool testing while colonoscopy decreased during the pandemic. Breast and cervical cancer screenings also saw modest declines.
A new study presents a self-powering smart pillow that tracks head movement during sleep using triboelectric nanogenerators. This system could improve the accuracy of sleep monitoring and have uses beyond tracking sleep, such as monitoring patients with cervical spondylosis or detecting early warning signs for falls.
Researchers have identified new biomarkers to detect non-small cell lung cancer in its early stages through a blood test, offering improved survival chances. The approach can also identify potential drug resistance, allowing clinicians to choose alternative treatment options.
Experts advise against routine prostate cancer tests for asymptomatic men due to the test's limited ability to prevent deaths and potential for overdiagnosis. Instead, they recommend using a 'risk checker' tool to explore options with a doctor, emphasizing the need for evidence-based guidance on PSA testing.
Scientists have discovered that certain metals found in people's urine could be potentially useful clinical biomarkers for the early detection of acute kidney injury (AKI). The study, which was led by experts from the University of Nottingham, found that concentrations of these metals rose in urine within an hour after cardiac surgery ...
This study conducted within an existing community-based COVID-19 testing program successfully integrated rapid diabetes screening, reaching low-income Latinx individuals who were mostly undiagnosed with prediabetes and diabetes. The results highlight the importance of addressing health disparities in underserved populations.
Veterinarians at UC Davis have developed an AI model that can predict Leptospirosis in dogs with high accuracy, outperforming traditional testing methods. The model uses machine-learning algorithms to analyze historical data and provide timely predictions, which can be an online resource for veterinarians.
Engineers at Stanford University have developed a microfluidic system that isolates allergen-reactive basophils from blood samples using magnetic nanoparticles. The device achieves purities and recovery over 95% in just 10 minutes, making it accessible to clinics and diagnostic labs.
Patients with a history of unprovoked venous thromboembolism who stop treatment after negative D-dimer tests experience an eight-fold increased risk of recurrence compared to those on low-dose apixaban. Low-dose apixaban was found safe and effective for these patients
A study found that patients with IgD multiple myeloma have a worse prognosis than other types, with higher mortality rates and more kidney damage. The rare blood cancer produces excessive light chains that can damage the kidneys if left untreated.
Researchers at Kyoto University's Institute for Integrated Cell-Material Sciences developed a novel photolithography technique to create self-enclosed, porous channels in microfluidic devices. This process enables the creation of high-resolution channels capable of carrying aqueous solutions and separating small biomolecules.
Researchers evaluated various vaccination, testing, and surveillance measures to control Omicron variant spread on a university campus. The study found that routine surveillance and vaccination efforts were effective in reducing case numbers and hospitalizations.
A new screening tool has been developed to identify pregnant women at risk of eating disorders, allowing for early intervention and treatment. The Prenatal Eating Behaviors Screening (PEBS) tool, created by WVU researchers, uses a 12-question screener to assess symptoms and emotions associated with eating disorders.
Researchers developed a biosensor using nanostructured and nanoporous surfaces to detect biomarkers in clinical samples, overcoming technical challenges of small sample amounts. The new technology can provide quick and accurate diagnoses for diseases like prostate cancer without needing dilution or preprocessing steps.
A wireless pacifier developed by researchers at Washington State University can monitor infants' electrolyte levels without the need for invasive blood draws. This non-invasive method provides real-time monitoring of sodium and potassium ion concentrations in saliva.
A team of scientists led by Professor Barbara Pierscionek has made significant progress in developing an anti-cataract drug. Lab trials showed improvement in refractive index profiles and lens opacity in 61% and 46% of cases, respectively.
A new nanosensor platform uses machine learning to analyze spectral signatures of carbon nanotubes for early detection of ovarian cancer. The approach detects biomarkers and recognizes the cancer itself, offering a promising alternative to traditional methods.
Serial self-testing with untrained individuals revealed a high frequency of procedural steps errors and accurate interpretations were inconsistent. The study suggests that self-performed RADT may not be suitable for mass screening in the workplace.
CHOP researchers developed CancerVar, an artificial intelligence-empowered platform for interpreting somatic cancer mutations. The tool provides standardized procedures for assessing the clinical impacts of over 13 million somatic cancer mutations.
A flexible sensor embedded in a diaper measures multiple components in urine, sharing results over Bluetooth for fast bedside analyses. The technology has potential to provide quick and painless urinalysis for incontinent, elderly or infant patients.
Researchers at the University of Cincinnati are searching for the ideal exosuit design to reduce muscle load and prevent work-related musculoskeletal disorders. The study found that commercially available exosuits have limitations, with the Auxivo LiftSuit being stiff and uncomfortable during prolonged wear.
A new study validates the Canadian Syncope Risk Score as a reliable tool to identify patients at low risk for serious outcomes after 30 days, potentially reducing hospitalization rates. The score showed better performance than another validated score, but its clinical utility remains uncertain and warrants further research.
A new study found that three experimental Alzheimer's blood tests perform differently in Black individuals compared to white individuals, putting Black patients at risk of misdiagnosis and inappropriate medical care. The PrecivityAD test was equally effective across racial groups.
A doctor's visit from the future describes patient care in 2042, where diagnosis and treatment are personalized based on individual biological abnormalities. Researchers believe this approach could lead to more effective treatments for neurodegenerative disorders.
A new type of sampler using felt nibs from pens has been developed for collecting biological samples, offering longer storage life and ease of use. This technology has potential applications in space exploration and medical settings.
Researchers have developed a rapid COVID-19 test that uses molecularly imprinted polymer nanoparticles to detect SARS-CoV-2. The new test is more sensitive and works under extreme conditions than existing antibody-based tests, with preliminary results indicating it can detect a 6,000-times lower amount of the virus.
Researchers at Rutgers University propose a new approach to COVID-19 vaccine testing by combining conventional and challenge trials. This parallel approach, called Combining Conventional and Challenge trials (CCC), aims to facilitate faster and more accurate vaccine assessment and more effective pandemic response.
Researchers found that fighters who rapidly cut weight before bouts are more likely to suffer concussions or be misdiagnosed with head trauma. The study also discovered that the practice may not offer a competitive advantage and can leave fighters at a disadvantage more often than not.
Recent studies published in the Journal of Pharmaceutical Analysis have found applications of nanotechnology in medicine, drug research, and environmental protection. Researchers developed nanodots made of carbon using natural polysaccharides from mushrooms to detect chromium, and created nanozymes that could be used to detect drug con...