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.
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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.
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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 new study led by the CIBEREHD group at Hospital Germans Trias demonstrates a significant improvement in monitoring and treatment of Crohn's disease patients. By analyzing calprotectin levels, patients can avoid unnecessary repeat colonoscopies.
Researchers have found that Continuous Glucose Monitors (CGMs) can overestimate blood sugar levels in healthy adults by up to 400%, potentially causing unnecessary worry and dietary restrictions. The study suggests that CGMs may not be a valid method for determining the glycaemic index of foods.
A cross-sectional study of social media posts about popular medical tests found most posts were misleading or failed to mention important harms, including overdiagnosis. The data suggest a pressing need for regulation of misleading medical information on social media platforms.
A new blood test may help identify and monitor Amyotrophic Lateral Sclerosis (ALS), according to a recent study published in Neurology. The test uses neurofilament light chain proteins to accurately diagnose ALS, with an accuracy rate of over 80%.
The project aims to improve the quality of life for patients with end-stage heart failure and their caregivers through a nurse-led intervention. The study will also track hospitalization rates, patient well-being, and gain a better understanding of end-of-life care.
A new study published in The Lancet Digital Health found that accelerated ageing in specific organs can predict diseases across the entire body. Organ ageing rates were linked to increased risks of various diseases, including cardiovascular disease, respiratory infections, and dementia.
A cohort study found that telemedicine adoption was associated with modestly lower use of 7 out of 20 examined low-value tests, while having no effect on other tests. The results suggest potential benefits of telemedicine and mitigate concerns about increased spending.
A large-scale study has found huge variation in GP practices on prostate cancer testing, with one in five patients diagnosed without symptoms. The study suggests a need for more consistent approach to testing people without symptoms to redress the imbalance.
Researchers developed reprogrammed vascular endothelial cells that provide strong support for islets, allowing them to survive and reverse diabetes long-term. The study showed that mice transplanted with islet cells plus R-VECs regained normal blood glucose control after 20 weeks.
Only about 1 in 5 older Americans have undergone cognitive screening in the past year, highlighting a persistent barrier to diagnosis and treatment. Researchers emphasize the importance of early conversations about cognitive health to prevent progression and improve outcomes.
A study analyzing 12 sunglasses models found that only one met international safety limits for UV radiation exposure. The lenses lose their ability to block UV radiation over time, increasing the risk of eye damage. To minimize this risk, scientists suggest adopting ICNIRP limits as standard practice.
Researchers at UCF aim to create mobile robotic assistants that offer easier control and a better robot-human interface. The project, supported by a $600,000 grant, will focus on testing and user feedback, with initial trials conducted with students and adults with upper body paralysis.
Amplified Sciences has received CLIA certification for its PanCystPro test, which helps risk stratify patients with pancreatic cystic lesions. The company plans to commercialize the test through an early access program and a clinical utility trial in 2025.
A new study published in Annals of Neurology found that lower concentrations of vitamin B12 in healthy, older adults led to signs of neurological and cognitive deficiency. These individuals showed slower processing speeds, brain lesions, and delayed responses to visual stimuli compared to those with higher B12 levels.
A new study at the University of Gothenburg found that a software robot can detect side effects faster than physicians during amiodarone treatment for cardiac arrhythmia. The robot also recommends appropriate intervals between lab tests, aligning with standard practices and reducing unnecessary testing.
A new blood test has shown promise in improving the accuracy of Alzheimer's Disease diagnosis, with results comparable to established CSF biomarkers. The study found that measuring plasma p-tau217 was over 90% accurate, potentially replacing invasive diagnostic methods for up to half of patients.
Researchers created a Spanish-language Android app called Impacto to support Hispanic smokers in quitting. The app's pilot test shows promising results, decreasing daily smoking rates and improving cessation rates among participants.
A blood test has been found to identify personalized dietary triggers for patients with irritable bowel syndrome, resulting in improved abdominal pain relief. The study showed that 59.6% of participants who removed trigger foods experienced significant reduction in abdominal pain compared to 42.2% in the control group.
Researchers discovered a link between neuroactive steroids in pregnant women's blood and the risk of developing postpartum depression. Measuring these molecules via a blood test could enable doctors to provide treatment sooner. The study may lead to a preventive treatment using existing prescription drugs.
Researchers at HSE Centre for Language and Brain create Russian-language adaptation of Rey Auditory Verbal Learning Test (RAVLT), suitable for testing adults of all ages. The adapted test has been incorporated into the RAVLT World tablet application, providing automated administration and scoring.
New cyanine-carborane salts show promise in eradicating metastatic breast cancer tumors with minimal side effects. The therapy targets specific proteins in cancer cells, allowing for precise killing of diseased cells while sparing healthy tissue.
A new study led by researchers at Mount Sinai Hospital found that children with high-threshold peanut allergy can be treated with a safe and effective approach, allowing them to tolerate larger doses of peanut butter. The treatment involves gradually increasing doses over 18 months, resulting in sustained unresponsiveness to peanuts fo...
Researchers developed a biomarker test that can detect small amounts of tau protein and its misfolded forms in cerebrospinal fluid, correlating with cognitive decline severity. The test identifies early stages of tau tangle formation up to a decade before brain scans, opening doors for early-stage disease diagnosis and intervention.
A new study at U-M Health shows that hospitals can focus the use of preoperative tests on high-risk patients, while safely reducing unnecessary testing in others. The result is less wasted money and resources, as well as less time wasted for patients and clinical staff.
The KeyScope is a low-cost, robust laparoscope priced at approximately $1,000, making it accessible in low- and middle-income countries. It offers high-resolution images, color accuracy, and low distortion, comparable to standard laparoscopes.
A new study led by UCL researchers has found that the GLP-1 drug exenatide has no positive impact on movement, symptoms, or brain imaging in people with Parkinson's disease. The trial involved 194 participants and ran for 96 weeks, with no benefits shown in any of these areas.
A new study by UC San Francisco found a marked increase in advanced prostate cancer rates across California since doctors stopped routine screening, with death rates plateauing in most regions. The study emphasizes the need for screening that can identify fatal tumors without raising false alarms.
ApoB100 protein structure revealed for the first time, allowing for more precise testing and treatment of high cholesterol and heart disease. The discovery may lead to new drugs targeting LDL particles, reducing side effects of statin drugs.
A large study on preterm birth found that a maternal biomarker test can reduce neonatal morbidities by 20% and NICU admissions by 20%. The test identified high-risk pregnant individuals, who received targeted treatment and showed significant improvements in neonatal outcomes.
A study from the University of Surrey reveals that delays in cancer diagnosis for pregnant women are often due to misattributed symptoms as normal pregnancy changes. Women experiencing more specific symptoms, such as breast lumps, are more likely to receive quicker diagnoses and referrals.
A new trial will test whether taking HMB can improve patients' physical function and quality of life. The BOOST study aims to recruit 124 patients with cirrhosis and measure its effects on liver disease, mental wellbeing, and physical function over 24 weeks.
Researchers tracked cfDNA levels before, during, and after colorectal cancer surgery, revealing significant increases associated with age, comorbidities, and surgical manipulation. The study suggests that cfDNA could serve as a non-invasive biomarker to monitor patient outcomes and evaluate surgical effectiveness.
A new study published in Nature Medicine shows a promising approach to preventing metastases in breast cancer patients. Researchers found that administering digoxin reduced circulating tumour cell clusters by an average of 2.2 cells, significantly decreasing the risk of metastasis.
A new microdosing approach using low doses of buprenorphine has been tested on patients with opioid use disorder, but most found it ineffective. The study, which included 126 participants, showed that only 34% were able to work up to a full dose of buprenorphine.
Researchers developed guidelines to compare lab experiments, molecular simulations, and AI for drug delivery testing. The new framework aims to improve the accuracy of permeability testing and accelerate the development of life-saving drugs.
UVA researchers analyzed 300 blood serum samples from babies who died from SIDS and identified specific biological indicators linked to their deaths. The study found 35 predictors of SIDS, including ornithine and a lipid metabolite critical for brain and lung health.
A study of 242 couples undergoing assisted reproductive treatment found that men experienced higher levels of work-family conflict, while women were more affected by stress. The researchers used online questionnaires to assess the couples' emotional well-being and job performance.
This study investigated the feasibility of electroacupuncture-assisted ribavirin dosing in patients with long COVID, using Voll's electropuncture diagnostics. The results demonstrated that EAV can identify meridians with decreased electrodermal activity at acupuncture points, followed by medicament testing to measure daily doses.
Researchers at Duke University developed an acoustofluidic integrated molecular diagnostics chip, AIMDx, that uses tiny vortexes to detect dangerous viruses. The vortexes trap cells, bacteria, and larger bioparticles, purifying samples for biomedical tests.
A large UK trial found that adding procalcitonin (PCT) to routine care did not reduce IV antibiotic use in hospitalized children. The study, part of the BATCH trial, enrolled nearly 2,000 children and tested PCT's effectiveness in guiding treatment decisions.
Researchers at UVA have developed computer models to target specific bacteria in specific parts of the body, reducing the chance of antibiotic resistance. This approach could lead to more effective treatments and reduce the need for broad-spectrum antibiotics.
The USPSTF concludes that screening for osteoporosis can help prevent fractures in older women. However, the effectiveness of screening for men is unclear due to insufficient evidence.
Preschool wheeze affects 30-40% of children under six, causing significant morbidity and healthcare costs. The UK has the second-highest prevalence in Europe, with inconsistent terminologies used by doctors contributing to diagnostic challenges.
A new position paper from the International Osteoporosis Foundation and International Federation of Clinical Chemistry proposes a unified nomenclature for bone status indices to enhance diagnostic consistency and clarity. The guidelines offer a comprehensive framework to unify terminology and improve comparability across studies.
The BiliSG app uses machine learning to analyze skin color and predict bilirubin levels in newborns, offering a convenient alternative to traditional testing methods. With 100% sensitivity, the app has shown promising results in monitoring neonatal jaundice and reducing the risk of brain damage.
A Mount Sinai-led team has developed an automated machine learning method that analyzes video recordings of clinical sleep tests to detect REM sleep behavior disorder (RBD) with nearly 92% accuracy. RBD is a sleep condition that causes abnormal movements during REM sleep and is often an early sign of Parkinson's disease or dementia.
A new study finds that pulse oximeters are infrequently tested for accuracy on diverse skin pigmentation groups, contradicting the FDA's 2013 recommendation. The analysis of FDA clearance documents reveals only a quarter of summaries since 2016 include language suggesting compliance with the guideline.
A groundbreaking UK study found that using procalcitonin (PCT) to guide treatment decisions did not reduce antibiotic duration in hospitalized children. The PCT test was safe but costlier than standard methods, and healthcare teams faced challenges integrating it into their decision-making processes.
The ISS National Lab is soliciting flight concepts for technology advancement using the space-based environment of the International Space Station. The lab aims to develop and test products and processes with potential economic impact through this $650,000 funding opportunity.
Researchers at the University of Pittsburgh developed a non-invasive nasal swab test that diagnoses specific asthma subtype, or endotype, in children. The test, published in JAMA, shows promise for improving asthma treatment outcomes and paving the way for better treatments for lesser-studied asthma types.
A new study found that emergency department physicians differ in their likelihood of hospitalizing patients, with those who admit more patients being discharged sooner but not less likely to die. The study suggests that differences in physician decision-making drive these variations, rather than patient health.
Researchers at Texas A&M University have developed a skin-like material that can mimic human skin textures and elasticity, simulating conditions for bacterial growth. The Ecoflex-based skin replicas can be used to test wearable sensors and improve catheter designs, potentially reducing the risk of catheter-related bloodstream infections.
A study led by Henry J. Pownall and Khurram Nasir found a strong link between the amount of free cholesterol in HDL and its accumulation in macrophages, which can contribute to heart disease. The researchers aim to develop new diagnostics and treatments for managing heart disease using HDL-free cholesterol as a biomarker.
A new set of internationally-agreed recommendations aims to reduce potential bias in medical AI technologies. The STANDING Together initiative recommends improving dataset diversity, inclusivity, and generalisability to ensure safe and effective use of AI for everyone. These guidelines are now available open access.
Researchers at Osaka Metropolitan University developed a world-first system to automatically recommend optimal rehabilitation programs for stroke patients based on their motor paralysis degree. This system uses data from Teijin Pharma Ltd.'s ReoGo-J robot, providing tailored care even for staff without robotic experience.
Scientists at the University of Plymouth are creating a humanised meningioma model to study interactions between immune cells and tumour cells, enabling the development of effective therapies for NF2-related schwannomatosis. The model will be made available worldwide to test new treatments and reduce clinical trial delays.
Researchers from the University of Granada and the Public Health Agency of Canada identified the most important physical fitness tests for children and adolescents, with a degree of scientific agreement exceeding 85%. The top tests include the 20-meter shuttle run test, handgrip strength test, standing long jump test, and body mass index.
A UK study published in Diabetic Medicine found that over half of pregnant women with gestational diabetes were undiagnosed due to slow NHS blood test processing. Faster blood processing identified additional cases, leading to improved health outcomes for mothers and babies.
A new blood test developed by RMIT University researchers could help personalize cancer treatments, making them safer and more effective. The test assesses how well different nanomedicines target cancer cells in the blood of leukemia patients, allowing for more tailored therapies.
A new study finds that a blood test using phosphatidylethanol (PEth) can detect liver disease caused by excessive drinking, offering a more reliable alternative to self-reported measures. The test has shown strong correlation with Fibrosis 4, an indicator of liver risk, and could be included in routine blood tests.