Articles tagged with Medical Tests
A Lehigh University professor has received $4 million in NIH grants to develop an AI-driven approach for precision mental health diagnosis and care. The project aims to identify biomarkers in the brain that can predict treatment response and personalize interventions for patients with depression and other mental disorders.
Researchers have developed a saliva collection system using lollipops that can capture bacteria from adults and remain shelf-stable for up to a year. Participants preferred the lollipop-based method over conventional collection systems, finding it less gag-inducing and more sanitary.
A new study reveals that nearly 40% of teen girls and young women have low iron levels, with higher rates among Black, Latina, low-income, or low-BMI individuals. The study recommends considering routine screening for iron levels in adolescents and young women to prevent life-limiting symptoms associated with iron-deficiency anemia.
Researchers found that restricting methionine intake via a low-methionine diet or oral administration of recombinant methioninase-producing E. coli reversed old-age-induced obesity in mice, leading to significant weight loss after just 14 days.
Researchers found that when a patient's congestive heart failure is mentioned during the initial check-in process, emergency room physicians are less likely to test for pulmonary embolism, potentially leading to delays in diagnosis. This anchoring bias can delay crucial testing and diagnosis of deadly medical conditions.
A University of Arizona professor has developed a 1-minute frailty testing platform to screen patients for frailty, enabling better care decisions. The platform measures motor, heart, and brain function using wearable sensors, providing an accurate diagnosis.
A study published in Annals of the American Thoracic Society found that race-neutral lung function interpretation could lead to more equitable access to lung transplants for Black patients. The researchers analyzed data from over 8,900 patients and discovered that a race-specific approach resulted in lower Lung Allocation Scores (LAS) ...
The researchers have demonstrated significant improvements for chip-based sensing devices that can detect or analyze substances across widely varying concentrations. They developed signal-processing techniques that enable seamless fluorescence detection of a mixture of nanobeads in concentrations across eight orders of magnitude.
A new device using dielectrophoresis selectively isolates Mycobacterium tuberculosis from sputum samples, providing a purified sample for molecular confirmation. The technology has shown promising results in detecting TB in underserved areas, with high concordance rates compared to culture diagnosis.
Rice University engineers developed a low-cost, point-of-care DNA test for HPV infections that can be used to screen for cervical cancer. The test, which requires just two pieces of equipment and delivers results in 45 minutes, has the potential to make cervical cancer screening more accessible in low- and middle-income countries.
Recent studies in the New Journal of Pharmaceutical Analysis feature novel diagnostic tools, RNA sequencing-based workflows, and mechanical property evaluations to enhance cancer and cardiovascular disease treatment outcomes. These innovations aim to improve the therapeutic effect of drugs and promote personalized medicine.
A Brazilian study compared treatments for idiopathic and refractory tinnitus, finding low-level laser therapy with photobiomodulation to be the most effective. The treatment had lasting therapeutic effects when combined with other therapies.
The USPSTF concludes that the current evidence is insufficient to assess the balance of benefits and harms of screening for anxiety disorders in older adults. Anxiety disorders are commonly occurring mental health conditions often unrecognized in primary care settings, leading to substantial delays in treatment initiation.
A recent study unveiled the doorway that SARS-CoV2 uses to slip inside cells undetected. Cholesterol clusters make up this door, allowing the virus to infect human cells. Regular exercise and mechanical force can disrupt these cholesterol aggregates, reducing the risk of infection.
Researchers found commercially available antifungal tests perform inadequately in identifying Candida auris susceptibility to various treatments. The findings highlight the need for improved testing methods to aid clinical decisions and improve patient care.
Peripheral artery disease (PAD) disproportionately affects Black adults, with higher rates of diagnosis and poor outcomes. Low-cost, routine testing can help reduce disparities and health care costs by identifying individuals at risk and providing preventive measures.
Chronic exposure to low levels of contaminant metals through household items, air, water, soil, and food increases the risk of cardiovascular disease. Monitoring environmental metal levels and testing for exposure are key steps to implement public health initiatives.
A University of Ottawa team has discovered a vital role for the VGLUT3 transporter protein in modulating the development of Huntington's disease. The study shows that blocking glutamate release through this protein can lead to an amelioration of the disease progression, offering new hope for potential treatment approaches.
A Eurac Research-led team tested drones' effectiveness in locating and providing first aid to injured people in difficult-to-access terrain. The study found that drone-assisted rescue operations reduced treatment time by 30% and saved critical minutes in cases of traumatic injuries and cardiac arrest.
A new study found that race-neutral reference equations can incorrectly identify respiratory impairments in Black individuals, leading to increased severity of identified conditions. The findings highlight the need for more accurate and inclusive pulmonary function test interpretation methods.
Researchers found that a combination of amyloid burden and blood markers of abnormal astrocyte activation can predict Alzheimer's disease progression. Testing for these biomarkers may help identify patients at risk, enabling earlier diagnosis and treatment.
Researchers found variability in IgA levels between blood and gut samples, suggesting IgA regulates commensal microbes to prevent immune dysregulation. Patients with normal fecal IgA were less likely to develop symptoms, while those deficient in both blood and fecal IgA showed elevated inflammatory cytokines.
A new analysis of over 10,000 adults reveals that physically active individuals have higher pain tolerance than sedentary ones. The study suggests that boosting physical activity could be a potential strategy for easing chronic pain.
A wearable device developed by Georgia Tech researchers detects obstructive sleep apnea and quality of sleep at home, addressing comfort, time, access, and cost issues. The patch has an 88.5% accuracy rate for sleep apnea detection and can predict the likelihood of developing the condition.
A rapid diagnostic test for sepsis has been validated in the emergency department, providing a reliable aid for early detection. The study found that the test improved sepsis triage and reduced time to diagnosis, leading to better patient outcomes.
Researchers propose separating EHR time outside scheduled appointments as 'after-hours' to improve accuracy and replicability of EHR workload studies. Refining vendor-defined measures will facilitate comparative research among health systems, illuminating the link between EHR workload and provider burnout.
A new method called 5PSeq has been developed to quickly assess bacterial response to antibiotics, with potential implications for treating antibiotic-resistant infections. The method measures mRNA translation and decay, revealing how bacteria interact with environmental factors and stressors.
A study of nearly 67,200 postmenopausal women found that the Fracture Risk Assessment Tool (FRAX) was inadequate for identifying osteoporotic fracture risk across racial/ethnic categories. However, the Osteoporosis Self-Assessment Tool (OST) was excellent for detecting osteoporosis within each category.
Researchers at São Paulo State University developed a new technique for analyzing male fertility potential using flow cytometry, which can detect and analyze chemical and physical characteristics of human sperm simultaneously. This technique has the potential to enhance the accuracy of fertility prediction and treatment.
A new study by researchers from the University of Edinburgh found that double testing with a faecal immunochemical test (FIT) increases the detection rate of bowel cancer to nearly 100%. This approach ensures more cases are identified and can potentially reduce demand for colonoscopies.
Researchers at MIT have designed new 'smart' sutures that can deliver drugs or sense inflammation after surgery. The bioderived sutures use hydrogel coatings to detect early warning signs of complications, such as Crohn's disease, and can also release therapeutic molecules to promote healing.
Researchers have developed an automated calling algorithm for determining B and T cell clonality from NGS data with greater sensitivity than previous models. The new model increases the assay's sensitivity in detecting clonality, allowing for more accurate diagnosis and monitoring of lymphoproliferative disorders.
A novel fluorescence probe successfully quantifies trace components like hydrogen sulfide in whole blood, overcoming autofluorescence interference. The probe uses a borodipyrromethene-based dye that quenches the interfering light, allowing for accurate measurements.
A study of 14,400 febrile infants found that SARS-CoV-2 infection reduces the prevalence of urinary tract infections, bacteremia, and bacterial meningitis, particularly among infants aged 29 to 60 days. These findings suggest alternative management strategies for certain febrile infants testing positive for SARS-CoV-2.
A new AI algorithm named CoDE-ACS can quickly and accurately rule out heart attacks in patients, improving diagnosis and reducing hospital admissions. The tool has the potential to reduce misdiagnosis and inequalities in diagnosis across different populations.
A team led by Professor Timo Betz has developed a 3D cell culture chamber to grow muscle and other tissue using high-resolution microscopy. The new system will enable scientists to mimic the mechanical situations that confront various living tissues in serious conditions, reducing animal testing and costs.
A new study reveals a shared molecular response to nanoparticles, linking immune activation and particulate matter exposure. The findings propose a solution to the 'one-chemical-one-signature' problem in chemical safety assessment.
A multi-institutional phase 3 clinical trial found that a cancer stem cell test can accurately decide more effective treatments and lead to increased survival for patients with recurrent glioblastoma. ChemoID, a CLIA-accredited diagnostic test, was used to select chemotherapy treatments, resulting in significantly lower risk of death a...
A study published in PLOS ONE found that long-term exposure to fine particulate matter (PM2.5) air pollution is associated with an increase in hospital procedures for heart failure patients, including stress tests and prothrombin time tests. This suggests that high PM2.5 exposure may lead to increased cardiovascular morbidity and promp...
Researchers found that psilocybin facilitates fear extinction in mice by promoting hippocampal neuroplasticity. The study's results improve our understanding of the restorative effects of psilocybin on the brain and may lead to alternative treatments for PTSD.
Researchers developed glass filters to capture tumor cells from blood samples, enabling more efficient culture of these cells. The optimized filter design enhances the accuracy of cancer detection, allowing for earlier treatment and improved patient health.
A recent study assessed an AI chatbot's ability to answer ophthalmic questions, finding it answered approximately half correctly. The results suggest that while AI has medical advances, the current chatbot is not yet ready for substantial assistance in board certification preparation.
A study found ChatGPT answered less than half of the test questions correctly, scoring 46% initially and 56% after a month. The AI tool performed well on general medicine questions but struggled with ophthalmology subspecialties.
Researchers at MIT developed an ingestible capsule that delivers electrical stimulation to the stomach, boosting ghrelin production and potentially alleviating nausea and appetite loss. The device uses a grooved surface to create a drier environment for electrodes to contact stomach tissue.
GPMeta accelerates pathogen detection in metagenomic sequencing (mNGS) tests, achieving higher accuracy while significantly reducing processing time. The approach uses a succinct hash index scheme and multi-GPU support to handle massive data sets.
The new NIH Toolbox V3 iPad App allows doctors to quickly screen patients for cognitive functions such as memory, emotion, and vision. The app covers a wide range of tests spanning four domains, enabling clinicians to assess patients in under 30 minutes.
A new study published in PLOS ONE found that a heart injury biomarker, cardiac troponin, can identify low-risk COVID-19 patients who have normal troponin levels, potentially helping doctors send them home safely. The study suggests that elevated troponin levels may not accurately predict individual patient risk of death.
Researchers found that women with prediabetes after pregnancy had aberrations in their early pregnancy blood serum metabolomic profile, including higher concentrations of small HDL particles. These metabolic changes predicted prediabetes at postpartum and were associated with increased risk of type 2 diabetes.
A simple memory test predicted the risk of developing cognitive impairment in people with no thinking and memory problems. The study found that those at stages one and two were twice as likely to develop cognitive impairment, while those at stages three and four were three times as likely.
Researchers found that bad medical news can make patients more likely to choose brand name drugs over generics, resulting in increased healthcare expenditures. The study suggests that simply reminding patients of the equivalency of generic drugs via text message could improve their decision-making.
A retrospective study found that elevated CA 19-9 and CEA levels were associated with worsened outcomes in duodenal adenocarcinoma patients. The study, which included 68 patients, suggests that these tumor markers may show promise as prognostic tools for this rare malignancy.
A team of researchers developed a simple and portable test system to detect salmonella in food, eliminating the need for expensive analytical equipment. The assay uses a nucleic acid probe that is cleaved by an RNase enzyme specific to salmonella, resulting in a clear red spot on an absorbent pad indicating contamination.
A €10M Horizon Europe grant will support the development of a clinical decision support tool using artificial intelligence to select the best treatment for each individual patient with high blood pressure. The project aims to improve patient care and reduce avoidable consequences such as heart attacks, strokes, and kidney disease.
Experts recommend managing SARS-CoV-2 like other endemic respiratory viruses using Standard and Transmission-based Precautions. They also suggest reconsidering pandemic-era strategies such as asymptomatic testing and contact tracing in the endemic era.
American Indian, Black, and Hispanic students reported lower parental education levels, financial barriers, and discouragement from pre-health advisers compared to white students. These disparities may deter underrepresented groups from pursuing a career in medicine.
Researchers have developed an organoid-based method to assess the potency of glycoconjugate vaccines, speeding up the vaccine development process. This method uses tissue from a single mouse to create hundreds of immune organoids, allowing for the assessment of dozens or even hundreds of vaccine candidates in just four days.
Hokkaido University researchers evaluate a material used to build model arteries, finding it suitable for medical education and surgical practice. The study also highlights the potential for improved assessment of 3D printing technology in creating highly accurate models of individual patient's artery structure.
A new study from Uppsala University found that patients can experience twice as much improvement in blood pressure by changing medication as they would by doubling their current dose. The study, involving 280 patients and testing four different blood pressure-lowering drugs, challenges the conventional strategy of recommending equally ...
A study of over 43,000 adults found that parathyroidectomy has no estimated effect on long-term kidney function in older adults. However, early treatment may preserve kidney function in patients younger than 60 years old.
The new guidelines, developed by 22 experts across three continents, provide a comprehensive approach to diagnosing and treating catatonia. The recommendations include the use of benzodiazepines and electroconvulsive therapy, with attention to special requirements for certain groups.