Articles tagged with Medical Tests
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.
Researchers find that patients with destructive nasal lesions may be suffering from cocaine-induced granulomatosis with polyangiitis, a condition often misdiagnosed. Cocaine use can trigger production of antibodies leading to symptoms similar to idiopathic Granulomatosis With Polyangiitis.
WVU engineers developed a new electrode cuff called MouseFlex to test electric current treatments, overcoming previous challenges with stability and durability. The device can withstand high electrical stimulation and may benefit patients with conditions like rheumatoid arthritis and drug-resistant epilepsy.
Researchers have shown lorlatinib to be safe and effective in treating high-risk neuroblastoma with ALK gene mutations. The targeted therapy has led to a major amendment in a phase 3 clinical trial, offering new hope for patients with this often lethal cancer.
Researchers at the University of Washington developed GlucoScreen, a new system that leverages smartphone capacitive touch sensing to measure blood glucose levels. The system's accuracy is comparable to standard glucometer testing, making it potentially less costly and more accessible for widespread screening.
The HOPE Note Toolkit is being adopted by primary care clinics in the US to improve whole person integrative health visits. The toolkit assesses patients' physical, environmental, lifestyle, social, emotional, mental, and spiritual experiences with healthcare teams.
A meta-analysis of commercially available STI tests found vaginal swabs to be more sensitive than urine specimens in detecting chlamydia, gonorrhea, and trichomonas. The study supports the CDC's recommendation for vaginal swab testing as the optimal sample type for women.
Research finds that comprehensive care services delivered by Canadian family physicians have decreased over 20 years, with no difference in decline between early-career and experienced physicians. This suggests that factors other than training or interest are driving the decrease.
Researchers found significant decreases in the levels of KRAS, RHOA, RAC1, and CDC42 after PCAI treatment, implicating their role in cancer progression and metastasis. These findings support the potential of PCAIs as potent agents for developing new anticancer therapeutics.
A large observational study found that most patients do not medically benefit from consultation with a medical specialist before their surgery. The study of 359,618 patients in Ontario suggested that preoperative medical consultations were an independent risk factor for death 30 days after surgery.
A study published in the Journal of Infection found that mNGS was significantly more effective at detecting bloodstream infections than conventional microbiological tests (CMTs), identifying 187 infection cases compared to CMTs' 81. Viral infections were the most common type, with CMV being the leading cause.
Researchers at Tel Aviv University found that dedicated hyperbaric oxygen therapy is more effective in reducing pain and healing patients with fibromyalgia caused by traumatic brain injury. The treatment resulted in significant improvements in 2 out of 5 patients, including improved pain threshold tests and quality of life indicators.
A survey of over 43,000 patient portal users found that 96% prefer immediate online access to clinical test results. Most respondents reported seeking additional information after reviewing their test results and valued the convenience of receiving results through a patient portal.
The new medicine has shown promising results in a Phase 1 clinical trial, with 70% of patients stable after six weeks and one patient remaining stable for over two years. Developed by NTNU researcher Marit Otterlei, ATX-101 targets cancer cells' stress regulation system, leaving healthy cells unaffected.
Young children with autism spectrum disorder are less likely to undergo vision screening than their peers, despite a high risk of developing serious eye disorders. A recent study found that only 36.5% of children with ASD had completed vision screenings at well visits, compared to 59.5% for children without ASD.
A recent survey found that patients overwhelmingly support receiving test results immediately, even if their provider has not yet reviewed them. Most respondents (90%) preferred receiving results through the patient portal as soon as they were available, and nearly all (96%) indicated a preference for timely release.
Cases of Candida auris, a highly contagious fungal infection, rose drastically between 2019 and 2021, with an increase in echinocandin-resistant cases. The findings emphasize the need for improved detection and infection control practices to prevent the spread of C auris.
A new study published in Journal of Clinical Microbiology shows that using multiple PCR panels can identify more pathogens, notably diarrhea-causing E. coli and enteric viruses, and do so more rapidly than a conventional workup. This results in lower healthcare costs, reduced hospitalizations, and decreased antibiotic use.
A new study highlights the need for testing patients who arrive at hospital intoxicated by drink or drunks to understand how they become intoxicated and reduce feelings of self-blame. The review authors argue that this lack of clarity can exacerbate psychological distress, leading to feelings of guilt, shame, and fear.
UVA researchers discovered a metabolic pathway that can modulate COVID-19 inflammation, lung recovery, and host metabolic health. They suggest a potentially viable therapeutic agent that may be combined with existing anti-viral agents to treat severe COVID-19 in patients with underlying metabolic disease.
Researchers at Linköping University found that C-reactive protein has a beneficial function in systemic lupus erythematosus, reducing interferon activity and promoting milder disease. The study's findings suggest new treatment strategies to reduce immune complexes and elevated interferon levels.
Researchers found that clinicians ordered more frequent newborn drug tests for Black newborns after recreational cannabis legalization, highlighting concerns about structural racism and disproportionate testing. The study calls for further exploration of how institutional racism affects healthcare outcomes for Black families.
A West Virginia University study found that patients treated for motor vehicle collision injuries during the COVID-19 pandemic used more drugs, including cannabinoids, opioids, and stimulants. The study suggests public health interventions may be needed to curb this behavior in rural areas.
Researchers at Indiana University School of Medicine have developed a blood test for anxiety that can help identify biomarkers associated with the disorder. The test has been validated by three independent cohorts and shows promise in matching patients to effective treatments, such as medications and nutraceuticals.
The HALP score, a novel immune-nutritional marker, has been linked to prognostic ability in different cancer types. It integrates indicators of immune status and nutritional status, showing promise as a cost-effective biomarker.
Researchers explore cellular senescence's complex relationship with growth stimulation and cell cycle arrest, revealing potential anti-aging drug targets. Understanding these mechanisms is crucial for developing new treatments for age-related diseases.
A new review paper from Mayo Clinic outlines how obesity impacts common tests used to diagnose heart disease, such as ECG, CT scan, MRI, and echocardiogram. The study highlights the need for alternative approaches to prevent weight gain in patients with heart disease.
Researchers found that breath analysis may be a valuable tool for COVID-19 diagnosis, but emerging variants pose challenges to overcome. The study's results warrant further evaluation to improve the use of breath analysis in patient care.
A study by University of Essex found that negative emotions such as anxiety and anger can fuel success, but are linked to poor health and lack of strategic thinking. Positive perceptions and feelings of control, on the other hand, lead to enjoyment of learning and desire for success.
A new method developed by Flatiron Institute researchers can diagnose COVID-19 with near-perfect accuracy, even in asymptomatic patients. The technique monitors the body's molecular response to a viral attack and measures mRNA molecules to identify an immune response.
Researchers re-examine molecular characteristics of WNT-subgroup patients to identify optimal treatment strategies for low-risk medulloblastoma. Key findings suggest that therapy-related late toxicity remains a concern, despite comparable survival rates between children and adolescents with this disease subtype.
The American Gastroenterological Association recommends integrating non-invasive biomarkers for patients with ulcerative colitis in remission or with current symptoms. Biomarkers provide accurate insights into disease activity, offering a cheaper and more convenient option for monitoring.
Researchers developed a testing model to understand cognitive challenges of superior semicircular canal dehiscence (SSCD), a rare condition causing sound-induced dizziness and hearing abnormalities. The Mongolian gerbil model shows promise for accelerating recovery with reversible diagnostic findings characteristic of patients with SSCD.
HemaChrome, a digital health startup, has won phase 1 of the National Institutes of Health's RADx Tech for Maternal Health Challenge. The company uses smartphone technology to noninvasively measure blood hemoglobin levels, making them accessible and affordable for nearly everyone.
Researchers developed a quick clinical test predicting which people with neck pain benefit from epidural steroid injections, a common but costly and risky treatment option. The new variation on physical exam identified patients with nonorganic signs who are more likely to respond to the injections, guiding best use of treatment.
A nationwide study found that the CAPTURE screening tool identified roughly half of primary care patients with chronic obstructive pulmonary disorder (COPD) who could benefit from available treatments. However, the tool also flagged a large group of patients with breathing symptoms and abnormalities that didn't rise to the level of COPD.
A study found that cystatin C-based eGFR was strongly correlated with creatinine-based eGFR and that 27% of patients would be classified as having a more severe chronic kidney stage based on cystatin C test results. The use of cystatin C can lead to changes in CKD staging, which can impact clinical management.
A new study finds that plasma D-dimer levels have comparable diagnostic accuracy to other commonly used tests for identifying periprosthetic joint infection (PJI), and sometimes outperform the standard tests. The test showed higher sensitivity and specificity in detecting PJI, particularly in certain patient subgroups.
Researchers at the University of Missouri have designed a soft and breathable material that can be worn on the skin without causing discomfort. The material, made from liquid-metal elastomer composite, has integrated antibacterial and antiviral properties to prevent the formation of harmful pathogens.