Articles tagged with Virus Testing
A recent study published at the ATS 2010 International Conference found that HIV-infected patients who are falsely diagnosed with tuberculosis have higher mortality rates compared to those who receive correct diagnoses. The study evaluated 600 HIV-infected patients treated at Mulago Hospital in Kampala, Uganda, and discovered that fals...
A new study by Stanford researchers highlights the need for standardized criteria in diagnosing food allergies due to differing definitions and inconsistent treatment approaches. This could lead to misdiagnosis and unnecessary anxiety for patients with food intolerance, while also potentially overdiagnosing food allergies.
Researchers at Emory University have successfully developed a clinical test for XMRV, a retrovirus linked to prostate cancer, using neutralizing antibody assay technology. The test has been confirmed by two independent labs and technologies, providing confidence in its accuracy.
A new guideline recommends treatments to help people with Parkinson's disease manage sleep disorders, constipation and sexual problems. The guideline suggests medications like sildenafil citrate and isosmotic macrogol to improve erectile dysfunction and constipation.
Researchers at Duke University have developed a new gene-expression test that can detect Candida fungal infections in patients. The test measures how a patient's genes respond to the infection and has shown promising results in mice, indicating it could be an early detector of life-threatening candidemia.
Researchers developed a simple and inexpensive device to measure reaction time, which showed slower reaction times after concussions. The test was found to be effective in determining readiness to return to play for Division I college athletes.
A new study published in The Lancet Oncology suggests that HPV DNA testing is more effective than conventional cytology screening in preventing invasive cervical cancer. The study found that HPV-based screening is more effective in detecting precancerous lesions and reducing the incidence of invasive cervical cancer, particularly in de...
A study of critically ill H1N1 children found that serious complications developed quickly and unpredictably, with great variations from patient to patient. The virus behaves variably in different patients, highlighting the need for rapid screening tests and preemptive antiviral medications.
A new study by Carolyn Slupsky reveals a distinct pattern of metabolites in urine samples from patients with Streptococcus pneumoniae-induced pneumonia, enabling faster and more accurate diagnosis. This breakthrough paves the way for early treatment initiation, potentially saving lives.
A Yale University team developed a method to rapidly manipulate and sort cells in blood using magnetizable liquids. This technique could dramatically improve the speed and sensitivity of tests for cancer biomarkers, blood disorders, viruses, and other diseases.
Researchers found that unacculturated Hispanics had fewer HIV tests and were more likely to test positive. Interventions must address cultural differences to reduce the growing rate of HIV/AIDS among Hispanics.
A study published in PLoS One highlights the poor quality of diagnostic tests for TB, malaria, and HIV commercial tests, citing moderate to low quality studies with poorly reported methodologies. The researchers emphasize the need for improved test assessment to prevent incorrect diagnoses and adverse consequences.
The study utilizes a viral-based gene transfer system to make Nerve Growth Factor (NGF), which helps maintain nerve cell survival in the brain. Participants will receive CERE-110 via neurosurgery or placebo surgery and undergo thorough medical examinations and cognitive testing.
Researchers at Rice University are developing a rapid saliva test for oral cancer that can be performed by a dentist in under 30 minutes. The test uses a novel microchip, known as a lab-on-a-chip, to detect specific biomarkers in cells, allowing for early diagnosis and improved patient outcomes.
A new swine flu test developed by TGen can quickly inform doctors about the strain of flu and whether it may be resistant to oseltamivir, a primary anti-viral drug. The test has been shown to be effective in detecting resistance to Tamiflu in H1N1 virus strains.
A Dutch study of nearly 90,000 women found that liquid-based cytology is not superior to the conventional Pap test for detecting cervical cancer precursors or cancer. The study's findings provide strong evidence that liquid-based cytology performs similarly to the traditional Pap smear in a well-organized screening program.
A recent survey reveals that most healthcare professionals do not have access to reliable tests to diagnose primary syphilis. The study's authors emphasize the need for a rapid point-of-care test to accurately detect early-stage syphilis, which is critical for preventing transmission.
A study published in Archives of Otolaryngology–Head & Neck Surgery found that glucocorticoid medication and Ginkgo biloba significantly improved the sense of smell in individuals with previous olfactory loss due to upper respiratory infections. The treatment was effective regardless of whether it was used alone or in combination.
Researchers found promising results for rapid viral diagnosis tests, reducing use of antibiotics and other blood tests in children with respiratory symptoms. Larger trials are needed to confirm the finding and evaluate cost-effectiveness.
Vaccination against HPV, combined with national screening programmes, could lead to the eradication of cervical cancer in countries that implement such measures. HPV screening is more effective than Pap smear tests and can detect the virus in smears rather than relying on visual examination.
Cancer experts are developing a tool to work out the percentage risk a woman has of developing cervical cancer. The tool uses cervical precancer, defined as histological cervical intraepithelial neoplasia grade 3 (CIN3) or more severe, as a surrogate for cervical cancer.
UQ researchers developed a rapid molecular assay to detect swine flu in under two weeks, diagnosing the first Australian case. The tests have been implemented at several hospitals and used to detect cases in the Northern Territory.
Researchers review prophylactic treatment with neuraminidase inhibitors for seasonal flu prevention, finding them effective in preventing symptomatic but not asymptomatic flu. Improved hand hygiene and face masks implemented within 36 hours of symptom onset also show promise in reducing household transmission of pandemic flu.
Researchers developed a 'Multiplex cell Contamination Test' to identify 37 different cell contaminations in a single run, detecting viruses and mycoplasmas with high sensitivity and specificity. The test has been tested in over 700 samples and found frequent contamination rates in some laboratories.
A new technique detects HIV early and monitors its development without refrigeration, making it more accessible in sub-Saharan Africa. The study found a strong correlation between viral load values in plasma and dried blood spots, paving the way for a new testing approach.
Researchers found that HIV-positive patients who underwent susceptibility testing had lower mortality rates. Internet-based self-management programs improved asthma control and lung function in adult patients, but not quality of life or asthma attacks. Restricting artificial trans fat in restaurants led to healthier fatty acid profiles...
Researchers have developed a new ultra-sensitive detector that can detect respiratory syncytial virus (RSV) at lower levels than current standard assays. The device uses DNA hairpins attached to gold filaments, taking only minutes to produce results and suitable for use in pediatrician's offices.
A study published in The Lancet Oncology found that combining HPV testing with routine liquid-based cytology (LBC) screening in the UK did not increase the detection of cervical cancer. However, HPV testing detected cases of precancerous cervical cells in the first round of screening, but this effect was not sustained over two rounds.
A new diagnostic test using RT-PCR technology has been developed to detect both seasonal influenza A virus and the emerging H1N1 swine-derived influenza A virus in human clinical samples. The test is fast, sensitive, and cost-effective, allowing for rapid identification of infected individuals and expedited antiviral therapy.
A recent article in Medical Decision Making suggests that the FDA is ignoring critical information on home HIV tests, which may lead to underestimating their effectiveness. The test's manufacturer is unlikely to produce a cheaper version due to retail pricing concerns.
The first field test of Rice University's 'nanorust' technology, a low-cost method for removing arsenic from drinking water, will begin later this year in Guanajuato, Mexico. The technology uses tiny iron oxide particles to naturally bind with arsenic and can be used in sand filters to treat groundwater.
Rice University scientists developed a computerized method to test flu vaccine efficacy against multiple strains, outperforming existing tests. The new approach may help create more effective vaccines for both seasonal and bird flu, improving global preparedness.
A Special Report in The Lancet Oncology explores the complexities of sharing genetic information with close relatives to prevent breast cancer. Experts weigh the pros and cons of adjusting the law, considering patient confidentiality, personal privacy, and the potential benefits of early interventions.
Research in Cameroon reveals that 88.3% of women are willing to accept HIV testing during labor, leading to a higher rate of detected infections compared to previously estimated rates. The study recommends an opt-out approach for HIV testing during labor to increase the number of mother-infant pairs receiving appropriate treatment.
A new HIV rapid test is being developed with a potential cost of $2, aiming to measure CD4+ T-cells in a person's blood without electronics or mechanical parts. The test would enable patients to find out if they need antiretroviral therapy within minutes.
Researchers have created a new test to better predict whether a given vaccine candidate will protect or harm patients with dengue fever. The test aims to address the deadly complications associated with the disease, which affects 100 million people annually and claims 22,000 lives yearly.
A novel blood test for hepatitis C virus has been developed by researchers at Bonn University and the Bernhard-Nocht Institute for Tropical Medicine. The test is significantly cheaper than existing commercial tests, while maintaining equal sensitivity, and can be used to monitor blood banks in poorer countries.
A new urine test can detect polyomavirus nephropathy, affecting up to 9% of kidney transplant recipients, allowing for early diagnosis and treatment. The noninvasive test measures viral aggregates in the urine, offering a faster and more affordable alternative to invasive kidney biopsies.
A new study suggests that combining HPV DNA testing with cytology and repeat HPV testing can increase cervical cancer screening detection rates without a substantial increase in false-positive tests. This approach resulted in a 30% higher detection rate compared to cytology alone, while doubling the number of required tests.
Researchers developed an approach that predicted treatment response by analyzing genome-wide amino-acid sequence variation in HCV-infected patients. The data has implications for developing a predictive test to identify individual responses to treatment, which could help target new antiviral drugs and reduce treatment failures.
A Forsyth Institute researcher is working on a new TB diagnostic test that could save up to 625,000 lives annually. The test aims to detect the TB bacterium's molecules in patient urine, providing a non-invasive and quick diagnosis.
Arbor Vita Corporation presented new data on its rapid, point-of-care prototype HPV test with a high positive predictive value for cervical cancer and pre-cancer detection. The test detects the E6 oncoprotein produced by human papillomavirus (HPV), which is a diagnostic marker of high positive predictive value.
A recent study investigated the possible association between chronic pancreatitis (CP) and liver cirrhosis (LC) in alcoholic patients. The research found an inverse correlation between pancreatic and liver function tests, suggesting that these diseases evolve differently and have distinct etiopathogeny.
Researchers have developed a prototype card-swipe device that can test for dozens of diseases simultaneously, detecting as few as 800 microscopic particles. The device uses giant magnetoresistance technology, similar to hard drive reads, and could lead to fast and affordable diagnosis in medical settings.
A study at Henry Ford Hospital found that rapid HIV testing in the Emergency Department increased diagnoses by 56%, particularly among African American patients. The test provided results in just 20 minutes and helped identify high-risk individuals, who were more likely to modify their behavior and reduce transmission.
A team at the University of Leeds has developed a fast and affordable biosensor technology to detect biomarkers for various diseases. This technology can potentially replace current testing methods that take hours to complete and require specialized equipment.
A new rapid screening test for HPV has shown a 90% success rate in detecting precancerous cervical disease in rural China. The careHPV test is designed to be simple, affordable, and easy to perform with minimal training, offering hope for cervical cancer prevention in low-resource settings.
The careHPV test provides substantially more accurate front-line screening than current methods in developing countries. It has a sensitivity of 90% and can be conducted by workers with minimal healthcare training, making it accessible to under-served regions.
A new rapid screening test for HPV has shown a 90% success rate in detecting precancerous cells in women in Shanxi province, eastern China. The careHPV test is designed to be simple, affordable and easy to use, making it an effective primary screening method for cervical-cancer prevention in rural and low-resource settings.
The University of Virginia lab has created a hand-held device that can conduct DNA tests from a pin-prick-size droplet of blood in under an hour, reducing wait times and costs. This technology has far-reaching implications for personalized medicine, crime scene investigation, and agricultural biotechnology.
A new blood test uses immune system signals to detect early signs of lung cancer, signaling the disease before symptoms appear. The test has a sensitivity rate of 51% and specificity rate of 18%, indicating its potential for improving early detection of lung cancer.
Researchers found that HPV testing with P16INK4A expression increases sensitivity for detecting high-grade precancerous cervical lesions compared to conventional cytology. This improvement comes without increasing referral to colposcopy. The study suggests using triage by P16INK4A immunostaining in HPV-positive women.
A new study by Karolinska Institutet found that immigrant women from different countries have varying risks of developing cervical cancer. Women from east Africa had a significantly lower risk, while those from Norway and Denmark had a higher risk.
A new test for West Nile virus in horses has been developed, which could be modified for use on humans and wildlife. The test is highly effective at diagnosing infections and provides accurate results, making it useful for tracking the ecology and epidemiology of the disease.
The USPSTF recommends against routine prostate cancer screening for men over 75 due to insufficient evidence. In contrast, the task force found that chronic illness is common among uninsured Americans, affecting an estimated 11.4 million adults with conditions like cardiovascular disease and hypertension.
A study found that sensitive HIV testing can detect low-level drug-resistant strains in patients who have not received anti-HIV drugs. In some cases, these resistant strains were present before treatment began and contributed to treatment failure. Further research is needed to confirm these findings.
Research at Queen Mary University of London found that HPV testing reduces cervical abnormality risk by up to 90% compared to smear testing. The study's results suggest that HPV testing may offer longer-term protection against cervical abnormalities, potentially allowing for extended screening intervals.
A new saliva-based HIV test has been developed by an MUHC team, providing rapid detection in approximately 20 minutes. The test uses oral mucosal transudate and has been shown to accurately identify HIV-positive individuals, particularly in vulnerable populations.
A program in rural India found that round-the-clock rapid HIV testing in labor wards reduced the risk of mother-to-child transmission. The study demonstrated the feasibility of such a program, which led to reduced morbidity and improved health outcomes for mothers and their children.
A study in the Ivory Coast found that involving male partners in prenatal screening and HIV prevention increased acceptance of testing among women. Psychosocial support during key moments improved handling of the infection, while male partner involvement led to a significant increase in women agreeing to testing.