Articles tagged with Cohort Studies
A new study analyzing 8 cohorts of COVID-19 patients found that antibody responses in previously infected individuals were relatively stable, providing protection from reinfection unless the new infection was the Omicron variant. Vaccination also boosted protection, with rapid immune responses observed even after a single vaccine dose.
Researchers found that high ultra-processed food intake was associated with higher mortality rates, regardless of dietary type. Moderate red meat consumption also linked to a 8% increase in mortality risk compared to no red meat consumption.
A recent cohort study found that previous cardiovascular conditions, including heart surgery and heart failure, were associated with increased COVID-19 severity in US pediatric patients. The study highlights the importance of pre-existing medical conditions in determining COVID-19 outcomes in children.
A study found that high blood adenosine levels at 15 days of life correlated with white matter lesions and brain injury in very low birth weight premature infants. Adenosine may play a role in oligodendrocyte maturation and neuronal development, suggesting its potential as a biomarker for complications of prematurity.
Researchers discovered a link between traumatic brain injuries and changes in the gut microbiome, suggesting a potential diagnostic tool for concussions. The study found two bacterial species that dropped significantly after concussions, indicating a correlation with traumatic brain injury-linked proteins in the blood.
Researchers from the University of Minnesota Medical School found a link between diet type and hydrogen sulfide production in the gut. An animal-based diet was shown to increase toxic gas production, while fiber-containing foods were beneficial to gut health.
A recent study presented at the 2022 ARRS Annual Meeting found that COVID-19 infection significantly impacted lung cancer screening in diverse inner-city populations. The research revealed that approximately 9% of participants developed COVID-19 during the pandemic, with mortality rates reaching 6.9%.
Research at Mount Sinai Hospital found a significant difference in the prevalence of occult hypoxemia among Black, Hispanic, and White patients undergoing anesthesia. The study showed that Black and Hispanic patients experienced higher rates of unrecognized low oxygen levels despite normal pulse oximeter values.
A study led by Richard Isaacson found that individualized, multi-domain interventions improved cognition and reduced Alzheimer's risk in both men and women. Women demonstrated greater improvements in certain risk scores and biomarkers compared to men.
A new study from Boston Medical Center found that COVID-19 infection during pregnancy is associated with elevated inflammatory markers in infants, potentially impacting growth and brain development. Researchers emphasize the importance of COVID-19 vaccinations for pregnant women to avoid long-term adverse consequences for their infant.
A large cohort study of almost 125,000 patients found that diabetic foot ulcer outcomes are associated with race, ethnicity, and rurality. Higher rates were observed among rural and Black patients, highlighting the need for targeted interventions to address health disparities.
A new study found that following a Mediterranean-style diet can lower the risk of preeclampsia by at least 20% in pregnant women. The research surveyed over 8,000 women and found that racial differences in rates of preeclampsia were more related to socioeconomic factors than genetic or biological ones.
A new study found a clear link between brisk walking and longer telomere length, indicating slower biological aging. Researchers estimate that a lifetime of brisk walking could lead to the equivalent of 16 years younger biological age by midlife.
A new study by researchers at the University of Birmingham has identified two distinct brain structure patterns associated with poor outcomes in patients with recent onset psychosis and depression. The study used MRI scans to analyze grey matter volume and found that lower volumes were linked to poorer outcomes, while higher volumes we...
A cohort study found an increased risk of serous retinal detachment, retinal vascular occlusion, and ischemic optic neuropathy among men taking phosphodiesterase type 5 inhibitors. The study suggests a potential link between erectile dysfunction medication use and vision impairment.
A California study found that adults living with handgun owners had twice the homicide rates compared to those without, with most victims being women. Survivors of nonfatal gunshot injuries also experienced significant healthcare costs and worsening mental health.
A study by researchers from the Socio-Economic Panel and University of Münster found that millionaires are more risk-tolerant, emotionally stable, and open. They also tend to be extroverted and conscientious compared to the general population.
A study identifies new biomarkers that predict the presence of subclinical atherosclerosis, providing a non-invasive way to detect cardiovascular disease. The research team analyzed blood plasma samples and validated three proteins as biomarkers, improving the prediction of cardiovascular risk.
A large cohort study found that babies born to men who took metformin during sperm development were at increased risk for genital defects in boys. Diabetes control affects sperm quality, so men should discuss alternative treatments with their doctors before conception. The findings suggest a need for further study on treatment of prosp...
A study published in International Journal of Geriatric Psychiatry found that antidepressants were associated with a lower risk of suicide among residents aged 75+, who had a significantly increased risk if taking sleep medication or having a history of self-harm. The research highlights the need for early recognition and quality care ...
A new study by University of Cincinnati researchers analyzed outcome data from a large cohort of patients and found correlations between different risk factors, including age, hemorrhage size, location, and cognitive impairment, which were associated with poor outcomes. The results also showed that Black and Hispanic populations were m...
Researchers found that early aspirin treatment helped reduce mortality in patients with moderate COVID-19, particularly for the elderly and those with comorbidities. The study included over 112,000 patients hospitalized with moderate disease severity.
Two papers from the Liggins Institute have been published in JAMA, providing important new data on managing babies at risk of low blood sugar levels. The research found that regular screening and treatment can help achieve similar outcomes for children affected by hypoglycaemia compared to those not exposed.
A booster dose of the Pfizer/BioNTech vaccine significantly increases antibodies against SARS-CoV-2, reversing a drop in immunity after two doses. In subjects given CoronaVac or Oxford-AstraZeneca vaccines, the booster raised immunity by a factor of 25 and 7, respectively.
Researchers at CNIC discover that bone marrow activation is an early event in the development of atherosclerosis, leading to inflammation and plaque formation. The study identifies metabolic syndrome as a key trigger for this process.
A retrospective cohort study found that shoulder injuries occurred in fewer than 1 in 10,000 patients who received intramuscular vaccinations administered in the deltoid muscle. Researchers also identified risk factors for developing shoulder conditions, including advanced age, female sex, and receiving pneumococcal conjugate vaccine.
A new study found that severe COVID-19 illness is associated with increased risk of long-term adverse mental health effects. Non-hospitalized patients with a SARS-CoV-2 infection were more likely to experience depressive symptoms up to 16 months after diagnosis, with those bedridden for seven days or more having higher rates of depress...
A panel study in Beijing found a consistent, robust increase in fasting blood glucose levels after exposure to ultrafine particles (UFPs). The research suggests potential biological pathways, including pro-opiomelanocortin processing and regulation of hypoxia-inducible factor 1 A function.
Research found that individuals who have previously taken cholesterol- or blood pressure-lowering medications before a heart attack were less likely to adhere to these medications afterwards. Despite the proven benefits, fewer than one-third of patients continued taking their prescribed tablets for over a year after hospitalization.
Researchers discovered specific ceramides in the blood are associated with unfavorable levels of diabetes-related compounds, linking unhealthy diets to increased risk. Ceramide profiling may enable more precise dietary approaches for preventing cardiometabolic diseases.
A study found that specific bacterial groups from the Lachnospiraceae family were associated with an increased risk of developing type 2 diabetes. The research used machine learning techniques and analyzed fecal samples from a large Finnish population cohort, identifying microbial biomarkers that predicted disease incidence.
A UMass Amherst researcher has received a $3 million grant to study the complex interplay of risk factors for autism, including early life exposure to environmental pollutants and genetic susceptibility. The study aims to better understand how multiple pollutants and the folate system are associated with autistic traits.
A retrospective cohort study of patients with atrial fibrillation and diabetes found that non-vitamin K antagonist oral anticoagulants (NOAC) were associated with a lower risk of diabetes complications and mortality than warfarin. The study suggests that NOAC may be a better therapeutic choice for this patient population.
Researchers compared two treatment methods for wide-neck aneurysms: microsurgery with clips and coils/stents deployed via catheters. Microsurgery was found to be longer-lasting, but endovascular therapy showed superior clinical outcomes in unruptured aneurysms.
A study found that risks of preterm birth, infant sepsis, and other adverse outcomes associated with CIN-3 treatment have decreased over time. Pregnancies after CIN-3 treatment should be managed as 'high risk' to reduce these risks.
A UMass Amherst study found associations between oral contraceptive use and certain tubal ligation methods with lower levels of antimüllerian hormone (AMH), a biomarker for ovarian aging. This may suggest an increased risk for early menopause in women who have used oral contraceptives or undergone specific types of tubal ligation.
A study by University of Otago researchers has found that young Autistic people in Aotearoa have significantly lower rates of criminal justice system interactions compared to those without Autism. However, if charged, Autistic young people were more likely to face serious and violent offence charges.
A team of scientists from Pusan National University conducted an updated meta-analysis to clarify the relationship between alcohol consumption and unprovoked seizures and epilepsy. They found that overall, alcohol drinkers were at a significantly higher risk of developing epilepsy compared to non-drinkers.
A large Norwegian cohort study found a weak association between maternal consumption of sweetened carbonated beverages during pregnancy and increased ADHD symptoms in offspring at 8 years of age. The study suggests that even small reductions in SCB intake may be important for reducing children's ADHD symptoms at the population level.
The WV Clinical and Translational Science Institute is leading a national study on post-acute sequelae of COVID-19 (PASC) among adults. The study, funded by the National Institutes of Health, aims to better understand the long-term effects of COVID-19 and develop effective treatments for this disabling complication.
Sophie Paczesny's research aims to validate biomarker panels that help doctors predict chronic GVHD risk and adjust immune suppression treatments accordingly. The study uses machine learning algorithms to analyze stored plasma and blood cell samples from over 1,300 BMT recipients.
A new study of UK Biobank adults found significantly increased rates of nearsightedness, particularly in children. The study suggests changing environmental factors and gene-environment interactions may be to blame for the rising trend.
A state-wide Massachusetts infection control program, implemented in 360 nursing homes, reduced COVID-19 infections among vulnerable residents, including those with dementia. Cohorting residents and proper adherence to infection control guidelines were key factors in this reduction.
A recent study published in The Lancet Respiratory Medicine found that COVID-19 patients in ICUs have a high risk of developing invasive fungal secondary infections. In fact, the MYCOVID study revealed that 22% of intubated and mechanically ventilated COVID-19 patients in ICUs had proven or probable invasive pulmonary aspergillosis and...
A new study led by Boston Medical Center researchers shows that Black individuals who were incarcerated have a statistically significant 65% increase in mortality rates compared to non-Hispanic non-Black individuals. This finding highlights the long-term impacts of incarceration on health, particularly among marginalized communities.
A new Rutgers study found that the use of hair products like hair dyes, bleach, relaxers, and mousse is associated with lower levels of sex steroid hormones in pregnant women. Disruptions to these hormones may contribute to adverse maternal and pregnancy outcomes. Socioeconomic variables also influence personal care product use among p...
A study by University of New South Wales has found that one in five future thyroid cancers in Australia is attributable to current levels of overweight and obesity. The prevalence of obesity has doubled in the last two decades, with 75% of Australian men and 60% of women being overweight or obese.
A large-scale study found that regular physical activity significantly reduces the risk of developing pneumonia and dying from it. The research, led by the University of Bristol, analyzed data from over 1 million participants and showed a strong association between exercise and reduced risk of pneumonia-related death.
The study evaluated outcomes of minimally invasive esophagectomy compared to open esophagectomy in 6000 ESCC patients over 10 years. MIE was found to be an effective treatment option even for large tumors, expanding its indicated population.
Researchers at UArizona Health Sciences will lead a statewide effort to study the long-term effects of COVID-19, with a focus on identifying risks and developing approaches for treatment and prevention. The study aims to understand the basis of prolonged symptoms and improve recovery outcomes.
A retrospective cohort analysis found that an algorithm-based automated text messaging system saved lives and reduced mortality rates by 68% among patients with COVID-19. The system, called COVID Watch, used text messages to monitor symptoms and escalate patients to healthcare providers for further care.
A new prospective cohort study of 106 patients at Children’s National Hospital found that the second wave of kids with multi-system inflammatory syndrome in children (MIS-C) had more severe illness compared to the first wave. Despite this, both cohorts had similarities in cardiac outcomes and length of stay.
Researchers identified two distinct clusters of patients with Prurigo nodularis: those with increased inflammation and those with a higher likelihood of spinal disease. This study suggests that personalized treatment approaches can be tailored to specific patient profiles.
Researchers used sound processing to examine neural synchrony in comatose patients. They found that higher neural synchrony was predictive of a favorable outcome, with indistinguishable levels from healthy controls. The study also revealed surprising neural complexity, with reduced complexity in survivors compared to non-survivors.
A new Dartmouth-led study found a direct association between the infant microbiome and early childhood behavioral health, with sex-specific differences. The study characterized the species of microbes present in each participant's gut and their functions, establishing that microbiome changes occur before behavioral changes.
New research highlights the importance of social support during pregnancy, finding that women with low levels of emotional or affectionate support are at increased risk of depression and anxiety. The study suggests that screening for social support and providing community-based services may help improve health outcomes.
A five-year study aims to identify hormone responses in a population of Mexican Americans with prediabetes, Type 2 diabetes, and obesity. The research uses genetic data and physiologic testing to guide optimal treatments for diabetes, prediabetes, and related diseases.
The study analyzed data from 8,502 genetically high-risk children and found that half developed type 1 diabetes before age 6, while the other half developed it between ages 6 and 12. The findings suggest a different form of type 1 diabetes emerges in children as they grow older.
A Brazilian study found that children exposed to malaria from birth are more likely to develop anemia by age two. The researchers, led by Dr. Marly Augusto Cardoso, followed 1,539 children and discovered that 12.6% were anemic, with a higher prevalence in rural areas not covered by the study.
A large Swedish cohort study found that obese patients (BMI >35 kg/m2) were twice as likely to experience a prolonged ICU stay or die from COVID-19. The study also showed that obesity is an independent risk factor for severe outcomes, suggesting closer monitoring for individuals with obesity hospitalized for COVID-19.