Articles tagged with Respiratory Disorders
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A study led by BCNatal and UPF found that growth-restricted fetuses have differences in lung vascular resistance, which can be normalized with extra oxygen. The research uses artificial intelligence techniques to analyze fetal blood flow and predicts the development of respiratory health problems later in life.
A new study found that patients living in the most deprived areas have more severe symptoms and a poorer survival rate than those living in wealthier areas. Additionally, patients farthest from a pulmonary fibrosis centre also had shorter life expectancy.
Researchers discovered that IL-6 signaling in CD4-positive T cells promotes pulmonary hypertension development and progression. Treating mice with IL-6 inhibitors improved symptoms and decreased damage to the lungs and heart.
Researchers found that iron is a regulator of energy usage by immune cells in the lungs, which can help treat asthma and other allergic diseases. Blocking or limiting iron uptake may reduce asthma severity.
Researchers developed a non-invasive imaging technique to visualize cardiac micro-vessels in high resolution, enabling better understanding of cardiovascular diseases. The study improves diagnosis and treatment of conditions like microvascular coronary disease and cardiomyopathies.
A study published in Environmental Research found a significant association between black carbon particles and cardiac fibrosis, a marker of heart disease. The risk is higher for hypertensive individuals, with smokers facing the highest risks among non-hypertensive individuals.
Researchers at Weill Cornell Medicine have discovered a way to boost protective effects of sphingolipids in blood vessels, slowing the development and progression of coronary artery disease. The study suggests revising current views on ceramides' role in the disease, instead finding that their levels remain stable in endothelial cells.
The American Thoracic Society has recognized 15 individuals with the 2024 Respiratory Health Awards for their outstanding contributions to lung disease prevention, diagnosis, and treatment. These awards acknowledge leadership in research, education, or clinical care, as well as exemplary professionalism and humanism.
A new study published in Thorax reveals that increased physical activity and higher body mass index can help recover early-life lung function deficits, leading to normal values in adolescence. The study analyzed data from over 1,100 children and adolescents aged 4-18 years, identifying four trajectories of lung function growth.
Researchers at Michigan Medicine discovered a pathway that reverses idiopathic pulmonary fibrosis (IPF), a common type of lung scarring. The study found that inhibiting the molecular brake MKP1 is essential for spontaneous resolution of fibrosis, offering new hope for patients with IPF.
Researchers have discovered a direct link between the C122Y mutation in the Kir2.1 potassium channel and life-threatening arrhythmias in Andersen-Tawil syndrome, which affects fewer than 1 in a million people. The study highlights the importance of understanding the molecular mechanisms underlying cardiac arrhythmias.
Researchers found RSV was less common but similar in severity to COVID-19 and influenza among unvaccinated patients. Among vaccinated patients, RSV disease was more severe than both COVID-19 and influenza for serious outcomes.
Researchers mapped expression quantitative trait loci (eQTL) across 38 cell types in the lung, revealing cell-type-specific and disease-associated genetic control of gene regulation. This understanding will aid in developing therapeutics targeting PF mechanisms.
A new complex-carbohydrate biomolecule has been identified as crucial for Bordetella bacteria to colonize the nose and transmit to a new host. The discovery opens up possibilities for creating a new drug or vaccine that interferes with this glycan, potentially eliminating whooping cough transmission.
A new study published in Stroke found that exposure to artificial, bright outdoor nighttime light may increase the risk of cerebrovascular disease and stroke. The research, which analyzed data from over 28,000 adults living in China, suggests that higher levels of outdoor light pollution at night may be a risk factor for these conditions.
A systematic review by Gogichadze et al. suggests that active pulmonary TB screening programs targeting vulnerable populations in low-TB-incidence countries are cost-effective. The authors conclude that screening immigrants and other high-risk groups is a viable approach to detecting latent infections.
Scientists have discovered six proteins that can accurately diagnose tuberculosis (TB). The breakthrough study paves the way for a simple blood test to detect the bacteria, which could prevent millions of cases annually. TB is the world's deadliest infectious disease, killing over one million people each year.
A new study found that a viral infection can cause cognitive impairments by damaging the blood-brain barrier, leading to memory loss and learning difficulties. Researchers developed a gene therapy that stimulated the Wnt/beta-catenin pathway to prevent this damage and improve cognitive function in mice infected with SARS-CoV-2.
Researchers demonstrate efficacy of airborne ultrasound technology to detect low-amplitude movements produced by vocalizations at the chest surface. The technology allows for contactless mapping of surface vibrations, offering a better window on respiratory health and enabling better diagnoses of respiratory diseases.
Researchers at UVA Health discovered a potential blood test to predict patients with severe COVID-19 who are likely to recover well and those at risk of long-term lung problems. The study found that patients with late-resolving symptoms had fewer immune cells in their blood, correlating with symptom severity.
A new study found that common respiratory viruses such as colds and RSV play a larger role in triggering intussusception than previously thought. Hospital admissions for the condition decreased significantly during COVID-19 lockdowns, with a notable drop in cases among children under two.
Tulane University researchers have developed a CRISPR-based platform for diagnosing nontuberculous mycobacteria (NTM) infections, allowing for accurate results in as little as two hours. The blood test can identify over 93% of patients with an NTM infection, enabling rapid treatment plans and reducing the risk of complications.
A study published in PNAS reveals that increased concentration of lysolipid can cause severe impacts on lung inflation, leading to respiratory distress. The research identifies frequency dependence and proposes a way to tailor treatment processes for each patient.
A UMass Amherst study found that government vaccine recommendations can benefit drugmakers like Pfizer, while also increasing vaccine uptake among seniors. However, the study suggests that direct-to-consumer advertising did not lead to a significant reduction in infection and mortality rates from pneumococcal disease.
A global rise in Legionnaires' disease since 2000 has puzzled experts. The study suggests that a decline in sulfur dioxide air pollution may be contributing to the increase, as airborne water droplets carrying Legionella bacteria become more acidic and inhospitable to the bacteria.
Researchers used generative AI to design a lead molecule for treating fibrosis, a biological process associated with aging. The compound, INS018_055, demonstrated significant efficacy in preclinical studies and showed promising results in clinical trials, accelerating drug discovery and providing new therapeutic options.
A large-scale study has found a significant link between smoking and DNA methylation, with two new epigenetic markers identified that differ by race or ethnicity. The research could lead to better ways to predict smoking-related disease risk and improve early detection and treatment.
A study by Texas A&M University found that only 9% of older Americans had been vaccinated against RSV prior to this fall and winter. The study also revealed that men were more likely to be vaccinated than women, and those who were vaccinated had higher levels of concern about the disease.
Researchers found that Indigenous communities in California were exposed to 1.7 times more wildfire smoke than expected, with the average annual exposure being a critical factor in understanding long-term health effects. The study proposes new metrics to measure cumulative exposure and duration of smoke exposure.
A new study published in the American Journal of Respiratory and Critical Care Medicine found that childhood tonsillectomy is not associated with an increased risk of obesity in adulthood. The research followed 132 children who underwent tonsillectomy for obstructive sleep apnea and found no link to weight gain in adulthood.
A study by UC San Francisco researchers found that daily cannabis users had a 25% increased risk of heart attack and a 42% increased risk of stroke compared to non-users. The study also found significant cardiovascular risks associated with cannabis use, including coronary heart disease and the combination of heart attack and stroke.
The Almodóvar lab is studying the link between HIV and pulmonary hypertension, a condition that increases pressure in lung arteries. By examining the interactions between different cell types and using a humanized mouse model, researchers hope to propose novel therapies to prevent lung diseases in people with HIV.
Researchers at Texas A&M University have developed a coating that bolsters the safety of fresh produce and provides enhanced protection against bacteria and fungi. The coating combines wax with nano-encapsulated cinnamon-bark essential oil in protein carriers to enhance antibacterial properties.
A large-scale analysis found that people eating healthy, plant-based diets were 19% less likely to suffer from obstructive sleep apnea (OSA), while those on unhealthy diets were at a 22% higher risk. The study suggests that diet quality plays a crucial role in managing OSA risk.
Researchers have identified macrophages, immune cells that gobble up foreign substances, in the pleural cavity around the lungs. These cells play a crucial role in reducing inflammation and disease during flu infections.
Researchers identify a promising prognostic biomarker for lung cancer using circulating tumor DNA-based minimal residual disease detection. The study found that this method can effectively guide treatment decisions and predict recurrence risk, potentially modifying the lung cancer treatment paradigm.
The new guideline aims to improve diagnosis and treatment of cryptococcosis, a fatal fungal infection that affects mainly the lungs and brain. It provides practical guidance for medical staff to recognize and manage invasive fungal infections, with the goal of improving patient survival rates.
A new study by University of Toronto researchers found that quitting smoking significantly reduces the risk of death from vascular disease and cancer. Former smokers can expect to live up to six years longer after quitting, with benefits seen within just three years.
A recent analysis found a strong link between air pollution and mortality from cardiovascular diseases worldwide. In low-income countries, household air pollution caused significantly more stroke-related deaths than outdoor air pollution.
A new study found that one bacterial species, Streptococcus mitis, dominates in IPF patients not treated with antibiotics and is associated with better lung function and survival. This protective relationship does not apply to patients who received antibiotics.
A new study by Boston University School of Public Health found that many excess mortality rates from chronic illnesses were driven by COVID-19 infections, contradicting previous claims. The study estimated 1.2 million excess natural-cause deaths in US counties during the pandemic, with 163,000 uncounted COVID-19 deaths.
The University of Texas at Arlington is advancing its understanding of deadly disease tuberculosis (TB) with a new research project led by associate professor Kayunta Johnson-Winters. The project aims to understand why certain types of Mycobacterium tuberculosis bacteria do not respond to treatments.
Research from the University of Bath found that people who view stressful situations as threats are more likely to experience health problems, including depression and physical illnesses. In contrast, those who see challenges may report better health and wellbeing, with a suppressed immune system being a key factor.
A study published in Global Transitions found that the COVID-19 lockdown led to a sustained reduction in hospital visits for respiratory diseases in Wuhan, China. The decrease in visits remained significant even after the lockdown was lifted.
Researchers at the University of Cincinnati have identified a molecule that plays a role in asthma and could be targeted for treatment in the future. The study found that blocking this molecule could reduce airway constriction without affecting other key features of the disease.
Researchers explore the use of traditional Chinese medicine (TCM) compounds for treating non-alcoholic fatty liver disease (NAFLD) and improving sensitivity to radiation therapy for lung cancer. TCM compounds, such as oridonin and ginsenoside Rg5, have demonstrated anti-inflammatory effects and radiosensitizing properties.
A new study finds that infants born full-term to mothers infected with COVID-19 during pregnancy are three times more likely to develop respiratory distress compared to uninfected infants. Vaccination prior to infection was found to be protective, reducing the risk by half.
Researchers report a case of a patient with EGFR L858R mutant non-small cell lung cancer (NSCLC) who experienced durable disease improvement after empirical treatment with osimertinib. The 'Lazarus effect' refers to the phenomenon where cancer appears to recur after seeming to be in remission.
A new database visualizes longitudinal viral respiratory infection data from a NYC cohort, offering insights into host response and illness severity. The Virome Data Explorer provides a publicly-accessible resource for researchers to analyze patterns and changes in infections, symptoms, and gene activity.
Researchers developed a disease model using induced pluripotent stem cells from children with ABCA3 mutations, revealing key differences between diseased and healthy cells. The study opens doors for therapeutic discovery and highlights the utility of pluripotent stem cells for disease modeling.
A special Journal of Intensive Medicine issue explores the latest research findings on ICU infections, prevention strategies, and innovative approaches to sepsis management. The studies shed light on key challenges and advancements in critical care, highlighting the need for personalized treatment methods.
Researchers discuss clonal hematopoiesis, a condition where cells harbor somatic mutations, and its association with aging, solid tumors, and treatment outcomes. Emerging evidence suggests that CH may play a role in cancer development and survival.
Researchers found a shared genetic trait that predicts a higher risk of small lung vessel disease and its severe form, pulmonary arterial hypertension. This discovery could lead to personalized treatments for patients with limited oxygen response.
Researchers found that people with noncommunicable diseases experienced greater psychological distress, increased alcohol consumption, and disrupted medical care. Those with NCDs were more likely to report anxiety, depression, and difficulty accessing non-COVID medical care.
A new study reveals that Respiratory Syncytial Virus (RSV) can infect nerve cells, trigger inflammation, and cause nerve damage. RSV was previously thought to only infect the respiratory tract, but this finding suggests a potential link between the virus and neurological symptoms in children.
The American Thoracic Society will host its 2024 International Conference in San Diego, highlighting recent discoveries in respiratory science and patient care. Media registration is available until May 19-22.
Researchers found that higher levels of omega-3 fatty acids in the blood plasma were associated with better lung function and longer survival without needing a lung transplant. This was consistent regardless of smoking history or cardiovascular disease.
A recent study published in EBioMedicine found that yellow fever virus causes myocardial fibrosis, cardiomyocyte hypertrophy, and vascular endothelium alterations, leading to cardiac conduction system disruption. The research provides new insights into the pathogenesis of YF-associated heart injury.
Researchers have discovered that immune cells play a crucial role in directing the growth of human lung tissue during development, revolutionizing our understanding of early lung development. The findings also suggest that early immune disturbances could manifest as pediatric lung disease.
A new study finds that most US parents intend to vaccinate their infants and young children against COVID-19, influenza, and respiratory syncytial virus (RSV), with 40% planning to vaccinate against COVID-19. The study also highlights the growing concern of vaccine hesitancy and its potential impact on public health.