Articles tagged with Respiration
Researchers found a single gene involved in iron-sulphur clusters crucial for TB bacterium's persistence. The IscS gene helps regulate the SUF operon, preventing hypervirulence and allowing the bacteria to survive harsh lung conditions.
The new intranasal mask, MV@GEL, intercepts viral aerosol particles with up to 93.2% effectiveness, providing broad protection against multiple viral variants. The mask's design uses positively charged hydrogel and cell-derived microsized vesicles featuring viral receptors.
A 12-week beetroot juice supplement reduced systolic blood pressure by 4.5mmHg and increased walking distance by 30 meters in COPD patients. The nitrate-rich supplement improved cardiovascular risk markers, suggesting potential benefits for everyday life and heart disease prevention.
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.
Researchers found that Arctic seals' unique nasal structures allow them to conserve 94% of water during breathing, giving them an evolutionary advantage in the Arctic. The study's findings suggest that similar adaptations could be beneficial for other species in diverse environments.
Research by Hungarian researchers found that flat-faced dogs, like French Bulldogs, sleep more due to increased daytime sleepiness and longer REM sleep phases. Their EEG patterns showed signs of white matter loss and distorted brain function.
A landmark study found that 92% of patients with severe asthma can safely reduce inhaled steroid dose and more than 60% can stop all use, minimizing side effects like osteoporosis, diabetes, and cataracts. The SHAMAL study used biologic therapy benralizumab to control severe asthma without steroids.
A new study from Gladstone Institutes has greatly expanded the scientific body of knowledge about how the body responds to too much oxygen. The research highlights a particular protein, MYBBP1A, that may play a central role in regulating cells' response to hyperoxia.
A Brazilian study found that damage to small blood vessels in the lungs causes severe COVID-19. The researchers observed high prevalence of microscopic blood clots in lung endothelial cells, which led to organ damage and ischemic tissue injury.
Researchers at University of Tsukuba found that hydrogen sulfide production within the respiratory center alters neurotransmissions, disrupting breathing patterns. The study identified variations in this mechanism across different regions, revealing a modulating influence on neural circuits contributing to respiration stability.
Researchers discovered how biological information travels between mothers and babies during pregnancy. Microscopic extracellular vesicles, produced by placental cells, act as a protective mechanism transporting important biological information to emerging neurons.
A study of 170 COVID-19 patients with severe ARDS found that prone positioning compared to supine positioning did not significantly reduce the time to successful weaning from ECMO. The study suggests that other factors may influence ECMO weaning outcomes.
Research at the Radiological Society of North America annual meeting found that marijuana smokers are 12 times more likely to develop centrilobular emphysema compared to non-smokers. Combined marijuana and cigarette smoking increased the risk of breathing difficulties and other serious respiratory symptoms.
A new study found that an AI-aided home stethoscope can efficiently detect asthma exacerbation in patients of all ages, including children under 5 years old. The device records and analyzes respiratory sounds, providing valuable information for parents and caregivers to identify symptoms early on.
A study of 438,000 U.S. adults found that smoking cessation can significantly reduce cardiovascular, cancer, and respiratory mortality rates. Within a decade of quitting, former smokers' risk of cardiovascular death was approximately one-third that of continuing smokers.
Breath-holding spells are common in young children and are harmless, yet many undergo unnecessary diagnostic interventions. A Lund University study proposes guidelines to reduce emergency visits and provide more equitable care for affected children.
In Canadian First Nations houses in remote northern communities, researchers found strikingly high levels of CO2, mold damage, and endotoxins. These findings could explain the high rates of respiratory illness in these areas.
Commercially available NPBI-based air purifiers significantly reduced airborne virus infectivity, eliminating up to 99.98% of COVID-19, flu and RSV viruses in real-world concentrations.
A new study found that vosoritide treatment increases height, facial volume, and foramen magnum size in young children with achondroplasia, reducing sudden infant death syndrome, sleep apnea, and surgery needs. Vosoritide may improve quality of life and potentially save lives by addressing the root cause of the condition.
A new pill-sized device has been developed to monitor vital signs like breathing and heart rate from inside humans. The device, known as the VM Pill, was tested in a clinical trial and showed accurate results in detecting breathing stops and monitoring respiration rates with high accuracy.
Researchers developed an ingestible capsule to measure vital signs from within the GI tract, detecting sleep apnea episodes and breathing rate depression. The device shows promise for early detection of respiratory changes, including those caused by opioids or asthma/COPD.
A systematic review of air filtration systems found little evidence to support their effectiveness in reducing the risk of viral infections. The study analyzed 32 studies and found no strong evidence that air treatment technologies can protect people from catching airborne respiratory or gastrointestinal infections.
A study of 139,000 Canadian children found a substantial decrease in severe respiratory disease hospitalizations and ICU admissions during the first two years of the pandemic compared to pre-pandemic periods. This suggests that public health interventions may be warranted for future evaluations of respiratory illness.
Scientists analyzed body fluids from firefighters after rigorous training to understand the effects of intense physical exercise on the body. They found a decrease in inflammatory signals, which can improve breathing, but also increase vulnerability to viral respiratory infections.
Researchers at Brigham and Women's Hospital analyzed data from over 7,500 patients to discover that suspected bronchiectasis in smokers is associated with a higher risk of mortality. The study suggests that lung imaging can help identify this condition, leading to improved patient care.
A new study by RCSI University of Medicine and Health Sciences found that boosting levels of a deficient protein improves survival rates for people with severe alpha-1 antitrypsin deficiency. The research, which tracked health data from over 600 patients, showed a clear survival benefit from augmentation therapy.
Robust data supports face mask use to reduce SARS-CoV-2 transmission in community settings. The study recommends masks as part of future pandemic responses to respiratory viruses.
A randomized clinical trial of 524 trauma patients found that adding sigh breaths to mechanical ventilation did not increase ventilator-free days. However, prespecified secondary data suggest that sighs are well-tolerated and may improve clinical outcomes in this patient population.
A study of 83 children in 11 child care centers found low SARS-CoV-2 incidence and transmission within the centers, as well as from infected children to households
Researchers from the BMJ Group conducted a UK trial comparing septoplasty to medical management in adults with at least moderate symptoms of a crooked septum. Septoplasty was found to be more effective in improving SNOT-22 scores and quality of life outcomes, suggesting it should be offered to adults with at least moderate symptoms.
A study by UMSOM researchers found that nearly 31% of patients on ventilators in Maryland hospitals harbored Acinetobacter baumannii, while nearly 7% carried Candida auris. The study highlights the need for improved infection control measures to contain the spread of these pathogens, which pose a significant risk to vulnerable patients.
A study found that Acinetobacter baumannii and Candida auris were common among patients receiving mechanical ventilation, particularly in long-term care facilities. These pathogens pose a significant risk to this vulnerable population, highlighting the need for targeted surveillance and prevention efforts.
A study of 132 people found that classical music induces synchronisation in physical responses among concert audience members. Personality traits such as agreeableness and openness are associated with increased likelihood of synchronisation. Synchronisation was observed in movement, heart rate, breathing rate, and skin conductivity.
Researchers have identified a specific area of the amygdala brain region that can cause prolonged loss of breathing after a seizure. This finding offers new insight into the mechanisms underlying Sudden Unexpected Death in Epilepsy (SUDEP), a rare but fatal complication of epilepsy.
A recent study found that black children with asthma are more likely to receive severe treatment, including breathing treatments, but less likely to be transported to the hospital compared to their white peers. The study highlights the need for improved care and health equity in managing pediatric chronic asthma.
A study at the Technical University of Munich found that people with long Covid experience altered blood vessels in the eye, which could be used to diagnose the condition. Persistent inflammatory responses were also linked to symptom severity and chronic inflammation.
A recent study has found that particular combinations of bacteria in day care dust are linked to an increased risk of wheezing in young children. Researchers identified four categories of microbiota, one of which was associated with a higher incidence of wheezing in children under three years old.
Research found alterations in proteins that can affect autophagy, a self-eating process of damaged cells. Healthy newborns showed individual responses to prenatal exposure to air pollution, with some more vulnerable than others. The study aims to understand the impact on breathing problems during infancy and childhood.
A phase 2 study of idrevloride in hypertonic saline has shown significant improvement in lung function for individuals with primary ciliary dyskinesia. The treatment, an epithelial sodium channel blocker, is safe and well-tolerated, offering hope for newly developed treatments for the rare disease.
Researchers have developed an automated breath-by-breath measure to assess the severity of obstructive sleep apnea, predicting cardiovascular disease and mortality. The ventilatory burden tool provides a validated alternative to AHI, offering stable results and risk predictions.
A study of nearly 500,000 participants found that smoking shortens telomere length in white blood cells, a indicator of aging and cell regeneration. The more cigarettes smoked, the stronger the shortening effect, suggesting a link between smoking and accelerated aging.
Researchers at the University of Missouri have identified a way to improve immunological memory produced by T cells in response to influenza infection, potentially leading to more effective vaccines and treatments. The study found that manipulating a molecular signaling pathway can strengthen and prolong the immune response.
A phase I clinical trial shows that transplanting P63+ lung progenitor cells can repair damaged lung tissue in patients with chronic obstructive pulmonary disease (COPD), improving breathing and quality of life. The treatment increased lung function, reduced symptoms, and even repaired mild emphysema in some patients.
Babies with more mature gut microbiota at one year old are less likely to develop allergy-related wheeze or asthma. The study, which followed 1074 babies from birth to four years old, found that increased maturity of the gut microbiota was associated with a lower risk of these conditions.
A study of nearly 20,000 patients found that the color of their phlegm can indicate the degree of inflammation in their lungs and predict future outcomes. Patients with darker green or brown-colored sputum were at a higher risk of exacerbations, hospitalizations, and death.
A study published in JAMA Network Open reveals that childhood survivors of acute respiratory distress syndrome (ARDS) are at high risk of readmission within two months after discharge. The research suggests that targeted interventions such as telephonic contact, follow-up clinics, and home health care may help reduce readmission rates.
A recent study published in Nature Communications found that global PM2.5 exposure decreased significantly from 2011 to 2019, largely due to China's air quality management efforts. The study used satellite-derived data and a new regional decomposition approach to quantify local and regional contributions to global PM2.5 pollution.
A soft ball designed to support mental health has been invented, giving users a tangible representation of their breath to regulate emotions. The device, called PAWS, shows significant improvement in reducing anxiety and increasing protection against worry-induced thoughts, with an average 75% reduction in anxiety.
A study found that CPAP treatment reduces night-time heartburn, productive morning cough, and chronic bronchitis in patients with obstructive sleep apnea (OSA). Regular CPAP use decreases reflux by keeping the upper airway open during sleep.
A National Institutes of Health-supported study suggests that adults with obesity may benefit from extracorporeal membrane oxygenation (ECMO) when in intensive care for respiratory failure. The study found lower mortality rates among patients with obesity who received ECMO compared to those without, contradicting previous concerns.
Researchers found that telomere shortening, a biomarker of cellular aging, accelerated in untreated obstructive sleep apnea patients. However, continuous positive airway pressure (CPAP) attenuated this damage. The study suggests that CPAP can reduce inflammation and oxidative stress, leading to slower aging.
The August issue of CHEST journal features a new clinical practice guideline for managing patients with neuromuscular weakness and a multisociety evidence review on the effect of race and ethnicity on pulmonary function testing interpretation. This is complemented by other research and reviews covering various aspects of chest medicine.
Most U.S. infants requiring intensive care for RSV lower respiratory tract infections were young and healthy, born at term. RSV preventive measures targeting all infants are urgently needed to reduce severe illness burden.
A network meta-analysis found that breathing training combined with aerobic exercise, and yoga training, enhance lung function in adults with asthma. The study highlights the importance of integrating appropriate exercise training into asthma management plans.
Researchers demonstrate the potential of optical imaging for safely measuring vocal fold elasticity and pliability. The study found good agreement between Brillouin microspectroscopy results and conventional elasticity measurements.
A new NIH grant will help researchers better understand brain respiratory control and develop neuromodulation strategies to prevent Sudden Unexpected Death in Epilepsy (SUDEP). The goal is to identify optimal stimulation paradigms for breathing enhancement during a critical time window after seizures.
Critically ill children on ventilator support can experience patient-ventilator asynchrony (PVA), which worsens outcomes. Researchers are using machine learning to develop a common set of definitions and measurements for PVA in pediatric patients, aiming to minimize risks and improve clinical outcomes.
A new study reveals how Aulacopleura, an ancient sea-dwelling trilobite, developed variable mid-section segments to tolerate dips in local oxygen levels. This adaptation allowed the species to thrive despite being preyed upon by larger predators.
A new study by UCSF found that half of participants with extensive tobacco exposure had persistently high respiratory symptoms, yet performed well in COPD tests. The study highlights a gap in effective care for tobacco-exposed individuals and emphasizes the need for broader definition of smoking-related lung disease.
Researchers found that human senescent fibroblasts trigger progressive lung fibrosis in immunodeficient mice by inducing paracrine senescence and pro-fibrotic activities. The study also suggests that senolytic compounds like navitoclax can ameliorate lung fibrosis induced by senescent human fibroblasts.