Articles tagged with Respiration
The $4.6 million NIH grant will help implement a telehealth-enabled audit and feedback process to monitor adherence to recognized standards of care in 14 Intermountain Healthcare ICUs. This study aims to reduce the time patients spend on mechanical ventilators, improving lung protective mechanical ventilation best practices.
A wearable device has been developed to detect and reverse opioid overdoses by injecting naloxone, a lifesaving antidote. The device, which senses when a person stops breathing and moving, has shown promising results in clinical trials.
A new study found that most personal protective equipment (PPE) masks are not designed for Black And Minority Ethnic (BAME) backgrounds and women, leading to inadequate protection. The research highlights the need for further studies on PPE development to account for differences in facial dimensions across gender and ethnicity.
Scientists are developing new types of face masks that can kill viruses, be reused and be eco-friendly. Researchers have also found that improper mask usage can sometimes be worse than no mask at all.
Studies show that non-invasive breathing support like CPAP and high-flow nasal oxygen do not produce more air/surface viral contamination than simple oxygen therapy. Coughing produces the most aerosol, prompting a call for reevaluation of infection control measures for these respiratory support methods.
Researchers at Duke University used mini ecosystems to test the effects of warming on bacteria-eating protists. They found that simple measurements of species traits could predict their response to temperature, shedding light on how climate change will alter microbial communities and influence the pace of global warming.
Researchers identified a protein leakage related to chronic airway diseases, which restricts breathing. Decreasing this leakage could improve asthma and COPD management by relaxing airways.
A new study identifies 13 genes as key factors in shaping physical fitness through various forms of exercise. Genetic differences account for up to 72% of the variation in muscle strength improvements.
German scientists developed a method to supply oxygen to tadpole brains using photosynthesizing algae injected into their bloodstream. This approach effectively revived neurons in oxygen-deprived tadpoles, showing promise for new therapies for conditions such as stroke and high-altitude environments.
Researchers discovered a simple questionnaire and airflow measurement test can identify adults with undiagnosed chronic obstructive pulmonary disease (COPD) in China. The Chinese symptom-based questionnaire combined with microspirometry could provide the most efficient way to identify patients needing treatment for COPD.
A new VA study finds a strong connection between PTSD symptom severity and anxiety sensitivity among female Veterans who experienced military sexual trauma. Treating anxiety may ease core PTSD symptoms, suggesting anxiety sensitivity as a potential target for treatment.
Research by TU Wien found that small droplets with coronaviruses can remain airborne for an order of magnitude longer than assumed due to high humidity. This means that even short-range exposure poses a significant risk, highlighting the need for scientifically sound guidelines on mask-wearing and safety distances.
Indoor distances of two meters may not prevent transmission of airborne aerosols; researchers found that virus-laden particles can travel quickly through poorly ventilated rooms. Implementing additional control measures like masking and adequate ventilation is crucial to reduce exposure.
New research found that COVID-19 infection does not significantly impact lung function in young adults, including those with asthma. Lung function in children and adolescents also appears to be unimpaired after infection, apart from severe cases.
A study of 814 babies found that those born to physically inactive mothers had lower lung function compared to those born to active mothers. Regular physical activity during pregnancy may reduce the risk of impaired infant lung function, potentially improving respiratory health later in life.
A recent study found that warmer temperatures are associated with an increase in COPD exacerbations. The research analyzed data from over 1,100 smokers with COPD and discovered a 2% increased risk of exacerbations for every one-degree Celsius rise in ambient temperature.
Two studies found that breathing humid and salt-enriched air reduced respiratory droplet generation by approximately 50% within 10 minutes. The study suggests this mechanism may contribute to the effectiveness of cotton face masks in reducing COVID-19 incidence and death.
A new study by Children's Hospital of Philadelphia finds that bystander CPR using only chest compression has similar outcomes to not using CPR at all for infants experiencing cardiac arrest. In contrast, children who received CPR with rescue breathing had nearly 1.5 times better neurological outcomes.
Researchers at UEA developed a new method for measuring carbon uptake by Arctic plants, providing insights into the impact of climate change on this process. This study reduces uncertainties in previous assessments and investigates the influence of environmental factors on carbon uptake.
A new study by University of Waterloo researchers highlights the importance of using better face masks and proper ventilation to mitigate COVID-19 transmission indoors. The study found that higher-quality masks can filter up to 50% of exhaled aerosol droplets, while even modest ventilation rates are effective in reducing risk.
Obstructive sleep apnea is common in kids and adolescents, affecting 1-6% of all children and 30-60% of obese adolescents. It can raise blood pressure and link to insulin resistance, abnormal lipids, and cardiovascular health issues. The American Heart Association calls for further studies on the topic.
A Bar-Ilan University study found that individuals with more relaxed heart rate/respiratory function 2-3 years prior to SARS-CoV-2 reported greater mental well-being during the pandemic. Physiological measures such as RSA and SCL were used to assess individuals' mental well-being and regulation of negative emotions.
A new study found that fine aerosols generated during talking and singing can contain more viral particles than coarse aerosols, highlighting the importance of reducing exposure to these particles in indoor environments. The research suggests that these aerosols may play a significant role in SARS-CoV-2 transmission.
Researchers found individuals with well-controlled asthma have significantly lower odds of hospitalization and ICU admission compared to those with uncontrolled asthma. Asthma patients using their medications showed a decrease in worsened COVID-19 outcomes.
A randomized clinical trial found that graphic warning labels on cigarette packaging changed the perception of US smokers, making them more likely to recognize the negative consequences of tobacco use and consider quitting. However, it did not significantly increase quit attempts or reduce nicotine addiction.
Researchers at the University of Warwick used computational modelling to investigate the impact of high breathing efforts on COVID-19 patients' lungs. They found that increased respiratory efforts can produce injurious pressures and strains, posing a risk of lung injury. The study suggests that patients with acute respiratory failure d...
A new study found that many parents recognize signs of sleep-disordered breathing in their children but fail to bring it up with their doctor. Parents are advised to check on their child's sleep quality and share concerns with their doctor to catch potential health issues early.
The VATRAC trial confirms VivAer's safety and efficacy in treating nasal airway obstruction caused by nasal valve collapse. Patients treated with VivAer showed significant improvement in symptoms compared to the control group, with superior responder rates and symptom reduction.
A crossover trial found that exercising with a mask elevated breathing resistance and reduced peak exercise oxygen uptake, but did not compromise overall fitness. The study suggests that wearing masks during exercise may exert physical limitations on capacity, but the clinical relevance of this finding is uncertain.
A new study from the University of Colorado at Boulder found that a 5-minute daily workout can lower blood pressure and improve vascular health, comparable to traditional exercise or medication. The ultra-time-efficient maneuver, known as High-Resistance Inspiratory Muscle Strength Training (IMST), was developed for breathing muscles a...
Researchers found that normal breathing indoors without a mask can transport virus-laden saliva droplets up to 7.2 feet in just 90 seconds. Masks significantly restrict this movement, reducing the distance to less than 6 feet after two minutes.
Computational simulations reveal that DNA sequence and histone tail dynamics play crucial roles in nucleosome breathing. The study provides unprecedented insights into gene expression mechanisms and may contribute to understanding diseases and optimizing therapeutical cell type conversions.
Computer simulations reveal that DNA sequence and histone tails play crucial roles in nucleosome breathing, a motion essential for gene expression regulation. The findings provide unprecedented insights into the mechanisms that control chromatin dynamics.
Researchers discovered that semi-aquatic anoles use a bubble to re-oxygenate the air they exhale, allowing them to stay underwater for extended periods. The lizards' hydrophobic skin facilitates this process, which is essential for their survival in aquatic habitats.
A study of 1,095 patients with COVID-19 found abnormal blood-oxygen levels and breathing rates are strong predictors of poor patient outcomes. Researchers recommend monitoring for these signs at home or seeking medical attention earlier to potentially save lives.
Children who undergo adenotonsillectomy surgery to treat sleep disorders experience improved sleep quality and quality of life. However, their behavior remains unchanged. The study suggests that parents may be reassured by post-operative improvements in behavior due to factors such as increased family sleep and reduced parental worry.
Researchers at Ural Federal University found that yoga and breathing exercises can improve attention and reduce hyperactivity in children with ADHD. The studies involved 16 children aged six to seven years who received special classes, including diaphragmatic rhythmic deep breathing exercises.
Researchers have found that rodents and pigs can survive with the help of oxygen administered through their rectum. A liquid-based alternative has also been developed, which reversed symptoms in both models without producing side effects.
New research from the University of Virginia School of Medicine has identified a sequence of events during seizures that can progress to death. The researchers found that breathing disruption, or apnea, occurs during seizures and that artificially stimulating breathing can prevent sudden death after a seizure.
Children who regularly snore have structural brain changes that may explain behavioral problems such as lack of focus, hyperactivity, and learning difficulties. Thinner gray matter in certain brain regions correlates with these issues.
Research shows that social distancing is equally important as mask wearing when people are indoors, even without coughing or sneezing. The study also highlights the need for better mask design to reduce droplet leakage and adequate ventilation systems to minimize airborne transmission.
A University of Washington-led team has developed a system that uses machine learning to capture subtle changes in facial light reflection to estimate pulse and respiration rates from smartphone videos. The system outperforms previous versions on diverse datasets, including those with darker skin tones.
A new study found that coughing and deep breathing create more than 100-fold greater amounts of aerosols than oxygen therapies, increasing the risk to frontline staff. The research challenges current guidelines, suggesting that healthcare workers wear only surgical masks face a higher risk of infection.
A study found that newly abstinent opioid users resist carrying naloxone, even if it can save their lives. Researchers suggest reframing the meaning of carrying naloxone to represent a commitment to group safety and wellbeing. They propose re-targeting naloxone distribution efforts to include persons at any phase of their drug use.
A study published in JAMA found that 40% of critically ill patients who undergo tracheal intubation experience life-threatening complications. The research highlights the importance of understanding these complications to improve patient outcomes and reduce mortality rates.
Researchers at New York University discovered that birds' looped airways facilitate one-way flows of air, allowing them to perform complex tasks like flying across oceans and high altitudes. This finding offers new insights into aerodynamics and potential applications in flow engineering for respiratory ventilators and other technologies.
Researchers found that cotton fabrics become better filters when exposed to humid conditions, increasing filtration efficiency by an average of 33%. Synthetic fabrics performed poorly relative to cotton and did not improve with humidity.
Researchers at the University of Washington developed a new AI system that can track individual heartbeats using smart speakers. The system sends inaudible sounds and uses machine learning to identify signals from both regular and irregular heartbeats, achieving accuracy comparable to standard heartbeat monitors.
A study suggests that wearing a face mask during vigorous exercise has a small effect on breathing and heart rate, but does not pose a risk to health.
A new study suggests that ecosystems respond differently to rising temperatures, with warmer climates showing a weaker effect on carbon respiration and cold climates experiencing an extreme rise. This finding has implications for climate change predictions and conservation efforts.
Researchers have captured detailed images of newborn babies' lungs as they take their first breaths, revealing complex methods of adapting to air-breathing at birth. The study provides clues to improving preterm babies' survival chances and long-term health outcomes.
A new study reveals that reducing body temperature improves surfactant activity, making it easier for oxygen to enter the lungs. Therapeutic hypothermia could be a potential treatment for ARDS, affecting critical patients worldwide.
A team of engineers at the University of Cambridge identified the physical mechanisms responsible for wheezing, a condition affecting up to a quarter of the world's population. They developed a 'tube law' to predict when wheezing occurs and could lead to a cheaper and faster diagnostic for lung disease.
A new tool using machine learning predictive modeling has been developed to predict the success of extubating ICU patients on intensive mechanical ventilation. The study analyzed data from over 1,000 patients and showed a significant reduction in reintubation rate from 9% to 1%.
The American Rhinologic Society has launched SinusHealth.com, the first-ever patient-focused online resource dedicated to nasal and sinus conditions and treatments. James Nestor will discuss his book Breath: The New Science of a Lost Art, exploring the science of breathing and its impact on health.
A new negative pressure ventilator, known as exovent, offers more comfortable treatment options for respiratory failure patients with COVID-19. The device requires fewer staffing resources and can be easily adapted for developing countries, providing a non-invasive alternative to traditional ventilation methods.
A new study finds that Earth's temperature tipping point for carbon uptake is already being exceeded in nature, with potential catastrophic consequences. If emissions continue unchecked, up to half the terrestrial biosphere may experience temperatures beyond this productivity threshold by mid-century.
A highly sensitive wearable sensor can detect early COVID-19 symptoms and monitor heart disease by detecting subtle cardiac and respiratory movements. The device, made of skin-safe material, is small enough to be attached directly to the patient's body.
Researchers at TUM found that nocturnal respiratory rates can help predict the success of ICD treatment in heart patients, with a 31.3% survival advantage observed in those with lower breathing rates. The study demonstrates the predictive value of breathing frequency for therapeutic efficacy.
Researchers at Penn State have developed a new system that can harvest energy from human breathing and motion to power wearable health-monitoring devices. The system uses stretchable micro-supercapacitors with an island-bridge design, allowing it to stretch up to 100% without losing its functionality.