Articles tagged with Respiration
A team of researchers has discovered a signaling system within the brainstem that activates almost immediately at birth to support early breathing. This finding may offer important insights into Sudden Infant Death Syndrome (SIDS) and other breathing problems.
New global guidelines suggest exceeding weekly recommended physical activity levels can counter early death risk linked to long periods of sedentary time. The World Health Organization recommends 150-300 minutes of moderate intensity physical activity or 75-150 minutes of vigorous-intensity activity per week.
Researchers at MLU discovered that special activity trackers can accurately measure respiratory rates while sleeping, offering a new diagnostic tool. The study showed that minimal arm movements can provide more precise conclusions about breathing than standard ECGs.
A study of 214 children found that final diagnoses differ from referral diagnoses in 54% of cases, with asthma being the most common cause. Inhaling medication was prescribed to 91% of children with a final diagnosis of asthma, while physiotherapy was recommended for 50% of those with dysfunctional breathing.
Researchers found that masks have minimal effects on lung function, even in healthy individuals, and do not increase the risk of shortness of breath or difficulty breathing. The study suggests that wearing a mask can be uncomfortable but does not impact cardiopulmonary function.
A team of researchers tested the effectiveness of different fabrics at filtering ultrafine particles, comparable to coughing or heavy breathing. Most fabrics commonly used for non-clinical face masks were found to be effective, with N95 masks being highly effective.
Researchers at the University of Tsukuba found that hydrogen sulfide is essential for maintaining normal breathing patterns in mammals. The production of hydrogen sulfide allows brain regions responsible for controlling breathing to function normally.
The First Book of Breathing, an ancient Egyptian funerary text, was analyzed based on papyrus FMNH 31324. The composition was created through a careful exegetical process involving the selection and interweaving of Book of the Dead spells.
Researchers from the University of Cambridge used 3D printing to create sensors beyond conventional film-based devices, outperforming commercial sensors in monitoring rapid breathing. The fibre sensors can detect breath moisture leaked through face coverings, providing potential indicators for viral transmission protection.
A widely used breathing test for patients with respiratory problems is flawed, according to a new study, as it fails to account for individual breathing patterns. Increasing the measurement time to two minutes and using specialized equipment could improve accuracy.
Researchers tested various mask types against expired particles, finding surgical and N95 masks block up to 90% of particles. Cloth masks, however, released a large amount of fibers into the air, emphasizing the importance of regular washing.
Researchers at Swansea University are exploring a new method to help people recover from COVID-19 using breathing exercises and a hand-held device. The project aims to improve shortness of breath and overall well-being, with volunteers invited to take part.
The Michigan Tech's Open Sustainability Technology (MOST) Lab has developed three new open-source tools in response to COVID-19: a high-temperature 3D printer, a firefighter PAPR mask, and an emergency-use ventilator. These devices can be built using locally sourced materials, reducing costs and increasing accessibility.
Researchers explore the possibility that mindfulness with paced breathing lowers blood pressure, reducing risks of stroke and heart attacks. The study aims to test this hypothesis through a pilot trial, which could lead to further research and potentially life-saving results for millions worldwide.
A study using ocean chemistry models reveals that respiration quotient increases with rising temperature, leading to accelerated declines in ocean oxygen. The findings suggest a link between global warming and reduced ocean oxygen availability.
Researchers have solved the debate on respiration's initial molecular events by studying nitrosyl-myoglobin. Using XES, they found that the transition from low-spin to high-spin domed heme is caused by a cascade among spin states.
Community members supplied with naloxone and a smartphone application can act quickly to reverse opioid overdose before EMS arrival, reducing mortality. The study found that layperson-initiated overdose reversal occurred in 59.6% of cases, with volunteers administering naloxone prior to EMS arrival.
A Yale study found that teaching college students specific techniques for managing stress and anxiety improves their mental health and wellbeing. The most effective program led to improvements in six areas of wellbeing, including depression and social connectedness.
Adult survivors of preterm birth may have impaired respiratory mechanics, making exercise and lung function more difficult. Researchers are studying the underlying causes to help clinicians accurately target treatment.
A Yale, Baylor study reveals new cell types in lungs affected by Idiopathic Pulmonary Fibrosis (IPF), revealing how cells change in response to the disease. The findings deepen understanding of IPF and could improve treatment of it and other fibrotic lung diseases.
Researchers have found that a history of rape is associated with dysfunctional breathing and late-onset asthma diagnosis, particularly in women. Nearly 20% of women reported being raped, and those who experienced trauma were more likely to develop respiratory problems at 38 years old.
A new study sheds light on the mysterious condition known as silent hypoxemia or 'happy hypoxia' in COVID-19 patients. The research reveals that low oxygen levels without shortness of breath may be caused by a combination of factors, including inaccurate pulse oximeter readings and the brain's delayed response to low oxygen levels.
Researchers at Karolinska Institutet found the Apgar score effective in assessing health of preterm infants, with lower scores associated with increased mortality risk. A higher Apgar score significantly increases the chance of survival for premature babies, highlighting its importance regardless of gestational age.
A new study from the University of Surrey discovered that roadside hedges protect human health by reducing air pollution exposure, but at the cost of harming plant health. The researchers found that fine particles on leaves were more prevalent on the traffic-facing side of the hedge.
A commentary from Beth Israel Deaconess Medical Center reviews basic respiratory physiology and highlights the clinician's role in educating the public against relying on speech as a sign of adequate respiration. Data from studies of war and torture victims show that suffocation is a strong predictor of posttraumatic stress disorder.
Researchers found that spiracle fluttering in insects enhances oxygen diffusion, reducing water loss during respiration. This unique breathing mechanism allows for efficient oxygen uptake, benefiting the insect's survival.
A new study found that the mechanics of rib movements in lizards facilitate locomotion, which was later co-opted for breathing. The researchers captured 3D motion of lizard ribs and vertebrae using XROMM, revealing a twisting forward and backward pattern similar to inhalation and exhalation.
A recent study published in Risk Analysis suggests that breathing and talking may contribute to the spread of COVID-19 through the release of aerosol particles. These particles can remain airborne for extended periods, allowing them to travel significant distances and potentially infect others.
Targeting the brain's control of breathing may help improve breathing in patients with respiratory disorders like COVID-19. Researchers found that reducing neural inflammation can minimize lung injury effects.
Research reveals women's smaller airways require more work to breathe, unlike men, who have larger airways that reduce resistance. This finding may contribute to differences in asthma and COPD experiences between sexes.
A 'do it yourself' breathing circuit using readily available intensive care accessories can ventilate two critically ill patients at once, but its use is fraught with ethical issues and unclear pros outweigh cons. Clinicians should only consider this approach as a last resort due to the need for close patient matching and potential harm.
Researchers have developed a way to incorporate electronic sensors into stretchy fabrics, allowing for the creation of shirts or other garments that can monitor vital signs. The sensor-embedded garments are machine washable, customizable, and can be worn by people who need to track their physical data.
A non-invasive low-cost ventilator has been designed and tested by UB researchers, providing efficient respiratory support to patients. The prototype adapted to spontaneous breathing rhythm and provided a feeling of breathing relief similar to commercial devices.
A low-cost, easy-to-build non-invasive ventilator has been developed and tested, performing similarly to conventional commercial devices. The prototype provides effective breathing support for patients with respiratory failure, potentially improving outcomes and alleviating pressure on health systems.
University of Iowa scientists have identified a specific area of the brain involved in seizure-induced loss of breathing, which could help predict and prevent sudden unexpected death due to epilepsy. The Amygdala Inhibition of Respiration (AIR) site was found to be critical in children with epilepsy.
Researchers found that brain cells generate a 'new song' with the same beat for each breath, adapting to changing rhythms throughout the day. The discovery could lead to new approaches to treating breathing disorders and may even help combat opioid-related deaths.
An international team of researchers has identified genes related to cardiorespiratory function during acute periodic breathing, a condition that occurs in most humans at high altitudes. The study found that genetic variants affecting the response to insufficient oxygen impact the coordination between heart and lung functions.
Researchers at Tel Aviv University have discovered a unique non-oxygen breathing animal, the Henneguya salminicola parasite. This tiny, anaerobic organism dwells in salmon tissue and has given up breathing oxygen to produce energy.
Researchers have identified a jellyfish-like animal, Henneguya salminicola, that lacks a mitochondrial genome and aerobic respiration. This finding sheds light on the evolutionary transition from aerobic to anaerobic metabolism in certain multicellular animals.
A study by Duke University found that wearable devices like smart watches and fitness trackers accurately measure heart rate across different skin tones but have varying levels of accuracy during various activities. The research highlights the need for better understanding of device accuracy and its impact on medical decisions.
Research at EPFL suggests that breathing patterns influence conscious decision-making and acts of free will. The study found that voluntary actions are linked to the body's internal state, particularly during exhalation.
In a new study, Mayo Clinic researchers discovered that in-home bilevel positive airway pressure (BiPAP) therapy can significantly improve COPD patient outcomes, including reduced mortality rates and fewer hospital admissions. The treatment helps alleviate shortness of breath and reduces the risk of intubation.
Researchers at Boston University School of Medicine found a link between yoga and increased Gamma-amino butyric acid (GABA) levels, which may help alleviate depressive symptoms. Completing one yoga class per week can maintain elevated GABA levels.
Hokkaido University scientists have discovered the missing link in a rare hereditary disease that impairs the skin's barrier function. They found that fatty acid transporter member 4 (FATP4) plays a critical role in synthesizing acylceramides, key skin lipids that prevent water loss and protect against pathogens.
A new multicenter study finds that stabilizing fractured and partially dislocated ribs through surgical stabilization improves patient outcomes, with reduced pain, increased comfort, and lower complication rates. Patients who underwent the procedure experienced better quality of life and fewer complications compared to those who did not.
A small wildfire in San Diego County in 2017 resulted in a significant increase in children visiting the emergency room for breathing problems, according to new research. The study found that children under the age of 12 were more likely to develop breathing issues leading to an ER visit.
A study analyzing official safety incidents in England and Wales found that nearly half of reported cases resulted in child harm. The most common problems were faulty equipment, inadequate staff training, and communication issues.
Researchers have found a way to stimulate breathing in premature babies using pure oxygen, which may help reduce the need for invasive respiratory interventions. The technique has shown promising results in preterm rabbit kittens and human clinical studies, offering a potential non-invasive solution for supporting fragile newborns.
Researchers discovered that exercise increases brain oxygenation by packing more oxygen into the bloodstream, contradicting the long-held assumption that blood is always completely saturated with oxygen. This breakthrough sheds new light on the dynamic relationship between respiration and cerebral oxygenation.
A recent study found that almost 60% of older men and women experienced sleep apnea during dream sleep, which is associated with adverse cardiovascular outcomes. Women were more likely to be undertreated for sleep apnea due to lower sensitivity to changes in ventilation and less airway collapsibility.
Impaired SHMT2 expression impacts mitochondrial respiration and cellular growth, leading to age-related disorders. The study suggests that epigenetic processes contribute to aging by altering metabolic pathways.
A recent study found that tongue-tie procedures in babies can lead to respiratory events, bleeding, weight loss, and poor feeding. The researchers estimate that about 20 out of every 100,000 babies born will suffer a complication related to the procedure.
Chronic opioid use can disrupt sleep by reducing efficiency and increasing risk of sleep-disordered breathing. Medical providers must recognize signs like snoring and daytime sleepiness to provide high-quality care.
Research suggests that bacteria and archaea, collectively known as prokaryotes, will increase their carbon output in response to higher temperatures. The study found that most prokaryotes will speed up their metabolism and produce more carbon dioxide, contributing to climate change.
Researchers at UCL found that newborn baby hiccups trigger a large wave of brain signals, potentially helping babies learn how to regulate their breathing. The study used brain scans to record EEG activity in 13 newborn infants with hiccups, finding that the contractions evoked a pronounced response in the brain's cortex.
Research on newborn rats suggests that fetal nicotine exposure may impair the function of neurons controlling the tongue, leading to difficulty breathing. This impairment could be a factor in sudden infant death syndrome (SIDS) in humans.
A new study reveals that many emergency medical services (EMS) responders lack recent training in newborn resuscitation techniques and experience caring for newborns. The researchers analyzed simulated 911 calls to a home birth in progress, highlighting the need for EMS-specific neonatal training and equipment.
Researchers at the University of Washington developed a smart speaker skill called BreathJunior that uses white noise to monitor infants' breathing and movement. The system detected respiratory rates closely matching those detected by standard vital sign monitors, showing promise as a tool for parents and hospitals.
A survey of 905 Italian truck drivers found that nearly half suffer from at least one sleep-related breathing problem, with a significant risk of OSA due to lifestyle factors such as poor diet and physical inactivity. The study highlights the importance of compulsory testing for sleep-related breathing problems among haulage companies.
The four newest 2019 Balzan Prize winners were announced today in Milan for their groundbreaking contributions to film studies, Islamic studies, theory of partial differential equations, and pathophysiology of respiration. The winners will receive a prize of CHF 750,000 each, with half going towards research projects.