Articles tagged with Respiration
Researchers used a 3D printed model of the human airway to study how airflow affects the transfer of volatile particles from the back of the mouth to the nasal cavity. They found that slow, steady breathing optimizes the delivery of these particles, leading to better food enjoyment.
A study published in the New England Journal of Medicine found that continuous chest compressions during out-of-hospital CPR did not provide better outcomes for patients with cardiac arrest. In contrast, interrupting manual chest pumping to perform rescue breathing appeared to improve survival rates among those who received this approach.
Research found that water treatment plant effluents can boost the activity of some organisms while harming others, affecting respiration and photosynthesis. The study suggests that current water treatment plants are not totally efficient and need improvement to maintain healthy river ecosystems.
Research at the University of Surrey reveals peak concentrations of ultrafine particles reach up to 4000 times local background levels during building activities. Breathing these particles can lead to cardiovascular and respiratory system diseases.
Researchers at North Carolina State University have developed an algorithm that can assess the onset time, pitch and magnitude of wheezing sounds to provide healthcare professionals with information about lung condition. The algorithm is effective regardless of patient size and can handle breathing pattern variability.
Researchers discovered apes can perform voluntary behaviors that require control over vocalization and breathing, such as blowing raspberries or mimicking phone conversations. This finding suggests the evolutionary groundwork for human speech was present in our last common ancestor with gorillas around 10 million years ago.
Research by Umeå University reveals that streams and rivers release notable amounts of carbon dioxide from organisms' respiratory processes. This finding highlights the importance of understanding these mechanisms in predicting the impact of climate change on greenhouse gas concentrations.
A study by University of Iowa researchers has identified areas of the brain controlled by breathing, providing an important insight into SUDEP. Breathing loss was recorded when the amygdala was stimulated in human subjects, even if they were aware and awake.
A clinical pathway identified sleep disordered breathing in 87% of hospitalized patients, highlighting the need for early diagnosis and intervention to reduce cardiovascular complications. The low-cost protocol used a simple device, which correlated well with polysomnography, increasing awareness among admitting physicians.
Grey seal pups who practice in pools have improved breathing patterns and longer breath-holding periods during their transition to sea life. Researchers believe this may be due to stimulation of facial nerves causing a drop in heart rate, helping them conserve oxygen.
Research suggests that aerobic exercise can curb asthma symptoms and improve quality of life by reducing bronchial hyperresponsiveness and inflammatory response. The study found significant improvements in symptom-free days, worsening symptom bouts, and quality of life scores among participants with moderate to severe asthma.
A world-first study by QUT reveals that roadside air is more charged with particles than air under high-voltage power lines, with concentrations up to 15 times higher within 10 meters of a freeway. The study highlights the significant impact of motor vehicle emissions on urban air quality.
Researchers studying sleep apnea aim to understand the link between breathing patterns and blood pressure control in the brain. The IUPUI study may lead to innovative treatments for hypertension.
Scientists have identified two sensory neuron subtypes controlling different respiratory functions in mice, revealing a complex vagus nerve system that may lead to targeted therapies. The study sheds light on the molecular mechanisms underlying breathing control and has implications for treating various conditions.
A new study published in Neurology suggests that heavy snoring and sleep apnea may be linked to an earlier age of memory decline. Treating the disorders with a breathing machine may delay the decline, according to the research.
A study found that sleep disordered breathing can negatively impact declarative memory, making it harder for children to consciously recall learned information. Non-declarative memory, which involves learning new skills through reaction times, was less affected by sleep disturbances.
A new study found that 44% of adults with sickle cell disease experience sleep disordered breathing, which lowers oxygen levels at night. The study suggests screening for sleep disturbances using a questionnaire or oxygen desaturation index to identify potential risks in this population.
A groundbreaking study by MSU doctors discovered that brain swelling is the cause of death in children with cerebral malaria. This breakthrough knowledge will help develop new treatments targeting the swelling, which may save lives by using ventilators to keep children breathing until the swelling subsides.
Researchers at Ben-Gurion University have developed a non-contact breathing sound analysis algorithm to reliably estimate whole-night sleep evaluation for detection of sleep quality, snoring severity, and Obstructive Sleep Apnea. The new approach shows promising results in distinguishing between sleep and wake segments with high accuracy.
A study from Thailand finds that 56% of pregnant women with diet-controlled gestational diabetes have obstructive sleep apnea. The severity of sleep disordered breathing is associated with higher blood glucose levels and greater daytime sleepiness, highlighting the importance of OSA diagnosis in this population.
Researchers found that in muscular dystrophy, abdominal muscles take over more of the respiratory function as diaphragm muscle damage progresses. This study highlights the importance of supporting cardiopulmonary function in neuromuscular disease.
A new study found that emotional conflict between activities makes consumers feel they have less time, generating stress and anxiety. Authors suggest two strategies: slow breathing and channeling stress into positive emotions to reduce feelings of being pressed for time.
Researchers found that women's respiratory muscles consume a greater amount of oxygen during exercise compared to men. This means women use more energy when breathing, potentially impacting leg blood flow and skeletal muscle fatigue.
During the annual hajj pilgrimage, scientists detected high levels of air pollutants, including carbon monoxide and benzene, in Mecca. The exposure to these chemicals increases the risk of heart failure, headaches, and other serious health issues, highlighting the need for improved regulations and reduced emissions.
Researchers have developed a new measure to accurately group children into those with or without sleep-related breathing problems. The study found that movements during sleep are a key indicator of potential sleep problems, leading to improved diagnosis and treatment options.
A rare connexin mutation has been linked to a baby's disordered breathing, with researchers discovering that astrocytes with the mutation cannot bind to carbon dioxide. This breakthrough could lead to the development of an algorithm to pinpoint when a premature infant's breathing pattern goes south.
Case Western Reserve researchers develop a procedure that restores breathing function in paralyzed muscles even after a year of injury. The treatment approach combines enzyme injection and intermittent hypoxia therapy to boost serotonin levels, reactivating the diaphragm and restoring normal breathing.
Scientists at the University of Utah have found that iguanas, not known for high-capacity aerobic fitness, have bird-like breathing patterns in their lungs. This discovery bolsters the case that unidirectional airflow evolved long before the first birds, suggesting a common ancestor among lizards, snakes, crocodiles, and dinosaurs.
A new study found that older women with moderate to severe breathing disruptions during sleep are more likely to experience a decline in their ability to perform daily activities. The research suggests that treatment of sleep-disordered breathing may help prevent functional decline.
Researchers from Universidad Politécnica de Madrid and the National Institutes of Health provide a wealth of patient imaging data to build tools for diagnosing coronary heart disease. The publication includes a virtual machine with software and data, enabling direct experimentation and annotation.
Researchers discovered that tortoises' modern breathing apparatus was already in place in the earliest fossil tortoise, Eunotosaurus africanus. The study suggests a gradual increase in body wall rigidity led to the evolution of both the tortoise shell and unique breathing mechanism.
Scientists are developing low-cost air-cleaning devices to replace expensive metals like platinum and palladium. Recent studies have shown promising results in improving indoor air quality, potentially alleviating symptoms of 'sick-building syndrome'
Researchers found that asthma patients who practiced shallower breaths and paired it with biofeedback significantly reduced their symptoms and improved lung function. The study also showed that this method can lead to better long-term lung health and reduced dependence on emergency medication.
A new technique using bioimpedance measurement reduces image degradation caused by respiratory motion during PET scans, enabling more accurate detection of cancers and heart conditions. This improved imaging quality can lead to better diagnosis reliability and treatment response monitoring.
A new study from the University of Wisconsin-Madison finds that yogic breathing can effectively reduce symptoms of PTSD, including anxiety and hyperarousal. The practice has been shown to lower respiration rates and reduce PTSD symptoms in veterans.
A new study published in the Journal of Allergy and Clinical Immunology has found that indoor mold can lead to breathing problems and increase the likelihood of developing asthma. The research highlights the importance of adequate heating, ventilation, and home maintenance to reduce mold growth and its effects on health.
A study published in Anesthesiology found that GAL-021, a novel therapeutic drug, may reverse or prevent respiratory depression in patients taking opioid medication without compromising pain relief. Researchers also found that GAL-021 had no adverse effects on non-respiratory variables such as sedation or blood flow.
Researchers have developed graphene-infused rubber bands that can measure breathing, heart rate, and movement, enabling affordable remote healthcare monitoring. The technology has the potential to revolutionize remote healthcare, particularly in developing countries where access to medical care is limited.
A new study by Marine Biological Laboratory scientists has determined that as forests age, their ability to grow decreases due to reduced carbon dioxide uptake and respiration. This finding suggests the future growth of US forests will decline, potentially impacting the country's role as a carbon sink.
A new study found that obstructive sleep apnea (OSA) causes a reduction in activity among brainstem neurons responsible for regulating heart rate. This reduced activity contributes to increased heart rate and blood pressure, as well as the risk of cardiovascular events in OSA patients.
A recent study published in Frontiers in Human Neuroscience found that nondirective meditation, such as Acem technique, increases activity in the brain's resting network, which processes thoughts and feelings, while concentrative meditation has less activation in this area.
A new study found that poor global QOL scores do not predict worse survival in high-risk lung cancer patients undergoing sublobar resection, contradicting prior studies. Patients with breathing problems at baseline or decline in function after surgery had poorer overall survival.
Scientists at the University of Bristol have received funding to test a powerful new drug, NLX-101, which selectively targets serotonin receptors in the brain. The goal is to alleviate the distressing breathing abnormality associated with Rett syndrome, a condition affecting 1 in 10,000 female births worldwide.
Scientists at the University of Colorado School of Medicine have identified solitary chemosensory cells as potential causes of non-allergic rhinitis. These cells detect irritants and trigger an inflammatory response, leading to symptoms such as a runny nose and difficulty breathing.
A study found that premature babies supported by high-frequency oscillation had superior lung function in adolescence, with improved breathing abilities and enhanced cognitive skills. The findings suggest a potential shift in ventilation practices in UK neonatal units.
Researchers found that routine delivery did not decrease maternal complications but increased neonatal respiratory distress syndrome, while expectant monitoring reduced risks in both mothers and babies. The study suggests that expectant monitoring should be considered for women with hypertensive disorders between 34-37 weeks of pregnancy.
A study finds that 77 percent of spinal cord injury survivors have symptomatic sleep-disordered breathing, while 92 percent experience poor sleep quality. The nature of sleep apnea in these patients is complex, with a high occurrence of both obstructive and central sleep apnea events.
A new video training from the Boston University School of Medicine provides expert guidance on endotracheal extubation techniques. The video aims to improve early removal of breathing tubes, reducing complications and improving patient outcomes.
A study by University of Utah researchers found that monitor lizards have a mostly one-way, looping air flow in their lungs, challenging previous notions about the function of this breathing pattern. The discovery raises questions about the evolutionary origins of this unique pattern, which may be as old as 270 million years.
Researchers investigated sleep breathing in quadriplegic patients and found a significant correlation between spinal cord injury level and sleep-disordered breathing. Those with cervical SCI were more likely to have central sleep apnea, which can be life-threatening if left untreated.
A new study published in Experimental Physiology found that women exhibit greater shortness of breath when exercising compared to men. The study suggests that this disparity is caused by a stronger electrical activation of the respiratory muscles, specifically the diaphragm, needed to compensate for smaller lungs and airways.
Researchers trained pond snails to forget how to breathe air and found that single stressful events impaired memory, but multiple stresses blocked all learning and memory. The study published in PLOS ONE reveals that stress affects animals' ability to form long-term memories.
Researchers have discovered that meclizine inhibits mitochondrial respiration, leading to reduced cellular oxygen consumption. This finding opens up new applications for the drug in treating diseases such as heart attack, stroke, and neurological disorders.
Researchers have developed a method to accurately measure heart and respiration rates remotely, without physical contact, using a simple video camera paired with complex algorithms. The approach has been tested on humans, mice, pigs, and zebrafish, with high accuracy and reliability.
Researchers at Tel Aviv University found that viral respiratory infections may be behind the seasonal spike in sleep-disordered breathing among children. The study, published in Sleep Medicine, suggests that winter months are when pediatric sleep-disordered breathing worsens, contrary to previous assumptions about asthma and allergies.
Researchers found that choir members' heart rates synchronize when singing in unison, with a direct link between melody and cardiac activity. This effect is similar to controlled breathing exercises, which regulate vagus nerve activity.
Researchers at the University of Liverpool identified a distinctive molecular signature in myoglobin that allows diving mammals to store oxygen. This adaptation enables elite divers like sperm whales to hold their breath for over an hour, while land mammals can only hold theirs for a few minutes.
A recent study published in the Journal of the American College of Cardiology found that obstructive sleep apnea is associated with a significantly higher risk of sudden cardiac death. The study, which followed over 10,700 participants for an average of 5.3 years, revealed that people with sleep apnea were almost twice as likely to exp...
A new, bioresorbable tracheal splint created using 3D printing technology successfully treated a baby with severe tracheobronchomalacia, saving his life. The device was designed and fabricated at the University of Michigan, where it was used to treat Kaiba, a 20-month-old boy who stopped breathing regularly.
A new study found a link between sleep-disordered breathing (SDB) and Alzheimer's disease risk factors in cognitively normal elderly patients. Lean SDB patients showed biomarkers of AD risk, including increased P-Tau and T-Tau levels, glucose hypometabolism, and hippocampal atrophy.