Articles tagged with Respiration
Researchers at Washington University developed a gene chip technology that can distinguish pneumonia from underlying critical illness in patients on ventilators. The method identified changes in 85 genes associated with immune system activation, allowing for early diagnosis and potentially improved recovery.
A study from Johns Hopkins Children's Center reveals alarming delays and lapses in emergency care among first-responders during child cardiac arrests, highlighting the importance of rapid response and basic life-saving techniques.
A study published in the journal SLEEP found that respiratory disturbances during sleep are remarkably common in healthy individuals, particularly in older adults. The prevalence of breathing irregularities increases dramatically with age, even in those without symptoms or signs of obstructive sleep apnea syndrome.
A new study published in the journal SLEEP found that continuous positive airway pressure (CPAP) can effectively treat catathrenia, a rare sleep disorder characterized by involuntary groaning during sleep. The study treated seven female patients with CPAP, resulting in the elimination of the groaning sound in all cases.
Two large-scale studies found no statistically significant difference in survival rates between Chest-Compression-Only CPR and traditional CPR with mouth-to-mouth breathing. This contradicts previous guidelines that recommended interrupting chest compressions for breaths.
A study published in SLEEP journal found a strong correlation between sleep disorders and poor academic performance in teenagers. The Pediatric Daytime Sleepiness Scale (PDSS) was used to measure the impact of sleep-related breathing disorders on teens' grades, with results showing that snoring and apneas were independent predictors of...
Researchers found that caffeine reduced the rates of cerebral palsy and cognitive delay in preterm babies, with only 40% experiencing unfavorable outcomes by age two. The study involved over 2000 premature infants and showed significant long-term benefits of caffeine therapy.
A study published in SLEEP found that a sleep-related breathing disorder, such as central sleep apnea (CSA) or obstructive sleep apnea (OSA), increases heart rate variability in heart failure patients. This association may reflect different pathophysiological mechanisms involved and could potentially inform treatment strategies.
Children diagnosed with breathing disorders show improved sleep quality and reduced hyperactivity after tonsillectomy, according to a study. The surgery also correlates positively with improvements in cognitive function and ADHD symptoms.
A new self-completed instrument, the Cleveland Adolescent Sleepiness Questionnaire (CASQ), measures excessive daytime sleepiness in adolescents. CASQ scores are positively correlated with age and display convergent validity with other surveys, showing promise as a valid measure for clinicians and parents.
Researchers found that Cyprian honeybees mob and kill Oriental hornets through asphyxiation, targeting the hornets' abdomen to block breathing. This new defense strategy allows the bees to adapt to extreme conditions and survive.
Researchers found that nonassociative learning enables rats and mice to adapt to artificial rhythms in mechanical ventilation, reducing the need for sedation. Brain calculus involves mathematical calculations to process and filter information, allowing vital functions to learn and adapt.
University of Michigan scientists are creating nanoparticles that can deliver morphine to wounded soldiers faster and more safely. The goal is to develop tiny drug-bearing particles that a fellow soldier could inject with a pen-like device, even in combat.
Researchers at Johns Hopkins University found that nasal insufflation using a nasal cannula significantly reduced symptoms in patients with obstructive sleep apnea and hypopnea. The treatment, known as TNI, delivered warm, humidified air at a high flow rate, showing marked improvements in patients with both mild and severe disorders.
The AIAA will present several awards at the upcoming conference, including the Wyld Propulsion Award to Frederick Boorady for his contributions to liquid propulsion technologies. The Ground Testing Award will be given to Frank Steinle for his work in experimental aerodynamics and ground testing.
A randomized controlled trial shows that the Papworth breathing technique can reduce asthma symptoms by a third, with improvements also seen in mental health outcomes. The technique, which involves diaphragmatic breathing and relaxation exercises, has no significant impact on lung function.
A study found that CPAP treatment significantly reduces nocturnal awakenings and improves oxygenation in adults with Alzheimer's disease and sleep-related breathing disorders. The therapy also increases deep sleep levels, leading to improved quality of life.
A new UCLA study used fMRI to capture detailed pictures of the human brain's response to inhaling pure oxygen. The researchers found that adding carbon dioxide to the gas mix calms the hypothalamus and slows the release of dangerous chemicals, preventing lasting damage.
A new study found that a two-step sedation and ventilator weaning protocol, called 'wake up and breathe,' allows patients to come off the ventilator faster. This results in reduced ICU stays and improved patient outcomes.
A new study has found that sleep apnea significantly increases the risk of heart attack or death over a period of four to five years. Researchers followed 1,123 patients with sleep apnea for five years and found that those with more severe symptoms were at higher risk of developing heart disease.
Research finds patients with sleep apnea have a higher risk of developing diabetes, independent of other factors. The severity of sleep apnea is also associated with the risk, highlighting the need for further investigation into treatment options.
Research found that practicing Qigong helped chronically ill people reduce stress levels and cope with stigmatization during the SARS crisis. The study showed that Qigong provided a way for them to feel more in control of their health and connect with others who shared similar experiences.
A study published by the American Academy of Sleep Medicine found that men who consume more alcohol have a higher risk of sleep-related breathing disorders. For each additional drink per day, the risk increases by 25%. The study suggests that men should avoid drinking before bedtime to minimize the risk.
Gérard Férey and his team at Institut Lavoisier have discovered a new family of trivalent metal dicarboxylates with unprecedented respiration properties, exceeding 300% volume variation upon solvent immersion. These crystalline solids possess reversible respiration mechanism without apparent bond rupture.
Researchers found that proteorhodopsin helps bacteria supplement energy when respiration is impaired. When exposed to light, these bacteria can use solar power to carry out vital life processes.
Researchers found that resistance-breathing training and endurance respiratory muscle training improved swimming endurance by 33-38% and breathing capacity. The study also showed significant improvements in underwater scuba swimming time by 66%.
The Human Performance Laboratory at FSU assesses how stress impacts critical decision-making skills, using medical simulation rooms and various tests. The research aims to develop new training protocols that prepare people to make life-or-death decisions under pressure.
A study found that pre-operative inspiratory muscle training significantly improves lung function and decreases the incidence of postoperative pulmonary complications, including pneumonia. Patients at high risk of developing PPCs who underwent CABG surgery showed a 48% reduction in PPCs and 60% decrease in pneumonia after receiving IMT.
A computer-driven system can reduce mechanical ventilation time by 50% and ICU stay by 20% compared to traditional physician-controlled weaning. The system uses automated gradual pressure support reduction, spontaneous breathing trials, and incentive messages to ensure patient readiness.
A recent study published by the American Heart Association found that children with high blood pressure are at risk for sleep breathing disorders. Researchers discovered that 60% of hypertensive children had sleep disordered breathing, which can lead to daytime fatigue, poor school performance, and increased blood pressure.
Individuals with sleep-related breathing disorders are significantly more likely to develop depression, especially those with moderate or worse disorders. The study found a dose-response association between sleep-related breathing disorder and depression, suggesting a causal link between the conditions.
Researchers discover that bacteria prefer larger nanoparticles to smaller ones for efficient metal reduction. The study reveals a 10-fold difference in bioreduction rates among particles of similar shape but different sizes, with larger particles being reduced faster than smaller ones.
Researchers at Mayo Clinic have identified a new type of sleep apnea called complex sleep apnea, which is a combination of obstructive and central sleep apneas. Complex sleep apnea patients often appear to have obstructive sleep apnea but do not fully respond to CPAP machines.
A recent editorial in The Lancet suggests that asthma may not be a single disease entity but rather a collection of symptoms with varying triggers and responses. This conclusion is based on the lack of understanding about what triggers inflammation in the airways, leading to the condition.
A recent study published by the American Heart Association found that severe sleep apnea significantly increases the risk of ischemic stroke in older adults. The study analyzed data from over 390 participants aged 70-100 and discovered that those with severe sleep apnea were 2.5 times more likely to experience a stroke.
In a study by Udo Groeger and Lutz Wiegrebe, vampire bats were taught to associate different human breathing patterns with cattle blood dispensers. The bats demonstrated the ability to recognize clips of humans breathing at rest and during physical strain, while human participants struggled to do so.
A double-blind randomized controlled trial found that two breathing techniques can reduce reliance on medication and improve quality of life for adults with mild asthma. Participants experienced an 86% decrease in reliever medication use over a period of eight months.
Patients with severe sleep-disordered breathing have a higher prevalence of arrhythmias, particularly atrial fibrillation and nonsustained ventricular tachycardia. The study found that individuals with SDB are more vulnerable to nocturnal cardiac arrhythmias and sudden death.
Researchers found that children with at least one parent who snores frequently are more likely to develop allergies and snore themselves. The study suggests early detection is crucial to prevent morbidity due to untreated obstructive sleep-disordered breathing in young children.
A new study published in the American College of Chest Physicians journal found that infant snoring is strongly linked to parental snoring. Children born to atopic parents are nearly three times more likely to develop habitual snoring, highlighting the importance of early detection and treatment.
Researchers found that short-term yoga practice significantly improved chest wall expansion and lung function in young, healthy adults. The study suggests that yoga may benefit people with illnesses affecting breathing, such as asthma.
A study by University of Arizona researchers found that prenatal nicotine exposure reduces the ability of newborns to respond to low blood oxygen, leading to prolonged and potentially lethal apneas. The study used a pump implant to simulate nicotine exposure in pregnant rats, mimicking the situation observed in smoking pregnant women.
A new study found that children with behavior and sleep problems were more likely to have improved symptoms after undergoing tonsillectomy. The research suggests a link between sleep-related breathing problems and daytime behavior issues, but notes that the procedure is not a cure-all for ADHD.
The typical pregnancy duration has decreased to 39 weeks, leading to a rise in late preterm births. Late preterm infants face increased risks of breathing problems, feeding difficulties, and reduced brain development compared to full-term babies.
Researchers found that serotonin levels in pacemaker cells are crucial for gasping and auto-resuscitation in babies. Disturbed serotonin levels can lead to a decrease in gasping, making it difficult for the baby to wake up and initiate movement.
A study published in Pediatrics found that children who underwent surgery for obstructive sleep-disordered breathing (OSDB) due to enlarged adenoids experienced a significant increase in excess weight, averaging 13% over 12.6 months. This weight gain may be linked to reduced motor activity and poor sleep quality after the surgery.
Patients who chewed sugarless gum three times a day experienced shorter hospital stays (4.3 days vs. 6.8 days) and earlier gas passage and first bowel movements compared to control groups. Chewing gum may stimulate the gastrointestinal tract, promoting hormones that activate bowel motility.
A subset of brain cells with pacemaking abilities has been identified as essential for gasping in infants, resolving a 15-year-old controversy. The discovery highlights the importance of autoresuscitation and gasping in maintaining oxygen supplies and heart rate during critical low-oxygen conditions.
A new study reveals that plant metabolic rates are driven by nitrogen content, which has significant implications for understanding the global carbon cycle. By estimating nitrogen content, scientists can model plant metabolism and better assess the global plant metabolic rate.
Researchers identify the breathing center in the medulla as the source of erratic breathing in Rett Syndrome, finding a significant decrease in norepinephrine. Adding norepinephrine can normalize breathing patterns, suggesting potential treatment options for the condition.
Researchers discover that disturbances in norepinephrine levels lead to breathing problems in RTT mice. Increasing norepinephrine helps normalize breathing patterns, suggesting a potential therapeutic approach for the disorder.
A long-term study found that individuals with moderate to severe sleep-disordered breathing have a significantly increased odds of suffering a stroke over the next four years. The study analyzed data from 1,475 participants and revealed that 21 people suffered their first-ever stroke at an average age of 53.
A new study challenges traditional beliefs about morphine's impact on breathing difficulties in dying patients. Contrary to the long-held notion that morphine hinders breathing, researchers found that controlled doses of morphine can actually prolong life by slowing down breathing and reducing panic. This shift in understanding is bein...
Research on 24 young men and women found that faster music speeds up breathing and circulation, while slower music decreases heart rate. Musicians experienced a stronger effect due to their ability to synchronize breathing with musical phrases.
The Mayo Clinic has developed a new coma measurement system called the FOUR Score, which quantifies the level of consciousness and severity of brain injury. The score, tested in 120 intensive care unit patients, provides more precise measurements and higher agreement between evaluators than the Glasgow Coma Scale.
Researchers at UCLA discovered a link between nighttime death and sleep apnea caused by the loss of brain cells. Studies in rats suggest that the human brain also loses specialized neurons responsible for breathing during sleep, leading to severe breathing disruptions.
Researchers found a significant risk factor for early respiratory failure following stem cell transplantation: patients with low lung function test scores prior to treatment. The study analyzed 2,852 patients who received allogeneic transplants between 1990 and 2001.
The majority of ALS patients were never depressed during the study period, with only eight percent experiencing depression. Despite approaching death, people's attitudes towards life did not become more negative.
A new study reveals severe tissue injury in the brains of children with CCHS, disrupting cardiovascular function and breathing control. Researchers hope to develop new strategies to help the brain compensate for the injury, including injecting nerve growth factors.
A new study of 229 children found that regular snoring in childhood is linked to an increased risk of developing hyperactive behavior. The study also found that other symptoms of obstructive sleep apnea, such as daytime sleepiness, can predict future behavior problems.