Articles tagged with Respiratory System
Researchers have found that Prevotella melaninogenica can survive in the presence of oxygen, challenging a long-held assumption about its obligate anaerobic nature. The study also reveals new insights into the bacteria's ability to consume oxygen and deal with oxidative stress.
Objective physical fitness assessments reveal a graded association between balance, agility, strength, and cardiorespiratory fitness with reduced all-cause mortality. This study suggests integrating fitness assessments into routine practice may improve risk stratification and guide function-oriented interventions.
This cross-sectional study found that melatonin use was associated with a small reduction in REM sleep percentage, but not with differences in total sleep time or other sleep stages. The study suggests that further research is needed to clarify the effects of melatonin on children's sleep.
A new study found that children preparing for stem cell transplantation already have subtle respiratory abnormalities, including increased small-airway resistance and greater lung stiffness. These abnormalities are likely related to their underlying disease or previous therapies rather than the transplant itself.
Researchers discover soy-derived LPC70 promotes organ-specific, receptor-dependent PG signaling to counteract HS-induced cardiovascular and cognitive abnormalities. LPC70 enhances AA utilization, promoting AA-derived PG production under HSD conditions.
Researchers found perilla oil supplementation significantly prolonged platelet function and reduced inflammation in healthy smokers. The study also showed increased levels of omega-3 fatty acids and antioxidants in the body.
Aging cells become more susceptible to ferroptosis due to elevated levels of acid ceramidase, a previously targeted therapeutic candidate. This vulnerability can be passed to neighboring cells, impacting overall tissue health. The discovery offers new hope for supporting healthy aging and treating age-related diseases.
The Pulmonary Embolism Reporting and Data Systems (PE-RADS) framework provides a simple, 0-4 grading scale for classifying acute pulmonary embolism using CT and MR angiography. The system aims to improve communication and patient care with standardized terminology and risk stratification.
Exposure to even moderate levels of multiple air pollutants during critical stages of pregnancy may increase the risk of preterm birth. The study found that a mixture of ozone and fine particulate matter posed the strongest relationship to early preterm birth.
A study led by Erica Heinrich highlights a critical gap in detecting and treating breathing discomfort or dyspnea in ventilated patients. Dyspnea is often hard to recognize, but carbon dioxide levels may be more significant drivers of breathlessness than oxygen levels.
Researchers at Children's Hospital of Philadelphia developed a novel method using decellularized cartilage with patient-specific cells to enlarge pediatric airways narrowed by severe subglottic stenosis. The new technique is faster, more effective, and better tolerated than current standard grafts.
A team of researchers at CHOP has created a novel method to engineer personalized cartilage grafts for infants with severe subglottic stenosis. Using decellularized meniscal cartilage with patient-specific cells, the new technique overcomes issues associated with standard grafts, such as donor site morbidity and delayed timelines.
Children's Hospital Colorado has pioneered a groundbreaking approach to treating cystic fibrosis before birth, resulting in reduced NICU stays and improved pancreatic function. The pioneering care model uses ETI therapy to improve lung health and offers seamless continuation of treatment after birth through breast milk.
A new study suggests that an earlier first sexual intercourse may be associated with a less favorable multidimensional aging profile, including shorter longevity and higher frailty. The researchers found that genetic differences in early sexual debut were linked to poorer health outcomes later in life.
Experts from Mount Sinai will present a new AI model that predicts lung nodule risk and assesses the impact of air pollution during pregnancy. The researchers also explore cognitive consequences of sleep-disordered breathing and reevaluate asthma guidelines to integrate both conditions.
Researchers found that smoking substantially stiffens human lung parenchyma, making breathing progressively difficult. The study provides detailed mechanical data for human lungs, which may improve ventilator design and surgical planning tools.
Researchers found a protein called RAB5c that helps white blood cells kill Aspergillus fumigatus, a common airborne fungus. Without this protein, immune cells are disarmed despite attacking at full force. The discovery could lead to new treatments for patients with weakened immune systems.
A new study finds that pregnant women with low levels of a specific fatty acid molecule are more likely to have children with childhood asthma. The researchers also found that children of these mothers are more prone to respiratory infections and altered lung microbiomes.
A new CRRT prediction model for AKI following lung transplantation identifies high-risk patients post-LTx, supporting timely intervention. The model integrates preoperative, intraoperative, and early postoperative indicators to estimate CRRT risk.
A long-term study found children living near the Salton Sea have slower lung function growth, with effects comparable to freeway exposure. The researchers controlled for various factors and found that dust exposure was linked to lower lung capacity, suggesting potential long-term health implications.
A retrospective study of 40 immunocompromised ICU patients found associations between low CD4+T-cell counts and specific lung pathogens. Patients with severe CD4 depletion had higher proportions of fungal infections, while moderate immunosuppression was linked to Streptococcus pneumoniae.
Researchers have created an artificial lung system that temporarily replaced a patient's lungs' functions, allowing him to survive for 48 hours until a double lung transplant was available. The study shows that this approach may serve as a life-saving bridge to transplantation, providing new hope for those with severe respiratory condi...
TBX4 plays a central role in regulating mesenchymal-epithelial communication during organogenesis. It also has significant implications in respiratory medicine, orthopedics, and oncology.
A new study identifies fatty acid elongase ELOVL5 as a key promoter of inflammation resolution in the lungs. The research reveals that ELOVL5 works through a dual mechanism to dampen inflammatory pathways and generate pro-resolving lipid signals.
The study demonstrated that nebulized HL231 at 261 µg/141 µg dose achieved comparable bronchodilation efficacy, pharmacokinetic profiles, and safety outcomes to Ultibro. HL231 showed a clear dose-response relationship with predominantly mild-to-moderate adverse events.
A systematic review and meta-analysis of ECMO in ARDS patients found a mortality rate of 48% and identified key predictors including patient age, BMI, SOFA score, and treatment parameters. The study highlights the need for standardized ECMO guidelines tailored to specific ARDS subgroups.
Researchers found that tubeless anesthesia significantly reduces postoperative complications, promotes enhanced recovery, and lowers costs in selected patients. The study also showed improved respiratory function and reduced intubation times.
Researchers discovered that woodpeckers brace their head, neck, abdomen, and tail muscles to hold their bodies rigid while pounding on wood. The birds synchronize their breathing with each impact, like ace tennis stars grunting noisily to stabilize core muscles.
Researchers at UC Riverside discovered that two toxic chemicals can form when propylene glycol is heated, harming human lung cells. The chemicals, methylglyoxal and acetaldehyde, disrupt cell functions and cause damage even at low levels.
The American College of Chest Physicians has designated October 19, 2025, as 'Love Your Lungs Day' in recognition of respiratory health. This initiative aims to raise awareness about lung diseases such as asthma and COPD, promoting equity and supporting healthcare providers.
A £1.55m study examines the effect of long-term vaping on respiratory health in 200 healthy smokers and non-smokers. The research aims to provide insight into vaping's biological effects on lung cells, immune cells, and airway microbiome.
A study found that people whose fathers began smoking at age 15 or younger show signs of faster biological aging compared to chronological age. This accelerated aging is linked to a higher risk of diseases such as cancer, arthritis, and dementia. The researchers call for stronger efforts to prevent tobacco use in teenagers.
Purdue researchers found that heat-based hair care routines release significant amounts of airborne nanoparticles, posing serious health risks. The team's study reveals that using typical store-bought hair care products can expose individuals to upward of 10 billion nanoparticles in a single session.
Scientists developed a new 4D optical coherence tomography technique that measures airway wall elasticity in under 42 seconds, enabling detailed assessment of respiratory tissue mechanics. This faster approach may help diagnose and monitor upper airway disorders, assess injury, and guide treatment decisions.
A multi-institutional team has proposed updates to national guidelines to remove race-based assessments from lung function testing. The authors highlight the need for a more equitable evaluation system, warning against overreliance on objective cutoff-based criteria. Several healthcare systems have already shifted to race-neutral refer...
Researchers at Kyoto University have created a microphysiological system capable of simulating different regions of human lungs, including the airway and alveoli. This breakthrough enables accurate modeling of viral pathologies and holds promise for personalized treatment of respiratory diseases such as COVID-19.
The BathMat clinical trial evaluates an innovative inflatable pillow designed to make moving intensive care unit patients safer, faster, and less labour-intensive for NHS staff. The trials aim to reduce staff time required for repositioning proned patients and improve patient healthcare outcomes.
Researchers discover iguratimod, a rheumatoid arthritis drug, effectively treats excessive COVID-19 inflammation in mice by maintaining antiviral immune responses. The study provides hope for patients with severe COVID-19-related cytokine storms.
Scientists have developed a new drug delivery system that transports genetic therapies directly to the lungs, slowing lung cancer growth and improving lung function in cystic fibrosis. Researchers created a safe and effective nanoparticle that carries messenger RNA and gene-editing tools to lung cells.
A cohort study of schools found that COVID-19-related decline in youth physical fitness persisted during the pandemic, but not associated with remote or hybrid environments. The reduction was observed in cardiorespiratory and musculoskeletal fitness healthy zone achievement.
A recent study found that Metagenomic next-generation sequencing (mNGS) can detect pathogens in 86% of cases, outperforming conventional microbiological tests which identified pathogens in only 67% of cases. mNGS guides treatment decisions and improves patient outcomes by detecting rare/atypical pathogens.
Traumatic mechanisms and fracture patterns are key risk factors for pulmonary complications in elderly patients with isolated rib fractures. This study found no significant relationship between chronic obstructive pulmonary disease, diabetes, age, or pulmonary complications in these patients.
Researchers evaluated different types of Glasgow Outcome Scale Extended (GOSE) scores among US trauma center patients. They found that GOSE-All scores capture the combined effect of brain and extracranial injuries, while GOSE-TBI scores exclude extracranial injury effects.
A new study published in Annals of Internal Medicine found that AI diagnostic and treatment recommendations were more accurate than those made by physicians in a virtual urgent care setting. In 77% of cases, AI recommendations were rated as optimal, compared to 67% for physicians' decisions.
The HE Breathing ventilation mode has been shown to significantly enhance surgical safety, reduce perioperative mortality, and promote faster recovery in complex airway surgery. By reducing anesthesia time and hospital stays, this innovative technique offers a major advantage over conventional intubated ventilation methods.
Researchers created a fiber computer that can be integrated into clothing to track health conditions and physical activity. The technology achieved an average accuracy of 70% when individually operated, but increased to nearly 95% when connected collectively.
A new study published in Scientific Reports found that a computer-generated breathing coach was perceived as likable and trustworthy by 73% of participants, with 76% finding it easy to use. The researchers aim to investigate the virtual coach using 3D immersive VR technology in future studies.
A new simulator study demonstrates the role of the nasal cavity in dispersing respiratory aerosols, impacting disease transmission. Aerosol dynamics vary depending on exhalation method and environment.
The school aims to implement evidence-based practice and reduce antibiotic misuse in pediatric populations. The PCORI funding will support work with physicians, families, and providers to delay unnecessary antibiotics.
Research from Karolinska Institutet finds that abnormal BMI in children can lead to impaired lung function, but normalizing BMI before adulthood may offset this. The study, which followed over 4,000 children, also found a correlation between low BMI and reduced lung growth.
A recent study presented at the European Respiratory Society Congress found that young vapers performed worse in exercise tests compared to non-vapers and smokers. The research showed that vaping was associated with lower peak exercise capacity, reduced oxygen consumption, and signs of blood vessel dysfunction.
A study published by the European Respiratory Society found that hypertonic saline nasal drops reduced the length of the common cold in children by an average of two days. The treatment also reduced the need for medicines during illness and decreased family members catching a cold.
The review paper examines the scope of people affected by long COVID, ranging from fatigue to cognitive impairment, and current treatment options. Researchers emphasize the need for biomarkers and targeted therapies to address root causes of the disease.
The American College of Chest Physicians has released a new clinical guideline for managing central airway obstruction, providing evidence-based recommendations to guide its management. The guideline emphasizes the importance of shared decision-making and a multidisciplinary approach in optimizing care and improving outcomes.
The American College of Chest Physicians' CHEST Critical Care and CHEST Pulmonary journals have been indexed with the Directory of Open Access Journals (DOAJ), enhancing their open access content's accessibility and usage. The indexation is attributed to strong editorial boards led by Hayley Gershengorn and Matthew Miles.
A novel chemotherapy approach uses patient's own cells as Trojan horses to deliver targeted cancer-killing drugs to lung cancer cells. The method has shown promise in reducing tumor size and improving treatment efficacy with minimal collateral damage to healthy tissues.
The November issue of CHEST journal features cutting-edge research on asthma, COPD, diffuse lung disease, and thoracic oncology. A new guideline provides updated recommendations for patients with stable COPD, while home spirometry is shown to be less consistent than clinic spirometry in monitoring lung function in patients with asthma.
A University of Melbourne research team is developing an oral therapeutic to restore the activity of common antibiotics used to treat community-acquired bacterial pneumonia. The project aims to combat antibiotic-resistant bacteria and reduce healthcare costs, with potential applications in low- and middle-income countries.
A new model developed by Cleveland Clinic researchers can more accurately prioritize patients waiting for a lung transplant, taking into account their disease severity and time on the waiting list. This approach may help reduce waitlist mortality for patients with end-stage lung disease.
The 'Crystal Ribcage' technology enables scientists to study lung function at a cellular level while maintaining physiological processes. This innovation holds immense potential for understanding lung diseases and developing new treatments.