Articles tagged with Lung Injuries
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A recent study by the Pitt/Iowa team reveals that a structural molecule and cellular pump influence pneumonia severity. Excess cardiolipin disrupts surfactant function, leading to tissue damage.
Dr. Gregory Downey received the Recognition Award for Scientific Accomplishments for his outstanding contributions to respiratory disease research. He has published over 190 papers and is a leading expert in innate immunity, lung injury, and repair.
Researchers used clinical-grade human mesenchymal stem cells (hMSCs) to treat ALI, restoring normal function of alveolar epithelial cells and reducing inflammatory cytokines. The study found that intravenous delivery of hMSCs was as effective as intrabronchial administration in repairing damaged lung tissue.
Adult stem cells from bone marrow have shown promise in preventing and treating acute lung injury by repairing damaged endothelial cells. Researchers found that these progenitor stem cells, named Flk-1 and CD34, can repair lung damage and improve survival when administered to mice with ALI.
Researchers at LSU Health Sciences Center have identified interleukin-17 (IL-17) as a potential therapeutic target to prevent acute lung injury from influenza infection. Blocking IL-17 signaling may reduce inflammation and lung damage, offering new hope for flu-related complications.
Researchers at Johns Hopkins Medicine have identified a distinct set of white blood cells called regulatory T cells that play a crucial role in wound repair after serious lung injury. The study found that these cells can be sped up or slowed down, either aiding or hindering healing in severely damaged lung tissue.
A study published in the American Journal of Roentgenology found that CT angiography can identify diseases and injuries beyond the pulmonary arteries in children. Researchers evaluated 89 CTA exams with suspected pulmonary embolism and found alternative diagnoses in 59% of cases, including pneumonia and atelectasis.
Researchers at Duke University propose that a thrown spear, like one used by modern humans, was the likely cause of a fatal injury to a Neandertal man between 50,000 and 75,000 years ago. The wound's downward angle and lack of significant kinetic energy suggest a projectile weapon was used.
Research found black Americans are nearly twice as likely to develop acute lung injury compared to white Americans, with a higher burden of immune-compromising conditions and greater severity of illness at admission. Despite this, in-hospital mortality rates among patients with ALI did not vary meaningfully by race.
Researchers discovered a gene, EC-SOD, that reduces mortality risk for patients with acute lung injury. The study identified specific SNPs in the gene that decrease inflammation and severity of lung injury.
Researchers identified A2BAR as a potential therapeutic target for acute lung injury, which spontaneously resolves in some individuals. Additionally, human immune cells' secreted proteins enhance the clearance of bacteria by other immune cells, offering a new mechanism for bacterial infections.
A new study suggests that ventilator-induced lung injury still occurs even with lower breath volumes, highlighting the need for more accurate assessments of lung stress and strain. The researchers recommend routine assessment of esophageal pressure and lung volumes to improve patient outcomes.
Researchers at UIC have identified a novel function for an enzyme involved in tissue injury in acute respiratory distress syndrome (ARDS). The finding offers new therapeutic targets for lung inflammation and injury prevention.
A new research project uses computer modeling to look at the best way of using ventilators while minimizing the risk of injury. Real-life data collected from patients will be used to create the models, which could lead to computer management of ventilators for optimal treatment and reduced harm.
Dr. Declan Bates is leading a £1.2m research project to examine how lung injury can be prevented in patients on ventilators and investigate potential targets for cancer treatments. The project will use systems biology and feedback control theory to develop new therapies.
A new study found that a 'lung open ventilation' strategy combining low tidal volumes, recruitment maneuvers, and high PEEP levels reduced the rates of severe persistent low oxygen levels and needed rescue therapies. The study also showed improved lung function and reduced organ failure duration.
A study of 2,471 patients with venous thrombosis found a three-fold greater relative risk associated with minor leg injuries that don't require surgery or extended bed rest. These injuries may increase blood clotting risk due to reduced activity and damage to blood vessel walls.
Patients with acute lung injury treated at ICUs requiring board-certified critical care physicians have a one-third lower mortality rate compared to those at open ICUs. This study, which analyzed data from nearly 1,100 patients, suggests that intensivist staffing improves patient outcomes.
Researchers found a moderate increase in risk of coronary heart disease associated with very low estimated glomerular filtration rate, according to a new prospective study and systematic review published in PLOS Medicine. The study suggests that renal function may be an important factor in the development of cardiovascular disease.
Researchers at Yale University found that Ang2 protein levels are higher in patients with acute lung injury and pulmonary edema. The study suggests that modulating Ang2 levels may help control acute lung injury, offering new potential therapeutic targets.
Researchers at the University of Illinois College of Medicine identified a molecule that plays a critical role in lung tissue recovery following severe injury. The study found that FoxM1, a protein controlling cell proliferation, is involved in endothelial regeneration and barrier integrity restoration.
Researchers discovered that a balance of low tidal volume and periodic deep inflation, or 'sighs,' is necessary to maintain open lungs while preventing ventilation-induced lung injury. The study found that overdoing 'sighs' can lead to further injury, highlighting the importance of finding an optimal frequency range for deep inflation.
Researchers found that a conservative fluid management strategy improved lung function, shortened mechanical ventilation time, and reduced intensive care unit days without increasing organ failure risk. The study suggests that using less fluid may be more beneficial for patients with acute lung injury or respiratory distress syndrome.
Researchers at Columbia University have developed a non-invasive method to measure beta cell mass in diabetic rats using positron emission tomography (PET)-based quantitation of pancreatic radiolabeled VMAT2 receptors. This method has the potential to study the pathogenesis of diabetes and monitor therapeutic interventions.
A recent study found that COX-2 and LXA4 play a crucial role in the resolution of acid-induced lung injury. The cellular inflammatory regulators were shown to induce proliferation of basal airway epithelial cells and reduce inflammation, promoting restoration of the damaged layer of cells.
A study in children with moderate to severe allergic asthma found that measuring nitric oxide levels in the breath can determine the most effective inhaled corticosteroid dose. The results showed a significant reduction in inflammation level compared to symptom-based treatment. Additionally, an increase in a specific stem cell subtype ...
The University of California, Santa Barbara, has been awarded a $12.5 million grant to develop nanoscale systems for early diagnosis and treatment of vascular diseases. Led by Professor Craig Hawker, the team will use nanoparticles as carriers for diagnostic systems and therapeutic agents.
A study analyzing US lung transplant data between 1994 and 2002 found that female recipients experienced a 60% increased risk of primary graft dysfunction compared to male recipients. This condition can lead to severe lung injury, high mortality rates, prolonged hospital stays, and other serious complications.
Researchers found that high oxygen levels can weaken a protective mechanism triggered by hypoxia, leading to increased lung damage. The study suggests that therapeutic activators targeting the A2AR signaling pathway may mitigate these effects.
Researchers have identified Foxa2 as a master gene controlling lung development and function at birth. The absence of Foxa2 leads to respiratory distress syndrome and death, highlighting its crucial role in stabilizing surfactant production.
A study found that furosemide inhalation alleviated severe breathlessness in patients with moderate to severe chronic obstructive pulmonary disease (COPD). Additionally, researchers developed a new model for neonatal bronchopulmonary dysplasia (BPD) using nasal continuous positive airway pressure (nCPAP) therapy.
Dr. Peter Ward, a renowned U-M pathologist, has received the American Thoracic Society's highest honor for his pioneering research on inflammation and lung biology. His work has significantly broadened the understanding of lung health and disease, influencing the career development of many clinicians and scientists worldwide.
Scientists at Northwestern University have discovered an enzyme that makes endothelial cells in the lungs susceptible to injury during periods of inflammation. They developed an experimental MLCK inhibitor, which protected normal mice from lung injury when exposed to bacterial toxin and ventilator-induced stress.
A new Composite Physiologic Index (CPI) effectively tracks pulmonary fibrosis in patients and provides a more accurate prognostic indicator for interstitial pneumonia. Additionally, researchers explore the potential of stem cells to treat acute lung injury and its severe form, ARDS.
Researchers found that lung injuries among mice lacking CD44 receptors developed inflammation that persisted until the receptors were restored. The study suggests a vital link between the CD44 receptor and the body's healing process.
Researchers have discovered a new antibody treatment that prevents severe lung injury in premature babies without using steroids, which can stunt brain cell growth. The treatment, anti-CINC-1, blocks the action of white blood cells and reduces inflammation, promoting normal lung development and function.
A new study finds that critically injured patients who arrived at trauma centers via private transportation had similar mortality rates, hospital stays, and complications as those transported by emergency medical services (EMS). However, they tended to arrive at the center more quickly following injury, which was associated with better...
Researchers found that using smaller mechanical breaths reduces deaths from acute lung injury and acute respiratory distress syndrome. The study showed a 22% decrease in mortality rates, giving acutely inflamed lungs a better chance of healing.