Tag: "airways" at medical news
Laser research yields precision breath analysis tool for asthma diagnosis (treatment)
...hat asthmatics exhale more nitric oxide when their airways
are inflamed, making measurement of its levels the preferred method for determining inflammation severity. At present, nitric oxide levels are measured with devices that analyze chemiluminescence, a photochemical reaction between nitrogen and an ozo...
UCI researchers leading the effort to understand the causes and effects of air pollution
...eathe in more air per pound than adults, and their airways
are more efficient in trapping pollutants. "Because of this, air pollution can affect children up to nine times more harshly than adults," Phalen said. "This study will help us learn to predict how air pollution levels will affect children by what we...
National Jewish receives major grant to study air pollution and asthma
.... When inhaled, they can be deposited in the small airways
of the lung. The researchers will also determine if environmental interventions that decrease PM2.5 exposure, such as air purifiers and HEPA-filter vacuuming, result in sustained improvements in children's lung function. "Our goal is to better under...
Drug developed at Duke appears effective in treating respiratory failure in newborns
...s of molecules called S-nitrosothiols (SNO) within airways
of the lung regulate vessel and airway relaxation ...gas for administration, in order reach the distant airways
within the lungs. The team searched through data banks of known molecules and found that ENO had the...
Virus in babies may cause asthma later on
...'s team examined mice with bronchiolitis inflamed airways
caused by paramyxoviral infection. The mouse dise... inflaming the tissues. Weeks after infection, the airways
of the lung remained extremely sensitive, or hyperreactive, and the airway lining became populated w...
Behavior plays key role in disease development and control, according to 10-year prospective review
...ss, anxiety and sadness. Recent findings show that airways
are just as reactive to psychological state as other physiological conditions. Asthma education programs that teach about the nature of the disease, medications and trigger avoidance tend to reduce the incidence of asthma. Psychological interventions...
American Thoracic Society news tips for June (second issue)
...e disease's principal peripheral site in the small airways
of the lung. He notesthat the medical research community does not understand the pathogenics of COPD, and has not identified the responsible cells and molecules. He said that airway inflammation in COPD isclearly different from that in asthma. In ...
Obesity and smoking increase asthma risk
... due to the fact that women have smaller lungs and airways
than men. The study also found that people in lower socioeconomic groups were 30 percent more likely to have asthma compared with those in higher socioeconomic groups. A state-by-state analysis of asthma prevalence found that overall, asthma prevalen...
Study finds potential danger to workers in food flavoring manufacturing
...terans, a type of lung damage to the lining of the airways
that leads to narrowing of the small airways
and irreversible airway obstruction. There are hundreds of substances used in the food flavoring man...
American Thoracic Society Journal news tips for May (second issue)
...ome of often severe fiber proliferatinginjuries in airways
and small pulmonary blood vessels that eventually affects one-half or more oflong-term lung transplantation survivors.) By analyzing 24 specimens collected from 10 lungtransplant recipients, these investigators were attempting to use quantitative me...
Heartburn surgery helps lung transplant patients
...ndrome (BOS), a progressive disorder in which tiny airways
known as bronchioles become replaced with fibrous scar tissue. BOS is considered to be the main reason why the five-year survival rate for lung transplant patients is only 40 percent. It is little understood and for that reason, there are no effectiv...
Glutathione depletion in chronic alcohol abuse makes lungs vulnerable to life-threatening diseases
...ion from oxidative damage, especially in the small airways
where breathing takes place. The lack of glutathione in the lungs leads to a variety of abnormalities, says Dr. Guidot, including damage to the epithelial cells and fluid that lines the lungs, changes in the barrier function of lung cells and increa...
American Thoracic Society Journal news tips for April (second issue)
...fetus inhales meconium, thesubstance can block the airways
and irritate the lungs. Severe meconium aspiration syndrome produces acute lung disease with rapid onset of persistent pulmonary hypertension. Currentmanagement of persistent pulmonary hypertension of the newborn includes therapies that are targete...
Helium imaging detects emphysema changes in smallest airways of lung
...w changes caused by emphysema even in the smallest airways
of the lung. The technique, known as helium-3 dif...mation also indicates the physical diameter of the airways
and of the alveoli. If a large space is available, the helium molecules can move freely and trave...
American Thoracic Society Journal news tips for April (first issue)
... doctors use to collect specimens from the smaller airways
that cannot be seen through a bronchoscope. Cysti... between the level of pathogens found in the lower airways
and the level of inflammatory cells and mediators. Thestudy appears in the first issue for April of...
Cellular link between sleep apnea and atherosclerosis found
...essure, or CPAP, which delivers air into patients' airways
through specially designed nasal masks. "If the firm binding of white blood cells to endothelial cells in the test tube is what happens in the blood of sleep apnea patients every night, then this may be significant evidence that sleep apnea is ass...
Air pollution causes healthy blood vessels to constrict
...o larger particles, which are trapped in the upper airways
when inhaled, the fine particles travel down to the alveoli, tiny air sacs at the base of the lungs, where they can affect the rest of the cardiovascular system by adversely impacting circulating blood. It is possible that the particles may even dir...
American Thoracic Society Journal news tips for March (first issue)
...III). (COPD involves persistent obstruction of the airways
caused by either emphysema or chronic bronchitis.) In the United States and the industrialized world, these illnesses are caused by smoking. Approximately 17 million people in the U.S. are affected. According to a 1995 survey, approximately 70 per...
American Thoracic Society Journal news tips for February (first issue)
...lects allergic inflammatory responses in the lower airways
when compared with those produced by methacholine. A central hallmark of asthma is nonspecific bronchial hyperresponsiveness (BHR). One of the most prominent underlying factors related to the expression of BHR is ongoing inflammatory processes in t...
Brief exercise improves mental performance in people with chronic lung disease
... frequent upper respiratory infections, restricted airways
and shortness of breath. Once considered taboo for treating COPD, said Emery, doctors now frequently recommend exercise to their patients in order to help control the sy...
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