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Tag: "airway" at biology news

Snoring in children might be an allergic type disease

...seen as being caused by anatomical problems in the airway or obesity. But in children it seems that snoring is much more closely related allergy and inflammation”. “Our data hopefully contribute to a clinician’s ability to effectively spot snoring in pre-school children in order to identify potentially m...

Longer treatment benefits sleep apnea patients

...tly from longer nightly use of continuous positive airway pressure (CPAP), a device to improve breathing dur... sleep apnea, a common disorder in which the upper airway is intermittently narrowed during sleep, causing breathing to be difficult or even completely blocke...

'Virtual autopsy' helps identify drowning as cause of death

...omparable to conventional autopsy in demonstrating airway froth and sediment that are indicative of drowning. "Our findings show that MDCT can be used either to facilitate or reduce the need for conventional autopsy when drowning is the suspected cause of death," said lead author Angela D. Levy, M.D., fr...

Study offers clues to 'Broken Heart Syndrome'

...ilure. They may require advanced life support with airway management and medications to support blood pressure." In fact, based on symptoms, electrocardiographic (ECG) tracings, and blood tests for heart damage, it often seems as if the patient is having a heart attack. The mystery deepens in the cardiac...

Soft-cell approach cuts animal tests

... inhaled chemicals to reach other organs, relevant airway cells and lung cells are a major focus for inhalation studies. The advantage of using human cell lines and cultures is that the researcher can study toxicity mechanisms at the molecular/cellular level at an earlier stage specifically for individu...

Migration played key role in HIV spread in South Africa

...ined the link between short-term marijuana use and airway response. Eleven of the 12 studies found an association between short-term marijuana use and relaxation and opening of the air passages. The study's physiologic data failed to show an association between long-term marijuana smoking and airflow o...

Long-term marijuana smoking leads to respiratory complaints

...ined the link between short-term marijuana use and airway response. Eleven of the 12 studies found an association between short-term marijuana use and relaxation and opening of the air passages. The study's physiologic data failed to show an association between long-term marijuana smoking and airflow o...

Study identifies risk factors for spread of respiratory infections in hospitals

... high flow rate oxygen masks and bi-level positive airway pressure ventilation, increased the risk of the sp...greater when high flow oxygen therapy and positive airway pressure ventilation was used. These lessons can be applied to controlling other respiratory...

White blood cells in lung produce histamine seen in allergies

...t could mean that histamine acts as a link between airway infections and asthma and bronchitis, which are as...attacks. "We hypothesized that an infection in the airway would release histamine from mast cells, and that would be one of the reasons," he explains. To te...

Groundbreaking Canadian asthma study

...ally invasive procedure that reduces the amount of airway smooth muscle that is responsible for the constric.... "We saw that this particular way of treating the airway had a profound effect on the smooth muscle and not much else, Dr. Miller explains. "The amount of sm...

Breathing easy: When it comes to oxygen, a bug's life is full of it

... more than 50 genes controlling various aspects of airway development, has also studied how oxygen-starved cells behave in developing airways. Krasnow’s laboratory is also investigating the development of the mammalian lung using mice. The work is aimed at learning more about human lung diseases and develop...

U of MN researchers turn cord blood into lung cells

...lls are also responsible for helping to repair the airway after injury. "In the future, we may be able to examine cord blood from babies who have lung diseases, such as cystic fibrosis, to do more research to understand how these diseases evolve as well as to develop better medical treatments," said Davi...

Monoclonal antibody reduces exacerbations in asthmatics

... have also shown improvements in lung function and airway hyperresponsiveness." During the study, 13 of the 18 patients on placebo (72 percent) experienced exacerbations, as compared to only four out of 14 patients (29 percent) on infliximab therapy. All patients in the study cohort continued to use inhal...

Hopkins scientists link immune response to 'ghost' parasites and severely congested sinuses

...we could potentially have new treatments for these airway diseases of the lung and nose," says Lane. New therapies are needed, he says, as an alternative to long-term steroids, which block the inflammatory chemical pathway but also have debilitating side effects, including loss of bone density, cataracts ...

Common cold virus leads to death in lung transplant patients

...g the long-held belief that HRV affects only upper airway tissue. The research appears in the second issue ...tients with asthma and other patients with chronic airway disease are unusually susceptible to rhinovirus infection leading to increased rates of exacerbation...

Chemical in many air fresheners may reduce lung function

...osure. FEV1 is a commonly used index for assessing airway function and obstruction. The researchers assessed the influence of other factors in an individual's environment that may be related to pulmonary function and to 1,4-DCB exposure, such as type of heating, use of wood fires, age of house, presence ...

New method enables gene disruption in destructive fungal pathogen

...ia are involved in the development of such chronic airway diseases as asthma, allergy and chronic rhinosinusitis. Gene disruption methods could help in identifying molecules from the fungus that trigger inflammatory and other types of immune responses in humans. By understanding how fungi modulate immune re...

Scientists discover basic defect in cystic fibrosis airway glands

...nable to aid in fluid secretion in cystic fibrosis airway glands. The second explanation is that the glands...rosis. "We previously showed that cystic fibrosis airway glands have defective gland secretion in response to certain drugs," explains Joo. "The results of ...

New nano-canary in the nanotoxicology coalmine: The body itself

...validating particle deposition models. Atlases of airway geometries and functional characteristics are also being constructed to facilitate analyses of variability, reduce uncertainties in animal to human extrapolations and contribute to a more quantitative representation of environment-disease interaction...

Group proves it's possible to grow new lung alveoli by growing new blood vessels

...e a disease that is traditionally thought of as an airway disease--could be tested clinically in people. ...

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