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This study is aiming at evaluating whether the number and size of exhaled particles changes during the increase and decrease of bronchial constriction in subjects with mild intermittent asthma.
Particle emission demonstrates high reproducibility within subjects while between-subject-variability is large. Methacholine challenge in subjects with mild intermittent asthma will provide data from repetitive measurements in the same subject with variable airflow obstruction.
Intervention Model: Single Group Assignment, Masking: Open Label, Primary Purpose: Basic Science
Enrolling by invitation
Fraunhofer-Institute of Toxicology and Experimental Medicine
Published on BioPortfolio: 2014-08-27T03:14:53-0400
The purpose of this study is to compare the exercise-challenge in a cold chamber at 2-4°C to the gold standard the metacholine challenge in subjects showing symptoms of exercise-induced b...
Background: Increased serum high sensitivity C-reactive protein (hs-CRP) has been associated with airway inflammation in asthma and may serve as a surrogate marker for the presence of airw...
Bronchial hyperresponsiveness consists in excessive response to bronchial stimuli.Bronchial challenge test is used to confirm/exclude asthma (metacholine or histamine).Protection are used ...
The Scottish National and District swimming teams will be screened for asthma and rhinitis using both mannitol challenge and sport-based exercise challenge.
The purpose of this study is to determine the difference (if any) in the result of the methacholine challenge (a test used by physicians in diagnosing asthma) when concentrations of methac...
Hopkins syndrome (HS) is a rare disorder presenting with acute flaccid paralysis of the limbs following an asthma attack. Neurologists encounter a diagnostic challenge if patients without a history of...
Asthma is one of the most common chronic diseases of childhood. For children with persistent asthma, asthma control is largely related to controller medication adherence. With increasing calls for chi...
We investigated whether the therapeutic effects of dexamethasone for allergic asthma and rhinitis were enhanced in mice when exposed to hypergravity. Forty mice were divided into 5 groups (n = 8/group...
Asthma attacks caused, triggered, or exacerbated by OCCUPATIONAL EXPOSURE.
The organization, management, and assumption of risks of a business or enterprise, usually implying an element of change or challenge and a new opportunity.
Undertaking a task involving a challenge for achievement or a desirable goal in which there is a lack of certainty or a fear of failure. It may also include the exhibiting of certain behaviors whose outcomes may present a risk to the individual or to those associated with him or her.
Asthma attacks following a period of exercise. Usually the induced attack is short-lived and regresses spontaneously. The magnitude of postexertional airway obstruction is strongly influenced by the environment in which exercise is performed (i.e. inhalation of cold air during physical exertion markedly augments the severity of the airway obstruction; conversely, warm humid air blunts or abolishes it).
A frequent complication of drug therapy for microbial infection. It may result from opportunistic colonization following immunosuppression by the primary pathogen and can be influenced by the time interval between infections, microbial physiology, or host resistance. Experimental challenge and in vitro models are sometimes used in virulence and infectivity studies.
Pulmonary relating to or associated with the lungs eg Asthma, chronic bronchitis, emphysema, COPD, Cystic Fibrosis, Influenza, Lung Cancer, Pneumonia, Pulmonary Arterial Hypertension, Sleep Disorders etc Follow and track Lung Cancer News ...
Asthma is caused by inflammation of small tubes, called bronchi, which carry air in and out of the lungs. If you have asthma, the bronchi will be inflamed and more sensitive than normal. When you come into contact with something that irritates your...
The term allergy is used to describe a response, within the body, to a substance, which is not necessarily harmful in itself, but results in an immune response and a reaction that causes symptoms and disease in a predisposed person, which in turn can cau...