Track topics on Twitter Track topics that are important to you
In the U.S., morbidity associated with human rhinovirus (RV) infection represents a major health problem. In asthmatics, up to 80% of asthma exacerbations are associated with upper respiratory infections. Despite evidence that environmental oxidant pollutants, such as ozone, may increase the severity of viral disease, the mechanisms underlying such an effect have not been identified. This study will test the hypothesis that exposure of allergic asthmatic subjects to ambient levels of ozone directly enhances viral disease by increasing infectivity and intensifying virus-induced inflammation.
In mild asthmatics, the study will investigate: (1) if exposure to ozone will enhance the viral infective process in the nasal epithelium, (2) the effect of ozone exposure on RV-induced inflammatory gene expression, mediator release and inflammatory cell influx into the upper and lower airways, and (3) the interactive effects of ozone and RV on airway reactivity. This information will improve our understanding of the risk associated with oxidant pollutant exposure in this population of individuals in whom RV infection may represent a significant health concern.
Time Perspective: Prospective
The Johns Hopkins School of Hygiene and Public Health
National Institute of Environmental Health Sciences (NIEHS)
Published on BioPortfolio: 2014-08-27T03:57:01-0400
To assess the separate and interactive effects of asthma severity, subspecialty practice variation, asthma-related psychosocial variables, and other factors on asthma outcomes, including a...
It is important for people with asthma to become involved in their asthma care and management. This study will evaluate an interactive Web site that provides tailored feedback and informat...
Families of children with asthma are admitted for asthma attacks very frequently compared to adults with asthma. They are given education about asthma but studies are needed to improve thi...
The purpose of this study is to determine if teaching children with asthma how to talk to their doctor about controlling their asthma including symptom frequency in an asthma diary and med...
This study aims to evaluate the asthma control status, asthma symptoms (severity, frequency, and limitations on activities, etc.), QOL, and use of drugs for asthma attack in adult asthma p...
Menopausal asthma is considered a distinct asthma phenotype. Our aim was to identify potential specific features of asthma in postmenopausal women in a cohort of Polish females.
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...
To assess the impact of occupational exposure to irritants or sensitizers on the occurrence, recrudescence and worsening of asthma and to identify unrecognized cases of work related asthma (WRA) inclu...
Many asthmatic women of childbearing age experience cyclical aggravation of asthmatic symptoms during the perimenstrual period, or perimenstrual asthma (PMA). PMA is considered to be a difficult-to-tr...
A stepwise therapeutic management is recommended for asthma patients by the Global Initiative for Asthma (GINA). Little is known about the recommendations applied in real world settings. This study ai...
Asthma attacks caused, triggered, or exacerbated by OCCUPATIONAL EXPOSURE.
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).
Drugs that are used to treat asthma.
A beta-adrenergic agonist used in the treatment of asthma and bronchospasms.
A beta-2 adrenergic agonist used in the treatment of ASTHMA and BRONCHIAL SPASM.
Antiretroviral Therapy Clostridium Difficile Ebola HIV & AIDS Infectious Diseases Influenza Malaria Measles Sepsis Swine Flu Tropical Medicine Tuberculosis Infectious diseases are caused by pathogenic...
Within medicine, nutrition (the study of food and the effect of its components on the body) has many different roles. Appropriate nutrition can help prevent certain diseases, or treat others. In critically ill patients, artificial feeding by tubes need t...
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...