Children exposed to cats, dogs, goats, cockroaches, and rats while in utero were more likely to develop asthma.
Changing to bronchodilator treatment with a metered dose inhaler in patients with mild to moderate asthma resulted in lower hospitalization rates, shorter hospital stays, and a decrease in continuous use of albuterol.
Total serum bilirubin levels of 9 to 11.9 mg/dL, 12 to 14.9 mg/dL, and 15 to 17.9 mg/dL were associated with significantly greater risks for asthma in infants.
Bronchial thermoplasty reduced gas trapping in individuals with asthma, particularly in patients with severe disease.
A higher number of acute respiratory infections before the age of 2 may increase the risk for asthma by age 7.
For every 10-fold rise in methyl and propyl concentrations, there was a 2.61 and a 2.18 increased prevalence odds ratio, respectively, of reporting an emergency department visit in the last 12 months in boys with asthma.
Smoking cessation in patients with asthma is associated with reduced symptoms, improved lung function and quality of life, reduced use of rescue medications, improved airway hyperresponsiveness, and decreased hyperactivity.
Cockroach and mouse allergies were most often associated with poorly controlled asthma and exacerbations in urban adolescents.
Although allergic sensitization and hay fever rates increased as children grew older, the rates of asthma dropped.
In a population of primarily Latino children from low-income households, a program of school-supervised use of once-daily inhaled corticosteroids failed to improve asthma control.