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SARS-CoV-2, a plus-sense single-stranded RNA virus, is the etiologic agent of COVID-19. After an incubation period, which typically lasts for 5-6 days, COVID-19 patients present with a mild illness that lasts for a few days. Common symptoms are reminiscent of the flu, and include fever, dry cough
There is currently no data on the natural history of unexplained chronic hypereosinophilia (HE) and hypereosinophilic syndromes (HES). Clinical practice shows that HE/SHE patients can present 4 evolutionary profiles:
A. a single flare-up of their disease, with favourable evolution spontaneously or
Allergic asthma (AA) is the most commonly encountered respiratory disease in children and adults in the United States and is a leading cause of morbidity worldwide. Among the most disruptive expressions of disease in AA is acute asthma exacerbation. The Center for Disease Control (CDC) lists ambient
BACKGROUND:
Allergic asthma (AA) is the most commonly encountered respiratory disease in children and adults in the United States and is a leading cause of morbidity worldwide. Among the most disruptive expressions of disease in AA is acute asthma exacerbation. The Center for Disease Control lists
Our hypotheses are that there will be different ENO values that correlate with loss of/gain in asthma control and that ENO variability is related to environmental exposures including tobacco smoke and pollen. Our research questions are:
1. Do determine what values or % change in ENO correlates with
Type of study :
This study is a epidemiological observation study type exposed or unexposed to environmental tobacco smoke.
Methods :
The eNO is determined by a method On-line, at a rate expiratory 50 mL / s, using a chemiluminescence NO analyzer, before the allergy assessment (skin tests and assay
EGPA, also known as allergic granulomatosis angiitis, is a systemic vasculitis. EGPA is marked by three distinct symptoms: asthma; eosinophilia, evidenced by an excessive number of eosinophils in the blood and tissues; and vasculitis involving the skin, lungs, nerves, kidneys, and other organs.
BACKGROUND:
Cigarette smoking is recognized as the most important factor in the development of chronic airflow obstruction, yet only a minority of cigarette smokers develop clinical disease. In 1985, interest focused on the role of increased levels of airways responsiveness and atopy as possible