منابع مشابه
The Natural History of Asthma
As our understanding of underlying mechanisms evolve disease definitions are adapted and refined. For example, until recently, one of the main distinctions between the definition of asthma and COPD was the presence or absence of reversible airflow obstruction. As greater advances are made in understanding pathology, newer and better definitions encompass the overlap that exists between these tw...
متن کاملPrognostic bases of asthma. Natural history?
Different causes of asthma have been established. The most common cause is conditioned to a genetic predisposition towards atopy (atopic asthma), although other factors can also give rise to bronchial inflammation, such as over-exposure to environmental irritants (occupational asthma), altered arachidonic acid metabolism (aspirin-induced asthma) and also exercise - in which different thermal an...
متن کاملThe natural history of asthma in childhood.
The incidence and prognosis of childhood asthma and wheezing illness (AW) was studied using data obtained at ages 7, 11, and 16 from a national cohort of 8806 children born in 1958. By the age of 16, 24.7% were reported to have experienced at least one episode of AW. In 18.3% AW had started before the age of 8, but only 4.2% continued to have symptoms in later childhood. A further 3.6% began to...
متن کاملCross-sectional observations on the natural history of asthma.
BACKGROUND Asthma is a major health care problem that affects all ages. It is uncertain whether asthma is a single clinical entity or a grouping of separate clinical syndromes that share a common set of treatment guidelines. AIM To observe the symptoms, treatment step, and health service utilisation of a population of patients throughout the United Kingdom (UK) listed on an asthma register. ...
متن کاملNatural history of asthma in childhood--a birth cohort study.
A cohort of 67 babies at risk of developing atopic disorders was followed up prospectively for 11 years. Clinical assessment and skin prick allergen sensitivity testing were performed annually over the first five years. At 11 years the cohort was restudied, symptoms were assessed by questionnaire, and bronchial reactivity (BHR) to histamine was measured. On the basis of skin testing, 35 childre...
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ژورنال
عنوان ژورنال: BMJ
سال: 1949
ISSN: 0959-8138,1468-5833
DOI: 10.1136/bmj.2.4633.897