Asthma outcomes: exacerbations.

Asthma outcomes: exacerbations.
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DOI:
10.1016/j.jaci.2011.12.983
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发表时间:
2012-03
期刊:
The Journal of allergy and clinical immunology
影响因子:
--
通讯作者:
Blaisdell C
Blaisdell C
中科院分区:
其他
文献类型:
--
作者:
Fuhlbrigge A;Peden D;Apter AJ;Boushey HA;Camargo CA Jr;Gern J;Heymann PW;Martinez FD;Mauger D;Teague WG;Blaisdell C

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The goals of asthma treatment include preventing recurrent exacerbations. Yet there is no consensus about the terminology for describing or defining “exacerbation,” or about how to characterize an episode’s severity. National Institutes of Health (NIH) institutes and other federal agencies convened an expert group to propose how asthma exacerbation should be assessed as a standardized asthma outcome in future asthma clinical research studies. We utilized comprehensive literature reviews and expert opinion to compile a list of asthma exacerbation outcomes, and classified them as either core (required in future studies), supplemental (used according to study aims and standardized), or emerging (requiring validation and standardization). This work was discussed at an NIH-organized workshop in March 2010 and finalized in September 2011. No dominant definition of “exacerbation” was found. The most widely used definitions included 3 components, all related to treatment, rather than symptoms: (1) systemic use of corticosteroids, (2) asthma-specific emergency department visits or hospitalization, and (3) use of short-acting β-agonists (SABAs) as quick-relief (sometimes referred to as “rescue” or “reliever”) medications. The working group participants propose that the definition of “asthma exacerbation” be “a worsening of asthma requiring the use of systemic corticosteroids to prevent a serious outcome.” As core outcomes, they propose inclusion and separate reporting of several essential variables of an exacerbation. Further, they propose the development of a standardized, component-based definition of “exacerbation” with clear thresholds of severity for each component.
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