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Definitions of asthma exacerbations.
Rik J B Loymans1, Gerben Ter Riet, Peter J Sterk
1Department of General Practice, Academic Medical Centre - University of Amsterdam, Amsterdam, the Netherlands. r.j.loijmans@amc.uva.nl
Current Opinion in Allergy and Clinical Immunology
|April 7, 2011
Summary
Asthma exacerbation definitions vary, hindering research comparisons. A universally accepted, prospective definition using clinical signs and biomarkers is needed for better patient care and risk assessment.
Area of Science:
- Pulmonology
- Clinical Research Methodology
Background:
- Asthma exacerbations are key outcomes in clinical research.
- Inconsistent definitions impede result comparisons across studies.
Purpose of the Study:
- To review the impact of varied asthma exacerbation definitions.
- To propose solutions for standardized definitions.
Main Methods:
- Literature review on asthma exacerbation definitions.
- Analysis of consequences of definition discrepancies.
Main Results:
- Different definitions affect incidence rates, patient identification, and risk assessment.
- Consensus definitions exist (ATS/ERS, WHO) but require prospective application.
- A prospective definition is crucial for clinical decision-making.
Conclusions:
- A common definition for asthma exacerbations is currently lacking.
- A prospective, phenotyped definition is desirable.
- Phenotyping should incorporate clinical signs, lung function, and biomarkers.
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