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Asthma Predictive Index (API)

PulmonologyAllergyPediatricsBeta toolThis tool is in beta. It has undergone internal validation but still requires additional testing. Always confirm the data entered and the results obtained before clinical use. It should not be used as the sole basis for clinical decisions.
Scope
This first-version bedside implementation is restricted to children aged 0 to 3 years.
years
Wheezing history
Count wheezing episodes per year during the first 3 years of life. The stringent threshold is >=3 episodes/year.
episodes/year
Major criteria
Parent with asthmaEither parent has a history of asthma.
EczemaHistory of eczema or atopic dermatitis.
Minor criteria
Allergic rhinitisHistory of allergic rhinitis.
Wheezing apart from coldsAny wheezing not associated with a cold or viral upper respiratory illness.
Peripheral blood eosinophil percentage on CBC differential. The minor criterion is met at >=4.0%.
%

Clinical noticeEducational clinical-support artifact only. Do not use the API alone to diagnose current asthma or replace clinical assessment.

Context and use

Stringent API is positive if age <=3 years, wheezing >=3 episodes/year, and (>=1 major criterion or >=2 minor criteria).

Major criteria: parent with asthma or eczema. Minor criteria: allergic rhinitis, wheezing apart from colds, eosinophils >=4%.

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Certifications and Compliance

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