Particles in exhaled air (PExA): Non-invasive phenotyping of small airways disease in adult asthma

Disease Areas:
Asthma
Device Types:
Alpha

This study quantified surfactant protein A and albumin in exhaled aerosol particles in 115 adult asthmatic patients (discovery cohort, n=83; replication cohort, n=32) and 21 healthy volunteers. In the discovery cohort, spirometry was performed using a Vitalograph Alpha spirometer.

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