Pediatric patients with likely primary ciliary dyskinesia frequently have asthma

Perspective by Scott D. Sagel, professor of pediatrics at CU School of Medicine: PCD is a rare, genetic disorder characterized by defective beating of motile cilia (tiny, hair-like projections that extend from the surface of cells in the respiratory tract), leading to impaired mucus clearance, persistent airway infections and chronic airway inflammation, and bronchiectasis.