الفهرس 
P EDIATRIC N ON C YSTIC F IBROSIS B RONCHIECTASISOnly 14 pages are availabe for public view
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Abstract
Bronchiectasis is a respiratory chronic condition characterized by cycles of impaired mucocilliary clearance, bronchial infection and inflammation resulting in irreversible airways dilatation.
Cystic fibrosis is an autosomal recessive disease affects multiple system , its diagnosis requires clinical evidence and demonstration of CFTR dysfunction.
Increased level of neutrophil elastase has been identified as a key risk factor for onset and progression of cystic fibrosis and non cystic fibrosis bronchiectasis.