Journal
JOURNAL OF PEDIATRICS
Volume 155, Issue 5, Pages 623-U52Publisher
MOSBY-ELSEVIER
DOI: 10.1016/j.jpeds.2009.05.005
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Funding
- Cystic Fibrosis Foundation (USA)
- National Health and Medical Research Council (Australia)
- Cystic Fibrosis (Australia)
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Objectives To determine the prevalence of bronchiectasis in young children with cystic fibrosis (CF) diagnosed after newborn screening (NBS) and the relationship of bronchiectasis to pulmonary inflammation and infection. Study design Children were diagnosed with CF after NBS. Computed tomography and bronchoalveolar lavage were performed with anesthesia (n = 96). Scans were analyzed for the presence and extent of abnormalities. Results The prevalence of bronchiectasis was 22% and increased with age (P = .001). Factors associated with bronchiectasis included absolute neutrophil count (P = .03), neutrophil elastase concentration (P = .001), and Pseudomonas aeruginosa infection (P = .03). Conclusions Pulmonary abnormalities are common in infants and young children with CF and relate to neutrophilic inflammation and infection with P. aeruginosa. Current models of care for infants with CF fail to prevent respiratory sequelae. Bronchiectasis is a clinically relevant endpoint that could be used for intervention trials that commence soon after CF is diagnosed after NBS. (J Pediatr 2009; 155: 623-8).
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