Document Detail

Early diagnosis of cystic fibrosis in the newborn period and risk of Pseudomonas aeruginosa acquisition in the first 10 years of life: A registry-based longitudinal study.
MedLine Citation:
PMID:  11158458     Owner:  NLM     Status:  MEDLINE    
OBJECTIVE: Controlled clinical trial data have suggested that identifying asymptomatic cystic fibrosis (CF) patients through newborn screening improves health outcomes of affected children in the first decade of life. However, it is unclear whether these improvements also include a reduction in risk for bronchial infection, the major determinant of CF morbidity. The authors therefore investigated the association between early CF diagnosis and acquisition of Pseudomonas aeruginosa, the major bronchial pathogen, in the first decade of life. METHODOLOGY: Longitudinal data on 3625 CF patients diagnosed between 1982 and 1990 and before 36 months of age were ascertained from the National Cystic Fibrosis Patient Registry. We compared P aeruginosa acquisition in the first 10 years of life among 4 groups: EAD (early asymptomatic diagnosis)-<6 weeks, by pre/neonatal screening, genotype, family history (n = 157); ESD (early symptomatic diagnosis) (n = 227); LAD (late asymptomatic diagnosis)-6 weeks to 36 months (n = 161); and LSD (late symptomatic diagnosis) (n = 3080). P aeruginosa acquisition was determined from yearly sputum and/or bronchoscopy cultures. Children whose CF diagnoses followed meconium ileus or whose cultures were obtained only from nasal samples were excluded from the study. RESULTS: Kaplan Meier analyses for P aeruginosa acquisition were conducted for each diagnostic group. Regression models were used to generate adjusted relative hazards with EAD as the referent group. Relative hazards were 0.9 (95% confidence interval [CI]: 0.7-1.2) for ESD, 0.8 (95% CI: 0.6-1.2) for LAD, and 1.0 (95% CI: 0.7-1.2) for LSD. The risk of acquiring P aeruginosa was therefore not significantly different between children diagnosed early, late, asymptomatically, or symptomatically. CONCLUSIONS: These data suggest that, despite improvements in other health outcomes from newborn screening for CF, early asymptomatic diagnosis of CF does not affect P aeruginosa acquisition.
S S Wang; S C FitzSimmons; L A O'Leary; M J Rock; M L Gwinn; M J Khoury
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Pediatrics     Volume:  107     ISSN:  1098-4275     ISO Abbreviation:  Pediatrics     Publication Date:  2001 Feb 
Date Detail:
Created Date:  2001-02-22     Completed Date:  2001-05-24     Revised Date:  2004-11-17    
Medline Journal Info:
Nlm Unique ID:  0376422     Medline TA:  Pediatrics     Country:  United States    
Other Details:
Languages:  eng     Pagination:  274-9     Citation Subset:  IM    
Epidemic Intelligence Service, Division of Applied Public Health Training, Epidemiology Program Office, Centers for Disease Control and Prevention, Atlanta, Georgia, USA.
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MeSH Terms
Analysis of Variance
Child, Preschool
Cystic Fibrosis / diagnosis*,  microbiology*
Infant, Newborn
Logistic Models
Longitudinal Studies
Proportional Hazards Models
Pseudomonas aeruginosa / isolation & purification*
Sputum / microbiology
Time Factors

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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