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Background: Cystic fibrosis is an inherited, autosomal, recessive disease. This disorder is caused by defects in the gene for cystic fibrosis transmembrane conductance regulator (CFTR), which encodes for a protein that functions as a chloride channel. Mutations in the gene for CFTR result in ion disorders, and consequently in disturbances of exocrine glands in the respiratory, gastrointestinal, and genitourinary tracts. Pulmonary involvement occurs in 90% of patients, and is the main cause of death. The diagnosis of CF in Poland is based on clinical symptoms and positive results of the sweat test. Diacrisis is usually reached late in the 3rd year of life. In 1999-2003, newborn screening examinations were performed at the Mother and Child Institute. The idea of these studies was to establish a diagnosis and begin treatment as early as possible, even in the asymptomatic period of the disease. The level of immunoreactive trypsynogen was determined in the blood of 4-6-day-old newborns, as well as the mutation of gene CFTR. The mean age of CF diagnosis was about 38 days. The aim of our study was to assess the influence of early commencement of treatment on the rapidity of progression of pulmonary involvement. Material/Methods: 59 children with CF diagnosed by screening were examined by chest radiography in various periods of the disease, the earliest in the neonatal period. Pulmonary involvement (hyperinflation, periobronchial thickening, pulmonary nodules, cysts, parenchymal density, atelectasis and fibrosus changes) were assessed according to Brasfield score. The control group consisted of 19 children with symptomatic CF, born in 1997-2003.They were also examined by chest radiography. Results: Various pulmonary changes were recognized in 42 children diagnosed by screening. In the control group pulmonary involvement was found in 16 children. In both groups progression was found in 28% of the children, but significant progression was seen in 7% of those children with a screening diagnosis, and in 25% of the children with symptomatic CF. Conclusions: An analysis of these results suggests that early diagnosis and early commencement of treatment do not prevent pulmonary involvement, but moderate the progression of the disease.
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dc.subject.en
cystic fibrosis
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dc.subject.en
newborn screening
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dc.subject.en
X-ray examination
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dc.description.volume
71
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dc.description.number
2
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dc.identifier.eissn
1899-0967
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dc.title.journal
Polish Journal of Radiology
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dc.language.container
pol
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dc.date.accession
2019-07-10
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dc.subtype
Article
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dc.identifier.articleid
451182
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dc.rights.original
CC-BY-NC-ND; otwarte czasopismo; ostateczna wersja wydawcy; w momencie opublikowania; 0
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