期刊
JOURNAL OF PEDIATRICS
卷 151, 期 2, 页码 134-139出版社
MOSBY-ELSEVIER
DOI: 10.1016/j.jpeds.2007.03.006
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Objectives To characterize the rate of decline of forced expiratory volume in 1 second (FEVl) in children and adolescents with cystic fibrosis and to identify and compare risk factors associated with FEVl decline. Study design The rate of decline in FEVl% predicted over 3 to 6 years in 3 different age groups was determined. Risk factors for decline were identified and compared among and within age groups as a function of disease severity with repeatedmeasures, mixed-model regression. Results Mean (SD) baseline FEVl /u predicted was 88.4% -+/- 20.5% for 6- to 8-year-olds (n = 1811), 85.3%+/- 20.8% for 9- to 12-year-olds (n = 1696), and 78.4%+/- 22.0% for 13- to 17-year-olds (n = 1359). Decline in FEVl% predicted/year was -1.12, -2.39, and -2.34, respectively. High baseline FEV1, and persistent crackles were significant independent risk factors for decline across all age groups. Female sex, Pseudomonas aeruginosa infection, low weight-for-age, sputum, wheezing, sinusitis, pulmonary exacerbations treated with intravenous antibiotics, elevated fiver test results, and pancreatic insufficiency were also identified as independent risk factors in some age groups. Conclusions This study identifies risk factors for FEV1, decline in children and adolescents with cystic fibrosis. Clinicians should not be reassured by high lung function, particularly in young children, because this factor, among others, is independently associated with steeper decline in FEVl.
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