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- W2017341451 abstract "OBJECTIVE. We recently reported that 60% of children newly diagnosed with cystic fibrosis who had pancreatic insufficiency responded to treatment initiation and achieved catch-up weight gain to a level comparable with their birth weight z score within 2 years of diagnosis (“responders”), whereas the remaining 40% failed to do so (“nonresponders”). The present study examined the impact of this early weight recovery on subsequent growth pattern and pulmonary status at 6 years of age. PATIENTS AND METHODS. Sixty-three children with cystic fibrosis who had pancreatic insufficiency but no meconium ileus, and were enrolled in the Wisconsin Cystic Fibrosis Neonatal Screening Project, were studied. Responders were defined by a recovery of weight z score comparable with that at birth within 2 years of diagnosis. From ages 2 to 6, growth was measured by both height and BMI. Pulmonary status was evaluated by symptoms, spirometry, quantitative chest radiography, and respiratory microbiology. RESULTS. The majority (71%) of the responders maintained their early weight recovery through 6 years of age, whereas only 32% of the nonresponders achieved substantial growth improvement from 2 to 6 years of age. Proportionately fewer responders reported cough symptoms (10% daytime cough; 22% nighttime cough) compared with nonresponders (41% daytime cough; 45% nighttime cough) at age 6. The percentage of predicted forced expiratory volume in 1 second at age 6 was 11% higher in responders (99.5% ± 13.9%) compared with nonresponders (88.3% ± 18.5%). Responders had significantly better Brasfield (20.1 ± 1.4) and Wisconsin chest radiograph (8.3 ± 3.3) scores compared with nonresponders (Brasfield: 18.9 ± 1.8; Wisconsin: 12.3 ± 8.3). Respiratory microbiology results were not significantly different. Multiple regression analyses indicated that the positive association between responder and percent predicted forced expiratory volume in 1 second at 6 years of age remained statistically significant after controlling for infections with Pseudomonas aeruginosa and Staphylococcus aureus and chest radiograph scores. Growth patterns from 2 to 6 years of age were not associated with pulmonary measures at age 6. CONCLUSIONS. Patients with cystic fibrosis with pancreatic insufficiency who achieved early growth recovery within 2 years of diagnosis had fewer cough symptoms, higher lung function, and better chest radiograph scores at 6 years of age." @default.
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- W2017341451 date "2009-02-01" @default.
- W2017341451 modified "2023-10-18" @default.
- W2017341451 title "Recovery of Birth Weight<i>z</i>Score Within 2 Years of Diagnosis Is Positively Associated With Pulmonary Status at 6 Years of Age in Children With Cystic Fibrosis" @default.
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- W2017341451 doi "https://doi.org/10.1542/peds.2007-3089" @default.
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