Pediatric pulmonology · 2020
Impact at school age of early chronic methicillin-sensitive Staphylococcus aureus infection in children with cystic fibrosis.
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Galodé François, Dournes Gael, Chateil Jean-François, Fayon Michael, Collet Cyrielle, Bui Stéphanie
Аннотация
BACKGROUND: Bacterial infection early in life may increase structural lung lesions in children with cystic fibrosis (CF).
METHODS: A 9-year monocentric (Bordeaux University Hospital, France) retrospective study in children with CF to evaluate the impact of the early-onset (at 1 year of age, Y1) of chronic meticillin-sensitive Staphylococcus aureus (MSSA) infection on the severity of bronchiectasis and Bhalla score on CT scan, clinical status, lung function tests, and serum immunoglobulins (IgG) at the age of 6 years (Y6).
RESULTS: A total of 37 children were included: 10 had contracted chronic MSSA infection at Y1 and 27 at a later date. Children with MSSA infection at Y1 showed increased Y6 CT scan bronchiectasis severity scores vs late MSSA infection (mean ± SD: 4.7 ± 0.8 vs 2.5 ± 0.5, P < .05) and Bhalla scores (7.3 ± 1.1 vs 4.7 ± 0.8, P < .05), but no significant decrease in lung function ([% reference values] FEV1: 83.7 ± 6 vs 90.6 ± 2.2, P = .21; FEF25-75: 67.8 ± 8.9 vs 76.3 ± 3.9, P = .18). In addition, Y6 serum IgG was greater in the early chronic Y1 MSSA group (11.3 ± 0.7 vs 8.9 ± 0.7 g/L, P < .05). Clinical symptoms or nutritional status were similar in both infection groups.
CONCLUSION: Early chronic MSSA infection may enhance the progression of structural lung disease in CF at 6 years.
METHODS: A 9-year monocentric (Bordeaux University Hospital, France) retrospective study in children with CF to evaluate the impact of the early-onset (at 1 year of age, Y1) of chronic meticillin-sensitive Staphylococcus aureus (MSSA) infection on the severity of bronchiectasis and Bhalla score on CT scan, clinical status, lung function tests, and serum immunoglobulins (IgG) at the age of 6 years (Y6).
RESULTS: A total of 37 children were included: 10 had contracted chronic MSSA infection at Y1 and 27 at a later date. Children with MSSA infection at Y1 showed increased Y6 CT scan bronchiectasis severity scores vs late MSSA infection (mean ± SD: 4.7 ± 0.8 vs 2.5 ± 0.5, P < .05) and Bhalla scores (7.3 ± 1.1 vs 4.7 ± 0.8, P < .05), but no significant decrease in lung function ([% reference values] FEV1: 83.7 ± 6 vs 90.6 ± 2.2, P = .21; FEF25-75: 67.8 ± 8.9 vs 76.3 ± 3.9, P = .18). In addition, Y6 serum IgG was greater in the early chronic Y1 MSSA group (11.3 ± 0.7 vs 8.9 ± 0.7 g/L, P < .05). Clinical symptoms or nutritional status were similar in both infection groups.
CONCLUSION: Early chronic MSSA infection may enhance the progression of structural lung disease in CF at 6 years.