AI Article Synopsis
- A study examined the prevalence and incidence of interstitial lung disease in children (chILD) in France, finding it affects 44 children per million in 2022 and has an incidence of 4.4 per million.
- The research included data from 790 patients across 42 centers, noting that the median age for diagnosis was 3 months, with a significant portion having familial forms.
- Management typically involved oxygen therapy and corticosteroids, with survival rates being 57.3% for children diagnosed before 2 years and 86% for those diagnosed between 2 and 18 years; the study highlights the need for improved international data collection and standardized practices.
Article Abstract
Introduction: Interstitial lung disease in children (chILD) are rare and mostly severe lung diseases. Very few epidemiological data are available in limited series of patients. The aim of this study was to assess the prevalence and incidence of chILD in France.
Methods: We performed within the RespiRare network a multicentre retrospective observational study in patients with chILD from 2000 to 2022 and a prospective evaluation of chILD's incidence between February 2022 and 2023.
Results: chILD was reported in 790 patients in 42 centres. The estimated 2022 prevalence in France was 44 /million children (95% CI 40.76 to 47.46) and the computed incidence was 4.4 /million children (95% CI 3.44 to 5.56). The median age at diagnosis was 3 months with 16.9% of familial forms. Lung biopsy and genetic analyses were performed in 23.4% and 76.9%, respectively. The most frequent chILD aetiologies in the <2 years group were surfactant metabolism disorders (16.3%) and neuroendocrine cell hyperplasia of infancy (11.8%), and in the 2-18 years group diffuse alveolar haemorrhage (12.2%), connective tissue diseases (11.4%), hypersensitivity pneumonitis (8.8%) and sarcoidosis (8.8%). The management included mainly oxygen therapy (52%), corticosteroid pulses (56%), oral corticosteroids (44%), azithromycin (27.2%), enteral nutrition (26.9%), immunosuppressants (20.3%) and hydroxychloroquine (15.9%). The 5-year survival rate was 57.3% for the patients diagnosed before 2 years and 86% between 2 and 18 years.
Conclusion: This large and systematic epidemiological study confirms a higher incidence and prevalence of chILD than previously described. In order to develop international studies, efforts are still needed to optimise the case collection and to harmonise diagnostic and management practices.
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| http://dx.doi.org/10.1136/thorax-2023-221325 | DOI Listing |
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