Acute exacerbations in children's interstitial lung disease

Elias Seidl, Nicolaus Schwerk, Julia Carlens, Martin Wetzke, Nagehan Emiralioğlu, Nural Kiper, Joanna Lange, Katarzyna Krenke, Zsolt Szepfalusi, Florian Stehling, Winfried Baden, Susanne Hämmerling, Silvija-Pera Jerkic, Marijke Proesmans, Nicola Ullmann, Frederik Buchvald, Katrin Knoflach, Matthias Kappler, Matthias Griese, chILD EU collaborators


INTRODUCTION: Acute exacerbations (AEs) increase morbidity and mortality of patients with chronic pulmonary diseases. Little is known about the characteristics and impact of AEs on children's interstitial lung disease (chILD).

METHODS: The Kids Lung Register collected data on AEs, the clinical course and quality of life (patient-reported outcomes - PRO) of rare paediatric lung diseases. Characteristics of AEs were obtained.

RESULTS: Data of 2822 AEs and 2887 register visits of 719 patients with chILD were recorded. AEs were characterised by increased levels of dyspnoea (74.1%), increased respiratory rate (58.6%) and increased oxygen demand (57.4%). Mostly, infections (94.4%) were suspected causing an AE. AEs between two register visits revealed a decline in predicted FEV1 (median -1.6%, IQR -8.0 to 3.9; p=0.001), predicted FVC (median -1.8%, IQR -7.5 to 3.9; p=0.004), chILD-specific questionnaire (median -1.3%, IQR -3.6 to 4.5; p=0.034) and the physical health summary score (median -3.1%, IQR -15.6 to 4.3; p=0.005) compared with no AEs in between visits. During the median observational period of 2.5 years (IQR 1.2-4.6), 81 patients died. For 49 of these patients (60.5%), mortality was associated with an AE.

CONCLUSION: This is the first comprehensive study analysing the characteristics and impact on the clinical course of AEs in chILD. AEs have a significant and deleterious effect on the clinical course and health-related quality of life in chILD.

Udgave nummer8
Sider (fra-til)799-804
Antal sider6
StatusUdgivet - aug. 2022


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