Acute exacerbations in children's interstitial lung disease

Elias Seidl1, Nicolaus Schwerk2, Julia Carlens2

  • 1Department of Pediatrics, Dr. von Hauner Children's Hospital, University Hospital, German Center for Lung Research, Munich, Germany.

Thorax
|February 12, 2022
PubMed

Insights

Acute exacerbations (AEs) in children with interstitial lung disease (chILD) significantly worsen lung function and quality of life. These events, often caused by infections, are linked to a substantial portion of chILD-related deaths.

Area of Science:

  • Pediatric Pulmonology
  • Rare Diseases
  • Interstitial Lung Disease

Background:

  • Acute exacerbations (AEs) are known to increase morbidity and mortality in chronic pulmonary diseases.
  • The specific characteristics and impact of AEs on children's interstitial lung disease (chILD) remain poorly understood.

Purpose of the Study:

  • To characterize the features of AEs in pediatric patients with chILD.
  • To evaluate the impact of AEs on the clinical course and quality of life in chILD patients.

Main Methods:

  • Utilized data from the Kids Lung Register, collecting information on AEs, clinical course, and patient-reported outcomes (PROs).
  • Analyzed data from 719 patients with chILD, encompassing 2822 AEs and 2887 register visits.

Main Results:

  • The most common AE symptoms included increased dyspnea (74.1%), respiratory rate (58.6%), and oxygen demand (57.4%), with infections suspected in 94.4%.
  • AEs were associated with significant declines in predicted FEV1, FVC, chILD-specific quality of life, and physical health scores compared to periods without AEs.
  • Mortality was associated with AEs in 60.5% of the 81 patient deaths during the study period.

Conclusions:

  • This study provides the first comprehensive analysis of AEs in chILD, highlighting their significant negative impact.
  • AEs have a detrimental effect on the clinical trajectory and health-related quality of life for children with interstitial lung disease.
Abstract

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