Antiasthmatic prescriptions in children with and without congenital anomalies: a population-based study

Natalie Divin, Joanne Emma Given, Joachim Tan, Gianni Astolfi, Elisa Ballardini, Laia Barrachina-Bonet, Clara Cavero-Carbonell, Alessio Coi, Ester Garne, Mika Gissler, Anna Heino, Susan Jordan, Anna Pierini, Ieuan Scanlon, Stine Kjær Urhøj, Joan K Morris, Maria Loane

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Abstract

OBJECTIVES: To explore the risk of being prescribed/dispensed medications for respiratory symptoms and breathing difficulties in children with and without congenital anomalies. DESIGN: A EUROlinkCAT population-based data linkage cohort study. Data on children with and without congenital anomalies were linked to prescription databases to identify children who did/did not receive antiasthmatic prescriptions. Data were analysed by age, European region, class of antiasthmatic, anomaly, sex, gestational age and birth cohort. SETTING: Children born 2000-2014 in six regions within five European countries. PARTICIPANTS: 60 662 children with congenital anomalies and 1 722 912 reference children up to age 10 years. PRIMARY OUTCOME MEASURE: Relative risks (RR) of >1 antiasthmatic prescription in a year, identified using Anatomical Therapeutic Chemical classification codes beginning with R03. RESULTS: There were significant differences in the prescribing of antiasthmatics in the six regions. Children with congenital anomalies had a significantly higher risk of being prescribed antiasthmatics (RR 1.41, 95% CI 1.35 to 1.48) compared with reference children. The increased risk was consistent across all regions and all age groups. Children with congenital anomalies were more likely to be prescribed beta-2 agonists (RR 1.71, 95% CI 1.60 to 1.83) and inhaled corticosteroids (RR 1.74, 95% CI 1.61 to 1.87). Children with oesophageal atresia, genetic syndromes and chromosomal anomalies had over twice the risk of being prescribed antiasthmatics compared with reference children. Children with congenital anomalies born <32 weeks gestational age were over twice as likely to be prescribed antiasthmatics than those born at term (RR 2.20, 95% CI 2.10 to 2.30). CONCLUSION: This study documents the additional burden of respiratory symptoms and breathing difficulties for children with congenital anomalies, particularly those born preterm, compared with children without congenital anomalies in the first 10 years of life. These findings are beneficial to clinicians and healthcare providers as they identify children with greater morbidity associated with respiratory symptoms, as indicated by antiasthmatic prescriptions.

Original languageEnglish
Article numbere068885
Pages (from-to)1-10
Number of pages10
JournalBMJ Open
Volume13
Issue number10
Early online date13 Oct 2023
DOIs
Publication statusPublished (in print/issue) - 13 Oct 2023

Bibliographical note

This work was supported by the European Union’s Horizon 2020 research and innovation programme under grant agreement No. 733001.

Publisher Copyright:
© Author(s) (or their employer(s)) 2023. Re-use permitted under CC BY-NC. No commercial re-use. See rights and permissions. Published by BMJ.

Keywords

  • asthma
  • risk factors
  • paediatrics
  • epidemiology

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