Abstract
Nearly all asthma predictive tools estimate the future risk of asthma development. However, there is no tool to predict the probability of successful ICS cessation at an early age. Therefore, we aimed to determine the predictors of successful ICS cessation in preschool wheezers, and developed a simple predictive tool for clinical practice. This was a retrospective cohort study involving preschool wheezers who had undergone an ICS therapeutic trial during 2015–2020 at the University Hospital, Southern, Thailand. A predictive scoring system was developed using a nomogram to estimate the probability of successful ICS cessation. We calculated area under ROC curve and used a calibration plot for assessing the tool’s performance. A total of 131 medical records were eligible for analysis. Most of the participants were male (68.9%). More than half of the preschool wheezers had successful ICS cessation after an initial therapeutic trial regimen. The predictors of less successful ICS cessation were perinatal oxygen use [OR 0.10 (0.01, 0.70), P = 0.02], allergic rhinitis [OR 0.20 (0.08, 0.56), P = 0.002], blood eosinophil count > 500 cell/mm3 [OR 0.20 (0.06, 0.67), P = 0.008], and previous ICS use > 6 months [OR 0.30 (0.09, 0.72), P = 0.009].
Conclusions: Predictors of less successful ICS cessation were the following: perinatal oxygen use, allergic rhinitis, blood eosinophil count > 500 cell/mm3, and previous ICS use > 6 months. A simple predictive score developed in this study may help general practitioners to be more confident in making a decision regarding the discontinuation of ICS after initial therapeutic trials.
What is Known: • Early allergic sensitization is associated with reduced chances of inhaled corticosteroid cessation at school age. • Prolonged ICS is associated with the emergence of adverse effect and discontinuing too early can result in recurrence symptoms. | |
What is New: • Requirement of oxygen support within 7 days after birth in term neonate is a postnatal factor associated with less successful ICS cessation. • We propose a simple predictive tool with easily available clinical parameters (perinatal oxygen use, allergic rhinitis, blood eosinophil count, parental asthma history, and duration of previous ICS use) to determine the timing of inhalational corticosteroid cessation in preschool wheezers. |
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Abbreviations
- AUC:
-
Area under the curve
- GINA:
-
Global Initiative for Asthma
- ICS:
-
Inhaled corticosteroids
- ROC:
-
Receiver operating characteristics curve
- SABA:
-
Short-acting beta-2-agonist
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Acknowledgements
We would like to thank Kittisakdi Choomalee, biostatistician, Department of epidemiology and the Office of International Affairs, Faculty of Medicine, Prince of Songkla University for their English editing services.
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All authors contributed to the study conception and design. Material preparation was performed by Kanokpan Ruangnapa, Pharsai Prasertsan, and Kantara Saelim. Data collection, analysis, and first draft of manuscript were performed by Kantisa Sirianansopa. Utcharee Intusoma and Wanaporn Anuntaseree commented on previous version of the manuscript. All authors read and approved the final manuscript.
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This research was approved by Human Research Ethic Committee (REC. 65-059-1-1), Faculty of Medicine, Prince of Songkla University, Thailand. The study was performed in accordance with the ethical standards as laid down in the 1964 Declaration of Helsinki and its later amendments.
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Sirianansopa, K., Ruangnapa, K., Prasertsan, P. et al. Probability of successful inhaled corticosteroids cessation in preschool wheezers: a predictive score. Eur J Pediatr 182, 237–244 (2023). https://doi.org/10.1007/s00431-022-04679-2
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DOI: https://doi.org/10.1007/s00431-022-04679-2