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CC BY 4.0 · Journal of Child Science 2023; 13(01): e35-e39
DOI: 10.1055/s-0043-1768243
Original Article

Factors Associated with Failure of Stepping-Down Treatment in Pediatric Asthma

Wijittra Krobtrakulchai
1   Department of Pediatrics, Maharat Nakorn Ratchasima Hospital, Nakorn Ratchasima Province, Thailand
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Abstract

Background The international and Thai asthma guidelines recommend stepping-down controller treatment in patients whose asthma symptoms have been controlled and maintained for 3 months or longer. After stepping-down treatment, some patients experienced exacerbations and required emergency care. There is limited understanding of stepping-down treatment for asthmatic children. The goal of this study was to determine the failure rate and associated factors after stepping-down treatment in pediatric asthma.

Methods A retrospective study of electronic medical records of asthmatic patients aged between 3 and 15 years with controlled symptoms and indications for stepping-down treatment was conducted at Maharat Nakhon Ratchasima Hospital, a tertiary care center in Northeast Thailand, between January 2015 and December 2019.

Results Of the 110 asthmatic patients with well-controlled asthma who received stepping-down treatment, 90 patients were followed over 12 months. Failure of treatment within 12 months of follow-up was 37.8% (34 of 90). Patients who failed to stepping-down treatment had asthma onset at a younger age (p = 0.026) and less than 9 months duration of asthma stability before stepping-down (p = 0.049). In multivariate analysis, the factor associated with failed stepping-down treatment was the length of asthma stability of fewer than 9 months with an odds ratio of 4.8 (95% confidence interval: 1.02–22.47).

Conclusion Stepping-down treatment in well-controlled pediatric asthma resulted in a high failure rate. The author suggests initiating stepping-down treatment in patients whose duration of asthma stability is greater than 9 months may improve the rate of success.

Keywords

pediatric asthma - stepping-down treatment - failure of treatment - well-controlled asthma - asthma exacerbation


Publication History

Received: 26 September 2022

Accepted: 08 March 2023

Article published online:
12 April 2023

© 2023. The Author(s). This is an open access article published by Thieme under the terms of the Creative Commons Attribution License, permitting unrestricted use, distribution, and reproduction so long as the original work is properly cited. (https://creativecommons.org/licenses/by/4.0/)

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