ArticleZhongguo dang dai er ke za zhi = Chinese journal of contemporary pediatrics2024
[Application of interrupter resistance pulmonary function testing in the diagnosis of asthma in preschool children: a single-center study].
Article in Zhongguo dang dai er ke za zhi = Chinese journal of contemporary pediatrics, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
objectivesTo investigate the value of interrupter resistance (Rint) pulmonary function testing in the diagnosis of asthma in preschool children, and to compare the significance of Rint pulmonary function testing versus impulse oscillometry (IOS) in the diagnosis of asthma.
methodsA prospective study was conducted among 108 children with recurrent wheezing, aged 4 to <6 years, who were admitted from July 2022 to November 2023. According to the treatment outcome, they were divided into an asthmatic group (61 children) and a non-asthmatic group (47 children). Rint pulmonary function parameters and IOS parameters were analyzed for both groups, and the two tests were compared in terms of feasibility and diagnostic value.
resultsCompared with the non-asthmatic group, the asthmatic group had significantly higher percentage of actual measured value to predicted value for Rint and percent changes in the measured value and predicted value of Rint (
conclusionsRint pulmonary function testing can be used to assist in the diagnosis of asthma in preschool children, with a similar diagnostic value to IOS and a relatively high level of feasibility. A percent change of ≥32% in the predicted value of Rint in the bronchial dilation test can be used as a cut-off value for the diagnosis of asthma in preschool children.
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