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Correlation between spirometry and impulse oscillometry in children with asthma

 Song TW  ;  Kim KW  ;  Kim ES  ;  Kim KE  ;  Sohn MH 
 ACTA PAEDIATRICA, Vol.97(1) : 51-54, 2008 
Journal Title
Issue Date
Adolescent ; Asthma/diagnosis ; Asthma/physiopathology* ; Child ; Eosinophils ; Female ; Forced Expiratory Flow Rates ; Forced Expiratory Volume ; Humans ; Hypersensitivity, Immediate/physiopathology ; Immunoglobulin E/blood ; Male ; Oscillometry* ; Spirometry* ; Vital Capacity
Asthma ; Children ; Impulse oscillometry ; Lung function ; Spirometry
AIM: In certain patients, such as young children or individuals with cerebral palsy or severe mental retardation, it is difficult to perform forced expiratory manoeuvres to measure expiratory flow volume. In such cases, we could evaluate obstructive lung disease through the measurement of airway resistance instead of expiratory flow volume.

METHODS: In this study, we evaluated the correlation of Impulse Oscillometry (IOS) parameters with spirometry values and peak expiratory flow rate (PEFR) measurements to give coherence to IOS recordings in lung function exploration. Total serum IgE levels, total eosinophil counts and specific IgE levels were measured in 48 children with asthma and 66 control subjects, aged 7-15 years of age. IOS, spirometry and PEFR measurements were performed, as well as methacholine challenge. We further analyzed the correlations in atopic asthma, atopic control, nonatopic asthma and nonatopic control groups.

RESULTS: FEV(1) and PEFR showed a significant correlation with impedance and resistance (R) at 5, 10, 20 and 35 Hz, both in atopic asthmatic and in atopic control children. FVC also showed a correlation with impedance and R at 10, 20 and 35 Hz, both in atopic asthmatic and atopic control children. FEF(25-75%) did not show a correlation with resistances.

CONCLUSION: FEV(1), FVC and PEFR were significantly correlated with IOS parameters, in both asthmatic and control subjects, especially for atopic children. IOS could be used as a suitable measure of lung function when spirometry and PEF cannot be performed
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Appears in Collections:
1. College of Medicine (의과대학) > Dept. of Internal Medicine (내과학교실) > 1. Journal Papers
1. College of Medicine (의과대학) > Dept. of Pediatrics (소아과학교실) > 1. Journal Papers
Yonsei Authors
Kim, Kyung Won(김경원) ORCID logo https://orcid.org/0000-0003-4529-6135
Kim, Kyu Earn(김규언)
Kim, Eun Soo(김은수)
Sohn, Myung Hyun(손명현) ORCID logo https://orcid.org/0000-0002-2478-487X
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