Reference values of inspiratory spirometry for Finnish adults

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http://hdl.handle.net/10138/303903

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Kainu , A , Timonen , K L , Vanninen , E & Sovijarvi , A R 2018 , ' Reference values of inspiratory spirometry for Finnish adults ' , Scandinavian Journal of Clinical & Laboratory Investigation , vol. 78 , no. 4 , pp. 245-252 . https://doi.org/10.1080/00365513.2018.1439185

Title: Reference values of inspiratory spirometry for Finnish adults
Author: Kainu, Annette; Timonen, Kirsi L.; Vanninen, Esko; Sovijarvi, Anssi R.
Contributor: University of Helsinki, Department of Medicine
University of Helsinki, Clinicum
Date: 2018
Language: eng
Number of pages: 8
Belongs to series: Scandinavian Journal of Clinical & Laboratory Investigation
ISSN: 0036-5513
URI: http://hdl.handle.net/10138/303903
Abstract: Inspiratory spirometry is used in evaluation of upper airway disorders e.g. fixed or variable obstruction. There are, however, very few published data on normal values for inspiratory spirometry. The main aim of this study was to produce reference values for inspiratory spirometry for healthy Finnish adults.Inspiratory spirometry was preplanned to a sample of the Finnish spirometry reference values sample. Data was successfully retrieved from 368 healthy nonsmoking adults (132 males) between 19 and 83years of age. Reference equations were produced for forced inspiratory vital capacity (FIVC), forced inspiratory volume in one second (FIV1), FIV1/FIVC, peak inspiratory flow (PIF) and the ratios of FIV1/forced expiratory volume in one second and PIF/peak expiratory flow. The present values were compared to PIF values from previously used Finnish study of Viljanen etal. (1982) reference values and Norwegian values for FIV1, FIVC and FIV1/FIVC presented by Gulsvik etal. (2001). The predicted values from the Gulsvik etal. (2001), provided a good fit for FIVC, but smaller values for FIV1 with mean 108.3 and 109.1% of predicted values for males and females, respectively. PIF values were 87.4 and 91.2% of Viljanen etal. (1982) predicted values in males and females, respectively. Differences in measurement methods and selection of results may contribute to the observed differences. Inspiratory spirometry is technically more demanding and needs repeatability criteria to improve validity. New reference values are suggested to clinical use in Finland when assessing inspiratory spirometry. Utility of inspiratory to expiratory values indices in assessment of airway collapse need further study.
Subject: Spirometry
reference values
respiratory function tests
lung
inhalation
UPPER AIRWAY-OBSTRUCTION
VOLUME
DIAGNOSIS
TRACHEA
LESIONS
LARYNX
3121 General medicine, internal medicine and other clinical medicine
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