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A Journal on Diseases of the Respiratory System
Official Journal of the Italian Society of Thoracic Endoscopy
Indexed/Abstracted in: EMBASE, Scopus, Emerging Sources Citation Index
Minerva Pneumologica 2015 September;54(3):121-7
Correlations between the FEV1, FEV1/FEV6 and FEV1% values obtained using portable (Hi-Checker) and conventional spirometers
Hanaka M. 1, Yatera K. 1, Yamasaki K. 1, Shimauchi M. 1, Nagata S. 1, Nishida C. 1, Kawanami Y. 1, Kawanami T. 1, Ishimoto H. 1, Yoshii C. 2, Mukae H. 1
1 Department of Respiratory Medicine, University of Occupational and Environmental Health, Japan;
2 Department of Respiratory Medicine, Wakamatsu Hospital of University of Occupational and Environmental Health, Japan
AIM: Portable spirometers are useful and convenient for evaluating obstructive lung disorders by measuring the forced expiratory volume in one second (FEV1)/FEV6 and identifying possible chronic obstructive pulmonary disease (COPD) patients.
METHODS: FEV1/FEV6 and FEV1/forced vital capacity (FVC) of 96 consecutive inpatients were measured using Hi-Checker and the conventional spirometer, respectively.
RESULTS: The average (range) age was 67 (28-90) years old. The number of current- and ex-smokers/non-smokers was 67/29, respectively. The correlations between the values of FEV1, FEV1/FEV6 and FEV1/FVC and the “lung age” measured by both the portable and the conventional spirometer were assessed. Results: A significant correlation was observed between the FEV1 and the “lung age” values measured using both methods. The FEV1/FEV6 measured using Hi-Checker and the FEV1/FVC measured using the conventional spirometer were also significantly correlated (r=0.846).
CONCLUSION: Hi-Checker is useful and convenient for checking FEV1 and FEV1% as a substitute for conventional spirometers.