Tuberc Respir Dis > Volume 29(1); 1982 > Article
Tuberculosis and Respiratory Diseases 1982;29(1):30-36.
DOI: https://doi.org/10.4046/trd.1982.29.1.30    Published online March 1, 1982.
Shape Analysis of the Maximal Expiratory Flow Volume Curve Among the Patients with Various Kind of Pulmonary Diseases
Song Hyun Nam1, Hyun Ha Park1, Re Hwe Kim1, Sung Koo Han2, Ye Won Kim2, Keun Youl Kim2, Yong Chol Han2
1Department of Internal Medicine, Paik Hospital, Inje Medical College, Seoul, Korea
2Department of Internal Medicine, College of Medicine, Seoul National University, Seoul, Korea
각종 폐질환에서의 최대 호기유량 용적 곡선의 형태분석
남송현1, 박현하1, 김예회1, 한성구2, 김예원2, 김건열2, 한용철2
Abstract
The analysis of the shape of the maximal expiratory flow volume curve was done amongthe patient with 20 normal group, 10 chronic obstructive pulmonary disease group, 10 restrictive lung disease group and 3 extra-thoracic large airway obstruction group. The results were as follow. 1) Normal group, COPD group, restrictive lung disease group and extra-thoracic large airway obstruction group showed characteristic configuration of the maximal expiratory flow volume curve. respectively. 2) COPD group showed small PF and FVC. and the configuration of the curve showed rapid reduction of flow rate after PF and deep inflexion to the volume axis. 3) In restrictive lung disease group. the configuration of the curve was similar to normal group and different only in scale of the parameters. 4) In the extra-thoracic airway obstruction group. the configuration of the curve showed prolonged plateau after PF and short ascent segment and lower descent segment.


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