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KMID : 0383819820290010030
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Tuberculosis and Respiratory Diseases
1982 Volume.29 No. 1 p.30 ~ p.36
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Shape Analysis of the Maximal Expiratory Flow Volume Curve Among the Patients with Various Kind of Pulmonary Diseases
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Nam Song-Hyun
Park Hyun-Ha
Kim Re-Hwe
Han Sung-Koo
Kim Ye-Won
Kim Keun-Youl
Han Yong-Chul
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Abstract
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The analysis of the shape of the maximal expiratory flow volume curve was done among the 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 result were as follow.
1) Normal group, COPD group, restrictive long 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 currie 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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KEYWORD
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