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KMID : 0364519920030030091
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Dong-A Journal Medicine
1992 Volume.3 No. 3 p.91 ~ p.96
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A Study for the Effectiveness of Bronchodilator Test Using Bodyplethysmography in the Diagnosis of Bronchial Asthma
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Abstract
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The reversibility of airway obstruction is characteristic of bronchial asthma and has some limited value in the diagnosis of asthma. The authors studied 27 hospitalized-and out-patients of asthma and 10 of endobronchial tuberculosis of Dong-A
University from April, 1990 to September, 1991 and measured the airway resistance before and 10 minutes after inhalation of bronchodilator (Fenoterol 2 puffs) using Body-test of Jaeger, West Germany.
@ES The results were as follows.
@EN 1. The bronchial asthma group was of 27 patients with the age distribution from 17 to 48 (mean=30.3) and the endobronchial Tb group was of 10 patients with the age from 16 to 50(mean=27.2).
2. In the asthma group, the mean value of airway resistance was 0.540±0.157 before bronchodilator inhalation and 0.252±0.080(kPa/1/sec) after (p<0.01).
3. In the endobronchial Tb group, the mean value of airway resistance was 0.439±0.138 before bronchodilator inhalation and 0.331±0.114(kPa/l/sec) after (p<0.01).
4. The mean value of percentage change of Raw after bronchodilator inhalation was 52.3% in the asthma group, and 23.3% in the endobronchial Tb group. The authors would suggest that the airway resistance should decrease over 39% for the diagnosis
of
bronchial asthma (p<0.05).
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