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기관지천식에 있어서 흡입성 Fenoterol 과 Ipratropium Bromide 의 기도확장효과 비교
송창훈(Chang Hoon Song),양재범(Jae Beom Yang),김영철(Young Chul Kim),김정일(Jung Il Kim),오춘수(Choon Soo Oh),이춘기(Chon Kee Lee),최인선(In Seon Choi),박경옥(Kyung Ok Park) 대한내과학회 1989 대한내과학회지 Vol.37 No.5
N/A We assessed the bronchodilator effects of inhaled fenoterol and ipratropium and compared them according to the localization of airway obstruction in 37 patients with bronchial asthma. Although FVC and FEV1 increased remarkably at 10 minutes and one hour after each inhalation of fenoterol or ipratropium, there were no significant differences in effects between the two drugs except that there was a more distinguishable response in FEF25~75% at 10 minutes after fenoterol inhalation. In the response group in which Δvma×50 was more than 20%, fenorerol showed more significant increases in FEV, and FEF25~75% than in the nonresponse group, and showed a more marked response of FEF25~75% than that of the ipratropium group at 10 minutes after inhalation, However, at one hour after inhalation, their bronchodilator efficacy was similar without any statistical differences. The above results suggested that the bronchodilator effect of fenoterol occurred more rapidly than that of ipratropium and that both drugs are able to act on the central large airways as weI1 as the peripheral small airways.
기관지천식에 있어서 기관지확장제에 대한 반응양상에 관한 연구
김영철,최인선,김정일,양재범,박경옥 대한내과학회 1990 대한내과학회지 Vol.38 No.4
To evaluate the differences of lung functions and the physical characteristics between the flow responders(FR) and the volume responders(VR) to inhaled bronchodilators, the spirometric values using an FVC maneuver were measured in 105 asthmatics. The subjects were categorized as FR or VR by two kind of methods, (i.e., FR-Ⅰ: ΔFEV1/ΔFVC>1, VR-Ⅰ: ΔFEV1/ΔFVC<1, FR-Ⅱ: % change FEV1/FVC>0, VR-Ⅱ: % change FEVI/FVC<0). The basal spirometric values were significantly greater in FR than in VR with either method. There were positive relationships between the baseline lung functions and ΔFEV1/ΔFVC or % change FEV1/ FVC. The mean age and the number of smokers were significatly greater in VR than in FR. There was a tendency of volume response in men, and that was related to the high frequency of smoking. These data suggest that the patterns of bronchodilator response depend on the severity of the airway obstruction and that the predominant volume response occurs in the elderly and in smokers with more severe airway diseases.