【摘要】 用强迫振荡法测定75例慢阻肺患者的呼吸系统有效阻力和顺应性。结果3Hz有效阻力是随着慢支及肺气肿病情发展逐渐增大,并呈规律性变化(P<0.01)。而测量5Hz、7Hz时有效阻力无差异。认为3Hz低频率情况下有效阻力能够反映慢阻肺发展过程不同阶段的病变程度。更多还原

【Abstract】 Respiratory effective resistance and compliance are measureed by the forced oscillation technique in 75 patients with chronic obstructive pulmonary diseases. Mean Values of the respiratory effective resistance at 3Hz increase markedly with degrees of seriousness of bronchitis and emphysema ( P<0.01) while mean values at 5Hz and 7Hz are not significantly different for them ( P>0.05). These data show the respiratory effactive resistance at low frequency as 3Hz can indicate the degrees of seriousness of chronic obstructive pulmonary diseases.更多还原