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目的和方法 :用离体大鼠膈肌条为材料 ,运用收缩力学手段 ,着重观察离体条件下膈肌疲劳发生和发展过程中舒张功能变化特点 ,并对比性研究中药参麦注射液 (其主要成分为人参和麦冬 )和具有正性肌力作用的西药氨茶碱对膈肌疲劳发生时其最大舒张速率 (ｄＲ/ｄｔｍａｘ)、最大收缩?
PURPOSE AND METHODS: The isolated diaphragmatic muscle strips of rats were used to study the characteristics of diastolic function during diaphragmatic muscle fatigue and development during diastole. The contrastive study was conducted on the effects of traditional Chinese medicine Shenmai Injection (its main component Ginseng and Ophiopogon japonicus), and the positive amethod of aminophylline on diaphragmatic muscle fatigue when its maximum relaxation rate (dR / dtmax), the maximum contraction?