MB leads little changes of hemodynamics due to inhibit cardiac sympathicotonia and pneumogastric nerve simultaneity, but TEB brings the evident changes due to only inhibit pneumogastric nerve.

纵隔阻滞与硬膜外阻滞相比，硬膜外阻滞抑制交感神经，引起明显血流力，而纵隔阻滞同时抑制心交感和心迷神经，不引起明显血流力。

Flow chamber is one of the most effective equipment to study the response about blood corpuscle and endothelioid cells under the condition of hemodynamics in vitro.

流置广泛用于体外研究流环境中的细胞力行为,是研究细胞粘附及应力与生长关系特性的主要手段之一。

Objective To study the effect of Amrinone on hemodynamics,blood gas analysis and respiratory function in patients with pulmonary hypertension of chronic obstructive pulmonary disease(COPD).

目的研究氨力农对COPD患者肺脉高压时血流力、血气分析和肺功能的作用。方法测定COPD患者肺脉高压时静滴氨力农治疗前后的超声心图、血气分析和肺功能的作用。