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,硬膜外阻滞抑制经,引起明显血流动力
变化,而纵隔阻滞同时抑制心
和心迷走
经,不引起明显血流动力
变化。