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.
纵隔与硬膜相比,硬膜抑制交感神经,引起明显血流动力学变化,而纵隔同抑制心交感和心迷走神经,不引起明显血流动力学变化。