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.
纵隔滞与硬
滞相比,硬
滞
制交感神经,引起明
动力学变化,而纵隔
滞同时
制心交感和心迷走神经,不引起明
动力学变化。