The hemodynamics of acute modified Fontan model in six dogs were compared under three pumping conditions,i. e. pumping ratio of 1: 1,1:2,and no pumping.

• 本实验比较了应用该装置在搏动频率1：1、1：2和停搏3种状态下对6条犬急性改良房坦模型的血液动力学的影响。