Objective To compare the cardiopulmonary effects of biphasic positive airway pressure (BIPAP), airway pressure release ventilation (APRV), inverse ratio ventilation (IRV) and intermittent positive pressure ventilation(IPPV)in dogs with acute lung injury.

• 目的 比较研究双水平气道压力调节通气(BIPAP)、气道压力释放通气(APRV)、反比通气(IRV)和间歇气道正压通气(IPPV)对急性肺损伤犬心肺功能的影响,探讨其应用价值。