Methods We treated 9 neonates who suffered respiratory failure with Bear 750-PSV ventilator in which we used the new method of low volume and permissive hypercapnia ventilation.

• 方法:用熊牌750-PSV呼吸机采用低通气和“允许性高碳酸血症”通气方法,治疗新生儿呼吸衰竭9例。