Objective To investigate whether acute lung injury(ALI)and changes of myocardial ATP enzymes were induced by intravenous or intraventricle of left heart injection of lipopolysaccharide(LPS)in aging rats.

• 目的观察给衰老大鼠静脉或左心室内注入脂多糖(lipopolysaccharide,LPS)后,是否发生急性肺损伤(acutelunginjury,ALI)以及心肌组织ATP酶等的改变情况。