The values of mean arterial pressure, left intraventricular systolic pressure, isovolemic ventricular pressure, and dp/dtmax in the BPI group were markedly higher than those in the saline group.

• （2）BPI治疗组动物平均动脉血压，左室收缩压，心室等容收缩压，左室压力最大上升和下降速度等均明显高于生理盐水组；