METHOD Intravenous anesthesia with 3% pentobarbital sodium was performed to dissociate the femoral vein and femoral artery so as to insert the vein and artery cannulae to measure blood pressure.

• 方法 用3%25戊巴比妥纳静脉麻醉分离股静脉插入静脉插管、分离股功脉插入动脉插管，以测量动脉血压。