After the commencement of infusion, blood samples (0.6ml) were taken at 0, 30, 60, 120, and ISOmin point and were then snap frozen at -20 ? for defecting the levels of serum lipids, glucose, and insulin.

• 在灌注omin，30min，6Omin，120min和180min时，分别经右颈总动脉采血样0.；6ml，3h内分离出血清，一20℃保存，1周内检测血糖、FFA、TG和胰岛素水平。