The levels of adrenocorticotrophic hormone(ACTH),corticosteroid(COR),glucagon were measured before tracheal intubation,before operation,at 30 min after operation and before heparinization.

• 在气管插管前、开腹前、开腹后30min、全身肝素化前对静脉血中的促肾上腺皮质激素(ACTH)、皮质醇(COR)、胰高血糖素的浓度进行测定。