Objective To evaluate the post traumatic changes of serum levels of IL 6,IL 8 and TNF α and their relationship to the occurrence of multiple organ dysfunction (MODS).Methods Fourty cases with seriously multiple injury were selected to measure the serum level of IL 6,IL 8 and TNF α on 12 hours,2,4,7 and 10 days after trauma.Results It was found that MODS occurred in 17 cases of the 40 cases.The levels of TNF α and IL 6,IL 8 were increased significantly in MODS group in 2 days ( P <0.05),esp...