Medical Research

Objectives:To investigate the effects of Preoperative epidural ropivacaine and sufentanil on postoperative pain and plasma IL-6、TNF-αconcentration,so as to conclude the clinical effect of pre-emptive analgesia.Methods:31 patients suffering uterine cervix cancer（stageⅠb toⅡa,from 30 to 55 years old,ASAⅠ-Ⅱ）undergoing total hysterectomy and extensive lymph node dissection were randomly divided into pre-emptive group（group A,n=16）and control group（group B,n=15）.An epidural catheter [...]