Objective:To observe the clinical application of remifentanil combined with propofol anesthesia and fentanyl combined with propofol anesthesia in patients with brain surgery,and to analyze the hemodynamics and serum IL-1β,IL-6and TNF-αbefore and after operation.Methods:A total of 90 patients with brain surgery were randomly divided into control group(n=45)and observation group(n=45).All patients were given the same anesthesia combined with drugs.The control group was given fentanyl and the observation group...