Butorphanol can improve inflammation and promote the recovery of pro-inflammatory/anti-inflammatory cytokine balance.However, there is still a lack of relevant clinical studies on butorphanol and fentanyl for the incidence of hospital-acquired infections in ICU mechanically ventilated patients.The objective of this study was to evaluate the analgesic efficacy,safety and the incidence of nosocomial infection of butorphanol in mechanical ventilation patients between butorphanol and fentanyl.
To compare the incidence of hospital-acquired infections between butorphanol and fentanyl.