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The effects of different doses of dexmedetomidine on analgesic efficacy and inflammatory cytokines in patients with laparoscopic surgery were investigated. A total of 179 laparoscopic patients from March 2015 to May 2017 were enrolled and randomly divided into the control group (group A) and three experimental groups with different doses of dexmedetomidine (group B: 0.25; group C: 0.5 and group D: 1 µg/kg). Results showed that there was no significant difference between the four groups in the operation time, the amount of surgical bleeding and intraoperative fluid infusion. The VAS score of group A was significantly higher than the other three groups. In addition, the VAS score of group D at each time-point was the lowest. There was no significant difference regarding the agitation score and sedation score between group A and group B. Furthermore, the restlessness score and sedation score in group C were significantly lower than those in group A and group B. Next we found that CRP and TNF-α in group A and group B were significantly higher than those in groups C and D. In addition, IL-10 in group D was significantly higher than that in group C. Moreover, patients in group C had the least adverse reaction effects. In conclusion, medium dosage of dexmedetomidine cannot only effectively relieve the pain of laparoscopic patients but also regulate the secretion of inflammatory cytokines.

Effects of different doses of dexmedetomidine on analgesic efficacy and inflammatory cytokines in patients undergoing laparoscopic surgery