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The effects of dexmedetomidine on inflammatory factors, T lymphocyte subsets and expression of nuclear factor-κB (NF-κB) in peripheral blood mononuclear cells in patients receiving radical surgery of colon carcinoma were investigated. A total of 141 patients receiving radical surgery of colon carcinoma from January 2014 to April 2017 were divided into two groups randomly. The patients in the treatment group were given dexmedetomidine, while the patients in the control group were treated with saline. Results showed that there were no significant differences in preoperative levels of NF-κB, sICAM-1 and IL-8 between the two groups. However, the above three indexes of the groups were all significantly increased at 0.5 and 24 h after operation, and the results showed that the control group had a higher degree of increase (P&lt;0.05). It was also found that the changes in levels of IL-6 and CRP in patients were the same as those of the above three indexes; in other words, the degree of the increase in the control group was significantly higher than that in the treatment group after operation. Moreover, it was found that there was little difference in the preoperative Ramsay score of patients between the two groups. The scores at 0.5 and 12 h after operation in the treatment group were significantly higher than those in the control group (P&lt;0.05). It was also found that the intraoperative and postoperative dosages of fentanyl in the treatment group were significantly less than those in the control group (P&lt;0.05). We can conclude that the application of dexmedetomidine during anesthesia in patients receiving radical operation of colon carcinoma has a better clinical treatment effect, which can reduce the secretion of inflammatory factors, decrease the inhibition of immunity and reduce the use of fentanyl.

oncology letters

Effects of dexmedetomidine on inflammatory factors, T lymphocyte subsets and expression of NF‑κB in peripheral blood mononuclear cells in patients receiving radical surgery of colon carcinoma