Application of Dexmedetomidine Combined with Ropivacaine in Colorectal Cancer Surgery
LI Shen-zhan
2022, 40(10):
4-7.
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Objective To investigate the value of dexmedetomidine combined with ropivacaine in transversus abdominis plane(TAP) block in patients undergoing colorectal cancer surgery. Methods A total of 72 patients with colorectal cancer undergoing general anesthesia in Jinxiang County People’s Hospital from January 2019 to December 2021 were selected as the research subjects, and were randomly divided into control group (36 cases) and observation group (36 cases). Both groups were treated with TAP block after anesthesia induction. The control group was treated with ropivacaine and the observation group was treated with dexmedetomidine combined with ropivacaine. The analgesic effect [visual analogue scale (VAS) score], postoperative recovery, stress response [serum cortisol (Cor), epinephrine (E)], inflammatory factor [tumor necrosis factor α (TNF-α), interleukin-6 (IL-6)] and adverse symptoms were compared between the two groups. Results The VAS scores of the observation group were lower than those of the control group at 6 h, 8 h, 12 h and 24 h after operation, and the anesthesia, exhaustion, defecation, out-of-bed activity and hospitalization time were shorter than those of the control group, the difference was statistically significant. (P<0.05); Before anesthesia, there was no statistically significant difference in Cor, E, TNF-α and IL-6 between the two groups (P>0.05); 24 hours after operation, Cor, E, TNF-α and IL-6 in the observation group were lower than those in the control group, the difference was statistically significant. (P<0.05); The adverse reactions of the two groups were similar, and there was no statistically significant difference (P>0.05). Conclusion Dexmedetomidine combined with ropivacaine for TAP block in patients with colorectal cancer surgery can obtain good analgesic effect, and alleviate the body stress reaction and inflammatory reaction, which may lay a good foundation for postoperative recovery, and high safety, worthy of clinical application.