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Objective. To study the effects of dexmedetomidine in combination with ropivacaine in patients undergoing craniocerebral surgery and their efficiency on cognitive function and inflammatory response of patients. Methods. 100 patients undergoing craniocerebral surgery in our hospital from November 2018 to September 2020 were randomly selected and divided into a control group and an experimental group by drawing lots, with 50 cases in each group. Patients in the control group received routine anesthesia, while those in the experimental group received 1 μg/kg of dexmedetomidine combined with 0.5% of ropivacaine for anesthesia to compare the anesthesia onset time, analgesic time, postoperative awake time, Social Disability Screening Schedule (SDSS) cognitive function score after waking, visual analogue scale (VAS) pain score, Ramsay sedation score, incidence of adverse reactions, postoperative inflammatory factor expression levels, and changes in heart rate, oxygen saturation, and blood pressure at T0, T1, T2, T3, and T4 between the two groups. Results. The anesthesia onset time, SDSS cognitive function score after waking, VAS pain score, Ramsay sedation score, incidence of adverse reactions, and postoperative inflammatory factor expression levels in the experimental group were significantly lower than those in the control group ( P &lt; 0.05 ). The analgesic time and postoperative awake time in the experimental group were significantly longer than those in the control group, with statistical significance ( P &lt; 0.05 ). There were no statistically significant differences in the changes of heart rate, oxygen saturation, and blood pressure at T0, T1, T2, T3, and T4 between the two groups ( P &gt; 0.05 ). Conclusion. Dexmedetomidine combined with ropivacaine has high application value in craniocerebral surgery.

Effect of Dexmedetomidine Combined with Ropivacaine on Cognitive Dysfunction and Inflammatory Response in Patients Undergoing Craniocerebral Surgery