Effect of dexmedetomidine on early postoperative cognitive dysfunction and peri-operative inflammation in elderly patients undergoing laparoscopic cholecystectomy.

The present study found that dexmedetomidine administration decreased the incidence of mild cognitive impairment 24 h after surgery, which was consistent with the findings in Chen et al ( 28 ); however, the difference from the controls did not reach statistical significance in the previous study ( 28 ).

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