Effect of Perioperative Dexmedetomidine Infusion on Postoperative Delirium in Elderly Patients Undergoing Oral and Maxillofacial Surgery: A Randomized Controlled Clinical Trial.

Compared to control group, although the numbers of postoperative analgesic pump compression in the dexmedetomidine group showed a trend of fewer, there was no significant statistical difference between the two groups (P > 0.05, Table 2 ).

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