According to a survey conducted in China in 2017, the proportion of hospitals using PCIA is 43.8% [ 4 ], and the number of patients using PCIA after surgery has shown an increasing trend in recent years [ 5 ].
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The effect of esketamine combined with sufentanil based patient-controlled intravenous analgesia for postoperative pain in patients undergoing third molar surgery and maxillofacial trauma: a randomized clinical trial.
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