Objective: To evaluate the effectiveness and analgesic efficacy of dexketoprofen administered perioperatively by comparing the dose and adverse effect of morphine in postoperative patient-controlled anesthesia.

• 目的:通过对吗啡的术后镇痛使用量和副作用的比较,评价右旋酮洛酚在围术期的有效性和镇痛效果。