• Qing Wang, Zhen Li, Zhi-peng Wang, and Can Cui.
• Department of Anesthesiology, Guangdong General Hospital/Guangdong Academy of Medical Sciences, Guangzhou 510080, China. wqzly@ hotmail.com
• Nan Fang Yi Ke Da Xue Xue Bao. 2010 Nov 1; 30 (11): 2556-7.

ObjectiveTo investigate the preemptive analgesic efficiency of parecoxib in patients undergoing laparoscopic colorectal surgery.MethodsForty ASA I-II patients aged 30 to 64 years undergoing laparoscopic colorectal surgery were randomized to receive either intravenous parecoxib sodium (40 mg) at anesthesia induction (group A) or intravenous parecoxib sodium (40 mg) 30 min before the completion of surgery (group B). Butorphanol was administered by patient-controlled analgesia for postoperative analgesia. The intensity of pain measured by VAS score was recorded at 2, 4, 6, 8, 12, and 24 h after the operation. The number of unsatisfied demand and the number of successfully delivered doses, butorphanol consumption at 12 h and 24 h after the operation, the patients' global evaluation of the postoperative analgesia and the number of the patients receiving rescue medication and adverse effects related to analgesia were recorded and compared between the two groups.ResultsThe VAS scores at different time points were significantly lower in group A than in group B (P<0.05). The number of unsatisfied demand and the number of successfully delivered doses were significantly higher and butorphanol consumption at 12 h and 24 h after the operation was significantly less in group A (P<0.05). The incidence of adverse events was similar between the two groups.ConclusionAdministration of 40 mg parecoxib sodium at anesthesia induction in the patients undergoing laparoscopic colorectal surgery can result in significant preemptive analgesia.

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