• Suvit Bunyavejchevin, Chalomkwan Prayoonwech, and Pin Sriprajittichai.
• Reproductive Medicine Division, Department of Obstetrics and Gynecology, Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand. suvit.b@chula.ac.th
• J Minim Invasive Gynecol. 2012 Sep 1;19(5):585-8.

Study ObjectiveTo compare the preemptive analgesic efficacy between parecoxib and placebo in infertile women undergoing outpatient diagnostic laparoscopy.DesignDouble-blind, randomized, placebo-controlled study (Canadian Task Force classification I).SettingDepartment of Obstetrics and Gynecology, Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand.PatientsSixty infertile women undergoing diagnostic laparoscopy from November 2009 to January 2011.InterventionPatients were randomized to receive either 40 mg parecoxib (treatment group) or normal saline solution as placebo (control group) intravenously at 15 minutes before surgery. Postoperative shoulder and wound pain was self-assessed using a visual analog scale at 2, 6, 12, and 24 hours after surgery. Administration of rescue analgesic agents, and adverse effects were recorded.Measurements And Main ResultsThere were 30 patients in each group. Shoulder pain scores at each time measured, as well as wound pain score, was significantly lower in the parecoxib group compared with the placebo group (p < .001). The percentage of patients who required postoperative rescue analgesic therapy was lower in the treatment group compared with the control group (26.7% and 40.0%, respectively; p = .04). The treatment group required less rescue analgesic therapy than did the control group (mean [SD], 314.8 [53.9] and 842.6 [122.7] mg acetaminophen; p = .04). There was no significant difference in adverse effects between the 2 groups.ConclusionPreoperative administration of 40 mg parecoxib, compared with placebo, provided significantly superior postoperative pain relief after diagnostic laparoscopy.Copyright © 2012 AAGL. Published by Elsevier Inc. All rights reserved.

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