• Hui-li Liu, Cai-hong Ma, Xiao-qing Zhang, Yan Yang, Xue-ling Song, and Xiang-yang Guo.
• Department of Anesthesiology, Peking University Third Hospital, Beijing 100191, China.
• Beijing Da Xue Xue Bao. 2013 Dec 18;45(6):901-5.

ObjectiveTo evaluate the combined effect of premedication of parecoxib sodium and local infiltration of ropivocaine on postoperative shoulder pain and incisional pain in patients undergoing diagnostic hysteroscopy and laparoscopy.MethodsIn the study, 60 patients undergoing elective diagnostic hysteroscopy and laparoscopy were randomly allocated to two groups (each with 30 patients). The patients in group 1 were premedicated with 40 mg parecoxib sodium (diluted with 2 mL normal saline), and 0.5% ropivacaine (20 mL) were infiltrated around the incision site before establishment of CO2 pneumoperitoneum. The patients in group 2 received 2 mL normal saline intraveniously before anesthesia induction, and infiltration of 0.5% ropivacaine 20 mL were also applied as group 1. After anesthetic withdrawal, the patients' postoperative anesthesia recovery time and the time point of opening eyes on verbal command were noted. The intensities of postoperative shoulder pain and incisional pain were evaluated at 0, 2, 4, 8, 12, 24, and 48 h after surgery. The postoperative analgesic requirement was met by administration of tramadol.ResultsCompared with group 2, the incidence of postoperative shoulder pain was less in group 1 (37% vs. 67%, P=0.020), and the occurence of severe pain was lower (4 vs. 11, P=0.037). The numerical rating scales (NRS) of right shoulder pain of group 1 were significantly reduced than those of group 2 at 12 h postoperatively [0 (0, 2) vs. 0 (0, 8), P=0.012]. Left shoulder pain did not appear at 0 h and 2 h in both groups, while at 12 h and 24 h postoperatively, the NRS scores of group 1 were lower than those of group 2 [0 (0, 1) vs. 0 (0, 8), P=0.026; 0 (0, 4) vs. 2 (0, 9), P=0.014]. The dynamic and static abdominal pain scores of group 1 were significantly decreased than those of group 2 in post-anesthesia care unit (PACU) after surgery (P=0.001, P=0.005). The NRS scores of static abdominal pain of group 1 were significantly reduced than those of group 2 at 12 h and 24 h postoperatively (P=0.042, P=0.029). More patients in group 2 needed tramadol within 24 h postoperatively (8 vs. 0, P=0.002).ConclusionPremedication of parecoxib sodium combined with local infiltration of ropinvocaine before incision could significantly reduce the postoperative shoulder pain and incisional pain as well as reduce opioid consumption in patients undergoing diagnostic hysteroscopy and laparoscopy.

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