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Revista Brasileira de Anestesiologia
Print version ISSN 0034-7094
ALMEIDA, Maria Cristina Simões de et al. Postoperative analgesia: comparing continuous epidural catheter infusion of local anesthetic and opioid and continuous wound catheter infusion of local anesthetic. Rev. Bras. Anestesiol. [online]. 2011, vol.61, n.3, pp. 298-303. ISSN 0034-7094. http://dx.doi.org/10.1590/S0034-70942011000300004.
BACKGROUND AND OBJECTIVES: Continuous wound infusion has been investigated as a method of postoperative pain control and its efficacy has been demonstrated when compared to saline infusion. The objective of this study was to compare the quality of postoperative analgesia, the use of opioids as rescue analgesia, patient satisfaction, and the incidence of complications between epidural catheter infusion of local anesthetic and opioids and continuous wound infusion of local anesthetic. METHODS: Thirty-eight patients undergoing elective laparotomy under general anesthesia, randomly divided into two groups, participated in this study. Group I (GI) received postoperative patient-controlled epidural analgesia (PCEA) with continuous infusion of ropivacaine and fentanyl, while Group II (GII) receive postoperative patient-controlled continuous wound catheter infusion of ropivacaine. In the postoperative period, the following parameters were assessed: quality of analgesia through the Visual Analogue Scale; use of rescue opioids; and adverse effects driving patient satisfaction. RESULTS: Decreased pain at rest and with movements (p < 0.05) and lower consumption of rescue opioids (p < 0.05) were observed in GI in all intervals evaluated, as well as greater patient satisfaction in the post anesthesia care unit (PACU). The incidence of complications was similar in both groups except for pruritus which prevailed in GI between 6 (p < 0.05) and 24 (p < 0.001) postoperative hours. CONCLUSIONS: Postoperative analgesia with opioids and local anesthetics via PCEA was superior to the patient-controlled local anesthetic infusion into surgical wound. The incidence of side effects was similar in both groups.
Keywords : Analgesia, Patient controlled; Anesthesia, Local; Analgesia, Epidural; Wounds and Injuries; Pain, Postoperative.