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  • Title: Wound infiltration with ropivacaine and fentanyl: effects on postoperative pain and PONV after breast surgery.
    Author: Johansson A, Kornfält J, Nordin L, Svensson L, Ingvar C, Lundberg J.
    Journal: J Clin Anesth; 2003 Mar; 15(2):113-8. PubMed ID: 12719050.
    Abstract:
    STUDY OBJECTIVE: To determine whether postoperative wound infiltration with local anesthetics combined with fentanyl improves analgesia following breast surgery; and to investigate awakening and postoperative nausea/vomiting. DESIGN: Prospectively randomized clinical study. SETTING: University hospital. PATIENTS: 45 ASA physical status I and II patients scheduled for breast surgery. INTERVENTIONS: Patients were prospectively randomized and assigned to one of three treatments during general anesthesia: postsurgical wound infiltration with ropivacaine 0.375%; wound infiltration with ropivacaine 0.375% combined with fentanyl 0.5 microg/kg; and intravenous (i.v.) fentanyl 0.5 microg/kg before skin incision and no wound infiltration. Time to first verbal response, pain at rest, postoperative nausea and vomiting, and ketobemidone and dixyrazine utilization were compared. MEASUREMENTS AND MAIN RESULTS: Time to first verbal response was significantly shorter in the i.v. fentanyl group compared to both infiltration groups (8.1 +/- 4.5 min vs. 15.3 +/- 4.3, and 12.0 +/- 5.0 min; p < 0.05, respectively). Postoperative pain at rest, and nausea and vomiting occurred with similar frequencies in the groups. Ketobemidone utilization in both infiltration groups, (2.4 +/- 1.8 mg and 3.1 +/- 1.8 mg, respectively) was not different compared to the i.v. fentanyl group (2.9 +/- 2.0 mg; NS). There were no differences in postoperative antiemetic requirements during the first, second and third two-hour periods postoperatively. The dixyrazine consumption was similar in the three groups, (0.9 +/- 1.5 mg, 0.8 +/- 1.3 mg, and 1.4 +/- 1.8 mg, respectively; NS). CONCLUSION: Postsurgical ropivacaine wound infiltration, with or without adding fentanyl, demonstrates no differences in postoperative pain relief and nausea/vomiting compared to a balanced general anesthetic including i.v. fentanyl.
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