• D N Uvarov, M M Orlov, V F Fedoseev, A V Berezin, and E V Nedashkovskiĭ.
• Anesteziol Reanimatol. 2007 May 1 (3): 28-30.

AbstractA prospective study included 90 adult patients undergoing thoracic surgery. After placing an epidural catheter at the Th4-Th5 level, all the patients were randomized in 3 groups. Twenty-nine patients received controlled epidural analgesia (PCEA) with fentanyl, 2 microg/ml, in 0.2% bupivacaine solution (Group 1). In other groups, these analgesics were given either as bolus infections (Group 2; n = 30) or as a continuous epidural infusion of fentanyl, 2 microg/ml, in 0.2% bupivacane solution (Group 3; n = 27). Pain scores and the incidence of adverse effects were assessed within the first 24 hours after surgery. The data were compared using the Student's t-test and x2 test with Bonferroni correction; p < 0.017 was regarded as statistically significant. The VAS scores in coating were significantly lower in Group 1 than in Groups 2 and 3. The need for epidural opioids for adequate analgesia within the first 24 hours after surgery was significantly less in Group 1 than in Groups 2 and 3. There were no excessive sedation episodes in all the groups. In Group 2, the incidence of nausea was 20%. These adverse reactions were not found during PCEA and continuous infusion (p < 0.017). Opioid-induced pruritus was mostly (23%) observed in Group 2. Thoracic PCEA with fentanyl-bupivacaine solution provided adequate postoperative analgesia after thoracotomy and reduced the need for opioids. In addition, PCEA reduced the incidence of adverse reactions of opioids.

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