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Efficacy of preemptive analgesia on acute postoperative pain in children undergoing major orthopedic surgery of the lower extremities

 Do-Hyeong Kim  ;  Namo Kim  ;  Jae Hoon Lee  ;  Minju Jo  ;  Yong Seon Choi 
 Journal of Pain Research, Vol.11 : 2061-2070, 2018 
Journal Title
 Journal of Pain Research 
Issue Date
epidural analgesia ; postoperative analgesia ; orthopedics ; pediatrics
Background: Children undergoing major orthopedic surgery of the lower extremities can experience severe postoperative pain; yet, the ideal postoperative pain management strategy is unknown. Thus, in this patient population, we investigated the effect of intraoperative epidural infusion of local anesthetic on acute postoperative pain and analgesic consumption. Patients and methods: Patients (N=50, 3–12 years) randomly received either ropivacaine 0.15% (preemptive group) or normal saline (control group) as an initial bolus of 0.2 mL/kg, followed by continuous infusion of 0.15 mL/kg/h throughout surgery. Following surgery, patientcontrolled epidural analgesia with ropivacaine 0.1% was provided. The main study outcomes were the revised Face, Legs, Activity, Cry, and Consolability pain scores, epidural ropivacaine consumption, and additional analgesic requirements during the first 48 hours postoperatively. Results: Forty-seven patients completed the study, 23 in the preemptive group and 24 in the control group, respectively. The revised Face, Legs, Activity, Cry, and Consolability pain scores were significantly lower in the preemptive group only at 30 minutes after postanesthesia care unit arrival and 6 hours after surgery (median difference –1.0, 95% CI –2.0 to –1.0, P=0.001 and median difference –2.0, 95% CI –3.0 to –1.0, P=0.005, respectively). However, they were not significantly different between the groups at 12, 24, and 48 hours postoperatively. Epidural ropivacaine consumption and additional analgesic requirements throughout 48 hours postoperatively were not significantly different between the groups. Conclusion: Intraoperative epidural infusion of ropivacaine did not demonstrate preemptive analgesic efficacy within 48 hours postoperatively in children undergoing extensive lower limb orthopedic surgery.
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1. Journal Papers (연구논문) > 1. College of Medicine (의과대학) > Dept. of Anesthesiology and Pain Medicine (마취통증의학교실)
Yonsei Authors
김남오(Kim, Namo) ORCID logo https://orcid.org/0000-0002-0829-490X
김도형(Kim, Do Hyeong) ORCID logo https://orcid.org/0000-0003-2018-8090
이재훈(Lee, Jae Hoon) ORCID logo https://orcid.org/0000-0001-6679-2782
조민주(Jo, Minju)
최용선(Choi, Yong Seon) ORCID logo https://orcid.org/0000-0002-5348-864X
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