| Effects of Postoperative Patient Controlled Epidural Analgesia in Pediatric Patients Undergoing Lower Extremity Surgery. |
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Jae Kwang Shim, Jeong Il Kim, Sung In Choi, Kyeong Tae Min, Yong Taek Nam |
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Department of Anesthesiology & Pain Medicine, Yonsei University College of Medicine, Seoul, Korea. ytnam@yumc.yonsei.ac.kr |
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| Abstract |
BACKGROUND
A limited number of studies have been conducted on postoperative epidural analgesia in pediatric patients.
There have been primarily dealt with spinal or abdominal surgeries where multiple dermatomal segments needed to be blocked and morphine was given either through the caudal approach or by direct catheter placement. This study evaluated the safety and efficacy of postoperative continuous patient controlled epidural analgesia (PCEA) in children undergoing lower extremity surgery using a bupivacaine and fentanyl via lumbar approach.
METHODS
The patient population consisted of 40 children ranging in age from 5 to 12 years. Patients were randomly divided into two groups according to postoperative pain relief regimen; the control group received an intramuscular injection of ketorolac 1 mg/kg t.i.d. and meperidine 0.5 mg/kg p.r.n., and the epidural group received PCEA (0.1% bupivacaine + fentanyl 2 microgram/ml) through an epidural catheter positioned at the surgical dermatomal level of the spinal cord. In the epidural group the volume of the initial dose was 1 ml/segment in children 10 years of age. The basal infusion rate was 0.1 ml/kg/hr (bolus: 0.05 ml/kg, lockout time: 30 minutes). Pain scores were measured upon arrival at the ward, and 6 and 24 hours thereafter.
RESULTS
The epidural group had significantly lower pain scores and minimal side effects. A significant correlation was observed between the bolus number and the incidence of nausea/vomiting in the epidural group.
CONCLUSIONS
This study shows that PCEA targeted at the surgical dermatome is a safer and more effective regimen for postoperative pain relief than conventional postoperative pain relief in pediatric patients undergoing lower extremity surgery. |
| Key Words:
Lower extremities surgery; patient controlled epidural analgesia; pediatric |
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