• Mannuel Feliciano B Alican, Mario R Ver, Miguel Rafael D Ramos, and Lulu Joan C Mamaril.
• Institute of Orthopedics and Sports Medicine, St. Luke's Medical Center, Quezon City, Philippines.
• Spine. 2020 Aug 1; 45 (15): 101710231017-1023.

Study DesignRandomized clinical trial.ObjectiveTo evaluate the efficacy of the postoperative single-shot bolus of epidural Fentanyl and Bupivicaine in providing pain relief postlumbar decompression surgery.Summary Of Background DataDespite lumbar decompression's success in alleviating symptoms of sciatica, radiculopathy, and neurogenic claudication, transient back and buttock pain has been a common complaint postoperatively. Providing good postoperative pain alleviation predicts patient's quality of recovery.MethodsWe performed a randomized, double-blinded, clinical trial. Forty-five patients scheduled for lumbar decompression for a year's period who were randomly assigned to receive a postoperative bolus of 10-mL solution of 50 mcg of Fentanyl, 0.125% Bupivacaine, and 0.9% saline solution via an intraoperatively placed epidural catheter immediately after wound closure, before dressing application. Facial pain scale scores (from 0 to 10) were measured at three time points after surgery (fully awake at recovery room, transfer to ward, first postoperative day). Postoperative need for oral analgesics, time to independent ambulation, associated adverse events, and time to hospital discharge were also evaluated.ResultsPain scores were noted to be significantly lower at all time points in the epidural group (P < 0.001). In turn, they also received less on-demand oral pain medications than those in the control group (P = 0.000). The mean time to ambulation was 0.09 days in the epidural group and 0.91 days in the decompression-alone group (P = 0.000). Criteria for hospital discharge were usually met on Day 0 in the epidural and Day 1 in the control group (P = 0.000). Within the study period, only one infection was noted in the epidural group which necessitated additional lumbar spine surgery (4.3%). No adverse events or complications related to Fentanyl use were observed.ConclusionsA postoperative bolus of Fentanyl and Bupivacaine is effective in reducing early postoperative pain without the related complications of opiod administration.Level Of Evidence2.

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