|Comparison of Epidural Methylprednisolone, Bupivacaine and Normal Saline Injection in Chronic Low Back Pain Due to Discal Hernia|
|Naghi Abedini1, Hojjat Pourfathi1, Maghsoud Eskandari1, Masoud Parish1|
|1Department of Anesthesiology, Faculty of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran.|
CJMB 2018; 5: 057-061
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Keywords : Backache, Epidural methylprednisolone, Bupivacaine, Normal saline injection
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Objective: Low back pain is the most common skeletal-muscular complaints, requiring medical care, causing many complications and social and economic damages to society as the fifth most common reason for a physician visit especially among men. The purpose of this study was to compare epidural injection of methylprednisolone, bupivacaine, normal saline in chronic low back pain due to discal hernia.
Material and Methods: In a randomized, single-blind, clinical trial conducted on patients with chronic low back pain, the impact of epidural injection of methylprednisolone, bupivacaine, normal saline in chronic low back pain due to disc herniation in three groups was randomly studied. Method of epidural injection in all groups was similar. In the first group, 80 mg of methylprednisolone in 10 cc volume, in the second group, local anesthesia drug, 10 mL of bupivacaine 0.5 %, and in the third group, 10 mL of normal saline solution (equal injected volumes) were prepared. During the injection, the patient was monitored in terms of pain, hemodynamics, consciousness, arterial oxygen saturation.
Results: Three months after treatment, the severity of pain in methylprednisolone group was less, the rate of disability in normal saline group was significantly high (P < 0.001) and also disability reduction rate in methylprednisolone group was significantly high (P < 0.001). In our study, the average time to return to daily activities in normal saline patients was significantly more (P = 0.005).
Conclusion: Epidural methylprednisolone and bupivacaine injection were more effective than placebo (normal saline) injection in these patients.
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