Abstract
Abstract Background Low back pain (LBP) due to disc herniation is a frequent cause of back pain. It is a debilitating condition having enormous medical and socio-economic effects. Epidural injection of steroids has been used to treat LBP for many decades. Despite widespread use and numerous publications there is significant controversy with regards to the medical necessity and indications for epidural injections, hence we planned this study. Materials and methods This was a prospective follow-up study. Forty-one patients of confirmed diagnosis of prolapse intervertebral disc (PIVD) were included. Caudal epidural steroid injection (CESI) of 80 mg methylprednisolone acetate diluted in 20 ml of 0.9% saline was given. Outcome was assessed by Numeric Pain Rating Scale (NRS), Oswestry Disability Index (ODI), Straight Leg Raise (SLR) and Modified Schober Test (MST) at baseline, one, three, six and twelve weeks follow-up. Results Thirty-seven patients completed the study. Significant improvement in patient's status was observed after CESI, as measured with MST, SLR, NRS and ODI at one and three weeks post injection and the improvement were maintained till 12th week. Eighty-three per cent of patients were satisfied at the end of the study and side-effects reported were mild. Conclusion CESI is a simple, safe and cost effective intervention procedure for the treatment of chronic LBP due to PIVD. It provides rapid pain relief and improvement of physical function starting within a week of injection.
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