• Kuan Liu, Pengcheng Liu, Run Liu, Xing Wu, and Ming Cai.
• Department of Orthopaedics, Shanghai Tenth People's Hospital, Tongji University School of Medicine, Shanghai, People's Republic of China.
• Drug Des Dev Ther. 2015 Jan 1;9:707-16.

PurposeTo investigate the effectiveness and safety of epidural steroid injections in patients with lumbar spinal stenosis (LSS).MethodsWe performed a search on the CENTRAL, Pubmed, Embase and Cochrane databases up to September 2014. We recovered 17 original articles, of which only 10 were in full compliance with the randomized controlled trial (RCT) criteria. These articles were reviewed in an independent and blinded way by two reviewers who were previously trained to extract data and score their quality by the criteria of the Cochrane Handbook (5.1.0).ResultsWe accepted ten studies with 1,010 participants. There is minimal evidence that shows that epidural steroid injections are better than lidocaine alone, regardless of the mode of epidural injection. There is a fair short-term and long-term benefit for treating spinal stenosis with local anesthetic and steroids.ConclusionsThis meta-analysis suggests that epidural steroid injections provide limited improvement in short-term and long-term benefits in LSS patients.

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