Intradiscal steroid injection for the treatment of chronic non-specific low back pain in patients with Modic type 1 change

X.-P. Mu, X.-H. Wei, S.-M. Chen, Y.-F. Ou, M.-K. Wei, J.-X. Wei

Department of Spine Surgery, Department of Operating Room, The People’s Hospital of Guangxi Zhuang Autonomous Region, Guangxi Academy of Medical Sciences, Nanning, China. weiminke0771@163.com

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• Neurosurgery

OBJECTIVE: The aim of this study was to evaluate and aggregate the evidence from the published studies to determine the effectiveness of intradiscal steroid injection (ISI) in patients with symptomatic Modic type I change (MCI).

MATERIALS AND METHODS: A systematic literature search was independently performed by two authors. The electronic database, including PubMed, Embase, the Cochrane Library, and Web of Science, were searched with the given search terms but without language restriction. The studies that met the inclusion criteria were included. The relevant data were extracted, and two authors independently assessed the quality of the included studies. We performed the present study using the STATA software package.

RESULTS: The present work included seven studies with 434 patients with chronic low back pain (CLBP). The risk of bias in the included randomized controlled trials (RCTs) was rated from low to unclear, and all the included observational studies were rated as high quality. The result of the meta-analysis revealed that there were significant differences in pain intensity [standardized mean difference (SMD): 3.09, 95% confidence interval (CI): 1.60-4.58; p<0.01] and self-assessed improvement/satisfaction [odds ratio (OR): 11.41, 95% CI: 3.39-38.41; p=0.05] after ISI compared to before treatment. However, no significant differences in the proportion of patients with full or part-time employment (OR: 1.03, 95% CI: 0.55-1.91; p>0.05), receiving additional care for CLBP (OR: 0.78, 95% CI: 0.36-1.71; p>0.05), and serious adverse events (OR: 1.09, 95% CI: 0.58 to 2.05; p>0.05) were detected between the groups.

CONCLUSIONS: Among CLBP patients with MCI, the use of ISI was significantly associated with a reduction in pain intensity in the short term.

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