• Vincent Ma and Ali Shakir.
• Case Western Reserve University School of Medicine, Cleveland, OH, USA.
• Skeletal Radiol. 2013 Nov 1;42(11):1543-7.

ObjectiveThis study aimed to determine whether the presence of type 2 diabetes impairs the therapeutic response to transforaminal cervical epidural steroid injections (TF-CESI) in the treatment of pain due to cervical radiculopathy.DesignThis is a retrospective cohort study of patients with cervical radiculopathy who underwent TF-CESI performed by a single physician.SettingSingle community-based multidisciplinary pain clinic and ambulatory surgery center.InterventionsPatients underwent from one to three TF-CESI with dexamethasone or triamcinolone.Main Outcome MeasuresChange in self-reported numerical pain score.ResultsOut of 387 charts reviewed, complete data were available for 329 subjects who underwent TF-CESI from February 2006 through January 2010. The injections consisted of either 40 mg triamcinolone or 15 mg dexamethasone. Of the 329 total subjects, 35 had type 2 diabetes and 294 did not. The diabetic group had a mean age of 58.1 years with standard deviation (SD) of 11.2, mean body mass index (BMI) of 33.1 (SD 7.1), mean pre-procedure pain score of 6.7 (SD 2.2) and mean reduction in pain score of 2.5 (SD 2.4). The non-diabetic group had a mean age of 52.8 (SD 12.4), mean BMI of 28.2 (SD 5.4), mean pre-procedure pain score of 6.7 (SD 1.8), and mean reduction in pain score of 2.4 (SD 2.2). A two-sample t test with equivalent variance showed no statistically significant difference in the mean reduction in pain score between the diabetic and non-diabetic groups. The patients in the diabetic group were typically older and had higher BMIs.ConclusionsThe efficacy of TF-CESI for treating cervical radicular pain in this set of 329 patients was independent of the presence of type 2 diabetes.

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