Abstract

ObjectiveMechanical failure and inflammatory response are two mechanisms proposed for the development of Modic changes, even though they have not been clearly demonstrated, yet. Diabetes mellitus (DM) harbors micro- and macroangiopathy due to the irreversible glycation of proteins, increased oxidative stress, and inflammation. In this study, we aimed to identify whether DM was associated with Modic changes in terms of inflammatory process. MethodsWe conducted a cross-sectional study using our prospectively collected retrospective database of patients with DM who had visited the outpatient clinics at a university hospital. In 3999 patients with DM, 266 had spinal MRI due to cervical, thoracic or low back pain. We included patients, who had lumbar spine MRIs due to low back and/or leg pain and blood draw for HbA1c simultaneously. We analyzed 48 symptomatic patients with DM. We had also symptomatic patients without DM as control group. ResultsSevere intervertebral disc degeneration was significantly associated with Modic changes. Severe intervertebral disc degeneration had no significant association with serum HbA1c percentage and DM duration. Patients with Modic changes at any lumbar level had significantly higher HbA1c percentages, and longer duration of DM than those without Modic changes. Symptomatic patients with DM had higher rates of Modic changes compared to symptomatic ones without DM. ConclusionsSeverity and duration of DM were both closely associated with Modic changes, whereas the association of severity and duration of DM with severe intervertebral disc degeneration remained unclear.

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