Can Epidural Contrast Dispersal Pattern Help to Predict the Outcome of Transforaminal Epidural Steroid Injections in Patients with Lumbar Radicular Pain

World Neurosurgery
Duygu TecerMehmet Ali Taskaynatan

Abstract

To investigate the relationship between epidurographic contrast dispersal patterns and both immediate and short-term clinical effectiveness of lumbar transforaminal epidural steroid injections (TFESIs) in patients with radicular back pain. A digital database of 64 patients who underwent single-level lumbar TFESI for unilateral lumbar radicular pain was scanned. The type of contrast pattern was analyzed by 1 physiatrist and defined as follows: type 1 (tubular appearance), type 2 (nerve root visible as a filling defect), or type 3 (cloud-like appearance). Pain was evaluated with a visual analog scale (VAS) and recorded before injection and 2 days, 2 weeks, and 3 months after injection. The mean age was 45.9 ± 13.5 years (range, 22-80 years), and the mean duration of symptoms was 5.7 ± 4.2 months. Contrast distribution patterns were as follows: type 1 in 33 patients (51.6%), type 2 in 18 patients (28.1%), and type 3 in 13 patients (20.3%). Mean decrease in VAS scores at all time points was statistically significant in 3 types of contrast dispersal patterns (P < 0.05). Differences in improvements of VAS scores obtained at any assessment period and success rates were not statistically significant between groups. However, the ratio o...Continue Reading

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