• G Schmid, S Vetter, D Göttmann, and E P Strecker.
• Department of Diagnostic Radiology and Nuclear Medicine, St. Josef Hospital, University Hospital Bochum, Gudrunstrasse 56, D-44791 Bochum, Germany.
• Cardiovasc Intervent Radiol. 1999 Nov 1;22(6):493-8.

PurposeEvaluation of short- and extended-term results of repeated epidural/perineural injections (EDT/PRT) of corticoids in painful afflictions of the lumbar spine.MethodsThirty-two patients who had persistent radicular or low back pain for more than 6 weeks were treated with CT-guided injection therapy. By EDT/PRT, 40 mg of triamcinolonacetonid was injected either periradicularly or by a direct intraspinal epidural method at intervals of 3 weeks. Altogether, 140 EDT/PRT were performed in 32 patients (mean 4.4, range 2-8). In nine patients partial facet joint denervation with 1-2 ml of 50% alcohol solution was combined with EDT/PRT to reduce low back pain. Before and after treatment and at follow-up (mean 9.6 months), treatment success was evaluated on a visual analog scale and by physical examination (good = >50% improvement, moderate = 20%-50%, no improvement = <20%).ResultsShort-term (end of therapy) good or moderate improvement was achieved in 91% of patients, extended-term (mean 9.6 months) in 56%. Regarding certain subgroups, those with disc herniations of the lumbar spine showed a better outcome with good or moderate improvement in 95% short-term and 69% extended-term than those with spinal stenosis who had 72% short-term and 28% long-term.ConclusionResults indicate that CT-guided EDT/PRT in combination with partial facet joint denervation is a safe and effective outpatient treatment.

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