Abstract
Objective
To compare the efficacy of the transforaminal approach (TFA) versus the interlaminar approach (ILA) for CT-guided epidural steroid injection (CTESI) in the treatment of persistent lumbosacral radicular pain (LRP > 6 weeks) with long-term follow-up.
Methods
Patients were prospectively assessed for pain by visual analogue scale (VAS) and functional disability (Oswestry Disability Index, (ODI)) before treatment, then 6 weeks (6W), 6 months (6 M), and 5 years (5Y) after CTESI.
Results
Overall, n = 237 patients (TFA, n = 71 and ILA, n = 166) were included, and 96 patients had 5 years of follow-up. Both groups showed a statistically significant improvement in VAS and ODI values at 6W (TFA, n = 60 and ILA, n = 146, P < 0.001 for both), at 6 M (TFA, n = 34 and ILA, n = 96, P < 0.001 for both), and at 5Y (TFA, n = 32 and ILA, n = 64, P < 0.001 for both). No significant differences were observed between the two approaches in VAS or ODI decreases at 6W (P = 0.38 and P = 0.33 respectively), 6 M (P = 0.13 and P = 0.51 respectively), or 5Y (P = 0.15 and P = 0.57 respectively). No major complications were noted.
Conclusion
Outcomes after CTESI by ILA approaches are similar to those by TFA for the treatment of persistent LRP.
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Abbreviations
- LRP:
-
Lumbosacral radicular pain
- ESI:
-
Epidural steroid injections
- ILA:
-
Interlaminar approach
- TFA:
-
Transforaminal approach
- MRI:
-
Magnetic resonance imaging
- IMSKR:
-
Interventional musculoskeletal radiologists
- VAS:
-
Visual analogue scale score
- ODI:
-
Oswestry Disability Index
- D0:
-
Day zero—start of the study
- 6W:
-
6 Weeks
- 6M:
-
6 Months
- 5Y:
-
5 Years
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Bise, S., Langlet, B., Pesquer, L. et al. Transforaminal versus interlaminar CT-guided lumbar epidural steroid injections: prospective study of 237 patients with unilateral radicular pain and up to 5 years of follow-up. Skeletal Radiol 52, 1959–1967 (2023). https://doi.org/10.1007/s00256-023-04290-y
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DOI: https://doi.org/10.1007/s00256-023-04290-y