SynthesisCurrent pain and headache reports2026
Lumbar Disc Features Predictive of Favorable Response to Transforaminal Epidural Steroid Injection: a Comprehensive Review.
Synthesis in Current pain and headache reports, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
backgroundLumbar disc herniation (DH) is a prevalent condition, with transforaminal epidural steroid injections (TFESI) widely used to manage associated radicular pain. Despite its common use, the predictive value of various clinical and imaging characteristics, particularly the location of LDH, on TFESI outcomes remains unclear.
objectivesThis review evaluates the influence of LDH location and other imaging or clinical predictors on TFESI efficacy, hypothesizing that more lateral herniations may be associated with better treatment outcomes. STUDY
designA systematic review of 13 studies analyzing TFESI outcomes in patients with LDH was conducted.
settingAmbulatory or outpatient setting. METHODS, PATIENTS, INTERVENTION, MEASUREMENT: Articles included patients undergoing TFESI monotherapy for pain management due to lumbar DH. Studies assessing disc morphology, herniation location (central, paracentral, foraminal, extraforaminal), and/or nerve root compression were reviewed. Outcome measures included Visual Analog Scale (VAS), Oswestry Disability Index (ODI), and other validated pain/disability indices.
resultsThree studies reported significantly better outcomes for lateral herniations (foraminal, extraforaminal), while six studies found no significant difference by location. Two studies suggested better outcomes in central herniations. Mild nerve compression, positive Slump test findings, and optimal TFESI technique correlated strongly with favorable outcomes. Severe nerve compression and technical challenges with more lateral herniations negatively impacted efficacy. LIMITATIONS: Heterogeneity in study design, outcome measures, and follow-up intervals limited generalizability. Many studies lacked control groups or long-term follow-up. Additionally, most of the included studies used particulate steroids.
conclusionLDH location influences TFESI response, with mild compression and lateral herniations generally yielding favorable outcomes. However, technical proficiency and clinical predictors, such as positive Slump test, may be stronger determinants of success than herniation location alone. Further standardized research is required to optimize patient selection and elucidate the prognostic factors that contribute to TFESI treatment response.
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