Corticosteroids for Pain of Spinal Origin

What Is New in the Clinical Management of Low Back Pain: A Narrative Review

Low back pain (LBP) is a prevalent condition associated with disability. Treating patients with LBP becomes further complicated by the potential presence of underlying conditions, such as cancer or traumatic injury, or biopsychosocial aspects. LBP usually has a neuropathic component that must be assessed and treated appropriately. Pharmacological management of LBP requires a thorough knowledge of the available agents and the mechanisms of the LBP. Although there are effective pharmacological treatments for LBP, it is important to consider safety issues. Fixed-dose combination products may be helpful, as they can reduce opioid consumption without sacrificing analgesic benefits. Neuromodulation is an important and sometimes overlooked treatment option for LBP and may be appropriate for chronic LBP requiring long-term treatment. Imaging studies support neuroplastic changes in the brain as a result of neuromodulation. Interventional approaches to chronic LBP are numerous and must be appropriately selected based on the individual patient. Evidence in support of epidural injections for LBP is strong for short-term pain control but moderate to limited for long-term relief. Rehabilitation for LBP can be an important element of long-term care, and new forms of rehabilitation programs are being developed using telemedicine. A variety of new and established treatments are available for patients with LBP, and clinicians and patients may benefit from emerging new treatment modalities.

Low Back Pain in Adolescent and Geriatric Populations

Spinal pain is the most common form of musculoskeletal pain. Chronic low back pain may contain nociceptive, neuropathic, and central components. Children are at risk of developing spinal pain. An increasing proportion of children develop low back pain as they become adolescents. In most adolescents, no specific diagnosis is identified. Psychological factors play a role in adolescents with back pain. Lumbar spinal stenosis causes neurogenic claudication in older patients. Magnetic resonance imaging is the best radiographic technique to detect nerve compression. Surgical decompression with or without fusion may offer greater short-term benefit but may not be significantly better than medical therapy.

Common Clinical Practice for Low Back Pain Treatment: A Modified Delphi Study

INTRODUCTION

Low back pain (LBP) is a common reason for adults to seek medical care and is associated with important functional limitation and patient burden. Yet, heterogeneity in the causes and presentation of LBP and a lack of standardization in its management impede effective prevention and treatment.

METHODS

We conducted a modified Delphi study to generate consensus statements for the diagnosis, management, and prognosis of LBP. A panel of five experts proposed 19 statements that were subsequently evaluated by physicians who treat LBP in their everyday clinical practice. Physicians were asked to validate statements in the form of a web survey assessing level of agreement on a five-point Likert-like scale.

RESULTS

Consensus (≥ 70% agreement) was obtained for all 19 statements. Strength of agreement and physician comments highlighted the importance of pain management, but also strategies to ameliorate functional limitation and prevent future LBP episodes. Respondents favored multidisciplinary approaches and multimodal management for LBP, although there was some ambiguity as to how multidisciplinary strategies could be feasibly incorporated into daily practice. Finally, the results indicated some conflict regarding the use of imaging for the diagnosis of LBP and how to classify LBP for targeted treatment.

CONCLUSION

The results of this study provide a summary of favored clinical practice for the management of chronic LBP. While the consensus statements were generally agreeable to survey respondents, some areas of ambiguity, including how to increase the feasibility of multidisciplinary strategies, when and how to use diagnostic imaging in LBP, and LBP classification, necessitate clarification in future studies and guidelines.

Caudal epidural steroid injection ultrasound-guided versus fluoroscopy-guided in treatment of refractory lumbar disc prolapse with radiculopathy

Background

Lumbar disc prolapse is a localized herniation of disc beyond intervertebral disc space and is the most common cause of sciatica; the aim of this study is to investigate the efficacy of ultrasound (US)-guided caudal epidural steroid injection (CESI) compared with fluoroscopy (FL)-guided CESI in treatment of patients with refractory lumbar disc prolapse (LDP) with radiculopathy.

Results

At the beginning of the study, there was no significant difference between both groups in all parameters. (a) Group 1 had significantly improved the straight leg raising and modified Schober tests, VAS, and ODI at 1-month and 3-month post-injection evaluation in comparison to baseline recordings (p< 0.001); (b) Group 2 had significantly improved the straight leg raising and modified Schober tests, VAS, and ODI at 1-month and 3-month post-injection evaluation in comparison to baseline recordings (p< 0.001); and (c) US-guided CESI was not statistically different from the FL-guided CESI in the improvement of the straight leg raising (p= 0.87, 0.82) and modified Schober tests (p= 0.87, 0.82) as well as VAS (p= 0.40, 0.43) and ODI (p= 0.7, 0.2) at 1-month and 3-month post-injection evaluation. In a multivariate analysis using CI = 95%, the significant predictors for a successful outcome were duration<6 months (p= 0.03, OR = 2.25), target level not L2-3/L3-4 (p< 0.001, OR = 4.13), and LDP other than foraminal type (p= 0.002, OR = 3.78). However, age < 40 years was found to be non-significant in predicting a successful outcome (p= 0.38, OR = 0.98).

Conclusion

US is excellent in guiding CESI with similar treatment outcomes as compared with FL-guided CESI.

Trial registration

ClinicalTrials.gov Identifier:NCT03933150.

Are steroids required in the treatment of ganglion impar blockade in chronic coccydynia? a prospective double-blinded clinical trial

Background

Ganglion impar blockade is a reliable and effective treatment option used in patients with coccydynia. Our primary objective was to specify the role of corticosteroids in impar blockade. We compared applications of local anesthetic with the local anesthetic + corticosteroid combination in terms of treatment efficiency in patients with chronic coccydynia.

Methods

Our study was a prospective randomize double-blind study. The patients were divided into 2 groups after randomization. The first group (group SL) was made up of patients where a corticosteroid + local anesthetic were used during ganglion impar blockade. In the second group (group L) we used only local anesthetic. We evaluated numeric rating scale (NRS) and Beck depression scale, which were employed before the procedure and in 1st and 3rd months after the procedure.

Results

Seventy-three patients were included in the final analysis. We detected a significantly greater decrease in NRS values in the 1st month in group SL than in group L (P = 0.001). In the same way, NRS values in the 3rd month were significantly lower in the group with steroids (P = 0.0001). During the evaluation of the Beck test, we detected significantly greater decreases in the 1st month (P = 0.017) and 3rd month (P = 0.021) in the SL group than in the L group.

Conclusions

Ganglion impar blockade decreases pain in the treatment of chronic coccydynia and improve depression. Addition of steroids in a ganglion impar blockade is required for treatment response that should accumulate over a long period of time.

Cryopreserved amniotic membrane and umbilical cord particulate for managing pain caused by facet joint syndrome: A case series

Treatment of back pain due to facet joint syndrome has been a challenge for physicians since its recognition ∼80 years ago. Intra-articular injections of steroids, local anesthetics, and phenol have been widely adopted despite their known shortcomings. Recently, intra-articular injection of amniotic membrane-umbilical cord (AMUC) has been utilized in various orthopedic indications, including those involving synovial joints, due to its reported anti-inflammatory properties. Herein, use of AMUC for facet joint syndrome was evaluated.A single-center case series was conducted on patients presenting with pain caused by facet joint syndrome, confirmed by single blocking anesthetic injection and treated using a single intra-articular injection of 50 mg particulate AMUC (CLARIX FLO) suspended in preservative-free saline. Patient reported back pain severity (numerical scale 0-10) and opioid use were compared between baseline and 6 months following treatment.A total of 9 patients (7 males, 2 females), average age 52.1 ± 15.9 years, were included. Five patients with cervical pain had a history of trauma, 1 patient had suffered lumbar facet injury and 3 had degenerative lumbar facet osteoarthritis. All patients had severe pain prior to injection (8.2 ± 0.8) and 4 (44%) were taking opioids (>100 morphine milligram equivalents). Six-month post-treatment, average pain had decreased to 0.4 ± 0.7 (P <.05). All patients had ceased use of prescription pain medications, including opioids. No adverse events, repeat procedures, or complications were reported.Intra-articular injection of AMUC appears to be promising for managing facet pain and mitigating opioid use. Further investigation with larger sample size is warranted.

Fluoroscopically Guided Epidural Injections of the Cervical and Lumbar Spine

Advances in imaging and the development of injection techniques have enabled spinal intervention to become an important tool in managing chronic spinal pain. Epidural steroid injection (ESI) is one of the most widely used spinal interventions; it directly delivers drugs into the epidural space to relieve pain originating from degenerative spine disorders-central canal stenoses and neural foraminal stenoses-or disk herniations. Knowledge of the normal anatomy of the epidural space is essential to perform an effective and safe ESI and to recognize possible complications. Although computed tomographic (CT) or combined CT-fluoroscopic guidance has been increasingly used in ESI, conventional fluoroscopic guidance is generally performed. In ESI, drugs are delivered into the epidural space by interlaminar or transforaminal routes in the cervical spine or by interlaminar, transforaminal, or caudal routes in the lumbar spine. Epidurography is usually performed before drug delivery to verify the proper position of the needle in the epidural space. A small amount of contrast agent is injected with fluoroscopic guidance. Familiarity with the findings on a typical "true" epidurogram (demonstrating correct needle placement in the epidural space) permits proper performance of ESI. Findings on "false" epidurograms (demonstrating incorrect needle placement) include muscular staining and evidence of intravascular injection, inadvertent facet joint injection, dural puncture, subdural injection, and intraneural or intradiscal injection. ^©RSNA, 2016 An earlier incorrect version of this article appeared online. This article was corrected on December 22, 2016.