Interventional Pain Management for Facet Joint Disorders
Summary
Facet joint disorders arise from degenerative or inflammatory changes in the synovial articulations of the spine, frequently manifesting as chronic neck or low back pain. Interventional pain management targets nociceptive transmission emanating from facet joints through diagnostic and therapeutic procedures. Diagnostic medial branch blocks serve to confirm the facet joint as the pain generator by temporarily anaesthetising the articular nerve supply. Therapeutic options include intra-articular corticosteroid injections to reduce synovial inflammation and radiofrequency ablation (RFA) of the medial branch nerves to interrupt pain signal conduction. Recent refinements in procedural imaging, probe design and lesion-generation techniques have improved targeting precision and lesion consistency, thereby enhancing safety and clinical outcomes. Patient selection based on clinical assessment and confirmatory nerve blocks remains pivotal to maximise benefits and minimise unwarranted interventions.
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Interventional Pain Management for Facet Joint Disorders publication trend
The graph below shows the total number of articles in interventional pain management for facet joint disorders across all publications each year (not limited to Nature Index journals).
Technical terms
Facet joint: A synovial articulation between adjacent vertebral articular processes that can become a source of axial spinal pain when degenerated or inflamed.
Medial branch block: A diagnostic injection of local anaesthetic around the medial branch nerves supplying a facet joint, used to confirm that joint as the pain generator.
Intra-articular injection: Administration of corticosteroid or local anaesthetic directly into the facet joint capsule to reduce inflammation and provide temporary analgesia.
Radiofrequency ablation (RFA): A technique using thermal energy delivered via a needle electrode to coagulate the medial branch nerve, interrupting pain signal conduction.
Pulsed radiofrequency: A variant of RFA that delivers short bursts of energy at lower temperatures, intended to modulate pain pathways without creating a permanent lesion.
References
- Facet joint syndrome: from diagnosis to interventional management. Insights into Imaging (2018).
- Consensus practice guidelines on interventions for cervical spine (facet) joint pain from a multispecialty international working group. Regional Anesthesia & Pain Medicine (2021).
- Evaluation of the Short‐ and Long‐Term Effectiveness of Pulsed Radiofrequency and Conventional Radiofrequency Performed for Medial Branch Block in Patients with Lumbar Facet Joint Pain. Pain Research and Management (2018).
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