Pain management
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Aim: Radiofrequency ablation (RFA) of genicular nerves can treat refractory chronic knee pain. This study evaluated association between patient and procedural characteristics and pain improvement after genicular nerve RFA. Materials & methods: A retrospective chart review. ⋯ Predictors of improved pain outcomes included higher baseline pain, no depression and thermal (vs cooled) RFA. Conclusion: Identifying patients who may benefit the most from genicular RFA is still not clear. Pain reduction differences between patients with and without depression and RFA type deserves further exploration.
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Aim: To evaluate pain and length of stay outcomes in six patients who received an erector spinae plane block (ESPB) in the emergency department (ED) for low back pain. Materials & methods: A case series of six patients who received unilateral or bilateral ESPB after presenting to the ED for acute atraumatic axial low back pain. ⋯ No postprocedure opiates in the ED or after discharge were required. Conclusion: The ESPB is a rapid, safe and opiate-sparing option for the treatment of acute low back pain.
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Aim: To investigate the effect of knee osteoarthritis (OA) compartment location on pain relief following genicular radiofrequency ablation. Materials & methods: A retrospective chart review was performed on 62 patients. Visual analog scale scores at 3 and 6 months post procedure were compared with baseline and between compartment groups. ⋯ Patellofemoral compartment OA was a significant predictor for a higher visual analog scale at 3 months (p = 0.018). Conclusion: Compartmental location of knee OA impacts pain relief following genicular radiofrequency ablation. Future protocols could target nerves based on which compartments are more affected on imaging.