77. Altered H-reflex following pulsed radiofrequency in patients with lumbosacral radicular pain

Pulsed radiofrequency (PRF) short-lasting bursts allow pain modulation with no tissue necrosis. Neurophysiological evaluation of PRF possible effects has not been described yet. Objective of this study was to investigate the effects of PRF on sensory nerve conduction and H-reflex in patients with lumbosacral radicular pain.We evaluated 23 patients with unilateral L5-S1 root pain who underwent PRF at the corresponding level of radicular symptoms. PRF was applied through a multifunctional electrode introduced via trans-sacral access for 240s.

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