• World Neurosurg · Mar 2024

    Efficacy of Paravertebral Injection of Interferon-α2b combined with High-Voltage Long-Term Pulsed Radiofrequency in DRG in mitigation of Postherpetic Neuralgia: A Retrospective Study.

    • Jie Pan, Yong Fei, Ming Yao, Bing Huang, Longsheng Xu, and Beibei Liu.
    • Department of Neurology, Affiliated Hospital of Jiaxing University, Jiaxing, China.
    • World Neurosurg. 2024 Mar 1; 183: e699e706e699-e706.

    ObjectiveThis investigation aims to evaluate the effectiveness of the paravertebral injection of recombinant human interferon-α2b in conjunction with high-voltage, long-term, pulsed radiofrequency (PRF) in the dorsal root ganglion for the mitigation of postherpetic neuralgia (PHN).MethodsThis retrospective study included 84 individuals with acute PHN. The participants were divided into 3 groups. Group H was treated with interferon-α2b combined with high-voltage long-term PRF. Group C was treated with a combination of high-voltage, long-term PRF and a paravertebral injection (without recombinant human interferon-α2b), and group I was treated with interferon-α2b only. All the patients in the 3 groups were orally administered a 5-mg morphine hydrochloride quick-release tablet when a burst of pain occurred during treatment. The numerical rating scale for pain score, the interleukin-6 and galectin-3 levels, and the incidence of PHN were documented before and after therapy.ResultsThe pain intensity of all individuals decreased after therapy. Compared with group C, the numerical rating scale scores for group H were significantly reduced at 4, 8, and 12 weeks following therapy, and the PHN incidence was significantly lower. Compared with prior treatment, the recommended dosage of gabapentin capsules and immediate-release morphine hydrochloride tablets was reduced for group H. Compared with group C, the requirement for orally administrated gabapentin capsules and morphine hydrochloride tablets in group H was reduced significantly after treatment. No serious adverse reactions occurred in any of the 3 groups.ConclusionsWithin the context of treatment of acute PHN, the injection of interferon-α2b in conjunction with high-voltage, long-term application of PRF is more effective than PRF or the injection of interferon-α2b alone.Copyright © 2024 The Authors. Published by Elsevier Inc. All rights reserved.

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