The Effectiveness of Various Types of Electrical Stimulation of the Spinal Cord for Chronic Pain in Patients with Postherpetic Neuralgia: A Literature Review

被引:7
|
作者
Isagulyan, Emil [1 ]
Tkachenko, Vasily [2 ]
Semenov, Denis [1 ]
Asriyants, Svetlana [1 ]
Dorokhov, Evgeny [1 ]
Makashova, Elizaveta [1 ]
Aslakhanova, Karina [1 ]
Tomskiy, Alexei [1 ]
机构
[1] Natl Med Res Ctr Neurosurg, Burdenko Inst Neurosurg, 4th Tverskaya Yamskaya St 16, Moscow 125047, Russia
[2] Cent State Med Acad Russian Federat, Marshalla Timoshenko St, 19, Moscow 121359, Russia
来源
PAIN RESEARCH & MANAGEMENT | 2023年 / 2023卷
关键词
DORSAL-ROOT GANGLION; HIGH-FREQUENCY; PULSED RADIOFREQUENCY; NEUROPATHIC PAIN; ZOSTER; MULTICENTER; MECHANISMS; MANAGEMENT; EFFICACY;
D O I
10.1155/2023/6015680
中图分类号
R74 [神经病学与精神病学];
学科分类号
摘要
Introduction. Postherpetic neuralgia (PHN) is a severe condition that remains a challenge to treat. Spinal cord stimulation (SCS) is used in cases of insufficient efficacy of conservative treatment. However, in contrast to many other neuropathic pain syndromes, there is a huge problem in reaching long-term stable pain relief in patients with PHN using conventional tonic SCS. The objective of this article was to present a review of the current management strategies of PHN, their efficacy, and safety. Materials and Methods. We searched for articles containing the keywords "spinal cord stimulation AND postherpetic neuralgia," "high-frequency stimulation AND postherpetic neuralgia," "burst stimulation AND postherpetic neuralgia" and "dorsal root ganglion stimulation AND postherpetic neuralgia" in Pubmed, Web of Science, and Scopus databases. The search was limited to human studies published in the English language. There were no publication period limitations. Bibliographies and references of selected publications on neurostimulation for PHN were further manually screened. The full text of each article was studied once the abstract was analyzed by the searching reviewer and found appropriate. The initial search yielded 115 articles. Initial screening based on abstract and title allowed us to exclude 29 articles (letters, editorials, and conference abstracts). The full-text analysis allowed us to exclude another 74 articles (fundamental research articles, research utilizing animal subjects, and systemic and nonsystemic reviews) and results of PHN treatment presented with other conditions, leaving 12 articles for the final bibliography. Results. 12 articles reporting on the treatment of 134 patients with PHN were analyzed, with a disproportionally large amount of traditional SCS treatment than that to alternative SCS: DRGS (13 patients), burst SCS (1 patient), and high-frequency SCS (2 patients). Long-term pain relief was achieved in 91 patients (67.9%). The mean VAS score improvement was 61.4% with a mean follow-up time of 12.85 months. Although the number of patients in alternative SCS studies was very limited, almost all of them showed good responses to therapy with more than 50% VAS improvement and reduction of analgesic dosage. The article contains a review analysis of 12 articles concerning the current methods of treatment for postherpetic neuralgia including conservative treatment, spinal cord stimulation, and novel neuromodulation strategies. Available information on the pathophysiology of PHN and the effect or stimulation on its course, together with a number of technical nuances concerning various types of neurostimulation are also elucidated in this article. A number of alternative invasive treatments of PHN are also discussed. Conclusions. Spinal cord stimulation is an established treatment option for patients with pharmacologically resistant PHN. High-frequency stimulation, burst stimulation, and dorsal root ganglion stimulation are promising options in the management of PHN due to the absence of paresthesias which can be painful for patients with PHN. But more research is still required to recommend the widespread use of these new methods.
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页数:8
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