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. 2023 Oct;26(7):1309-1318.
doi: 10.1016/j.neurom.2022.10.060. Epub 2022 Dec 10.

Cervical Spinal Cord Stimulation for the Treatment of Headache Disorders: A Systematic Review

Michael T Finnern  1 , Ryan S D'Souza  2 , Max Y Jin  3 , Alaa A Abd-Elsayed  4
Affiliations

Cervical Spinal Cord Stimulation for the Treatment of Headache Disorders: A Systematic Review

Michael T Finnern et al. Neuromodulation. 2023 Oct.

Abstract

Objectives: Chronic headache remains a major cause of disability and pain worldwide. Although the literature has extensively described pharmacologic options for headache treatment and prophylaxis, there remains a paucity of data on the efficacy of neuromodulation interventions for treatment of headache unresponsive to conventional pharmacologic therapy. The primary aim of this review was to appraise the literature for the efficacy of cervical spinal cord stimulation (cSCS) in treating any intractable chronic headache, including migraine headaches (with or without aura), cluster headache, tension headache, and other types of headaches.

Materials and methods: In accordance with the Preferred Reporting Items for Systematic Reviews and Meta-Analysis guidelines, we performed a systematic review by identifying studies in PubMed, Embase (Scopus), Web of Science, and Cochrane Central Register of Controlled Trials that assessed cSCS to treat chronic headache. Data were synthesized qualitatively, with primary outcomes of headache intensity and frequency. The secondary outcome was adverse effects.

Results: In total, 16 studies comprising 107 patients met the inclusion criteria. Findings were presented based on type of headache, which included migraine headache with or without aura, cluster headache, trigeminal neuropathy, occipital neuralgia, posttraumatic headache, cervicogenic headache, short-lasting unilateral neuralgiform headache with autonomic symptoms, and poststroke facial pain. Per the Grading of Recommendations, Assessment, Development and Evaluations criteria, there was very low-quality evidence that cSCS is associated with a decrease in migraine headache frequency, migraine headache intensity, and trigeminal neuropathy intensity. Placement for cSCS leads ranged from C1 to C4.

Conclusions: Our review suggests promising data from observational studies that cSCS may be helpful in decreasing frequency and intensity of chronic intractable headache. Future well-powered, randomized controlled trials are needed.

Keywords: Cervical spinal cord stimulation; headache; neuromodulation; spinal cord stimulation; systematic review.

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