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Occipital nerve stimulation for headache disorders
Koen Paemeleire1, Thorsten Bartsch
1Department of Neurology, Ghent University Hospital, Ghent, B-9000 Belgium. koen.paemeleire@ugent.be
Abstract:
Occipital nerve stimulation (ONS) was originally described in the treatment of occipital neuralgia. However, the spectrum of possible indications has expanded in recent years to include primary headache disorders, such as migraine and cluster headaches. Retrospective and some prospective studies have yielded encouraging results, and evidence from controlled clinical trials is emerging, offering hope for refractory headache patients. In this article we discuss the scientific rationale to use ONS to treat headache disorders, with emphasis on the trigeminocervical complex. ONS is far from a standardized technique at the moment and the recent literature on the topic is reviewed, both with respect to the procedure and its possible complications. An important way to move forward in the scientific evaluation of ONS to treat refractory headache is the clinical phenotyping of patients to identify patients groups with the highest likelihood to respond to this modality of treatment. This requires multidisciplinary assessment of patients. The development of ONS as a new treatment for refractory headache offers an exciting prospect to treat our most disabled headache patients. Data from ongoing controlled trials will undoubtedly shed new light on some of the unresolved questions.
Insights
Occipital nerve stimulation (ONS) offers new hope for severe headache patients. This treatment, targeting the trigeminocervical complex, shows promise for conditions like migraine and cluster headaches, with ongoing trials expected to clarify its effectiveness.
Area of Science:
- Neurology
- Neurosurgery
- Pain Management
Background:
- Occipital nerve stimulation (ONS) was initially developed for occipital neuralgia.
- Indications for ONS have broadened to include primary headache disorders like migraine and cluster headaches.
- Encouraging results from retrospective and prospective studies suggest ONS as a potential therapy for refractory headaches.
Purpose of the Study:
- To review the scientific rationale for using ONS in headache treatment, focusing on the trigeminocervical complex.
- To discuss the current status of ONS, including procedural variations and potential complications.
- To highlight the importance of clinical phenotyping for identifying patient subgroups likely to benefit from ONS.
Main Methods:
- Review of recent scientific literature on occipital nerve stimulation for headache disorders.
- Discussion of the trigeminocervical complex's role in headache pathophysiology.
- Emphasis on the need for multidisciplinary patient assessment and clinical phenotyping.
Main Results:
- Evidence from controlled clinical trials for ONS in headache treatment is emerging.
- ONS is not yet a standardized technique, with variations in procedures and potential complications noted.
- Clinical phenotyping is crucial for optimizing ONS treatment efficacy in refractory headache patients.
Conclusions:
- Occipital nerve stimulation presents a promising new treatment avenue for severely disabled patients with refractory headaches.
- Further data from ongoing controlled trials are necessary to fully elucidate the role and efficacy of ONS.
- Multidisciplinary approaches and precise patient selection are key to advancing ONS as a headache therapy.
