Objectives: Cluster headaches are an intensely painful and debilitating headache disorder. Conventional management includes abortive and preventative agents. A fifth of patients with chronic cluster headaches can be refractory to conventional treatment. Cluster headache can develop following whiplash trauma to the head and neck.
Case presentation: Three patients were referred to a tertiary pain medicine unit in a university teaching hospital with treatment-resistant chronic cluster headache. They were treated with a novel intervention namely, ultrasound-guided intermediate cervical plexus block with depot methylprednisolone. Patient one reported chronic cluster headache for three years. Patient two reported episodic cluster headache that appeared to be evolving into chronic cluster headache. Patient three reported bilateral cluster headache following a motor vehicle accident. Intermediate cervical plexus block provided significant and durable relief in three patients with treatment resistant chronic cluster headache.
Conclusions: The novel intervention may have played a role in aborting and preventing chronic cluster headaches.
Keywords: Whiplash associated disorder; bilateral cluster headache; chronic cluster headache; intermediate cervical plexus block.
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