Patient Characteristics, Prognosis and Outcome Measures in Patients with Concurrent Neck Associated Headache Operated for Degenerative Cervical Radiculopathy. a Population Based Study by NORspine

Detailed Summary

Surgery for degenerative cervical radiculopathy (DCR) is one of the most common causes of neck surgery. The typical surgical indication is radicular pain (arm pain) caused by nerve impingement. However, many patients also report varying degrees of pain in the neck and head. This headache, often referred to as cervicogenic headache (CEH), is believed to result from the convergence of trigeminal afferents and the upper three cervical spinal nerves in structures such as facet joints, ligaments, cervical muscles, intervertebral and nerve roots. The diagnostic criteria used to distinguish CEH from the other types of headaches are based on low to moderate evidence and can be challenging due to their similar clinical presentations. Nevertheless, headache disorders are a common cause of disability and many patients undergoing surgery for DCR report headache. However, prior reports assessing headache in patients surgically treated for DCR are limited by small sample sizes, inconsistent inclusion criteria and outcome measures. Consequently, there is limited understanding about the frequency of DCR associated headache and whether these patients experience meaningful improvements in their headache following surgical treatment. The aims of this study are to assess 1) the frequency of DCR associated headache in patients operated for DCR, 2) the minimal clinical important change for NRS headache 3) if DCR associated headache is an independent prognostic factor for neck pain-related disability and 4) if patients experience improvement in their headache 12 months after surgery for DCR.

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