The Significance of Pain Drawing as a Screening Tool for Cervicogenic Headache and Associated Symptoms in Chronic Fatigue.
Bernhoff, Gabriella, Huhmar, Helena M, Rasmussen-Barr, Eva et al. · Journal of pain research · 2022 · DOI
Quick Summary
This study looked at whether a simple drawing tool could help identify a specific type of headache (cervicogenic headache) in people with ME/CFS. Researchers found that 42% of ME/CFS patients had a particular pain pattern on their drawings that suggested their headache came from their neck. Patients with this neck-related pain pattern also experienced more dizziness, worse pain, and lower quality of life compared to others.
Why It Matters
Headaches and dizziness are common but often poorly characterized in ME/CFS patients. This study provides a practical, non-invasive screening method that could help clinicians identify patients with cervicogenic headaches who may benefit from targeted neck-related treatments. Recognizing this specific headache subtype may improve symptom management and quality of life for affected patients.
Observed Findings
42% of 275 ME/CFS patients demonstrated a C2 pain pattern on pain drawings
Dizziness/imbalance was strongly associated with C2 pain pattern (OR 6.50, p<0.001)
Patients with C2 pain pattern reported significantly higher pain intensity compared to other groups (p=0.001)
Patients with C2 pain pattern reported greater pain extent compared to other groups (p=0.001)
Patients with C2 pain pattern had lower health-related quality of life than those without headache (p=0.001)
Inferred Conclusions
Pain drawings appear to be applicable as a simple screening tool for cervicogenic headache in ME/CFS patients
Cervicogenic headache (identified by C2 pattern) is associated with more severe pain characteristics and neuropathic symptoms including dizziness/imbalance
Cervicogenic headache in ME/CFS patients warrants targeted assessment and treatment given its association with reduced quality of life
Detection of C2 pain patterns may help identify ME/CFS patients who need specialized interventions
Remaining Questions
Does the C2 pain pattern have predictive validity for treatment response to cervical-directed interventions in ME/CFS patients?
What This Study Does Not Prove
This study does not prove that pain drawings can definitively diagnose cervicogenic headache—it only suggests they may be useful as a screening tool. The cross-sectional design cannot establish whether the C2 pain pattern causes the associated symptoms (dizziness, reduced quality of life) or merely correlates with them. The findings apply only to patients being evaluated for ME/CFS and may not generalize to other populations.