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Cutaneous heat and light‐induced pain thresholds in post‐traumatic headache attributed to mild traumatic brain injury

Objective The purpose of this study was to characterize cutaneous heat and light‐induced pain thresholds in people with post‐traumatic headache (PTH) compared with healthy controls (HCs). Background Photophobia and allodynia are common in PTH, and there is emerging evidence to support multimodal sen...

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Published in:Headache 2022-06, Vol.62 (6), p.726-736
Main Authors: Starling, Amaal J., Cortez, Melissa M., Jarvis, Nicholas R., Zhang, Nan, Porreca, Frank, Chong, Catherine D., Schwedt, Todd J.
Format: Article
Language:English
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Summary:Objective The purpose of this study was to characterize cutaneous heat and light‐induced pain thresholds in people with post‐traumatic headache (PTH) compared with healthy controls (HCs). Background Photophobia and allodynia are common in PTH, and there is emerging evidence to support multimodal sensory dysfunction. Methods In this age‐ and sex‐matched cohort study, individuals with PTH (n = 20) and HCs (n = 20), aged 18–65 years, were recruited from an institutional database of research volunteers, from the concussion clinic, and via the use of approved flyers posted on the Mayo Clinic Campus in Scottsdale, Arizona. Participants were assessed using the Allodynia Symptom Checklist (ASC‐12), Photosensitivity Assessment Questionnaire (PAQ), State Trait Anxiety Inventory (STAI), and Beck Depression Inventory (BDI). Quantitative sensory testing quantified heat pain thresholds. A light stimulation device quantified light‐induced pain thresholds. Subsequently, heat pain thresholds were obtained immediately, 10, and 40 min after a bright light stressor. Results The mean photophobia symptom severity score, based on the PAQ, was higher in participants with PTH compared with HCs, mean 0.62 (SD = 0.25) versus mean 0.24 (SD = 0.24), p 
ISSN:0017-8748
1526-4610
DOI:10.1111/head.14318