@article{01HM6DBGFCF7XAZDBZRMVQQYEF,
  abstract     = {{Objective: To investigate the changes in activity energy expenditure (AEE) throughout daytime cluster headache (CH) attacks in patients with chronic CH and to evaluate the usefulness of actigraphy as a digital biomarker of CH attacks.Background: CH is a primary headache disorder characterized by attacks of severe to very severe unilateral pain (orbital, supraorbital, temporal, or in any combination of these sites), with ipsilateral cranial autonomic symptoms and/or a sense of restlessness or agitation. We hypothesized increased AEE from hyperactivity during attacks measured by actigraphy.Methods: An observational study including patients with chronic CH was conducted. During 21 days, patients wore an actigraphy device on the nondominant wrist and recorded CH attack-related data in a dedicated smartphone application. Accelerometer data were used for the calculation of AEE before and during daytime CH attacks that occurred in ambulatory settings, and without restrictions on acute and preventive headache treatment. We compared the activity and movements during the pre-ictal, ictal, and postictal phases with data from wrist-worn actigraphy with time-concordant intervals during non-headache periods.Results: Four patients provided 34 attacks, of which 15 attacks met the eligibility criteria for further analysis. In contrast with the initial hypothesis of increased energy expenditure during CH attacks, a decrease in movement was observed during the pre-ictal phase (30 min before onset to onset) and during the headache phase. A significant decrease (p < .01) in the proportion of high-intensity movement during headache attacks, of which the majority were oxygen-treated, was observed. This trend was less present for low-intensity movements.Conclusion: The unexpected decrease in AEE during the pre-ictal and headache phase of daytime CH attacks in patients with chronic CH under acute and preventive treatment in ambulatory settings has important implications for future research on wrist actigraphy in CH.}},
  articleno    = {{e3360}},
  author       = {{Vandenbussche, Nicolas and Van Der Donckt, Jonas and De Brouwer, Mathias and Steenwinckel, Bram and Stojchevska, Marija and Ongenae, Femke and Van Hoecke, Sofie and Paemeleire, Koen}},
  issn         = {{2162-3279}},
  journal      = {{BRAIN AND BEHAVIOR}},
  keywords     = {{BEHAVIOR,accelerometer,cluster headache,digital,movement,wearable}},
  language     = {{eng}},
  number       = {{1}},
  pages        = {{10}},
  publisher    = {{Wiley}},
  title        = {{Patients with chronic cluster headache may show reduced activity energy expenditure on ambulatory wrist actigraphy recordings during daytime attacks}},
  url          = {{http://doi.org/10.1002/brb3.3360}},
  volume       = {{14}},
  year         = {{2024}},
}

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