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3D-Neuronavigation In Vivo Through a Patient's Brain During a Spontaneous Migraine Headache
Published on: June 2, 2014
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Defining migraine days, based on longitudinal E-diary data
Britt W H van der Arend1, Iris E Verhagen1, Matthijs van Leeuwen2
1Department of Neurology, Leiden University Medical Center, Leiden, The Netherlands.
Cephalalgia : an International Journal of Headache
|April 6, 2023
Summary
Standardizing the migraine day definition is crucial. A proposed definition includes headache duration, specific characteristics, or acute medication use, improving migraine day classification.
Area of Science:
- Neurology
- Clinical Research
Background:
- Standardization of migraine day definition is needed for clinical practice and research.
- Current definitions may not accurately capture all migraine experiences.
Purpose of the Study:
- To prospectively compare different migraine day definitions.
- To propose a standardized definition for migraine days.
Main Methods:
- Prospective study of 1494 migraine patients using e-diaries.
- Comparison of baseline definition (≥4 hours OR triptan OR aura) with alternative criteria.
Main Results:
- 66.2% of triptan-defined migraine days had <4 hours duration.
- Adjusting headache duration to ≥30 minutes increased total migraine days by 5.4% (0.45 days/month).
- These additional days had a median duration of 2.5 hours.
Conclusions:
- A proposed definition includes: headache (≥30 min, ≥2 characteristics, ≥1 associated symptom), aura (5-60 min), or acute medication use.
- This refined definition aims to improve accuracy in identifying and quantifying migraine days.
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