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Papers of the Week
Transition of cluster headache: Depicting side-changing attacks as a chronic trait in an interview-based follow-up study.
Authors
Søborg MK, Petersen AS, Lund N, Barloese MCJ, Jensen RHAbstract
Cluster headache presents in an episodic and chronic form, between which patients can convert during the course of disease. We aimed to quantify the rate of cluster headache patients changing phenotype within one and five years and investigate the earlier proposed association between chronification and having side-shifting attacks.