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Habituation of the nociceptive blink reflex in episodic and chronic cluster headache.
MedLine Citation:
PMID:  22807570     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
Background: Analysis of habituation patterns in patients with primary headache disorders allows the detection of changes to the excitability level of the trigeminal nociceptive system. Previous studies demonstrated a habituation deficit to painful stimuli in migraine and it was suggested that similar observations could be made in cluster headache (CH).Methods: Habituation of the "nociceptive" blink reflex (nBR) (R2 response) was studied in 66 CH patients (18 episodic CH inside bout, 28 episodic CH outside bout, 20 chronic CH) as well as in 30 healthy controls in a case-control study design.Results: Habituation behaviour was similar in CH and healthy controls as well as in CH subtypes. No side-to-side differences of habituation between headache side and non-headache side were detected.Conclusion: Our results did not detect an altered habituation in CH patients. Despite clinical similarities, migraine and CH seem not to share the same pathophysiological mechanisms in this regard.
Authors:
Dagny Holle; Silke Zillessen; Charly Gaul; Steffen Naegel; Holger Kaube; Hans-Christoph Diener; Zaza Katsarava; Mark Obermann
Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-7-17
Journal Detail:
Title:  Cephalalgia : an international journal of headache     Volume:  -     ISSN:  1468-2982     ISO Abbreviation:  -     Publication Date:  2012 Jul 
Date Detail:
Created Date:  2012-7-18     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8200710     Medline TA:  Cephalalgia     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Affiliation:
Department of Neurology, University of Duisburg-Essen, Germany.
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