Document Detail

Response to occipital nerve block is not useful in predicting efficacy of occipital nerve stimulation.
MedLine Citation:
PMID:  17381559     Owner:  NLM     Status:  MEDLINE    
Occipital nerve stimulation (ONS) may be effective for the treatment of headaches that are recalcitrant to medical therapy. The objective of this study was to determine if response to occipital nerve block (ONB) predicts response to ONS in patients with chronic, medically intractable headaches. We evaluated 15 patients who underwent placement of occipital nerve stimulators for the treatment of chronic headaches. Data were collected regarding analgesic response to ONB and to ONS. Nine of 15 patients were ONS responders (> or =50% reduction in headache frequency or severity). Thirteen patients had ONB prior to stimulator implantation. Ten of 13 who had ONB had significant relief of head pain lasting at least 24 h, and three were ONB non-responders. Of the three ONB non-responders, two were ONS responders. Of the two patients who did not have ONB prior to ONS, one was an ONS responder and one was an ONS non-responder. In conclusion, analgesic response to ONB may not be predictive of the therapeutic effect from ONS in patients with medically refractory chronic headaches.
T J Schwedt; D W Dodick; T L Trentman; R S Zimmerman
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Publication Detail:
Type:  Clinical Trial; Journal Article    
Journal Detail:
Title:  Cephalalgia : an international journal of headache     Volume:  27     ISSN:  0333-1024     ISO Abbreviation:  Cephalalgia     Publication Date:  2007 Mar 
Date Detail:
Created Date:  2007-03-26     Completed Date:  2007-05-31     Revised Date:  2008-02-11    
Medline Journal Info:
Nlm Unique ID:  8200710     Medline TA:  Cephalalgia     Country:  England    
Other Details:
Languages:  eng     Pagination:  271-4     Citation Subset:  IM    
Department of Neurology, mayo Clinic College of Medicine, Scottsdale, AZ, USA.
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MeSH Terms
Cranial Nerves*
Electric Stimulation Therapy / methods*
Headache / diagnosis*,  therapy*
Middle Aged
Nerve Block / methods*
Outcome Assessment (Health Care) / methods*
Reproducibility of Results
Sensitivity and Specificity
Treatment Outcome

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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