Document Detail

Sentinel headaches in aneurysmal subarachnoid haemorrhage: what is the true incidence? A systematic review.
MedLine Citation:
PMID:  14984225     Owner:  NLM     Status:  MEDLINE    
The aim of this systematic review was to determine the incidence of sentinel headache reported by patients with aneurysmal subarachnoid haemorrhage, and whether they are likely to be due to recall bias or to misdiagnosis of a previous haemorrhage. Nine studies of good quality, which reported the number of patients with aneurysmal subarachnoid haemorrhage with a history of sentinel headache, gave rates of 10% to 43%. Two case-control studies, in which the frequency of a history of sentinel headache in patients with aneurysmal subarachnoid haemorrhage was compared with that in controls with non-aneurysmal subarachnoid haemorrhage or with stroke, gave an incidence of 5% (95% confidence interval 0.5, 16) in controls, suggesting that only a small number of apparent sentinel headaches are due to recall bias. Sentinel headaches appear to be a real entity. Their true incidence may vary from near zero to about 40% according to the rate of misdiagnosis in the community under consideration.
A Polmear
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Publication Detail:
Type:  Journal Article; Review    
Journal Detail:
Title:  Cephalalgia : an international journal of headache     Volume:  23     ISSN:  0333-1024     ISO Abbreviation:  Cephalalgia     Publication Date:  2003 Dec 
Date Detail:
Created Date:  2004-02-26     Completed Date:  2004-03-31     Revised Date:  2008-02-11    
Medline Journal Info:
Nlm Unique ID:  8200710     Medline TA:  Cephalalgia     Country:  England    
Other Details:
Languages:  eng     Pagination:  935-41     Citation Subset:  IM    
The Trafford Centre for Graduate Medical Education and Research, The University of Sussex, Falmer, Brighton, UK.
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MeSH Terms
Headache / epidemiology*,  etiology
Subarachnoid Hemorrhage / complications,  epidemiology*
Comment In:
Cephalalgia. 2003 Dec;23(10):933-4   [PMID:  14984224 ]

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