Document Detail

Venous thrombosis in denmark is more frequent in winter.
MedLine Citation:
PMID:  23279121     Owner:  NLM     Status:  Publisher    
We read with interest the recent letter in the Journal about seasonal variation of venous thrombosis by Ribeiro et al [1]. Based on three case-control or case-cohort studies they concluded that there is a small seasonal variation with a trough during spring but since the differences between the four seasons were within a few percent they deemed it without clinical relevance. This was in contrast to some earlier publications of which a recent meta-analysis [2] indicated a seasonal variation of venous thrombosis like the variation for arterial cardiovascular diseases showing a temporal pattern characterised by higher frequencies during winter compared with summer, but Ribeiro et al argued that this analysis might be biased because they had excluded one large study [3] showing no variation and because the meta-analysis was dominated by one large study showing a difference [4]. © 2012 International Society on Thrombosis and Haemostasis.
A L Christensen; C Dethlefsen; M T Severinsen; S R Kristensen
Publication Detail:
Type:  LETTER     Date:  2012-12-24
Journal Detail:
Title:  Journal of thrombosis and haemostasis : JTH     Volume:  -     ISSN:  1538-7836     ISO Abbreviation:  J. Thromb. Haemost.     Publication Date:  2012 Dec 
Date Detail:
Created Date:  2013-1-2     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  101170508     Medline TA:  J Thromb Haemost     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
© 2012 International Society on Thrombosis and Haemostasis.
Department of Clinical Biochemistry, Center for Cardiovascular Research, Aalborg University Hospital.
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