Document Detail

Seasonal variability of venous thromboembolism.
MedLine Citation:
PMID:  19542893     Owner:  NLM     Status:  MEDLINE    
PURPOSE OF REVIEW: Seasonal variations in the incidence of cardiovascular disease, mainly characterized by a winter peak, have been consistently reported. Some evidence now also exists on potential seasonal variations in the incidence of venous thromboembolism (VTE). Of interest, seasonal variability in the incidence of deep vein thrombosis and fatal and nonfatal pulmonary embolism appears to differ; however, the results of available studies are not unequivocal. This review will briefly summarize current evidence in this area. RECENT FINDINGS: Recent studies indicate a seasonal variability in the incidence of VTE, with a pattern that is independent of sex, age, type of event, or underlying risk factors. Usually, these studies found a higher VTE incidence during the winter months and a lower incidence in the summer months. The exact mechanism of this variability is not completely understood, but it may be at least in part explained by changes in coagulation factor levels. SUMMARY: Confirmation of these findings and a better understanding of underlying mechanisms could help physicians to identify patients or periods with increased risk of VTE in order to further improve current prophylactic strategies.
Francesco Dentali; Roberto Manfredini; Walter Ageno
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Publication Detail:
Type:  Journal Article; Review    
Journal Detail:
Title:  Current opinion in pulmonary medicine     Volume:  15     ISSN:  1531-6971     ISO Abbreviation:  Curr Opin Pulm Med     Publication Date:  2009 Sep 
Date Detail:
Created Date:  2009-07-28     Completed Date:  2009-11-17     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9503765     Medline TA:  Curr Opin Pulm Med     Country:  United States    
Other Details:
Languages:  eng     Pagination:  403-7     Citation Subset:  IM    
Department of Clinical Medicine, University of Insubria, Varese, Italy.
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MeSH Terms
Risk Factors
Venous Thromboembolism / epidemiology*
World Health

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