Document Detail


Estimates of risk of venous thrombosis during pregnancy and puerperium are not influenced by diagnostic suspicion and referral basis.
MedLine Citation:
PMID:  15467549     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
OBJECTIVES: The purpose of this study was to determine the relative risk of deep vein thrombosis (DVT) during pregnancy and puerperium in a setting that was not influenced by diagnostic suspicion and referral bias. STUDY DESIGN: Three hundred ninety-three consecutive females with suspicion of a first episode of venous thrombosis were referred in the same way to diagnostic centers. Medical history was obtained before objective testing for deep vein thrombosis. RESULTS: Seventy-six of the 393 females were diagnosed as having deep vein thrombosis; the others were used as control subjects. The odds ratios for pregnancy, cesarean section, and puerperium after adjustment for age, center, family history, and calendar time were, respectively, 5.7 (95% CI 2.5-12.9), 4.0 (95% CI 1.3-12.6), and 2.9 (95% CI 1.2-6.9). CONCLUSION: In this case-control study, in which patients and control patients were subject to the same referral and diagnostic procedures, we found similar risk estimates for pregnancy and puerperium as in previous studies. Our findings show that previous studies were less affected by diagnostic suspicion and referral bias than presumed.
Authors:
Floortje Melis; Jan P Vandenbrouke; Harry R Büller; Louisa P Colly; Kitty W M Bloemenkamp
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  American journal of obstetrics and gynecology     Volume:  191     ISSN:  0002-9378     ISO Abbreviation:  Am. J. Obstet. Gynecol.     Publication Date:  2004 Sep 
Date Detail:
Created Date:  2004-10-06     Completed Date:  2004-11-06     Revised Date:  2004-11-17    
Medline Journal Info:
Nlm Unique ID:  0370476     Medline TA:  Am J Obstet Gynecol     Country:  United States    
Other Details:
Languages:  eng     Pagination:  825-9     Citation Subset:  AIM; IM    
Affiliation:
Department of Obstetrics, Leiden University Medical Center, Leiden, The Netherlands.
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MeSH Terms
Descriptor/Qualifier:
Adolescent
Adult
Bias (Epidemiology)
Cesarean Section
Female
Humans
Middle Aged
Odds Ratio
Pregnancy
Pregnancy Complications, Cardiovascular*
Puerperal Disorders / diagnosis*,  epidemiology*
Referral and Consultation*
Risk
Venous Thrombosis / diagnosis*,  epidemiology*

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


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