Coffee consumption is associated with a reduced risk of venous thrombosis that is mediated through hemostatic factor levels

  • R.E.J. R
  • B. S
  • S. L
 et al. 
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Abstract

Background: Coffee consumption is associated with a lower risk of venous thrombosis, but the role of confounding and the pathophysiology behind these findings are unclear. Objective:To assess the role of hemostatic factors in the relationship between coffee consumption and venous thrombosis. Methods: From a large case-control study, 1803 patients with a first venous thrombosis and 1803 partner controls were included. With conditional logistic regression, odds ratios (ORs) and 95% confidence intervals (CIs) for venous thrombosis were calculated for coffee consumption vs. no coffee consumption. In addition, mean differences in hemostatic factor levels between these groups were calculated in the controls. Results: Coffee consumption yielded a 30% lower risk of venous thrombosis than no coffee consumption (OR 0.7, 95% CI 0.5-0.9). Adjustment for several putative confounders (age, sex, body mass index, smoking, hormonal factors, statin, aspirin, alcohol, malignancy, and chronic disease) yielded an OR of 0.8 (95% CI 0.6-1.1). Results were similar for provoked and unprovoked events, and for deep vein thrombosis and pulmonary embolism. In controls, von Willebrand factor levels were 11 (3-19)IUdL-1 lower and factor (F)VIII levels were 11 (1-21)IUdL-1 lower in coffee consumers than in non-consumers. After adjustment of the risk estimates for these hemostatic factors, the inverse association between coffee consumption and venous thrombosis diminished (OR 1.0, 95% CI 0.7-1.4). There was no association between coffee consumption and anticoagulant proteins, fibrinogen levels, or fibrinolytic markers. Conclusions: Coffee consumption is associated with a lower risk of venous thrombosis, which seems to be mediated through von Willebrand factor and FVIII. © 2012 International Society on Thrombosis and Haemostasis.

Author-supplied keywords

  • *coffee
  • *hemostasis
  • *risk reduction
  • *vein thrombosis
  • acetylsalicylic acid
  • adult
  • aged
  • alcohol
  • antithrombin/ec [Endogenous Compound]
  • article
  • blood clotting factor 8/ec [Endogenous Compound]
  • body mass
  • cardiovascular risk
  • case control study
  • chronic disease
  • controlled study
  • deep vein thrombosis
  • female
  • fibrinogen/ec [Endogenous Compound]
  • fibrinolysis
  • human
  • hydroxymethylglutaryl coenzyme A reductase inhibit
  • lung embolism
  • major clinical study
  • male
  • neoplasm
  • priority journal
  • protein C/ec [Endogenous Compound]
  • protein S/ec [Endogenous Compound]
  • risk assessment
  • smoking
  • von Willebrand factor/ec [Endogenous Compound]

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Authors

  • Roach R.E.J.

  • Siegerink B.

  • le Cessie S.

  • Rosendaal F.R.

  • Cannegieter S.C.

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