Lipid levels and risk of venous thrombosis: results from the MEGA-study

Lipid levels and risk of venous thrombosis: results from the MEGA-study

Author Morelli, Vania M. Autor UNIFESP Google Scholar
Lijfering, Willem M. Google Scholar
Bos, Mettine H. A. Google Scholar
Rosendaal, Frits R. Google Scholar
Cannegieter, Suzanne C. Google Scholar
Abstract The relationship between lipid levels and risk of venous thrombosis is not well established. We aimed to assess the association between several lipids and risk of venous thrombosis using data from a population-based case-control study, and to evaluate the underlying mechanism, considering confounding by common risk factors and mediation via hemostatic factors and C-reactive protein. From the Multiple Environmental and Genetic Assessment of risk factors for venous thrombosis (MEGA) study, 2234 patients with a first venous thrombosis and 2873 controls were included. Percentile categories of total/low-density lipoprotein/high-density lipoprotein cholesterol, triglycerides, and apolipoproteins B and A1 were established in controls (< 10th, 10th-25th, 25th-75th [reference], 75th-90th, > 90th percentile). In age- and sex-adjusted models, decreasing levels of apolipoproteins B and A1 were dose-dependently associated with increased thrombosis risk, with odds ratios of 1.35 (95% confidence interval 1.12-1.62) and 1.50 (95% confidence interval 1.25-1.79) for the lowest category versus the reference category, respectively. The dose-response relation remained with further adjustment for body mass index, estrogen use, statin use, and diabetes. Although apolipoproteins B and A1 were associated with several hemostatic factors and C-reactive protein, none explained the increased risk in mediation analyses. The other lipids were not associated with venous thrombosis risk. In conclusion, decreasing levels of apolipoproteins B and A1 were associated with increased risk of venous thrombosis. Our findings are consistent with experimental data on the anticoagulant properties of apolipoproteins B and A1. These findings need to be confirmed and the underlying mechanism further investigated.
Keywords Epidemiology
Lipids
Lipoproteins
Apolipoproteins
Risk factors
Venous thrombosis
Language English
Sponsor Netherlands Heart Foundation (NHF)
Dutch Cancer Foundation
Netherlands Organization for Scientific Research
Grant number NHS: 98.113
Dutch Cancer Foundation: RUL 99/1992
Netherlands Organization for Scientific Research: 912-03-033 2003
Date 2017
Published in European Journal Of Epidemiology. Dordrecht, v. 32, n. 8, p. 669-681, 2017.
ISSN 0393-2990 (Sherpa/Romeo, impact factor)
Publisher Springer
Extent 669-681
Origin http://dx.doi.org/10.1007/s10654-017-0251-1
Access rights Open access Open Access
Type Article
Web of Science ID WOS:000410179400004
URI http://repositorio.unifesp.br/handle/11600/51428

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