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Thromb Res. 2010 Jan;125(1):61-6. doi: 10.1016/j.thromres.2009.03.008. Epub 2009 May 8.

Association between ADAMTS13 polymorphisms and risk of cardiovascular events in chronic coronary disease.

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1
Heart Institute, University of São Paulo Medical School, São Paulo, Brazil.

Abstract

INTRODUCTION:

Association between ADAMTS13 levels and cardiovascular events has been described recently. However, no genetic study of ADAMTS13 in coronary patients has been described.

MATERIALS AND METHODS:

Based on related populations frequencies and functional studies, we tested three ADAMTS13 polymorphisms: C1342G (Q448E), C1852G (P618A) and C2699T (A900V) in a group of 560 patients enrolled in the Medical, Angioplasty, or Surgery Study II (MASS II), a randomized trial comparing treatments for patients with coronary artery disease (CAD) and preserved left ventricular function. The incidence of the 5-year end-points of death and death from cardiac causes, myocardial infarction, refractory angina requiring revascularization and cerebrovascular accident was determined for each polymorphim's allele, genotype and haplotype. Risk was assessed with the use of logistic regression and Cox proportional-hazards model and multivariable adjustment was employed for possible confounders.

RESULTS:

Clinical characteristics and received treatment of each genotype group were similar at baseline. In an adjusted model for cardiovascular risk variables, we were able to observe a significant association between ADAMTS13 900V variant and an increased risk of death (OR: 1,92 CI: 1,14-3,23, p=0,015) or death from cardiac cause (OR:2,67, CI: 1,59-4,49, p=0,0009). No association between events and ADAMTS13 Q448E or P618A was observed.

CONCLUSIONS:

This first report studying the association between ADAMTS13 genotypes and cardiovascular events provides evidence for the association between ADAMTS13 900V variant and an increased risk of death in a population with multi-vessel CAD.

PMID:
19427680
DOI:
10.1016/j.thromres.2009.03.008
[Indexed for MEDLINE]
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