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Genetic predisposition to coronary artery disease is predictive of recurrent events: A Chinese prospective cohort study.
Human Molecular Genetics ( IF 3.1 ) Pub Date : 2020-02-17 , DOI: 10.1093/hmg/ddaa025 Jie Jiang 1 , Qiwen Zheng 2 , Yaling Han 3 , Shubin Qiao 4 , Jiyan Chen 5 , Zuyi Yuan 6 , Bo Yu 7 , Lei Ge 8 , Jia Jia 1 , Yanjun Gong 1 , Zhi Wang 1 , Dafang Chen 2 , Yan Zhang 1 , Yong Huo 1
Human Molecular Genetics ( IF 3.1 ) Pub Date : 2020-02-17 , DOI: 10.1093/hmg/ddaa025 Jie Jiang 1 , Qiwen Zheng 2 , Yaling Han 3 , Shubin Qiao 4 , Jiyan Chen 5 , Zuyi Yuan 6 , Bo Yu 7 , Lei Ge 8 , Jia Jia 1 , Yanjun Gong 1 , Zhi Wang 1 , Dafang Chen 2 , Yan Zhang 1 , Yong Huo 1
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Evidence of the effects of genetic risk score (GRS) on secondary prevention is scarce and mixed. We investigated whether coronary artery disease (CAD) susceptible loci can be used to predict the risk of major adverse cardiovascular events (MACE) in a cohort with acute coronary syndromes (ACS). A total of 1667 patients hospitalized with ACS were enrolled and prospectively followed for a median of 2 years. We constructed a weighted GRS comprising 79 CAD risk variants and investigated the association between GRS and MACE using a multivariable cox proportional hazards regression model. The incremental value of adding GRS into the prediction model was assessed by integrated discrimination improvement (IDI) and decision curve analysis (DCA). In the age- and sex-adjusted model, each increase in standard deviation in the GRS was associated with a 33% increased risk of MACE (HR: 1.33, 95% CI: 1.10-1.61; P = 0.003), with this association not attenuating after further adjustment for traditional cardiovascular risk factors. Addition of GRS to a prediction model of seven clinical risk factors and EPICOR prognostic model slightly improved risk stratification for MACE as calculated by IDI (+1.7%, P = 0.006; +0.3%, P = 0.024, respectively). DCA demonstrated positive net benefits by adding GRS to other models. GRS was associated with MACE after multivariable adjustment in a cohort comprising Chinese ACS patients. Future studies are needed to validate our results and further evaluate the predictive value of GRS in secondary prevention.
更新日期：2020-04-17
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