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首页> 外文期刊>Disease markers >Association between angiotensin II type 1 receptor polymorphism and sudden cardiac death in myocardial infarction
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Association between angiotensin II type 1 receptor polymorphism and sudden cardiac death in myocardial infarction

机译:血管紧张素II 1型受体多态性与心肌梗死猝死之间的关系

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摘要

Objective. The renin-angiotensin system is involved in the pathogenesis of coronary artery disease and myocardial infarction (MI). Angiotensin II (Ang II) hasmany adverse effects such as vasoconstriction and vascular remodeling, and these actions are mediated by the angiotensin II type 1 receptor (AT1R). Patients and Methods. A total of 1376 patients were recruited from January 2010 to April 2012. The study group consisted of 749 patients with ACS (317 females and 432 males) and of 627 healthy controls. Results. The ACS patients demonstrated a lower proportion of AA genotypes and AC genotypes but higher proportions of CC genotypes than the control Population. The AT1R CC genotype conferred a 2.76-fold higher risk of MI compared with the genotype AC and AA. In addition, the CC genotype was also associated with a 4.08 times higher risk of left anterior descending artery infarction and a 3.07 times higher risk of anterior wall Infarction. We also found that the CC genotype was independently associated with sudden cardiac death. In Summary. This study demonstrated that the AT1R CC genotype is an independent risk factor for ACS incidence, and this genotype is associated with a greater ACS severity and greater risk of sudden cardiac death.
机译:目的。肾素-血管紧张素系统参与冠状动脉疾病和心肌梗塞(MI)的发病机理。血管紧张素II(Ang II)具有许多不良反应,例如血管收缩和血管重塑,这些作用由血管紧张素II 1型受体(AT1R)介导。患者和方法。从2010年1月至2012年4月,共招募1376例患者。研究组包括749例ACS患者(317例女性和432例男性)和627例健康对照者。结果。与对照人群相比,ACS患者表现出较低的AA基因型和AC基因型比例,但较高的CC基因型比例。与AC和AA基因型相比,AT1R CC基因型的MI风险高2.76倍。此外,CC基因型还与左前降支梗死风险高4.08倍和前壁梗死风险高3.07倍相关。我们还发现CC基因型与心脏性猝死独立相关。综上所述。这项研究表明,AT1R CC基因型是ACS发生的独立危险因素,并且该基因型与更大的ACS严重程度和更大的心脏猝死风险相关。

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