Circulation:连续测量高灵敏度肌钙蛋白I对2型糖尿病患者心血管结局的作用

2017-03-02 MedSci MedSci原创

近期,一项发表在杂志Circulation上的文章研究了高灵敏度心肌肌钙蛋白I(hsTnI)和心血管(CV)结局的变化之间是否存在一定的关联。阿格列汀使一种非选择性二肽基肽酶4(DPP-4)抑制剂,研究者们比较了阿格列汀与标准治疗(EXAMINE)的方法对心血管结局的影响。此项研究是一项IIIb期临床试验,旨在评价的阿格列汀对CV安全性。此项研究招募了患有2型糖尿病(T2DM),糖化血红蛋白在6.

近期,一项发表在杂志Circulation上的文章研究了高灵敏度心肌肌钙蛋白I(hsTnI)和心血管(CV)结局的变化之间是否存在一定的关联。


阿格列汀使一种非选择性二肽基肽酶4(DPP-4)抑制剂,研究者们比较了阿格列汀与标准治疗(EXAMINE)的方法对心血管结局的影响。此项研究是一项IIIb期临床试验,旨在评价的阿格列汀对CV安全性。

此项研究招募了患有2型糖尿病(T2DM),糖化血红蛋白在6.5%-11%之间(如果使用胰岛素,则为7%-11%)和最近发生急性冠状动脉综合征(在随机化之前15-90天)的患者。

在基线及6个月时使用Abbott ARCHITECT测定法测量hsTnI。该分析限于在ACS合格后≥30天随机化的患者,以减轻ACS后持续性hsTnI升高的可能性(n = 3808)。

试验的主要终点是CV死亡,MI或中风。

此项研究结果显示:基线时,在93%的患者可检测到hsTnI(≥1.9ng/ L),在16%的患者中其水平高于第99%URL。在基线和6个月时,hsTnI水平的增加和24个月中CV事件的发生率之间存在较强的相关性(p <0.001)。

在基线和6个月时检测不到hsTnI的患者未来发生CV事件的风险最低。与hsTnI <99th%URL的患者相比,无论hsTnI发生新的升高(28.1% vs. 8.8%; HRadj 2.65,95%CI 1.64-4.28,p <0.001)还是维持不变(22.5% vs. 8.8%; HRadj 1.90,95%CI 1.33-2.70,p <0.001),在6个月时hsTnI≥99th%URL的稳定患者的CV死亡,MI或中风的风险均增加。

与安慰剂相比,阿格列汀在高基线水平hsTnI(22.3% vs. 23.0%; HR 0.87,95%CI 0.60-1.25p = 0.44)的患者中既不增加也不降低CV事件的风险。

此项研究得出结论:对hsTnI的连续评估显示,在没有临床症状事件的T2DM患者中,有相当大比例患者具有动态或持续升高的hsTnI值,并且他们具有复发事件的高风险。hsTnI可能在糖尿病患者的个性化预防策略中发挥一定的作用。

原始出处:

Cavender MA, White WB, et al. Serial Measurement of High Sensitivity Troponin I and Cardiovascular Outcomes in Patients with Type 2 Diabetes Mellitus in the EXAMINE Trial. Circulation. 2017 Feb 28. pii: CIRCULATIONAHA.116.024632. doi: 10.1161/CIRCULATIONAHA.116.024632.

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    2017-04-12 respect
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    2017-04-22 jyzxjiangqin

    2型糖尿病患者心血管结局的作用。

    0

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