NEJM:糖尿病和稳定型缺血性心脏病患者的肌钙蛋白和心血管事件

2015-08-13 MedSci MedSci原创

    肌钙蛋白浓度被用来确定急性冠脉综合征的哪些患者将受益于紧急血运重建。研究人员推测,这也可能会用于病情稳定型缺血性心脏病患者以确定心血管事件高风险的患者谁也可能从冠脉血运重建中获益。    研究人员使用高灵敏度检测方法测量了基线的2285例同时患有2型糖尿病和病情稳定型缺血性心脏病患者的心肌肌钙蛋白T浓度,并招募了这些患者参加了2型糖尿病旁路血管成形术

肌钙蛋白浓度被用来确定急性冠脉综合征的哪些患者将受益于紧急血运重建。研究人员推测,这也可能会用于病情稳定型缺血性心脏病患者以确定心血管事件高风险的患者谁也可能从冠脉血运重建中获益。

研究人员使用高灵敏度检测方法测量了基线的2285例同时患有2型糖尿病和病情稳定型缺血性心脏病患者的心肌肌钙蛋白T浓度,并招募了这些患者参加了2型糖尿病旁路血管成形术血运重建研究。研究人员测试了肌钙蛋白T浓度与心血管原因,心肌梗死或卒中死亡的复合终点之间的关联;与那些具有正常肌钙蛋白T浓度(<14ng/L)患者相比,研究人员评估随机分配具有异常肌钙蛋白T浓度(≥14ng/L)的患者来是否可以提高血运重建来降低复合终点发生率。

在2285例患者中,在基线时,2277(99.6%)例患者检测到肌钙蛋白T浓度≥3纳克每升,897(39.3%)例患者有正常的肌钙蛋白T浓度。在基线时有异常肌钙蛋白T浓度的患者5年时复合终点的发生率为27.1%,那些正常基线肌钙蛋白T浓度的患者发生率为12.9%。在模型中,研究人员对心血管危险因素,糖尿病的严重程度,心电图异常,冠状动脉分析进行了调整,其中异常肌钙蛋白T浓度的患者复合终点危险比为1.85(95%置信区间[Cl],1.48〜2.32;P<0.001)。在异常肌钙蛋白T浓度患者中,与单独药物治疗相比,随机分配提高了血管重建,但并没有减少复合终点的发生率(风险比,0.96;95%Cl,0.74〜1.25)。

心肌肌钙蛋白T浓度是2型糖尿病和稳定型缺血性心脏病患者由于心血管,心肌梗死或卒中死亡的独立预测因子。14ng/L或更高的异常肌钙蛋白T值不能确定亚组患者哪些可以受益于随机分配来提高冠脉血运重建。

原文链接:

Brendan M. Everett,Maria Mori Brooks, Helen E.A. Vlachos,et al.Troponin and Cardiac Events in Stable Ischemic Heart Disease and Diabetes,NEJM,2015.8.13

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糖尿病、高血压和脂质异常被证明都可以增加心血管疾病风险。然而,传统的2型糖尿病管理模式主要关注血糖控制,强有力的证据支持高血压和脂质异常的综合管理可以降低心血管疾病风险。为了评估2型糖尿病患者中血糖、血压和血脂(3Bs)的控制水平,并探讨医院类型、医师专业、治疗模式和患者信息对临床结局的影响,来自北京大学人民医院纪立农教授及其团队进行了一项研究,该研究发现中国T2DM患者心

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