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Diabetologia:2型糖尿病和糖化血红蛋白与视网膜小动脉增宽独立相关?

2020-07-28 MedSci原创 MedSci原创

视网膜微血管直径是心脏代谢风险的生物标记。然而,目前关于糖尿病(前期)与视网膜微血管直径的关系尚不清楚。

视网膜微血管直径是心脏代谢风险的生物标记。然而,目前关于糖尿病(前期)与视网膜微血管直径的关系尚不清楚。我们的目的是调查以白人为主的人群中糖尿病前期(空腹血糖受损或糖耐量受损)和2型糖尿病与视网膜微血管直径的关系。

在一项基于人群的队列研究中,对2型糖尿病进行了超量采样(N = 2876; n = 1630正常葡萄糖代谢[NGM]);n = 433例前糖尿病;n = 813例2型糖尿病; 51.2%的男性年龄为59.8±8.2岁。 98.6%白色),我们确定了视网膜微血管直径(通过视网膜健康信息和通知系统[RHINO]软件测量的测量单位)和葡萄糖代谢状态(使用OGTT)。 通过对年龄,性别,腰围,吸烟,收缩压,血脂状况以及使用血脂修饰药和/或降压药进行调整的多元回归分析对协会进行评估。

多变量回归分析显示2型糖尿病与小动脉宽度的前驱糖尿病相关(VS NGM;前驱糖尿病:β= 0.62 [95%CI -1.58,2.83]; 2型糖尿病:2.89 [0.69,5.08];测量单位 ); 然而,在葡萄糖代谢状态下,小动脉宽度呈线性趋势(趋势的p = 0.013)。 与较宽的小静脉的相关性在统计学上不显著(糖尿病前期:2.40 [-1.03,5.84]; 2型糖尿病:2.87 [-0.55,6.29],趋势p = 0.083;测量单位)。 较高的HbA1c水平与较宽的视网膜小动脉相关(标准化的β= 0.043 [95%CI 0.00002,0.085]; p = 0.050),但与较宽的微静脉的相关性未达到统计学显著性(0.037 [-0.006,0.080]; p = 0.092) ),然后针对潜在的混杂因素进行调整。

研究结果表明,在以白人为主的人群中,2型糖尿病、糖化血红蛋白水平升高以及可能的糖尿病前期与视网膜小动脉变宽独立相关。这些发现表明微血管功能障碍是糖代谢受损的早期现象。

原始出处:

Wenjie Li, Miranda T. Schram,Type 2 diabetes and HbA1c are independently associated with wider retinal arterioles: the Maastricht study

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