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健康体检人群糖化血红蛋白与颈动脉内中膜厚度的关系 被引量:6

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摘要 目的分析健康体检者糖化血红蛋白(Hb A1c)水平与颈动脉内中膜厚度(CIMT)的相关性。方法采用多普勒超声检测2 223名健康体检者的CIMT,同时测定体重指数(BMI)、血压、血糖、血脂[总胆固醇(TC)、甘油三酯(TG)、高密度脂蛋白胆固醇(HDL-C)、低密度脂蛋白胆固醇(LDL-C)]和Hb A1c等指标。根据多普勒超声检测结果将健康体检者分为CIMT正常组(1 773名)、CIMT增厚组(240例)和斑块组(210例)。采用二分类Logistic回归分析筛选导致颈动脉内中膜异常的独立危险因素。采用Pearson相关分析和偏相关分析评估Hb A1c和CIMT的相关性。采用受试者工作特征(ROC)曲线分析Hb A1c和血糖对颈动脉内中膜异常的诊断价值。结果 CIMT正常组、CIMT增厚组及斑块组之间年龄、收缩压、舒张压、血糖、Hb A1c差异均有统计学意义(P<0.01)。CIMT增厚组及斑块组性别比例、BMI明显高于CIMT正常组(P<0.01),CIMT增厚组TC明显高于CIMT正常组(P<0.05)。其他指标3组之间差异均无统计学意义(P>0.05)。二分类Logistic回归分析显示,性别、年龄、舒张压、TC和Hb A1c是颈动脉内中膜异常的独立危险因素。排除性别、年龄、舒张压、TC的影响后,偏相关分析显示Hb A1c与CIMT呈明显正相关(r=0.077,P<0.01)。Hb A1c和血糖诊断颈动脉内中膜异常的ROC曲线下面积[95%可信区间(CI)]分别为0.64(0.62~0.66)和0.59(0.57~0.61),前者优于后者(Z=3.36,P<0.01)。结论健康体检人群Hb A1c水平与CIMT异常,特别是斑块形成密切相关,但其诊断早期动脉粥样硬化的价值有限。
出处 《检验医学》 CAS 2017年第12期1124-1127,共4页 Laboratory Medicine
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