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N末端前体脑钠肽在老年早期糖尿病肾病中的诊断价值 被引量:5

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摘要 目的探讨N末端前体脑钠肽(NT-ProBNP)水平在≥60岁的老年2型糖尿病肾病(DN)患者中的早期诊断价值。方法收集2型糖尿病(DM)患者106例,根据尿白蛋白排除率(UAER)将患者分为:大量白蛋白尿组(UAER>300mg/d)、微量白蛋白尿组(30mg/d≤UAER<300mg/d)、正常白蛋白尿组(UAER<30ms/d)。测定各组NT-ProBNP水平,同时观察各组间年龄、血肌酐(Scr)、胱抑素C(Cysc)、糖化血红蛋白(HbA1c)等因素对NT-ProBNP水平的影响。结果大量白蛋白尿组、微量白蛋白尿组和正常白蛋白尿组患者血清NT-ProBNP水平比较,差异有显著性(P<0.05),且随着肾功能损害加重,NT-ProBNP逐渐升高;Spearman相关分析显示NT-ProBNP与UAER(r=0.611,P<0.001)、Scr(r=0.342,P<0.001)、Cysc(r=0.418,P<0.001)、年龄(r=0.377,P<0.001)呈显著正相关;NT-ProBNP诊断早期DN价值的最佳临界点为118.31 pg/ml,敏感性和特异性分别为0.886和0.595,曲线下面积为0.764。结论 DN患者随着肾功能损害加重,NT-ProBNP逐渐升高,在血清NT-ProBNP接近实验室正常参考值范围上限时DM患者可能已经出现早期肾损害。测定NT-ProBNP水平对DN的早期诊断具有重要的诊断意义。
出处 《中国临床医生杂志》 2016年第1期45-47,共3页 Chinese Journal For Clinicians
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参考文献7

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