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Cys C及其GFR评估方程在糖尿病肾病诊断中的应用 被引量:15

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摘要 目的探讨半胱氨酸蛋白酶抑制剂C(Cys C)及其肾小球滤过率(GFR)评估方程(Grubb公式)在糖尿病肾病(DN)及其分期中的应用。方法选取糖尿病(DM)患者184例,检测患者血清Cys C、Cr、Urea、Alb及24 h尿微量白蛋白(mAlb)。通过MDRD方程、简化MDRD方程、C-G方程及Cys C方程评估入选患者预测GFR(eGFR),并进行比较。结果早期DN组患者血清Cys C为1.17(0.97,1.44)mg/L,与单纯DM组[1.04(0.89,1.22)mg/L]比较,Z=-6.54,P<0.05;与临床DN组[1.85(1.30~2.75)mg/L]比较,Z=-3.90,P<0.01。Cys C方程、MDRD方程、简化MDRD方程、C-G方程的eGFR值早期DN组与临床DN组比较,差异均有统计学意义(P<0.01);单纯DM组与早期DN组比较,仅Cys C方程的eGFR值,差异有统计学意义(P<0.05)。在CKDⅠ期、Ⅱ期,Cys C方程eGFR值显著低于MDRD方程、简化MDRD方程和C-G方程(P<0.01);在CKDⅢ~Ⅴ期,Cys C方程eGFR值与MDRD方程差异无统计学意义(P>0.05),但显著低于简化MDRD方程、C-G方程(P<0.01)。结论 Cys C及其评估方程可能提高DN的检出率,在评估CKDⅢ~Ⅴ期DN患者GFR时可能优于简化MDRD方程和C-G方程,在CKDⅠ期、Ⅱ期DN患者中存在低估现象。
出处 《临床检验杂志》 CAS CSCD 北大核心 2013年第1期14-16,共3页 Chinese Journal of Clinical Laboratory Science
基金 安徽省高校省级自然科学基金(KJ2010A197)
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