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血清胱抑素C评估肾功能损伤的研究 被引量:2

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摘要 目的探讨血清胱抑素C(SCys C)在肾脏功能损伤筛查、诊断中的应用价值。方法采用胶体金免疫比浊法检测SCys C,对126例健康体检者、89例尿微量白蛋白(MA)】30mg/gCr患者和12例肾移植患者分别根据Cockroft-Gault公式、MDRD7公式、AASK公式、Nankivell公式和Schwartz公式估算肌酐清除率(CCr)和/或肾小球滤过率(eGFR),并对计算所得eGFR(及CCr)与SCysC作相关性分析,并计算SCys C的ROC曲线下面积。结果SCysC与Cockroft-Gault公式、MDRD7公式、AASK公式、Nankivell公式和Schwartz公式的相关系数分别为:-0.599、-0.654、-0.663、-0.735和-0.701(n=227),P值均小于0.001,为强负相关;在eGFR】80ml/min,尿白蛋白/肌酐≥30mg/gCr时SCys C的ROC曲线下面积分别为:0.775、0.803、0.799、0.763和0.819,P【0.05。结论在肾脏的代偿能力尚能维持正常肾小球滤过功能时,SCys C不会明显升高,SCys C作为终末期肾病的早期诊断指标,比血肌酐更敏感,但对于早期肾功能损伤的诊断,尿白蛋白比SCys C敏感,肾移植患者SCys C明显高于正常对照,不能用于评估肾小球滤过功能。只有在尿白蛋白阳性情况下,用于监控肾脏损伤的进程,SCys C比血肌酐更有价值。
出处 《浙江检验医学》 2007年第3期31-33,共3页 Zhejiang Journal of Laboratory Medicine
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参考文献8

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