尿N-乙酰-β-D-氨基葡萄糖苷酶在检测早期肾损害中的应用

被引:19
作者
赵洁
贾玫
吴俊
机构
[1] 北京大学人民医院检验科
关键词
N-乙酰-β-D-氨基葡萄糖苷酶; 24小时尿蛋白定量; 尿微量白蛋白; 肾脏损伤;
D O I
暂无
中图分类号
R692.6 [肾小管、肾小球疾病];
学科分类号
100221 [泌尿外科学];
摘要
目的探讨N-乙酰-β-D-氨基葡萄糖苷酶(N-acetyl-β-D-glucosaminidase,NAG)对早期肾小管损伤的诊断价值。方法分别检测对照组100例,高血压患者24例,Ⅱ型糖尿病患者53例,肾炎综合征20例,肾病综合征15例,紫癜性肾炎患者2例,慢性肾功能不全患者16例,分别检测晨尿NAG水平,与传统24小时尿蛋白定量,尿微量白蛋白水平比较。结果肾炎组及肾病组患者尿NAG水平最高,慢性肾功能不全组、糖尿病组及高血压组尿NAG较健康对照组升高,P<0.01。尿NAG与尿微量白蛋白相关性良好,r=0.717,P<0.001。以血肌酐升高为因变量,尿微量白蛋白、24hr尿蛋白、尿NAG的似然比(Odd Ratio,OR)分别为91.31(P=0.002),106.55(P=0.002),135.10(P=0.004)。结论尿NAG是早期肾损害的敏感指标,其敏感性高于24小时尿蛋白定量,且NAG与尿微量白蛋白正相关。
引用
收藏
页码:2066 / 2068
页数:3
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