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慢性肾脏病合并急性肾小管间质损伤患者血清NGAL和尿KIM-1水平变化及临床意义 被引量:9

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摘要 目的探讨慢性肾脏病(CKD)继发急性肾小管间质损伤(ATIL)患者血清中性粒细胞明胶酶相关脂质运载蛋白(NGAL)和尿肾损伤分子-1(KIM-1)水平的变化及临床意义。方法随机选择CKD患者167例,根据是否继发ATIL分为CKD继发ATIL组(106例)和CKD未继发ATIL组(61例),根据肾小管间质损伤程度将CKD继发ATIL患者分为轻度组(35例)、中度组(49例)和重度组(22例)。以40例体检健康者作为对照组。收集研究对象临床资料,采用酶联免疫吸附法检测血清NGAL和尿KIM-1水平。结果 CKD继发ATIL组血清NGAL和尿KIM-1水平高于CKD未继发ATIL组和对照组,CKD未继发ATIL组高于对照组(P<0.05)。CKD继发ATIL患者中,重度组血清NGAL和尿KIM-1水平高于中度组和轻度组,且中度组高于轻度组(P<0.05)。CKD继发ATIL患者血清NGAL水平与血清胱抑素C、尿α1微球蛋白和尿N-乙酰β-D氨基葡萄糖苷酶呈正相关,相关系数分别为0.382、0.415、0.331(P<0.05);尿KIM-1水平与上述3个指标亦呈正相关,相关系数分别为0.295、0.307、0.452(P<0.05)。血清NGAL和尿KIM-1水平与CKD继发ATIL患者病情严重程度呈正相关,相关系数分别为0.611、0.577(P<0.05)。血清NGAL预测CKD继发ATIL的受试者工作特征曲线(ROC曲线)下面积为0.852,临界值为98.15ng/mL时,灵敏度为72.6%,特异度为80.3%;尿KIM-1预测CKD继发ATIL的ROC曲线下面积为0.749,临界值为0.83ng/mL时,灵敏度为70.1%,特异度为78.2%;二者联合检测的ROC曲线下面积为0.877,灵敏度为91.5%,特异度为70.5%。结论CKD继发ATIL患者血清NGAL和尿KIM-1水平均升高,且与患者病情严重程度有关,可作为CKD继发ATIL的预测指标。
作者 石健
出处 《国际检验医学杂志》 CAS 2017年第11期1565-1567,共3页 International Journal of Laboratory Medicine
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