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急性肾损伤(AKI)的概念将逐渐取代传统急性肾衰竭(ARF)的概念。AKI的定义为病程在3个月以内,包括血、尿、组织学及影像学检查所见的肾脏结构与功能异常。2005年的阿姆斯特丹会议同时决定将48h内血肌酐(Scr)上升≥26.5μmol/L或原Scr值增长≥50%和(或)尿量<0.5mL/(kg.h)达6h定义为AKI的诊断标准,并制定了病情分期标准。但Scr在反映肾功能的速度和精度方面存在不足,故需要寻找敏感性和特异性更好,能够预测疾病预后并具有AKI病因特异性的生物学指标。
The concept of acute kidney injury (AKI) will gradually replace the concept of traditional acute renal failure (ARF). AKI is defined as the course of disease in less than 3 months, including blood, urine, histology and imaging findings of renal structure and function abnormalities. The 2005 Amsterdam conference also decided to define AKI as a rise in serum creatinine (Scr) ≥26.5 μmol / L or a ≥50% increase in Scr and / or urine output <0.5 mL / (kg.h) within 48 h Diagnostic criteria, and developed a staging criteria. However, Scr is insufficient in reflecting the speed and accuracy of renal function. Therefore, it is necessary to find a biological indicator that has better sensitivity and specificity and can predict the prognosis of the disease and has the etiological specificity of AKI.