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为了探讨慢性镉中毒早期诊断指标,对31名镉作业工人尿β_2-微球蛋白、尿白蛋白、尿镉进行了测定。在尿镉和尿β_2-微球蛋白浓度高的工人中,当尿β_2-微球蛋白与白蛋白比值大于0.1时,肾小管对β_2-微球蛋白的重吸收率明显的降低。所以用尿β_2-微球蛋白与尿白蛋白的比值,可以对肾损害进行早期定位诊断。
In order to explore the early diagnosis of chronic cadmium poisoning indicators, 31 cadmium workers urinary β_2-microglobulin, urinary albumin, urine cadmium were measured. In urine cadmium and urine β 2 -microglobulin concentrations in workers, when urinary β 2 microglobulin to albumin ratio greater than 0.1, tubular reabsorption of β 2 microglobulin significantly reduced. So with urine β_2-microglobulin and urinary albumin ratio, early diagnosis of renal damage can be diagnosed.