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目的探讨FUS-200尿沉渣分析仪在尿液分析中的常见误差、原因以及减少误差的措施。方法收集门诊及住院患者新鲜尿液标本,用FUS-200全自动尿沉渣分析仪和尿液干化学分析仪联合检测,对两者任一项有阳性结果均进行手工显微镜复检,共计200份患者尿液标本进行分析。结果 200例患者中血尿组60例,非血尿组140例;管型尿组30例,非管型尿组170例。其中血尿组显微镜与FUS-200检出红细胞均为60例,阳性符合率为100.0%;非血尿组140例中,FUS-200检出红细胞140例,显微镜检出红细胞125例,其中假阳性标本15例,假阳性标本中结晶尿10例,类酵母菌5例。管型尿组的显微镜及FUS-200的阳性检出均为30例,阳性符合率为100.0%;非管型尿组FUS-200检查假阳15例,假阳性标本中粘液丝12例,皮细胞尿3例。结论通过FUS-200尿沉渣分析仪、尿干化学分析仪阳性标本,用显微镜复检,可有效防止尿沉渣检查中假阳性结果的发生。
Objective To investigate the common errors, causes and error-reducing measures of FUS-200 urine sediment analyzer in urine analysis. Methods Fresh urine samples from outpatients and inpatients were collected and tested by FUS-200 automatic urinary sediment analyzer and urine dry chemical analyzer. Both of them had a manual microscope examination with positive results, a total of 200 Urine specimens from patients were analyzed. Results 200 cases of hematuria in 60 patients, 140 cases of non-hematuria; tubular urine group of 30 cases, 170 cases of non-tubular urine group. The hematuria group microscope and FUS-200 detected red blood cells were 60 cases, the positive coincidence rate was 100.0%; 140 cases of non-hematuria group, 140 cases of FUS-200 detected erythrocytes, 125 cases of red blood cells detected by microscopy, including false-positive specimens 15 cases, 10 cases of crystal urine in false positive specimens, 5 cases of yeast. Tubular urinary microscopy and FUS-200 positive detection were 30 cases, the positive coincidence rate was 100.0%; non-tubular urine group FUS-200 check false positive in 15 cases, false positive specimens of mucinous silk in 12 cases, skin 3 cases of cell urine. Conclusion FUS-200 urine sediment analyzer, urine dry chemical analyzer positive specimens, with a microscope re-examination, can effectively prevent the occurrence of false positive urine test results.