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目的对比分析尿沉淀分析仪与显微镜检测尿液有形成分的结果差异。方法随机抽取结核病防治所门诊患者的尿液样本600份,分别采用尿沉淀分析仪和显微镜对尿液有形成分(红细胞、白细胞、管型)进行检测,并对比两种检测方法的异同。结果尿沉淀分析仪与显微镜检测到尿液中红细胞、白细胞和管型的结果各不相同。检测结果显示红细胞阳性符合率为77.5%,白细胞阳性符合率为92.7%,管型阳性符合率为21.5%。进一步分析发现两种检测方法检测到尿液有形成分的阳性数不一致,是由于受尿液中其他细菌和细胞的影响。结论尿沉淀分析仪作为一种对大批量标本进行筛选性分析的方法,精密度低,而且易受外界因素的影响,检测结果误差大。由于尿液中的有形成分较为复杂,在进行尿液分析时需与显微镜密切配合使用,以提高检测报告的准确性,降低误诊和漏诊率,从而为临床提供诊治可靠的依据。
Objective To compare and analyze the difference between urine sediment analyzer and microscope in detecting the visible components of urine. Methods Six hundred urine samples from outpatients of TB control were randomly selected. Urine sediment components (erythrocytes, leucocytes, tube type) were detected by urine sediment analyzer and microscope, and the similarities and differences of the two methods were compared. Results Urine sediment analyzer and microscope to detect urine red blood cells, white blood cells and tubular results vary. The test results showed that the positive coincidence rate of erythrocytes was 77.5%, the positive coincidence rate of white blood cells was 92.7%, and the positive coincidence rate of tube type was 21.5%. Further analysis found that the two detection methods to detect urine visible components of the positive number is inconsistent, due to the influence of other bacteria and cells in the urine. Conclusion Urinary sedimentation analyzer as a method of screening large quantities of samples with low precision, but also susceptible to external factors, the test results error. Due to the complexity of the visible components in urine, it is necessary to closely cooperate with the microscope in urine analysis in order to improve the accuracy of test reports and reduce the rate of misdiagnosis and missed diagnosis, so as to provide a reliable basis for clinical diagnosis and treatment.