Sysmex XS-800i血细胞分析仪偶发性白细胞检测不稳定原因分析及处理

摘要

Objective To explore the causes of accidental instability of SYSMEX XS-800i blood cell analyzer for WBC testing and their countermeasures.Methods Totally 10 pieces of specimen with high deviation were analyzed retrospectively, and the changes of DIFF-Y values of WBC were observed. Sysmex detergent was used to clean the pipelines including 4DL, 4DS and EPK pipes. Fluid path electromagnetic valve was checked and then repaired or replaced. Results It's proved that the results at the first time were not reliable, and there was significant differences between the results at the first and second times for DIFF-Y value, with P<0.01. The failures were eliminated after the above countermeasures were carried out.Conclusion WBC testing pipelines and electromagnetic valve of fluid path have to be cleaned periodically to eliminate the influence on DIFF-Y value of WBC and false increase of WBC counting.%目的:探讨Sysmex XS-800i血细胞分析仪偶发性白细胞(WBC)检测不稳定原因及处理措施.方法:对出现偏差较大的10例标本检测数据进行回顾分析,观察WBC DIFF-Y值的变化.用Sysmex专用清洗剂对WBC检测管路(4DL、4DS及EPK通道)进行浸泡并反复冲洗,检修与更换相应液路电磁阀.结果:10例标本初次检测WBC结果不可信;前2次WBC检测DIFF-Y值差异非常显著(P<0.01);故障经上述处理后得以排除.结论:应定期对WBC检测管路进行清洗,检修相应液路电磁阀,否则,影响WBC计数DIFF-Y值,造成WBC计数假性升高.