目的：探讨血小板计数危急值的临床应用价值及其界值的调整方法。方法回顾性分析2012年1月至2013年12月血小板计数不超过50×109／L的患者的血小板计数危急值发生率及分布规律；并召开临床协调会，共同商定适合不同科室的血小板计数危急值。结果共检测血小板计数193776人次，其中血小板计数危急值1602人次，检出率为0．83％。血液科血小板计数危急值调整为小于或等于10×109／L ；外科调整为小于或等于50×109／L ；其他科室仍为小于或等于20×109／L ；短时间内血小板计数相差50％，也按危急值报告处理。结论按临床不同科室的需求调整血小板计数危急值，可提高临床和实验室的工作效率，保证患者的安全。%Objective To investigate clinical application of critical value of platelet count and its threshold adjustment . Methods Theincidence rate and regularities of distribution of critical value of platelet count were retrospectively analyzed in pa‐tients ,whose platelet count was ≤50 × 109/L from Jan .2012 to Dec .2013 .And the suitable critical values of platelet count for dif‐ferent clinic units were set through clinical coordination .Results The platelet count were detected in 193 776 samples ,and detection results of 1 602 samples reached the critical value of platelet count (detection rate was 0 .83% ) .The critical value of platelet for he‐matology unit was adjusted to ≤10 × 109/L ,for surgical unit was adjusted to ≤50 × 109/L ,and for other units the critical value was still ≤20 × 109/L .Meanwhile ,cases were regarded as reaching the critical value when detection results of platelet count were differ by 50% in short time .Conclusion The adjustment of critical value of platelet count for different units could improve efficiency of clinic and laboratory ,and enhance safety of patients .
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