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目的:分析并掌握影响血常规结果的相关影响因素。方法:选择100例门诊体检者的不同血液标本,采用全自动血细胞计数仪,真空采血法采取肘静脉血和左手环指末梢血,分别于采血后0.5 h、2 h、4 h内检测白细胞(WBC)、红细胞(RBC)、血红蛋白(Hb)、血小板(PLT)等指标。结果:不同时间段采血检测结果比较,0.5 h内测试的WBC、RBC、Hb等血液指标结果均与2 h内测试的结果差异无统计学差异(P>0.05);放置4h后只有PLT结果差异显著低于0.5 h内测试结果,差异有统计学意义(P<0.05);不同部位检测结果比较:食指末梢血检测中WBC、RBC、Hb均高于静脉血检测值,差异有统计学意义(P<0.05)。结论:不同时间和不同部位血常规检查结果存在差异性,采取肘静脉血和短时间处理血液样本可以减少结果误差,提高检验准确性。
Objective: To analyze and master the influencing factors of blood routine results. Methods: Different blood samples from 100 outpatients were selected. Blood samples were taken from the elbow venous blood and the left hand ring by vacuum blood collection. The leukocytes were detected within 0.5 h, 2 h and 4 h after blood sampling WBC), red blood cells (RBC), hemoglobin (Hb), platelets (PLT) and other indicators. Results: Compared with the result of blood test within 2 h, the results of blood test such as WBC, RBC and Hb within 0.5 h were not significantly different (P> 0.05); only the result of PLT was different after 4 h (P <0.05). The comparison of test results at different sites showed that WBC, RBC and Hb in peripheral blood of the index finger were higher than those of the venous blood, the difference was statistically significant (P < P <0.05). Conclusion: There are differences in blood routine examination results at different time and different sites. Using elbow venous blood and blood samples for short time can reduce the result error and improve the accuracy of the test.