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目的：探讨血气分析仪检测血钾(K+)、血钠(Na+)、血糖(Glu)、总二氧化碳(TCO2)和血红蛋白浓度(Hb)、红细胞压积(Hct)分别与生化分析仪相同项目的可比性以及呼吸指数(RI)是否会影响血气以上生化指标的检测结果。方法用GEM Premier 3000血气分析仪对193例患者动脉全血进行K+、Na+、Glu、TCO2、RI的检测,日立7600全自动生化分析仪对以上患者静脉血清进行K+、Na+、Glu、TCO2检测,分析其差异性。结果 GEM Premier 3000血气分析仪测定K+、Na+结果均低于全自动生化分析仪测定结果,差异有统计学意义(0.05)。 RI对血气K+测定影响有统计学意义(0.05)。结论血气Glu、TCO2可分别用于血糖水平、呼吸功能的评估,而血气K+、Na+指标仅有参考价值。“,”Objective To explore the comparability of serum potassium(K+),serum sodium(Na+),glucose(Glu),total carbon dioxide(TCO2) measured by blood gas analyzer and biochemical analyzer.And to explore whether respiratory index(RI) wil af ect the results of above test items.Methods Test K+,Na+,Glu,TCO2,RI of arterial blood in 193 patients by GEM Premier 3000 blood gas analyzer, test K+,Na+, Glu,TCO2 of venous serus in the same patients by Hitachi 7600 biochemical analyzer.Analyze the variability of same test items in dif erent analyzers.Results①The results of K+,Na+measured by GEM Premier 3000 blood gas analyzer are lower than by biochemical analyzer ,and the dif erence was statistical significa ( 0.05). ②There was statistical ef ect on K+( 0.05)in blood gas analyzer,af ected by RI.Conclusion Glu,TCO2 can be used for evaluating glucose level,respiratory function ,and K+,Na+has only referenced value.