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首页> 外文期刊>Scandinavian journal of clinical and laboratory investigation. >Comparison of blood gas, electrolyte and metabolite results measured with two different blood gas analyzers and a core laboratory analyzer
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Comparison of blood gas, electrolyte and metabolite results measured with two different blood gas analyzers and a core laboratory analyzer

机译：比较使用两种不同的血气分析仪和核心实验室分析仪测量的血气，电解质和代谢产物的结果

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Background. Blood gas analyzers (BGAs) are important in assessing and monitoring critically ill patients. However, the random use of BGAs to measure blood gases, electrolytes and metabolites increases the variability in test results. Therefore, this study aimed to investigate the correlation of blood gas, electrolyte and metabolite results measured with two BGAs and a core laboratory analyzer. Methods. A total of 40 arterial blood gas samples were analyzed with two BGAs [(Nova Stat Profile Critical Care Xpress (Nova Biomedical, Waltham, MA, USA) and Siemens Rapidlab 1265 (Siemens Healthcare Diagnostics Inc., Tarrytown, NY, USA)) and a core laboratory analyzer [Olympus AU 2700 autoanalyzer (Beckman-Coulter, Inc., Fullerton, CA, USA)]. The results of pH, pCO(2), pO(2), SO2, sodium (Na+), potassium (K+), calcium (Ca+2), chloride (Cl-), glucose, and lactate were compared by Passing-Bablok regression analysis and Bland-Altman plots. Results. The present study showed that there was negligible variability of blood gases (pCO(2), pO(2), SO2), K+ and lactate values between the blood gas and core laboratory analyzers. However, the differences in pH were modest, while Na+, Cl-, Ca2+ and glucose showed poor correlation according to the concordance correlation coefficient. Conclusions. BGAs and core laboratory autoanalyzer demonstrated variable performances and not all tests met minimum performance goals. It is important that clinicians and laboratories are aware of the limitations of their assays.
机译：背景。血气分析仪（BGA）在评估和监测重症患者方面很重要。但是，随机使用BGA测量血气，电解质和代谢产物会增加测试结果的可变性。因此，本研究旨在研究使用两个BGA和一个核心实验室分析仪测量的血气，电解质和代谢产物的相关性。方法。使用两个BGA [（Nova Stat Profile Critical Care Xpress（Nova Biomedical，Waltham，MA，USA）和Siemens Rapidlab 1265（Siemens Healthcare Diagnostics Inc.，Tarrytown，NY，USA））分析了总共40种动脉血气样品。核心实验室分析仪[Olympus AU 2700自动分析仪（Beckman-Coulter，Inc.，富勒顿，加利福尼亚，美国）]。通过Passing-Bablok对pH，pCO（2），pO（2），SO2，钠（Na +），钾（K +），钙（Ca + 2），氯化物（Cl-），葡萄糖和乳酸的结果进行了比较回归分析和Bland-Altman图。结果。本研究表明，血气和核心实验室分析仪之间的血气（pCO（2），pO（2），SO2），K +和乳酸值的变化可忽略不计。然而，根据一致性相关系数，pH的差异不大，而Na +，Cl-，Ca2 +和葡萄糖的相关性较差。结论BGA和核心实验室自动分析仪显示出可变的性能，并非所有测试都达到最低性能目标。重要的是，临床医生和实验室必须意识到其检测方法的局限性。

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