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KMID : 0985420190410010047
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Laboratory Medicine and Quality Assurance
2019 Volume.41 No. 1 p.47 ~ p.49
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Performance Evaluation of the Stat Profile pHOX Ultra Blood Gas Analyzer
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Lee Hye-Young
Ahn Sun-Young
Kim Hyun-Ki
Lee Woo-Chang
Chun Sa-Il
Min Won-Ki
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Abstract
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The objective of this study was to evaluate the analytical performance of the Stat Profile pHOx Ultra Blood Gas Analyzer (Nova Biomedical, USA), a new blood gas/chemistry analyser, including its precision and linearity, comparison studies, and the carry-over effect of commercial reagents and patient specimens. We assessed all the results on the basis of the Clinical and Laboratory Standards Institute guidelines. The following parameters were assessed: pH, partial pressure of carbon dioxide, partial pressure of oxygen, ionized calcium, ionized magnesium (iMg), and lactate concentration The total imprecision had a coefficient of variation of 0.0%?1.8%, and the linear measurement ranges for each parameter were all acceptable. In comparison with the Nova Critical Care Xpress Analyzer (Nova Biomedical, USA), the results indicated a good agreement, except for iMg. All carry-over ranges were between ?0.5% and ?1.4%. The Stat Profile pHOx Ultra Blood Gas Analyzer showed good analytical performance in terms of precision, linearity, comparison studies, and carry-over effect. The Stat Profile pHOx Ultra Blood Gas Analyzer can provide reliable measurements across a clinically relevant range and has potential use in laboratory tests.
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KEYWORD
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Stat Profile pHOx Ultra Blood Gas Analyzer, Performance, Evaluation
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