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Effect of hematocrit, galactose and ascorbic acid on the blood glucose readings of three point-of-care glucometers
Scandinavian Journal of Clinical and Laboratory Investigation ( IF 2.1 ) Pub Date : 2022-11-04 , DOI: 10.1080/00365513.2022.2138779
Fawaz Albloui 1 , James John 2 , Osama Alghamdi 1 , Faisal Alseraye 3 , Abdullah Alqahtani 1 , Waleed Tamimi 4 , Abdullah Albloshi 5 , Fahad M Aldakheel 6 , Ayesha Mateen 6 , Rabbani Syed 7
Affiliation  

Abstract

Glucometers are commonly used in a variety of healthcare settings and use in critically ill patients should not be assumed without appropriate tool validation. The study objective was to evaluate the accuracy of three point-of-care glucometers (POCGs) to assess glucose concentration in human blood sample. The POCGs tested included three different instruments and utilized three factors (hematocrit [Hct], galactose and ascorbic acid) in glucose measurements to determine the glucometers’ accuracy and compared to the reference laboratory biochemical analyzer (Cobs 8000, Roche, Basal, Switzerland). In this study, the Nova StatStrip glucometer showed no significant variation compared to the laboratory method at high glucose level with various Hct%. ACCU-Chek Inform II overestimated the glucose results at Hct 22% and underestimated at Hct 62%. The Freestyle glucometer showed lower glucose levels compared to the Cobas 8000 at Hct 62%. The ACCU-Check showed significant increase of blood glucose with low Hct% levels when compared to the laboratory method. The Freestyle showed a decreased level of glucose with high Hct 62% interference compared to the Cobas 8000. Galactose interference 100 and 200 mg/dL dramatically affected the accuracy of ACCU-Chek Inform II. Nevertheless, among all three POCGs in this study, the Nova StatStrip showed the most reliable and stable results for glucose level in the presence of interference. Especially, those in critical care units, whereas the Freestyle Precision Pro and ACCU-Chek Inform II were insufficiently accurate for critically ill patients.



中文翻译:

血细胞比容、半乳糖和抗坏血酸对三种即时血糖仪血糖读数的影响

摘要

血糖仪通常用于各种医疗机构,如果没有适当的工具验证,则不应假定其用于危重患者。研究目的是评估三种即时血糖仪 (POCG) 评估人体血液样本中葡萄糖浓度的准确性。测试的 POCG 包括三种不同的仪器,并利用葡萄糖测量中的三个因素(血细胞比容 [Hct]、半乳糖和抗坏血酸)来确定血糖仪的准确性,并与参考实验室生化分析仪(Cobs 8000,Roche,Basal,Switzerland)进行比较。在这项研究中,与实验室方法相比,Nova StatStrip 血糖仪在不同 Hct% 的高血糖水平下没有显着差异。ACCU-Chek Inform II 在 Hct 22% 时高估了葡萄糖结果,在 Hct 62% 时低估了葡萄糖结果。与 Cobas 8000 相比,Freestyle 血糖仪的血糖水平较低,Hct 为 62%。与实验室方法相比,ACCU-Check 显示血糖显着增加且 Hct% 水平较低。与 Cobas 8000 相比,Freestyle 显示葡萄糖水平降低,Hct 62% 干扰较高。半乳糖干扰 100 和 200 mg/dL 显着影响 ACCU-Chek Inform II 的准确性。尽管如此,在本研究的所有三种 POCG 中,Nova StatStrip 在存在干扰的情况下显示出最可靠和稳定的葡萄糖水平结果。特别是重症监护病房的患者,而 Freestyle Precision Pro 和 ACCU-Chek Inform II 对于重症患者的准确性不够。与实验室方法相比,ACCU-Check 显示血糖显着增加且 Hct% 水平较低。与 Cobas 8000 相比,Freestyle 显示葡萄糖水平降低,Hct 62% 干扰较高。半乳糖干扰 100 和 200 mg/dL 显着影响 ACCU-Chek Inform II 的准确性。尽管如此,在本研究的所有三种 POCG 中,Nova StatStrip 在存在干扰的情况下显示出最可靠和稳定的葡萄糖水平结果。特别是重症监护病房的患者,而 Freestyle Precision Pro 和 ACCU-Chek Inform II 对于重症患者的准确性不够。与实验室方法相比,ACCU-Check 显示血糖显着增加且 Hct% 水平较低。与 Cobas 8000 相比,Freestyle 显示葡萄糖水平降低,Hct 62% 干扰较高。半乳糖干扰 100 和 200 mg/dL 显着影响 ACCU-Chek Inform II 的准确性。尽管如此,在本研究的所有三种 POCG 中,Nova StatStrip 在存在干扰的情况下显示出最可靠和稳定的葡萄糖水平结果。特别是重症监护病房的患者,而 Freestyle Precision Pro 和 ACCU-Chek Inform II 对于重症患者的准确性不够。半乳糖干扰 100 和 200 mg/dL 会显着影响 ACCU-Chek Inform II 的准确性。尽管如此,在本研究的所有三种 POCG 中,Nova StatStrip 在存在干扰的情况下显示出最可靠和稳定的葡萄糖水平结果。特别是重症监护病房的患者,而 Freestyle Precision Pro 和 ACCU-Chek Inform II 对于重症患者的准确性不够。半乳糖干扰 100 和 200 mg/dL 会显着影响 ACCU-Chek Inform II 的准确性。尽管如此,在本研究的所有三种 POCG 中,Nova StatStrip 在存在干扰的情况下显示出最可靠和稳定的葡萄糖水平结果。特别是重症监护病房的患者,而 Freestyle Precision Pro 和 ACCU-Chek Inform II 对于重症患者的准确性不够。

更新日期:2022-11-04
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