High levels of hemolysis do not affect measurement of PAPP-A, β-HCG and TRAb on BRAHMS KRYPTOR compact plus

To assess the impact of high levels of hemolysis on the laboratory results for free β-hCG, PAPP-A, and TRAb performed on the B·R·A·H·M·S KRYPTOR Compact PLUS. Adapted from the CLSI guidelines EP07-A2, paired difference testing was performed on serum samples from the routine laboratory workflow. Thre...

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Veröffentlicht in:Scandinavian journal of clinical and laboratory investigation Jg. ahead-of-print; H. ahead-of-print; S. 1 - 4
Hauptverfasser: Pettersson Pablo, Paul, Aneskans, Cecilia, Vink, Martin
Format: Journal Article
Sprache:Englisch
Veröffentlicht: England Taylor & Francis 03.10.2023
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ISSN:0036-5513, 1502-7686, 1502-7686
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Abstract To assess the impact of high levels of hemolysis on the laboratory results for free β-hCG, PAPP-A, and TRAb performed on the B·R·A·H·M·S KRYPTOR Compact PLUS. Adapted from the CLSI guidelines EP07-A2, paired difference testing was performed on serum samples from the routine laboratory workflow. Three sample pools for each assessed analyte was prepared and subjected to increased levels of added hemolysate. For β-hCG and PAPP-A, the relative difference in the measured analyte concentration between the sample with 0 g/L added Hb and the samples with increasing free Hb concentrations (up to 6 g/L), was well below the pre-set acceptance criterion of 10% at all levels. The TRAb results showed greater variation than the other analytes, likely a consequence of imprecision rather than hemolysis. Hemolysis has a negligible effect on the analysis results of free beta-hCG, PAPP-A and TRAb measured on the B·R·A·H·M·S KRYPTOR Compact PLUS.
AbstractList To assess the impact of high levels of hemolysis on the laboratory results for free β-hCG, PAPP-A, and TRAb performed on the B·R·A·H·M·S KRYPTOR Compact PLUS. Adapted from the CLSI guidelines EP07-A2, paired difference testing was performed on serum samples from the routine laboratory workflow. Three sample pools for each assessed analyte was prepared and subjected to increased levels of added hemolysate. For β-hCG and PAPP-A, the relative difference in the measured analyte concentration between the sample with 0 g/L added Hb and the samples with increasing free Hb concentrations (up to 6 g/L), was well below the pre-set acceptance criterion of 10% at all levels. The TRAb results showed greater variation than the other analytes, likely a consequence of imprecision rather than hemolysis. Hemolysis has a negligible effect on the analysis results of free beta-hCG, PAPP-A and TRAb measured on the B·R·A·H·M·S KRYPTOR Compact PLUS.To assess the impact of high levels of hemolysis on the laboratory results for free β-hCG, PAPP-A, and TRAb performed on the B·R·A·H·M·S KRYPTOR Compact PLUS. Adapted from the CLSI guidelines EP07-A2, paired difference testing was performed on serum samples from the routine laboratory workflow. Three sample pools for each assessed analyte was prepared and subjected to increased levels of added hemolysate. For β-hCG and PAPP-A, the relative difference in the measured analyte concentration between the sample with 0 g/L added Hb and the samples with increasing free Hb concentrations (up to 6 g/L), was well below the pre-set acceptance criterion of 10% at all levels. The TRAb results showed greater variation than the other analytes, likely a consequence of imprecision rather than hemolysis. Hemolysis has a negligible effect on the analysis results of free beta-hCG, PAPP-A and TRAb measured on the B·R·A·H·M·S KRYPTOR Compact PLUS.
To assess the impact of high levels of hemolysis on the laboratory results for free β-hCG, PAPP-A, and TRAb performed on the B·R·A·H·M·S KRYPTOR Compact PLUS. Adapted from the CLSI guidelines EP07-A2, paired difference testing was performed on serum samples from the routine laboratory workflow. Three sample pools for each assessed analyte was prepared and subjected to increased levels of added hemolysate. For β-hCG and PAPP-A, the relative difference in the measured analyte concentration between the sample with 0 g/L added Hb and the samples with increasing free Hb concentrations (up to 6 g/L), was well below the pre-set acceptance criterion of 10% at all levels. The TRAb results showed greater variation than the other analytes, likely a consequence of imprecision rather than hemolysis. Hemolysis has a negligible effect on the analysis results of free beta-hCG, PAPP-A and TRAb measured on the B·R·A·H·M·S KRYPTOR Compact PLUS.
Author Pettersson Pablo, Paul
Aneskans, Cecilia
Vink, Martin
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10.1093/clinchem/46.2.306
10.1016/s1389-0352(01)00040-x
10.1515/cclm-2017-1104
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10.1007/s10895-005-2829-3
10.3343/alm.2022.42.2.169
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Keywords TSH receptor antibody
beta subunit
fluoroimmunoassay
Chorionic gonadotropin
pregnancy-associated plasma protein-A
human
hemolysis
Language English
License open-access: http://creativecommons.org/licenses/by-nc-nd/4.0/: This is an Open Access article distributed under the terms of the Creative Commons Attribution-NonCommercial-NoDerivatives License (http://creativecommons.org/licenses/by-nc-nd/4.0/), which permits non-commercial re-use, distribution, and reproduction in any medium, provided the original work is properly cited, and is not altered, transformed, or built upon in any way. The terms on which this article has been published allow the posting of the Accepted Manuscript in a repository by the author(s) or with their consent.
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SubjectTerms beta subunit
Chorionic gonadotropin
fluoroimmunoassay
hemolysis
human
pregnancy-associated plasma protein-A
TSH receptor antibody
Title High levels of hemolysis do not affect measurement of PAPP-A, β-HCG and TRAb on BRAHMS KRYPTOR compact plus
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