Faecal calprotectin determination

Introduction: We assessed the differences in faecal calprotectin (FC) concentrations measured by two assays depending on the stool consistencyand extraction method.Materials and methods: Stool samples were extracted using the EliA Stool Extraction Kit, Calex® Cap extraction device and respective wei...

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Permalink: http://skupni.nsk.hr/Record/nsk.NSK01001068977/Details
Matična publikacija: Biochemia medica (Online)
29 (2019), 1 ; str. 112-122
Glavni autori: Juričić, Gordana (Author), Brenčić, Tina, Tešija Kuna, Andrea, Njegovan, Milena, biokemičarka, Honović, Lorena
Vrsta građe: e-članak
Jezik: eng
Predmet:
Online pristup: https://doi.org/10.11613/BM.2019.010707
Biochemia medica (Online)
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024 7 |2 doi  |a 10.11613/BM.2019.010707 
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080 1 |a 577  |2 2011 
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100 1 |a Juričić, Gordana  |4 aut 
245 1 0 |a Faecal calprotectin determination  |h [Elektronička građa] :  |b impact of preanalytical sample treatment and stool consistency on within- and between-method variability /  |c Gordana Juricic, Tina Brencic, Andrea Tesija Kuna, Milena Njegovan, Lorena Honovic. 
300 |b Ilustr. 
504 |a Bibliografija: 26 jed. 
504 |a Abstract. 
520 |a Introduction: We assessed the differences in faecal calprotectin (FC) concentrations measured by two assays depending on the stool consistencyand extraction method.Materials and methods: Stool samples were extracted using the EliA Stool Extraction Kit, Calex® Cap extraction device and respective weighingmethods, while FC concentrations were measured using the EliATM Calprotectin and Bühlmann fCAL® Turbo method and checked for within- andbetween-method variability with regard to extraction method and stool consistency category. Extraction yield was evaluated for impact of differentsample incubation time (10 min and 1 h) in extraction buffer for both methods and for impact of different initial sample dilutions (1:50, 1:100, 1:500)for fCAL® Turbo method.Results: Results determined from Calex® Cap extracts were higher compared to weighing method extracts (mean bias 33.3%; P <0.001), whileno significant difference was found between results obtained with EliA Stool Extraction Kit and weighing method (mean bias 0.1%; P = 0.484), inboth cases irrespective of stool consistency. Bühlmann fCAL® Turbo results were higher than EliATM Calprotectin results (mean bias 32.3%, P = 0.025weighing method; and mean bias 53.9%, P <0.001 extraction devices), the difference is dependent on stool consistency and FC concentration. Significantlyhigher FC extraction yield was obtained with longer sample incubation time for both methods (P = 0.019 EliATM Calprotectin; P <0.001fCAL® Turbo) and with increasing initial sample dilution for fCAL® Turbo method (P <0.001).Conclusion: Preanalytical stool sample handling proved to be a crucial factor contributing to within- and between-FC assay variability. Standardizationis urgently needed in order to assure comparable and reliable FC results. 
653 0 |a Kalprotektin  |a Upalne bolesti crijeva  |a Imunološki test  |a Preanalitička faza  |a Laboratorijska dijagnostika 
700 1 |a Brenčić, Tina  |4 aut 
700 1 |a Tešija Kuna, Andrea  |4 aut 
700 1 |a Njegovan, Milena,  |c biokemičarka  |4 aut 
700 1 |a Honović, Lorena  |4 aut 
773 0 |t Biochemia medica (Online)  |x 1846-7482  |g 29 (2019), 1 ; str. 112-122  |w nsk.(HR-ZaNSK)000655372 
981 |b Be2018  |b B03/18 
998 |b tino2009 
856 4 0 |u https://doi.org/10.11613/BM.2019.010707 
856 4 0 |u https://www.biochemia-medica.com/en/journal/29/1/10.11613/BM.2019.010707  |y Biochemia medica (Online) 
856 4 1 |y Digitalna.nsk.hr 
856 4 0 |u https://hrcak.srce.hr/217219  |y Hrčak