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Performance of Liaison XL automated immunoassay platform for blood-borne infection screening on hepatitis B, hepatitis C, HIV 1/2, HTLV 1/2 and Treponema pallidum serological markers
Örebro University, School of Health and Medical Sciences, Örebro University, Sweden. Department of Laboratory Medicine.
Univ Orebro, Fac Med & Hlth, Dept Lab Med, SE-70182 Orebro, Sweden..
Örebro University, School of Health and Medical Sciences, Örebro University, Sweden. Department of Laboratory Medicine.
2015 (English)In: Transfusion Medicine, ISSN 0958-7578, E-ISSN 1365-3148, Vol. 25, no 2, 101-105 p.Article in journal (Refereed) Published
Abstract [en]

ObjectivesAim of the study was to evaluate performance of a new fully automated platform, DiaSorin-LIAISON (R) XL (DiaSorin S.p.A, Vercelli, Italy), in blood donor screening, specifically for hepatitis B surface antigen (HBsAg), hepatitis B core antibodies (anti-HBc), hepatitis C antibodies (anti-HCV), HIV p24 antigen, HIV antibodies, human T-lymphotropic virus types 1 and 2 (HTLV-1/2) and Treponema pallidum antibodies. BackgroundIn screening for such viral and bacteriological blood-borne infections, sensitivity and specificity are of utmost importance. MethodsSensitivity was evaluated using selected panels of samples previously analysed on the Abbott Architect immunoanalyser (Abbott Laboratories, Abbott Park, IL, USA)-the gold standard for this evaluation. These samples were confirmed positive for HBsAg, anti-HBc, anti-HCV, HIV Ag/Ab, anti-HTLV-1/2 and antibodies to T. pallidum, respectively. Specificity analysis was assessed by analysing blood donor samples previously run on the Architect platform and found non-reactive for each marker. A total of 1100 donor samples (both new and regular donors) were tested. Previously, non-specific reactive samples were also run for every tested marker, as well as samples with autoimmune antibodies and antibodies to other infections. ResultsThree hundred seventy-eight samples positive for the tested markers (HBsAgn=51, anti-HBcn=52, anti-HCVn=75, anti-Treponema n=55, anti-HIV-1 n=79, anti-HIV-2 n=25, anti-HIV 1/2 n=3, anti-HTLV-1 n=28 anti-HTLV-2 n=10) were tested and found positive, suggesting a high sensitivity. A number of 342-1100 negative blood donors (depending on marker) have been tested, with very good specificity for the markers tested, ranging between 995 and 100%, respectively. ConclusionsThe LIAISON (R) XL platform demonstrated very high sensitivity for the markers tested and the specificity necessary to fulfil the stringent requirements for blood donor screening.

Place, publisher, year, edition, pages
2015. Vol. 25, no 2, 101-105 p.
Keyword [en]
blood-borne infections, immunoassay, Liaison XL, sensitivity, specificity
National Category
Hematology
Identifiers
URN: urn:nbn:se:oru:diva-56532DOI: 10.1111/tme.12181ISI: 000355246900006PubMedID: 25779614OAI: oai:DiVA.org:oru-56532DiVA: diva2:1082668
Available from: 2017-03-17 Created: 2017-03-17 Last updated: 2017-03-17Bibliographically approved

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Malm, KerstinAndersson, Sören
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