Mackie, I;
Mancini, I;
Muia, J;
Kremer Hovinga, J;
Nair, S;
Machin, S;
Baker, R;
(2020)
International Council for Standardization in Haematology (ICSH) recommendations for laboratory measurement of ADAMTS13.
International Journal of Laboratory Hematology
, 42
(6)
pp. 685-696.
10.1111/ijlh.13295.
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Abstract
This guidance document was prepared on behalf of the International Council for Standardization in Haematology (ICSH), by the ADAMTS13 Assay Working Group, which comprises an international group of both clinical and laboratory experts. The document provides recommendations on best practice for the performance of ADAMTS13 assays in clinical laboratories. ADAMTS13 assays support the differential diagnosis of thrombotic microangiopathies and have utility in the management of thrombotic thrombocytopenic purpura (TTP). There are three types of assay: activity, antigen and autoantibody/inhibitor assays. Methods for activity assays differ in terms of sensitivity, specificity, precision and turnaround time. The most widely used assays involve VWF peptide substrates and either chromogenic ELISA or FRET techniques, although chemiluminescence assays and rapid screening tests have recently become available. Tests for autoantibodies and inhibitors allow confirmation of acquired, immune‐mediated TTP, while antigen assays may be useful in congenital TTP and as prognostic markers. In this document, we have attempted to describe ADAMTS13 assays and the conditions that affect them, as well as: blood collection, sample processing, quality control, standardization and clinical utility; recognizing that laboratories in different parts of the world have varying levels of sophistication. The recommendations are based on expert opinion, published literature and good clinical laboratory practice.
| Type: | Article |
|---|---|
| Title: | International Council for Standardization in Haematology (ICSH) recommendations for laboratory measurement of ADAMTS13 |
| Open access status: | An open access version is available from UCL Discovery |
| DOI: | 10.1111/ijlh.13295 |
| Publisher version: | https://doi.org/10.1111/ijlh.13295 |
| Language: | English |
| Additional information: | © 2020 The Authors. International Journal of Laboratory Hematology published by John Wiley & Sons Ltd This is an open access article under the terms of the Creative Commons Attribution License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited. |
| Keywords: | ADAMTS13; haemostasis; thrombosis; VWF |
| UCL classification: | UCL UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Medical Sciences UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Medical Sciences > Cancer Institute UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Medical Sciences > Cancer Institute > Research Department of Haematology |
| URI: | https://discovery.ucl.ac.uk/id/eprint/10126854 |
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