Usefulness of anti-factor VIII IgG ELISA in acquired hemophilia A follow-up.
Acquired hemophilia A
Anti-FVIII IgG ELISA
Bethesda assay
Coagulation factor VIII
Follow-up
Journal
Annals of hematology
ISSN: 1432-0584
Titre abrégé: Ann Hematol
Pays: Germany
ID NLM: 9107334
Informations de publication
Date de publication:
Nov 2022
Nov 2022
Historique:
received:
28
03
2022
accepted:
28
08
2022
pubmed:
21
9
2022
medline:
12
10
2022
entrez:
20
9
2022
Statut:
ppublish
Résumé
Acquired hemophilia A (AHA) is a rare autoimmune bleeding disorder due to the presence of neutralizing autoantibodies directed against the coagulation factor VIII (FVIII). The reference method to detect and quantify anti-FVIII antibodies is the Bethesda assay (BA), but it presents some limitations such as a lack of sensitivity for low titers of inhibitor and the need for experienced laboratory. A commercially available ELISA detecting anti-FVIII antibodies has demonstrated excellent sensitivity and specificity. The aim of our study was to assess the performance of this ELISA for the detection of anti-FVIII IgG in AHA patients during the follow-up. In total, 11 acquired hemophilia A patients were recruited, and anti-FVIII antibody levels were monitored by BA and ELISA. Anti-FVIII IgG ELISA showed 100% sensitivity and 100% specificity, and it correlated with the BA. Discrepancies observed in 13.3% of cases were consistent with patients' biological evolution. All these data suggest the possible use of anti-FVIII IgG ELISA for both diagnosis and follow-up of AHA patients.
Identifiants
pubmed: 36125542
doi: 10.1007/s00277-022-04972-y
pii: 10.1007/s00277-022-04972-y
doi:
Substances chimiques
Autoantibodies
0
Immunoglobulin G
0
Factor VIII
9001-27-8
Types de publication
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Pagination
2453-2460Informations de copyright
© 2022. The Author(s), under exclusive licence to Springer-Verlag GmbH Germany, part of Springer Nature.
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