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Verfasst von:Hagen, E. Christiaan [VerfasserIn]   i
 Daha, Mohamed R. [VerfasserIn]   i
 Hermans, Joseph M. H. [VerfasserIn]   i
 Andrassy, Konrad [VerfasserIn]   i
 Csernok, Elena [VerfasserIn]   i
 Gaskin, Gillian [VerfasserIn]   i
 Lesavre, Phillippe [VerfasserIn]   i
 Lüdemann, Jens [VerfasserIn]   i
 Rasmussen, Niels [VerfasserIn]   i
 Sinico, R. Alberto [VerfasserIn]   i
 Wiik, Allan [VerfasserIn]   i
 Woude, Fokko J. van der [VerfasserIn]   i
Titel:Diagnostic value of standardized assays for anti-neutrophil cytoplasmic antibodies in idiopathic systemic vasculitis
Verf.angabe:E. Christiaan Hagen, Mohamed R. Daha, Jo Hermans, Konrad Andrassy, Elena Csernok, Gillian Gaskin, Phillippe Lesavre, Jens Lüdemann, Niels Rasmussen, R. Alberto Sinico, Allan Wiik, Fokko J. van der Woude
E-Jahr:1998
Jahr:1 March 1998
Umfang:11 S.
Fussnoten:Online veröffentlicht am 1. März 1998, Artikelversion 16. Dezember 2015 ; Gesehen am 26.09.2023
Titel Quelle:Enthalten in: Kidney international
Ort Quelle:New York, NY : Elsevier, 1972
Jahr Quelle:1998
Band/Heft Quelle:53(1998), 3, Seite 743-753
ISSN Quelle:1523-1755
Abstract:Diagnostic value of standardized assays for anti-neutrophil cytoplasmic antibodies in idiopathic systemic vasculitis. Anti-neutrophil cytoplasmic antibodies (ANCA) are widely used as diagnostic markers for Wegener’s granulomatosis (WG), microscopic polyangiitis (MPA), Churg-Strauss syndrome (CSS) and idiopathic rapidly progressive glomerulonephritis (iRPGN). The objective of this study was to evaluate the diagnostic value of ANCA measurement by the indirect immunofluorescence (IIF) test, and by anti-PR3 and anti-MPO ELISA performed in different locations, in patients with idiopathic small vessel vasculitis. Fourteen centers participated in a standardization study of ANCA assays, and entered a total number of 169 newly diagnosed and 189 historical patients with idiopathic systemic vasculitis or iRPGN. Patients were classified according to a pre-defined diagnostic classification system. Results were compared with those of 184 disease controls and 740 healthy controls. The IIF test was performed according to standard methodology; ELISAs had been standardized among the participants in a previous phase of the study. The sensitivities of assays in patients were as follows. The sensitivity in WG was: cANCA 64%, pANCA 21%, anti-PR3 66%, anti-MPO 24%. In MPA the sensitivity was: cANCA 23%, pANCA 58%, anti-PR3 26%, anti-MPO 58%. Sensitivity in iRPGN was: cANCA 36%, pANCA 45%, anti-PR3 50%, anti-MPO 64%. The specificity of assays (related to disease controls) was: cANCA 95%, pANCA 81%, anti-PR3 87%, anti-MPO 91%. When the results of the IIF test were combined with those of the ELISAs (cANCA/anti-PR3 positive, pANCA/anti-MPO positive), the diagnostic specificity increased to 99%. The sensitivity of the combination of cANCA + anti-PR3 or pANCA + anti-MPO for WG, MPA or iRPGN was 73%, 67% and 82%, respectively. From this study we conclude that the value of the IIF test for ANCA detection can be greatly increased by the addition of a well standardized antigen-specific ELISA. In a significant number of patients with idiopathic small vessel vasculitis, however, the ANCA test results (either in IIF or ELISA) are negative.
DOI:doi:10.1046/j.1523-1755.1998.00807.x
URL:Bitte beachten Sie: Dies ist ein Bibliographieeintrag. Ein Volltextzugriff für Mitglieder der Universität besteht hier nur, falls für die entsprechende Zeitschrift/den entsprechenden Sammelband ein Abonnement besteht oder es sich um einen OpenAccess-Titel handelt.

Volltext: https://doi.org/10.1046/j.1523-1755.1998.00807.x
 Volltext: https://www.sciencedirect.com/science/article/pii/S0085253815604525
 DOI: https://doi.org/10.1046/j.1523-1755.1998.00807.x
Datenträger:Online-Ressource
Sprache:eng
Sach-SW:anti-neutrophil cytoplasmic antibodies
 Churg-Strauss syndrome
 ELISA
 immunofluorescence test
 microscopic polyangiitis
 myeloperoxidase
 proteinase-3
 rapidly progressive glomerulonephritis
 systemic vasculitis
 Wegener’s granulomatosis
K10plus-PPN:1860303498
Verknüpfungen:→ Zeitschrift

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