SARS-CoV-2 infection associated with antineutrophil cytoplasmic antibody (ANCA)-associated glomerulonephritis (ANCA-GN): a systematic review and two case reports
Background It has been observed that SARS-CoV-2 infections are associated with the development of various de-novo autoimmune diseases; little is known on new-onset antineutrophil cytoplasmic antibody (ANCA)-associated glomerulonephritis (ANCA-GN) after SARS-CoV-2 infections. Methods We conducted a systematic review of previously reported cases with a presumed association of new-onset antineutrophil cytoplasmic antibody-associated glomerulonephritis (ANCA-GN). No language restrictions were applied during the search. The eligible articles included reports of biopsy-proven pauci-immune glomerulonephritis that occurred following SARS-CoV-2 infection. The review was registered in PROSPERO database (CRD42023407786). Two further cases are reported. Results The mean age of SARS-CoV-2 infection-associated ANCA-GN was 48 ± 19 years. Fifty-six percent of patients showed positivity for myeloperoxidase (MPO)-ANCA. Among tested patients, 36% had concomitantly positive antinuclear antibodies, and 100% had positive rheumatoid factor. Eleven out of the 21 cases (55%) were diagnosed with ANCA-GN during hospitalization due to SARS-CoV-2 infection. The remaining cases were diagnosed after a median of 2.1 months following COVID-19. Seventy-one percent of patients showed improvement in kidney function following different treatments. Case reports: one patient had positive p-ANCA and cryoglobulin. Another case had positive MPO-ANCA, c-ANCA, cryoglobulinemia, and rheumatoid factor. Conclusion SARS-CoV-2 infection-associated ANCA-GN patients are younger than primary ANCA-GN patients. The presence of atypical ANCA along with co-positivity with other autoantibodies can raise suspicion for SARS-CoV-2 infection-associated ANCA-GN. Graphical abstract.
Medienart: |
E-Artikel |
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Erscheinungsjahr: |
2023 |
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Erschienen: |
2023 |
Enthalten in: |
Zur Gesamtaufnahme - volume:37 |
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Enthalten in: |
Journal of nephrology - 37(2023), 1 vom: 06. Nov., Seite 53-63 |
Sprache: |
Englisch |
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Beteiligte Personen: |
Banjongjit, Athiphat [VerfasserIn] |
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Links: |
Volltext [lizenzpflichtig] |
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Themen: |
Antineutrophil cytoplasmic antibody (ANCA) |
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Anmerkungen: |
© The Author(s) under exclusive licence to Italian Society of Nephrology 2023. Springer Nature or its licensor (e.g. a society or other partner) holds exclusive rights to this article under a publishing agreement with the author(s) or other rightsholder(s); author self-archiving of the accepted manuscript version of this article is solely governed by the terms of such publishing agreement and applicable law. |
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doi: |
10.1007/s40620-023-01777-8 |
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funding: |
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Förderinstitution / Projekttitel: |
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PPN (Katalog-ID): |
SPR055062164 |
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520 | |a Background It has been observed that SARS-CoV-2 infections are associated with the development of various de-novo autoimmune diseases; little is known on new-onset antineutrophil cytoplasmic antibody (ANCA)-associated glomerulonephritis (ANCA-GN) after SARS-CoV-2 infections. Methods We conducted a systematic review of previously reported cases with a presumed association of new-onset antineutrophil cytoplasmic antibody-associated glomerulonephritis (ANCA-GN). No language restrictions were applied during the search. The eligible articles included reports of biopsy-proven pauci-immune glomerulonephritis that occurred following SARS-CoV-2 infection. The review was registered in PROSPERO database (CRD42023407786). Two further cases are reported. Results The mean age of SARS-CoV-2 infection-associated ANCA-GN was 48 ± 19 years. Fifty-six percent of patients showed positivity for myeloperoxidase (MPO)-ANCA. Among tested patients, 36% had concomitantly positive antinuclear antibodies, and 100% had positive rheumatoid factor. Eleven out of the 21 cases (55%) were diagnosed with ANCA-GN during hospitalization due to SARS-CoV-2 infection. The remaining cases were diagnosed after a median of 2.1 months following COVID-19. Seventy-one percent of patients showed improvement in kidney function following different treatments. Case reports: one patient had positive p-ANCA and cryoglobulin. Another case had positive MPO-ANCA, c-ANCA, cryoglobulinemia, and rheumatoid factor. Conclusion SARS-CoV-2 infection-associated ANCA-GN patients are younger than primary ANCA-GN patients. The presence of atypical ANCA along with co-positivity with other autoantibodies can raise suspicion for SARS-CoV-2 infection-associated ANCA-GN. Graphical abstract | ||
650 | 4 | |a Antineutrophil cytoplasmic antibody (ANCA) |7 (dpeaa)DE-He213 | |
650 | 4 | |a Coronavirus disease (COVID-19) |7 (dpeaa)DE-He213 | |
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