Early and irreversible recurrence MPO-ANCA-positive glomerulonephritis after renal transplantation

Abstract : Kidney transplantation (KTx) is the treatment of choice for eligible patients suffering from anti-neutrophil cytoplasmic antibody(ANCA)-associated vasculitis (AAV) who are in clinical remission, regardless of ANCA status. With current immunosuppressive protocols, the recurrence rate of this primary disease in the kidney graft is low and is generally observed after the 1st year of transplantation, with a favorable outcome following conventional treatment. We report here two unusual observations of early (diagnosed within 2 weeks) and aggressive (graft failure despite therapy) recurrences in the kidney graft. These observations suggest that systematic induction by depleting antibodies and antibiotic prophylaxis may help prevent this rare but severe condition. In addition, we monitored these patients for the anti- lysosomal membrane protein-2 antibody (LAMP2ab) titers, but we found that LAMP2ab titers were not a surrogate marker of early recurrence if the LAMP2ab concentration was higher in AVV recipients before KTx. Finally, we must keep in mind that rare cases of early and aggressive recurrence ANCA-associated vasculitis on kidney graft are a challenge for early diagnosis and treatment.
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https://www.hal.inserm.fr/inserm-02148997
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Submitted on : Thursday, June 6, 2019 - 8:46:19 AM
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Ludmilla Le Berre, Alexandre Dufay, Diego Cantarovich, Aurelie Meurette, Marie Audrain, et al.. Early and irreversible recurrence MPO-ANCA-positive glomerulonephritis after renal transplantation. Clinical Nephrology, Dustri-Verlag, 2015, 83 (2015) (06), pp.357-362. ⟨10.5414/CN108303⟩. ⟨inserm-02148997⟩

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