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Trivioli, Giorgio; Gopaluni, Seerapani; Urban, Maria L; Gianfreda, Davide; Cassia, Matthias A; Vercelloni, Paolo G; Calatroni, Marta; Bettiol, Alessandra; Esposito, Pasquale; Murtas, Corrado; Alberici, Federico; Maritati, Federica; Manenti, Lucio; Palmisano, Alessandra; Emmi, Giacomo; Romagnani, Paola; Moroni, Gabriella; Gregorini, Gina; Sinico, Renato A; Jayne, David R.W; Vaglio, Augusto
Clinical Kidney Journal, 01/2021, Letnik: 14, Številka: 1Journal Article
Abstract Background Although rapidly progressive glomerulonephritis is the main renal phenotype of anti-neutrophil cytoplasmic antibody (ANCA)-associated vasculitis (AAV), slow renal disease progression is sometimes observed. These forms have been rarely discussed; we analysed their prevalence, clinico-pathological characteristics and outcome. Methods We screened patients with microscopic polyangiitis (MPA) and granulomatosis with polyangiitis followed at seven referral centres and selected those with estimated glomerular filtration rate (eGFR) reduction <50% over a 6-month period preceding diagnosis. Data regarding patient features and response to treatment were retrieved. Results Of 856 patients, 41 (5%) had slowly progressive renal AAV. All had MPA and all but one was P-ANCA/myeloperoxidase (MPO) ANCA-positive. At diagnosis, the median age was 70 years interquartile range (IQR) 64–78 and extra-renal manifestations were absent or subclinical (interstitial lung lesions in 10, 24%). The median (IQR) eGFR was 23 mL/min/1.73 m2 (15–35); six patients (15%) had started renal replacement therapy (RRT). All had proteinuria (median 1180 mg/24 h, IQR 670–2600) and micro-haematuria. Main histologic findings were extracapillary proliferation at chronic stages and glomerulosclerosis; following Berden’s classification, 6/28 biopsies (21%) were ‘focal’, 1/28 (4%) ‘crescentic’, 9/28 (32%) ‘mixed’ and 12/28 (43%) ‘sclerotic’. At last follow-up (median 32 months, IQR 12–52), 20/34 patients (59%) treated with immunosuppression had eGFR improvement >25% as compared with diagnosis, while 4/34 (12%) had started RRT. Conclusions AAV may present with slow renal disease progression; this subset is hallmarked by advanced age at diagnosis, positive MPO-ANCA, subclinical interstitial lung lesions and chronic damage at kidney biopsy. Partial renal recovery may occur following immunosuppression.
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Dostop do baze podatkov JCR je dovoljen samo uporabnikom iz Slovenije. Vaš trenutni IP-naslov ni na seznamu dovoljenih za dostop, zato je potrebna avtentikacija z ustreznim računom AAI.
Leto | Faktor vpliva | Izdaja | Kategorija | Razvrstitev | ||||
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JCR | SNIP | JCR | SNIP | JCR | SNIP | JCR | SNIP |
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Povezave do osebnih bibliografij avtorjev | Povezave do podatkov o raziskovalcih v sistemu SICRIS |
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Vir: Osebne bibliografije
in: SICRIS
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