Clinical nephrology · 2017
Acute granulomatous interstitial nephritis and acute rejection in a kidney transplant recipient after zoledronic acid therapy - a case report and review of the literature.
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Avguštin Nuša, Kovač Damjan, Kojc Nika, Mlinšek Gregor, Lindič Jelka
Аннотация
BACKGROUND: Acute granulomatous interstitial nephritis (AGIN) in native kidneys is most commonly linked to drugs. In allografts, it is a rare complication, and it occurs mostly with infections.
CASE PRESENTATION: Our case report presents AGIN with simultaneous acute cellular rejections and acute tubular necrosis in a kidney transplant patient 2 weeks after intravenous application of zoledronic acid. A kidney biopsy showed signs of destructive AGIN with acute cellular rejection. After treatment with methylprednisolone pulses and immunosuppressive therapy modification, rebiopsy confirmed complete regression of AGIN with less intense persistent acute cellular rejection and acute tubular necrosis. Kidney function improved after glucocorticoid and intravenous immunoglobulin G therapy.
CONCLUSION: To our knowledge, this is the first case of AGIN related to bisphosphonate zoledronate in a kidney transplant patient with consequent acute cellular rejection. In using intravenous zoledronate infusion in a kidney transplant recipient, we should be aware that it could potentially induce acute granulomatous tubulointerstitial nephritis and acute rejection. .
CASE PRESENTATION: Our case report presents AGIN with simultaneous acute cellular rejections and acute tubular necrosis in a kidney transplant patient 2 weeks after intravenous application of zoledronic acid. A kidney biopsy showed signs of destructive AGIN with acute cellular rejection. After treatment with methylprednisolone pulses and immunosuppressive therapy modification, rebiopsy confirmed complete regression of AGIN with less intense persistent acute cellular rejection and acute tubular necrosis. Kidney function improved after glucocorticoid and intravenous immunoglobulin G therapy.
CONCLUSION: To our knowledge, this is the first case of AGIN related to bisphosphonate zoledronate in a kidney transplant patient with consequent acute cellular rejection. In using intravenous zoledronate infusion in a kidney transplant recipient, we should be aware that it could potentially induce acute granulomatous tubulointerstitial nephritis and acute rejection. .