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  • Title: Pure Red Cell Aplasia Related to Parvovirus B19 Infection in Simultaneous Pancreas and Kidney Recipient: A Case Report.
    Author: Nowacka-Cieciura E, Karakulska-Prystupiuk E, Żuk-Wasek A, Lisik W, Basak GW, Durlik M.
    Journal: Transplant Proc; 2020 Oct; 52(8):2539-2543. PubMed ID: 32591136.
    Abstract:
    A 42-year-old woman received a simultaneous pancreas and kidney transplantation (SPK). Immunosuppression consisted of tacrolimus modified release, prednisone, mycophenolate mofetil (MMF), and thymoglobulin as induction. The function of both grafts was good. Eight months after SPK, the patient suffered from weakness and arthralgia. Normocytic anemia with reticulocytopenia was revealed. In a bone marrow examination, giant pronormoblasts were found. Immunohistochemical staining of bone marrow and serum examination were positive for Parvovirus B19 (Parvo B19) confirming diagnosis of pure red cell aplasia (PRCA).The treatment consisted of MMF withdrawal, red-cell transfusions, immunoglobulins subcutaneously (SCIg) and immunosuppression reduction. Rapid improvement was observed with the rise of reticulocyte count and hemoglobin. Two months after the achievement of remission, the low dose of everolimus was added considering the high risk of rejection and antiviral potential of mTOR inhibitors. Three months later, PRCA relapsed. Retherapy with SCIg was still effective. Subsequent SCIg was supplemented due to low reticulocyte count and recurrent herpes zoster. The replication of Parvo B19 was persistent (serum qualitative test). Everolimus was withdrawn after 9 months of therapy due to the recurrence of PRCA and serious infections. The observation period after PRCA diagnosis lasts for 15 months. The patient is in good condition with no anemia and excellent grafts function. In conclusion, pure red cell aplasia related to Parvo B19 infection should be considered in transplant recipients with normocytic anemia and reticulocytopenia. The treatment with immunoglobulin G and immunosuppression reduction is an effective therapy. The role of everolimus in Parvo B19 infection requires future studies.
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