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Nefrología (Madrid)

On-line version ISSN 1989-2284Print version ISSN 0211-6995


PARODIS LOPEZ, Yanet et al. Anaemia and fever in Kidney transplant. The role of human parvovirus B19. Nefrología (Madr.) [online]. 2017, vol.37, n.2, pp.206-212. ISSN 1989-2284.

Infections remain an issue of particular relevance in renal transplant patients, particularly viral infections.

Human parvovirus B19 infection causes severe refractory anaemia, pancytopenia and thrombotic microangiopathy. Its presence is recognized by analysing blood polymerase chain reaction (PCR) and by the discovery of typical giant proerythroblasts in the bone marrow.

We report the case of a 65 year-old man with a history of deceased donor renal transplant in September 2014. At 38 days after the transplant, the patient presented progressive anaemia that was resistant to erythropoiesis-stimulating agents. At 64 days after transplant, hyperthermia occurred with progressive deterioration of the patient's general condition. The viral serology and the first blood PCR for human parvovirus B19 were both negative. At 4 months and 19 days after, a bone marrow biopsy was conducted, showing giant erythroblasts with nuclear viral inclusions that were compatible with parvovirus; a PCR in the tissue confirmed the diagnosis. A second blood PCR was positive for parvovirus. After treatment with intravenous immunoglobulin and the temporary discontinuation of mycophenolate mofetil, a complete remission of the disease occurred, although the blood PCR for parvovirus B19 remained positive, so monitoring is necessary for future likely recurrence.

Keywords : Renal transplant; Human Parvovirus B19; Post-transplant anaemia.

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