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[Posttransplant chronic anemia: parvovirus B19]
Natália Calderia Loss Vincens1, Moisés Carminatti, Marcello Fabiano Franco
1Universidade Federal de Juiz de Fora.
Jornal Brasileiro De Nefrologia
|October 27, 2012
Summary
Parvovirus B19 infection can cause anemia in kidney transplant recipients. Diagnosis requires PCR and bone marrow analysis due to unreliable serology in this population.
Area of Science:
- Nephrology
- Infectious Diseases
- Hematology
Background:
- Anemia is common in kidney transplant patients, with prevalence influenced by time post-transplant and diagnostic criteria.
- Parvovirus B19 (PV B19) infection is an underrecognized cause of anemia in this immunocompromised group.
Observation:
- This case highlights PV B19 infection complicated by pure red cell aplasia (PRCA) in a kidney transplant recipient.
- Diagnostic and treatment challenges were encountered, emphasizing the need for specific diagnostic approaches.
Findings:
- Accurate diagnosis of PV B19 infection in kidney transplant patients necessitates viral DNA detection via polymerase chain reaction (PCR).
- Morphological assessment of bone marrow histology is crucial for diagnosis.
- Kidney transplant patients often exhibit a diminished humoral response to PV B19, reducing the sensitivity of serological tests.
Implications:
- Early and accurate diagnosis of PV B19 infection is vital for managing anemia in kidney transplant recipients.
- Clinicians should consider PV B19 infection in anemic transplant patients, utilizing PCR and bone marrow biopsy when serology is inconclusive.
- Improved diagnostic strategies are needed to address the challenges posed by PV B19 in this vulnerable population.
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