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  • Title: High prevalence of parvovirus B19 infection in patients with chronic kidney disease under hemodialysis: A multicenter study.
    Author: Alves ADR, Langella BB, Barbosa JR, Lima DM, Colares JKB, Garcia RCNC, Pinto MA, Villar LM, Amado LA.
    Journal: Int J Infect Dis; 2020 Nov; 100():350-356. PubMed ID: 32927082.
    Abstract:
    OBJECTIVES: Parvovirus B19 (B19V) infection is commonly acute and self-limited, but in chronic kidney disease (CKD) patients under dialysis treatment, this infection could increase susceptibility to acute and chronic anemia. The aim of this study was to evaluate the frequency and risk of B19V infection among Brazilian CKD patients under dialysis. METHODS: A study was conducted among 221 CKD patients and a control group of 142 blood donors. B19V infection was evaluated in serum samples by real-time PCR, and ELISA (anti-B19V IgM and IgG). RESULTS: B19V DNA was detected in 65% (145/221) of CKD patients, which was significantly higher (p < 0.001) than in the blood donors (6.3%). Simultaneous detection of B19V IgG and viremia was shown in 40.3% of CKD patients, which was indicative of persistent B19V infection. CKD patients showed an increased risk of developing B19V infection (OR = 28.1, CI = 13.5-58.5, p = 0.001). CONCLUSIONS: Despite an absence of clinical signs of B19V infection, these data highlight the importance of B19V infection in this high-risk population, since a persistent B19V infection could become clinically significant after renal transplant. Moreover, the persistent viremia should be considered as a potential risk, mainly because of the contamination of dialysis equipment.
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