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  • Title: Comparison of cytomegalovirus pp-65 antigenemia assay and plasma DNA correlation with the clinical outcome in transplant recipients.
    Author: de Oña M, Melón S, Galarraga MC, Palacio A, Lambert JL, Bernardo MJ, Rodríguez M, Gómez E.
    Journal: Transpl Int; 2005 Jan; 18(1):43-6. PubMed ID: 15612982.
    Abstract:
    The relationship between quantitative antigenemia and plasma DNAemia was studied for monitoring cytomegalovirus (CMV) viremia in CMV infection (CMVI) or disease (CMVD), in 20 transplant recipients (13 CMD, seven CMVI). A total of 142 samples of blood were assayed for CMV-DNA and pp-65 antigenemia (CMV-Ag). A quantitative correlation between both markers was found (P < 0.0001). First CMV antigenemia as well as first plasma DNA viral load was similar in CMVI and CMVD (29 vs. 24 CMV-Ag+ cells/10(5) PMN; and 7445 vs. 12407 CMV-DNA copies/ml). The maximum antigenemia was higher in CMVD than in CMVI (146 +/- 87 vs. 61 +/- 54 +cells/10(5) PMN, P < 0.05), but the highest CMV plasma viral load was similar in both groups (62592 +/- 33000 vs. 42055 +/- 38600 copies/ml). In nine patients, maximum antigenemia coincided with highest plasma DNA viral load, but in 10 highest DNAemia occurred 6 days later. On the contrary, antigenemia declined faster than CMV-DNAnemia, after treatment.
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