Journal
JOURNAL OF INFECTIOUS DISEASES
Volume 181, Issue 2, Pages 717-720Publisher
UNIV CHICAGO PRESS
DOI: 10.1086/315242
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Cytomegalovirus (CMV) DNA load was analyzed as a marker for relapse of CMV infection in 24 solid organ transplant patients with CMV infection or disease who received a fixed 14-day course of intravenous ganciclovir, Viral load was measured in blood samples obtained before and at the completion of treatment. Eight (33%) of 24 patients developed relapsing CMV infection, Median pretreatment viral loads were higher in the relapsing group (80,150 copies/10(6) leukocytes) than in the nonrelapsing group (5500 copies/10(6) leukocytes; P=.007). The relapsing group also had persistent detectable viral DNA (median, 5810 copies/10(6) leukocytes) after treatment, whereas it was undetectable in the nonrelapsing group (P<.0001). Primary CMV infection (seronegative recipients of seropositive organs, D+R-) was an independent marker for CMV relapse (P=.03), and these patients had higher pre- and post-treatment viral loads than did non-D+/R- patients (P<.0001 and P=.0014, respectively). CMV DNA load is a useful marker for individualizing antiviral treatment of CMV infection in solid organ transplant recipients.
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