Abstract:
BACKGROUND:Human herpesvirus-6 (HHV-6) is known to reactivate after renal transplantation and has been associated with several clinical manifestations. Risk factors for sustained viral replication, however, remain unclear. METHODS:Thirty consecutive kidney transplant patients were prospectively followed for HHV-6 replication between February 2007 and February 2008. Plasma samples for DNA detection were collected from the donor and the recipient before transplantation and from the recipient weekly for the first 2 months after transplantation and then every 2 weeks for 2 additional months. HHV-6 active infection was defined as detection of viral DNA in plasma, by polymerase chain reaction, in at least two consecutive samples over an interval of at least 1 week. RESULTS:Active viral infection was detected in 25% of the recipients before transplantation and 27% (8 of 30) of the patients after transplantation. The mean time to onset of viral replication was 28.1 days after transplantation and 7 of 8 (87.5%) were asymptomatic. Risk factors associated with active HHV-6 infection were receiving an organ from a living donor (P=0.028), recipients with IgM antibodies detected before transplantation (P=0.005), and pretransplantation recipient HHV-6 viral load more than 10,000 copies/mL plasma (P=0.034). CONCLUSIONS:Active HHV-6 infection occurs early after renal transplantation and is mostly asymptomatic. Donor or recipient infection may occur at the time of transplantation and are related to higher rates of posttransplantation infections.
journal_name
Transplantationjournal_title
Transplantationauthors
Luiz CR,Machado CM,Canto CL,Christ SC,Pestana JO,Kotton CN,Camargo LFdoi
10.1097/TP.0b013e3182807ab7subject
Has Abstractpub_date
2013-03-27 00:00:00pages
842-6issue
6eissn
0041-1337issn
1534-6080journal_volume
95pub_type
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