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HHV-6 Reactivation Tied to acute GvHD and Steroid Administration

A large-scale multiplex PCR assay developed by a team in Japan was used to study 13 DNA viruses in 105 allogenic hematopoietic stem cell transplant patients. They found that patients treated with steroids had a significantly higher risk of HHV-6 reactivation (p=0.027), and that HHV-6 was the only virus tied to the onset of acute GVHD (p=0.016).

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Poor Outcome in ICU Patients with HHV-6 & CMV

Intensive care (ICU) patients with co-infections of HHV-6 and CMV are 7.5x more likely to die or have an extended stay in the hospital. On the other hand, single infections with either HHV-6 or CMV did not significantly impact outcome.

Multiplex PCR; HHV-6 loads higher with steroids

A large-scale multiplex PCR assay developed by a team in Japan was used to study 13 DNA viruses in 105 allogenic hematopoietic stem cell transplant patients. Their findings identify HHV-6 as the most common virus (found in 60% of all patients), and also as the only virus tied to the onset of acute GVHD (p=0.016). Interestingly, HHV-6 reactivation was associated …

Expert Opinion: Dr. Louis Flamand calls for screening of transplant organs and cells for ciHHV-6 status

Dr. Flamand, a professor and molecular virologist at Université Laval in Quebec city, has written an editorial calling for screening of organ donors for ciHHV-6 status and careful monitoring of recipients of ciHHV-6 donor tissues for signs of active HHV-6 infection and HHV-6 antigen-induced immune rejection. Flamand also questions whether solid organs and stem cells derived from persons with ciHHV-6 should be used in transplantation.