HHV-6A and HHV-6B in Solid Organ Transplantation

Irmeli Lautenschlager, Raymund R. Razonable

Research output: Chapter in Book/Report/Conference proceedingChapter

3 Scopus citations

Abstract

Human herpes virus 6 (HHV-6) infection, mostly due to HHV-6B, is frequently recorded after solid organ transplantation, but symptomatic infections are not common. Only 1 to 6.7% of transplant recipients have been reported to develop clinical illness or allograft dysfunction associated with HHV-6. Fever, myelosuppression, hepatitis, colitis, and encephalitis have been observed. HHV-6 has also been associated with indirect effects, such as acute and chronic allograft rejection, and increased risk of cytomegalovirus (CMV) disease, fungal infections, and other opportunistic infections. HHV-6 has an ability to integrate into the host chromosome, but the clinical significance of chromosomally integrated HHV-6 in transplant patients is not yet clear. The laboratory diagnosis of HHV-6 infection is complex due to the common asymptomatic reactivations. Laboratory diagnostics are primarily based on quantitative nucleic acid amplification tests of blood, plasma, or serum samples. HHV-6 antigens may also be demonstrated in clinical specimens by immunohistochemistry. Antiviral treatment of HHV-6 is indicated in encephalitis or other severe end-organ disease. Foscarnet, ganciclovir, and cidofovir are the drugs used for treatment.

Original languageEnglish (US)
Title of host publicationHuman Herpesviruses HHV-6A, HHV-6B, and HHV-7, Third Edition
PublisherElsevier B.V.
Pages201-215
Number of pages15
ISBN (Print)9780444627032
DOIs
StatePublished - Mar 2014

Keywords

  • Antivirals
  • Heart
  • Kidney
  • Liver
  • Lung
  • Solid organs
  • Transplantation

ASJC Scopus subject areas

  • Immunology and Microbiology(all)

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    Lautenschlager, I., & Razonable, R. R. (2014). HHV-6A and HHV-6B in Solid Organ Transplantation. In Human Herpesviruses HHV-6A, HHV-6B, and HHV-7, Third Edition (pp. 201-215). Elsevier B.V.. https://doi.org/10.1016/B978-0-444-62703-2.00012-4