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Prevalence of human herpesviruses in biliary fluid and their association with biliary complications after liver transplantation

Authors
  • Rauber, Conrad
  • Bartelheimer, Katja
  • Zhou, Taotao
  • Rupp, Christian
  • Schnitzler, Paul
  • Schemmer, Peter
  • Sauer, Peter
  • Weiss, Karl Heinz
  • Gotthardt, Daniel Nils
Type
Published Article
Journal
BMC Gastroenterology
Publisher
Springer (Biomed Central Ltd.)
Publication Date
Jun 27, 2019
Volume
19
Issue
1
Identifiers
DOI: 10.1186/s12876-019-1033-x
Source
Springer Nature
Keywords
License
Green

Abstract

BackgroundBeta-herpesviruses are common opportunistic pathogens that cause morbidity after liver transplantation (LT).MethodsObjective of the study was to evaluate the prevalence and correlation of herpesviruses in bile, blood and liver tissue and to investigate their association with biliary complications and retransplantation (re-LT) free survival after LT.The study design is a single-center case-control study. We performed quantative polymerase chain reaction (qPCR) for herpesvirus 1–8 DNA in bile, blood and liver tissue of 73 patients after first LT and analyzed their clinical courses retrospectively.ResultsThe median follow-up was 48 months (range 2–102), during which a total of 16 patients underwent re-LT and 11 patients died. Of the patients, 46.5% received valganciclovir prophylaxis at the time of bile sample acquisition. Cytomegalovirus (CMV) (18.3%), human herpesvirus 6 (HHV-6) (34.2%), human herpesvirus 7 (HHV-7) (20.5%) and Epstein-Barr virus (EBV) (16.4%) were highly prevalent in bile after LT, while herpes simpex virus 1 and 2 (HSV-1, HSV-2), varicella-zoster virus (VZV) and human herpesvirus 8 (HHV-8) were not or rarely detected in bile. Valganciclovir prophylaxis did not reduce the prevalence of HHV-6 and HHV-7 in bile, but it did reduce the presence of CMV and EBV. The presence of HHV-6 in bile was associated with non-anastomotic biliary strictures (NAS) and acute cellular rejection (ACR).ConclusionsCMV, EBV, HHV-6 and HHV-7 are more prevalent in biliary fluid than in liver biopsy or blood serum after LT. HHV-6 and HHV-7 might be associated with biliary complications after LT. Biliary fluids might be an attractive target for routine herpesvirus detection.

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