Abstract
Our aim was to assess the medium-time results after orthotopic heart transplantation (OHT) depending on the serostatus of heart transplant recipients at the time of transplantation. Materials and Methods We enrolled 120 patients in this retrospective study including 107 males and an overall mean age of 49.1 ± 8.6 years ischemic heart disease (IHD) was the diagnosis before OHT in 46%. The mean follow-up was 48 months. The first diagnostic coronary angiography was routinely preformed at 1 year after OHT, and then every second year. We evaluated every incidence of a change in the coronary arteries, the presence of significant stenosis (requiring percutaneous coronary intervention), acute myocardial infarction, death, or retransplantation. Using indirect immunofluorescence assays we detected Epstein-Barr virus (EBV) antigenemia by identification of antibodies against early antigens of EBV (EA) of IgM and IgG classes as well as IgG antibodies against nuclear antigen of EBV (EBNA). Since April 2001 all three types of antibodies were routinely investigated on admission to the hospital for OHT. Results At the time of transplantation, IgM-EA antibodies were detected in 17 (14%) patients, IgG-EA in 35 (29%), and IgG-EBNA in 113 (94%). Survival rate, incidence of cardiac allograft vasculopathy and death, as a function of the serostatus of the heart recipient at the time of transplantation were estimated by Kaplan-Meier curves; the results were compared by log-rank tests. The findings among IgM EA, IgG EA, and IgG EBNA-positive and -negative groups were statistically comparable. Conclusion Infection with EBV before OHT did not worsen the prognosis over the first 4 years after transplantation.
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