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Cytomegalovirus Donor Seropositivity Negatively Affects Survival After Heart Transplantation.
Cytomegalovirus Donor Seropositivity Negatively Affects Survival After Heart Transplantation. Transplantation Heim, C., Müller, P. P., Tandler, R., Cherikh, W. S., Toll, A. E., Stehlik, J., Weyand, M., Khush, K. K., Ensminger, S. M. 2021Abstract
Prior studies have shown that cytomegalovirus(CMV) infection is a risk factor for the development of cardiac allograft vasculopathy(CAV) and is associated with reduced long-term survival after heart transplantation. The aim of this ISHLT Transplant Registry study was to compare post-transplant survival in different CMV donor:recipient serologic combinations.We performed a retrospective cohort study, using the ISHLT Thoracic Transplant Registry, on 15,885 adult primary heart transplant recipients with known CMV serologic status between 7/2004 and 6/2014. Post-transplant survival and risk of developing CAV were compared across 4 groups: CMV-seronegative recipients(R-) receiving CMV-positive grafts(D+), intermediate-risk patients(D+R+ and D-R+), and low-risk patients(D-R-).Baseline characteristics (donor/recipient age, BMI, recipient serum creatinine, blood group, donor cause of death, recipient diagnosis and ischemic time) were mostly balanced between the groups. Kaplan Meier survival analyses over a follow up of 10 years revealed significantly worse survival for both D+ groups as compared to the CMV low risk group (D+R+:56.61% (95%CI 53.94,59.41) vs. D-R-:63.09% (59.74,66.64) p<.01 and D+R-:57.69% (56.03,59.39) vs. D-R-; p<.001), whereas recipient seropositivity alone was not associated with reduced survival (D-R+ vs. D-R- p=.178). The risk of developing CAV after HTx was not significantly increased in D+ as compared to D- groups.In a large contemporary cohort, CMV status at the time of heart transplantation was not associated with CAV development. However, there was a significant association between donor CMV seropositivity and reduced short- and long-term survival after heart transplantation. Approaches to mitigate the impact of CMV on post-transplant survival are needed.Supplemental Visual Abstract; http://links.lww.com/TP/C292.
View details for DOI 10.1097/TP.0000000000003961
View details for PubMedID 34560698