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Morbidity and Mortality in Adult Fontan Patients After Heart or Combined Heart-Liver Transplantation.
Morbidity and Mortality in Adult Fontan Patients After Heart or Combined Heart-Liver Transplantation. Journal of the American College of Cardiology Lewis, M. J., Reardon, L. C., Aboulhosn, J., Haeffele, C., Chen, S., Kim, Y., Fuller, S., Forbess, L., Alshawabkeh, L., Urey, M. A., Book, W. M., Rodriguez, F., Menachem, J. N., Clark, D. E., Valente, A. M., Carazo, M., Egbe, A., Connolly, H. M., Krieger, E. V., Angiulo, J., Cedars, A., Ko, J., Jacobsen, R. M., Earing, M. G., Cramer, J. W., Ermis, P., Broda, C., Nugaeva, N., Ross, H., Awerbach, J. D., Krasuski, R. A., Rosenbaum, M. 2023; 81 (22): 2161-2171Abstract
An increasing number of adult Fontan patients require heart transplantation (HT) or combined heart-liver transplant (CHLT); however, data regarding outcomes and optimal referral time remain limited.The purpose of this study was to define survivorship post-HT/CHLT and predictors of post-transplant mortality, including timing of referral, in the adult Fontan population.A retrospective cohort study of adult Fontan patients who underwent HT or CHLT across 15 centers in the United States and Canada was performed. Inclusion criteria included the following: 1) Fontan; 2) HT/CHLT referral; and 3) age =16 years at the time of referral. Date of "failing" Fontan was defined as the earliest of the following: worsening fluid retention, new ascites, refractory arrhythmia, "failing Fontan" diagnosis by treating cardiologist, or admission for heart failure.A total of 131 patients underwent transplant, including 40 CHLT, from 1995 to 2021 with a median post-transplant follow-up time of 1.6 years (Q1 0.35 years, Q3 4.3 years). Survival was 79% at 1 year and 66% at 5 years. Survival differed by decade of transplantation and was 87% at 1 year and 76% at 5 years after 2010. Time from Fontan failure to evaluation (HR/year: 1.23 [95% CI: 1.11-1.36]; P < 0.001) and markers of failure, including NYHA functional class IV (HR: 2.29 [95% CI: 1.10-5.28]; P = 0.050), lower extremity varicosities (HR: 3.92 [95% CI: 1.68-9.14]; P = 0.002), and venovenous collaterals (HR: 2.70 [95% CI: 1.17-6.20]; P = 0.019), were associated with decreased post-transplant survival at 1 year in a bivariate model that included transplant decade.In our multicenter cohort, post-transplant survival improved over time. Late referral after Fontan failure and markers of failing Fontan physiology, including worse functional status, lower extremity varicosities, and venovenous collaterals, were associated with post-transplant mortality.
View details for DOI 10.1016/j.jacc.2023.03.422
View details for PubMedID 37257951