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Revista argentina de cardiología

versión On-line ISSN 1850-3748


CELLA FIGUEREDO, ROSARIO DELLA et al. Heart Transplantation in Chagas Cardiomyopathy: 23-Year Follow-Up in a Referral Center. Rev. argent. cardiol. [online]. 2022, vol.90, n.1, pp.50-56.  Epub 01-Mar-2022. ISSN 1850-3748.


Chagas disease affects about 6 million people in Latin America, and 25 to 35% progress to Chagas cardiomyopathy (ChCM). Heart transplantation (HTx) is a therapeutic option in advanced stages.


The aim of this study is to compare survival of patients with HTx due to ChCM versus those transplanted for other etiologies and to analyze the incidence of Chagas disease reactivation (Ra) and its impact on survival in this group of patients. Methods: Patients undergoing HTx between August 1998 and March 2021 were retrospectively evaluated. Survival was analyzed using Kaplan-Meier curves and the log-rank test. The diagnosis of Ra was performed by molecular methods, Strout’s test in peripheral blood, myocardial tissue or skin tissue.


Of 606 patients with Htx, 39(6,4%) presented ChCM. Median follow up was 4.4 years (interquartile range 1.2-8.6). Median age of the subgroup with ChCM was 51 years (IQR 45-60) and 28 were men (72%). Reactivation was documented in 38.5% of the patients. Survival at 1, 5 and 10 years in HTx recipients due to ChCM and Ra versus no Ra was 85%, 76% and 61% versus 72%, 55% and 44%, respectively (p = 0.3). Survival at 1, 5 and 10 years in HTx recipients due to ChCM versus HTx for other causes was 79%, 65% and 50% versus 79%, 62% and 47%, respectively (p = 0.5).


In our series we did not find statistically significant differences in survival of heart transplant recipients due to ChCM versus those transplanted due to other reasons. Survival in patients with Chagas disease reactivation and those without reactivation was also similar.

Palabras clave : Chagas Cardiomyopathy; Heart Transplantation; Reactivation; Survival.

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