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Abstract
BACKGROUND: Diabetes mellitus (DM) may occur either pre-heart transplant (HT) or as new onset DM post-HT. We sought to define the contemporary incidence of post-HT DM, evaluate risk factors for post-HT DM, and assess the impact of post-HT DM on major outcomes.METHODS: The cohort included International Society for Heart and Lung Transplantation (ISHLT) Thoracic Organ Transplant Registry adult primary HT-alone recipients, transplanted January 1995-June 2017, who survived to 1 year post-HT. DM status was characterized as (1) No DM pre- or post-HT; (2) Pre-HT DM; or (3) Post-HT DM (onset within 5 years of HT). Cox proportional hazards models were constructed to identify risk factors for post-HT DM onset, as well as risk factors for post-HT severe renal dysfunction and death/retransplantation.RESULTS: Of 26 263 eligible subjects, 57% had no DM pre- or post-HT, 22% had pre-HT DM; 21% had new onset post-HT DM. Risk factors for the development of post-HT DM included use of tacrolimus or steroids at 1-year post-HT, as well as with higher recipient age, female sex, ischemic cardiomyopathy, higher body mass index (BMI), pre-HT dialysis, and pre-HT steroid use. Post-HT DM within 5 years was associated with increased subsequent severe renal dysfunction (hazard ratio, HR, 1.89; 95% CI 1.77, 2.01) and death/retransplantation (HR 1.38; 95% CI 1.32, 1.45), compared to patients without post-HT DM.CONCLUSIONS: Post-HT DM is common, occurring in 21% of recipients within 5 years of HT. Post-HT DM is associated with increased risk of severe renal dysfunction and death or retransplantation.
View details for DOI 10.1097/TP.0000000000003647
View details for PubMedID 33496556