• Heidi Reich, Sadia Dimbil, Ryan Levine, Dominick Megna, Savannah Mersola, Jignesh Patel, Michelle Kittleson, Lawrence Czer, Jon Kobashigawa, and Fardad Esmailian.
• Cedars-Sinai Heart Institute, Los Angeles, CA, USA.
• Interact Cardiovasc Thorac Surg. 2019 Jan 1; 28 (1): 45-51.

ObjectivesCombined heart-kidney transplantation has successful outcomes. With an increasing number of patients with end-stage heart disease, there is a high incidence of significant renal insufficiency that may necessitate combined heart-kidney transplant. Outcomes for heart-kidney transplant recipients aged ≥65 years are not well described.MethodsBetween 2010 and 2015, 163 recipients ≥65 years of age were transplanted in a single centre: 12 heart-kidney and 151 isolated heart transplants. Outcomes assessed were estimated glomerular filtration rate at 1, 6 and 12 months after transplant, the need for dialysis, 1-year survival, 1-year freedom from rejection, 1-year freedom from cardiac allograft vasculopathy and 1-year freedom from non-fatal major adverse cardiac events.ResultsRecipient ages were 67.8 ± 1.6 and 69.0 ± 2.8 years for heart-kidney transplant and isolated heart transplant, and pretransplant estimated glomerular filtration rates were 26.6 ± 9.4 vs 55.2 ± 18.9, respectively. At 1 month (66.3 ± 31.4 vs 67.2 ± 28.0, P = 0.92), 6 months (68.1 ± 21.3 vs 60.5 ± 19.6, P = 0.20) and 12 months (58.6 ± 21.5 vs 52.4 ± 18.5, P = 0.27) post-transplant, estimated glomerular filtration rate was similar for heart-kidney transplant versus isolated heart transplant. There was a trend towards reduced 1-year freedom from temporary dialysis after heart-kidney transplant relative to isolated heart transplant (75.0% vs 90.4%, P = 0.06) without a difference in 1-year freedom from chronic dialysis (100% vs 95.2%, P = 0.46). There were no differences in 1-year survival, 1-year freedom from any treated rejection, acute cellular rejection, antibody-mediated rejection, cardiac allograft vasculopathy and non-fatal major adverse cardiac events.ConclusionsFor patients ≥65 years old, heart-kidney transplant can achieve outcomes on par with heart transplant alone.

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