Renal Allograft Outcome After Simultaneous Heart and Kidney Transplantation

Avishay Grupper, Ayelet Grupper, Richard C. Daly, Naveen L. Pereira, Matthew A. Hathcock, Walter K. Kremers, Fernando G. Cosio, Brooks S. Edwards, Sudhir S. Kushwaha

Research output: Contribution to journalArticlepeer-review

Abstract

Chronic kidney disease frequently accompanies end-stage heart failure and may result in consideration of simultaneous heart and kidney transplantation (SHKT). In recent years, there has been a significant increase in SHKT. This single-center cohort consisted of 35 patients who underwent SHKT during 1996 to 2015. The aim of this study was to review factors that may predict better long-term outcome after SKHT. Thirteen patients (37%) had delayed graft function (DGF) after transplant (defined as the need for dialysis during the first 7 days after transplant), which was significantly associated with mechanical circulatory support device therapy and high right ventricular systolic pressure before transplant. Most of the recipients had glomerular filtration rate (GFR) ≥50 ml/min/1.73 m2 at 1 and 3 years after transplant (21 of 26 [81%] and 20 of 21 [95%], respectively). Higher donor age was associated with reduced 1-year GFR (p = 0.017), and higher recipient pretransplant body mass index was associated with reduced 3-year GFR (p = 0.008). There was a significant association between DGF and reduced median GFR at 1 and 3 years after transplant (p <0.005). Patient survival rates at 6 months, 1, and 3 years after transplant were 97%, 91%, and 86% respectively. In conclusions, our data support good outcomes after SHKT. Mechanical circulatory support device therapy and pulmonary hypertension before transplant are associated with DGF, which is a risk factor for poor long-term renal allograft function.

Original languageEnglish
Pages (from-to)494-499
Number of pages6
JournalAmerican Journal of Cardiology
Volume120
Issue number3
DOIs
StatePublished - 1 Aug 2017
Externally publishedYes

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