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Impact of Pre-Transplant Non-Dialysis Renal Dysfunction in Heart Transplant Recipients on Post-Transplant ESRD: A UNOS Database Analysis

S. Akkina, A. Desai, J. Yoo, S. Hou, R. Parasuraman.

Medicine, Loyola University Medical Center, Maywood, IL.

Meeting: 2018 American Transplant Congress

Abstract number: B37

Keywords: Heart transplant patients, Renal failure, Survival

Session Information

Session Name: Poster Session B: Heart and VADs: All Topics

Session Type: Poster Session

Date: Sunday, June 3, 2018

Session Time: 6:00pm-7:00pm

 Presentation Time: 6:00pm-7:00pm

Location: Hall 4EF

Dialysis prior to heart transplant (HTx) is a strong predictor of patient death and is a common indication for simultaneous heart/kidney transplantation (SHK). The association of pre-transplant (pre-Tx) non-dialysis dependent renal dysfunction on post-transplant ESRD is not well defined. In this study, we looked at the association between dialysis-free survival and patient survival with pre-Tx CKD. Methods: We identified 28,774 HTx alone recipients over the age of 18 from the United Network of Organ Sharing database between 1/2000 and 12/2015 that did not require dialysis pre-Tx. The primary outcomes were ESRD-free survival, patient survival, and the combined endpoint of ESRD-free and patient survival. The data were analyzed using a non-competing risk Cox proportional hazards model. The adjusted models included age, gender, ethnicity, cause of heart failure, diabetes, use of a VAD, being status 1A at the time of listing, use of an intra-aortic balloon pump prior to transplant, use of calcineurin inhibitor, mTOR inhibitor, lymphocyte depleting agent, or IL-2 receptor antibodies. Results: Of the 28,774 heart transplant alone recipients, 6,542 (23%) had stage 3A CKD (GFR 45-60mL/min/1.73m2), 3,669 (13%) had stage 3B CKD (30-45mL/min/1.73m2), 740 (3%) with stage 4 CKD (GFR 15-30mL/min/1.73m2), and 462 (2%) had stage 5 CKD (GFR < 15mL/min/1.73m2) at the time of transplant. Within this cohort, 2105 (7%) developed ESRD or received a kidney transplant while 8,093 (28%) died during the study period. The stage 5 CKD group was notably younger, non-diabetic, and had a lower BMI compared to the other CKD groups. In addition, stage 5 CKD was less likely to have a VAD and more likely to use mTOR inhibitors. The adjusted analyses are shown below.

Predictor (ref=GFR>60) ESRD/Transplant Death ESRD/Transplant/Death
Stage 3A 1.45 (1.30-1.62) 1.09 (1.03-1.15) 1.15 (1.10-1.21)
Stage 3B 2.31 (2.05-2.60) 1.26 (1.18-1.35) 1.44 (1.36-1.52)
Stage 4 4.72 (3.97-5.61) 1.58 (1.40-1.79) 2.10 (1.90-2.32)
Stage 5 1.66 (1.23-2.24) 1.44 (1.24-1.67) 1.48 (1.29-1.68)

Conclusion: Lower renal function pre-Tx is associated with a higher risk of ESRD/transplant and death compared to normal renal function pre-Tx. Further study is needed to determine if SHK can improve outcomes for those with pre-Tx non-dialysis dependent renal dysfunction.

CITATION INFORMATION: Akkina S., Desai A., Yoo J., Hou S., Parasuraman R. Impact of Pre-Transplant Non-Dialysis Renal Dysfunction in Heart Transplant Recipients on Post-Transplant ESRD: A UNOS Database Analysis Am J Transplant. 2017;17 (suppl 3).

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To cite this abstract in AMA style:

Akkina S, Desai A, Yoo J, Hou S, Parasuraman R. Impact of Pre-Transplant Non-Dialysis Renal Dysfunction in Heart Transplant Recipients on Post-Transplant ESRD: A UNOS Database Analysis [abstract]. https://atcmeetingabstracts.com/abstract/impact-of-pre-transplant-non-dialysis-renal-dysfunction-in-heart-transplant-recipients-on-post-transplant-esrd-a-unos-database-analysis/. Accessed June 5, 2025.

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