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Induction immunosuppression regimens for kidney transplants in lung transplant recipients vary widely. We studied the impact of induction types for kidney after lung transplant recipients. Using the Scientific Registry of Transplant Recipients database between 1994 and 2015, we studied outcomes of patients and kidney grafts for 330 kidney after lung transplant recipients for whom induction before kidney transplant included depletional (n = 115), non-depletional (n = 170), or no induction (steroids only; n = 45). We studied risk factors for recipient and graft survival using Cox proportional hazards model adjusted for kidney and lung induction, kidney donor type, dialysis status, recipient and donor ages, time from lung to kidney transplant, cause of lung disease, bilateral vs single lung transplant, diabetes, and human leukocyte antigen mismatches before kidney transplant, with transplant center as a random effect. There was no difference between groups in patient survival or death-censored kidney allograft survival. The 1-year kidney acute rejection rates were 15.5%, 7.14%, and 0% in depletional, non-depletional, and no induction groups, respectively. In the Cox model for patient survival, living kidney donor recipients and bilateral lung transplant recipients were favorable predictors. For death-censored graft survival, kidney induction type did not predict graft survival. Results did not change when models only included recipients on tacrolimus and mycophenolate based maintenance. The type of kidney induction did not influence patient or kidney graft survival following kidney transplants for those with previous lung transplants. No induction may be the preferred choice for kidney after lung transplant because of the lack of benefits from biologic induction in this large cohort. Copyright © 2019 International Society for Heart and Lung Transplantation. Published by Elsevier Inc. All rights reserved.

Citation

Samy Riad, Umesh Goswami, Scott Jackson, Marshall Hertz, Arthur Matas. Induction type and outcomes for kidney graft and patient survival in recipients with prior lung transplantation in the United States. The Journal of heart and lung transplantation : the official publication of the International Society for Heart Transplantation. 2020 Feb;39(2):157-164

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PMID: 31837899

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