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Racial disparity in kidney transplant survival relates to late rejection and is independent of steroid withdrawal
Author(s) -
Liu Angela,
Woodside Kenneth J.,
Augustine Joshua J.,
Sarabu Nagaraju
Publication year - 2018
Publication title -
clinical transplantation
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.918
H-Index - 76
eISSN - 1399-0012
pISSN - 0902-0063
DOI - 10.1111/ctr.13381
Subject(s) - medicine , dialysis , kidney transplantation , proportional hazards model , kidney , univariate analysis , transplantation , multivariate analysis , urology , surgery
Black kidney transplant recipients have more acute rejection (AR) and inferior graft survival. We sought to determine whether early steroid withdrawal (ESW) had an impact on AR and death‐censored graft loss (DCGL) in blacks. From 2006 to 2012, AR and graft survival were analyzed in 483 kidney recipients (208 black and 275 non‐black). Rates of ESW were similar between blacks (65%) and non‐blacks (67%). AR was defined as early (≤3 months) or late (>3 months). The impact of black race, early AR, and late AR on death‐censored graft failure was analyzed using univariate and multivariate Cox models. Blacks had greater dialysis vintage, more deceased donor transplants, and less HLA matching, yet rates of early AR were comparable between blacks and non‐blacks. However, black race was a risk factor for late AR (HR: 3.48 (95% CI: 1.87‐6.47)) Blacks had a greater rate of DCGL, partially driven by late AR (HR with late AR: 5.6; 95% CI: 3.3‐9.3). ESW had no significant interaction with black race for risk of early AR, late AR, or DCGL. Independent of ESW, black kidney recipients had a higher rate of late AR after kidney transplantation. Late AR was highly predictive of DCGL and contributed to inferior graft survival in blacks.

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