Long-Term Outcomes in 831 Kidney Transplant Recipients with 20 Years of Graft Function
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Keywords

Kidney transplantion
long-term outcomes
infection
cardiovascular disease
cancer

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How to Cite

1.
Kirchner V, Gillingham K, Serrano O, Chinnakotla S, Dunn T, Finger E, Kandaswamy R, Ibrahim H, Spong R, Payne W, Pruett T, Sutherland D, Najarian J, Matas A. Long-Term Outcomes in 831 Kidney Transplant Recipients with 20 Years of Graft Function. Integr J Med Sci [Internet]. 2021 Apr. 7 [cited 2021 Sep. 24];8. Available from: https://mediterraneanjournals.com/index.php/ijms/article/view/451

Abstract

An understanding of long-term outcomes for kidney transplant(KTx) recipients who survive with graft function beyond a specific time posttransplant is the first step in creating protocols to optimize care for current and improve outcomes for future recipients. We studied 831KTx recipients-580 living donor(LD); 251 deceased donor(DD)—with graft survival(GS) >20 years.  For primary LD recipients, 25-year patient survival(PS) was 83%; 35-year, 59%.  Their 25-year death-censored graft survival(DCGS) was 89%; 35-year, 72%.   DD recipients had lower PS(P<0.01), DCGS(P<0.01).   After 20 years, two major causes of graft loss(GL) were death with function(DwF)(58%, LD; 58%, DD) and interstitial fibrosis and tubular atrophy(IFTA)(22%, LD; 23%, DD).  Two major causes of DwF were cancer(31%, LD; 31%, DD) and cardiovascular disease(CVD)(19%, LD;17%, DD).  Per multivariate analysis(MVA), risk factors for GL after 20 years in pre–calcineurin inhibitor(CNI) era were human leukocyte antigen(HLA) mismatches >3 antigens, pretransplant type 1 diabetes mellitus(DM1); in CNI era, a history of rejection, female gender.  New comorbidities after 20 years were common: CVD(13%, non-DM1;18%, DM1), infections(27%, non-DM1;37%, DM1), 20-29 years posttransplant.  Cancer after 20 years included: nonmelanotic skin cancer,22%; solid organ,7%; post-transplant lymphoproliferative disease(PTLD),2%.  To improve long-term outcomes, clinical trials on prevention, recognition, and treatment of new comorbidities are needed.

https://doi.org/10.15342/ijms.2021.451
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