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Risk factors and outcomes for delayed kidney graft function in simultaneous heart and kidney transplant recipients: A UNOS/OPTN database analysis. 2021

Sandesh Parajuli, and Aos S Karim, and Brenda L Muth, and Glen E Leverson, and Qiuyu Yang, and Ravi Dhingra, and Jason W Smith, and David P Foley, and Didier A Mandelbrot
Division of Nephrology, Department of Medicine, School of Medicine and Public Health, University of Wisconsin, Madison, Wisconsin.

There are no prior studies assessing the risk factors and outcomes for kidney delayed graft function (K-DGF) in simultaneous heart and kidney (SHK) transplant recipients. Using the OPTN/UNOS database, we sought to identify risk factors associated with the development of K-DGF in this unique population, as well as outcomes associated with K-DGF. A total of 1161 SHK transplanted between 1998 and 2018 were included in the analysis, of which 311 (27%) were in the K-DGF (+) group and 850 in the K-DGF (-) group. In the multivariable analysis, history of pretransplant dialysis (OR: 3.95; 95% CI: 2.94 to 5.29; p < .001) was significantly associated with the development of K-DGF, as was donor death from cerebrovascular accident and longer cold ischemia time of either organ. SHK recipients with K-DGF had increased mortality (HR: 1.99; 95% CI: 1.52 to 2.60; p < .001) and death censored kidney graft failure (HR: 3.51; 95% CI: 2.29 to 5.36; p < .001) in the multivariable analysis. Similar outcomes were obtained when limiting our study to 2008-2018. Similar to kidney-only recipients, K-DGF in SHK recipients is associated with worse outcomes. Careful matching of recipients and donors, as well as peri-operative management, may help reduce the risk of K-DGF and the associated detrimental effects.

UI MeSH Term Description Entries
D007668 Kidney Body organ that filters blood for the secretion of URINE and that regulates ion concentrations. Kidneys
D006084 Graft Rejection An immune response with both cellular and humoral components, directed against an allogeneic transplant, whose tissue antigens are not compatible with those of the recipient. Transplant Rejection,Rejection, Transplant,Transplantation Rejection,Graft Rejections,Rejection, Graft,Rejection, Transplantation,Rejections, Graft,Rejections, Transplant,Rejections, Transplantation,Transplant Rejections,Transplantation Rejections
D006085 Graft Survival The survival of a graft in a host, the factors responsible for the survival and the changes occurring within the graft during growth in the host. Graft Survivals,Survival, Graft,Survivals, Graft
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D012189 Retrospective Studies Studies used to test etiologic hypotheses in which inferences about an exposure to putative causal factors are derived from data relating to characteristics of persons under study or to events or experiences in their past. The essential feature is that some of the persons under study have the disease or outcome of interest and their characteristics are compared with those of unaffected persons. Retrospective Study,Studies, Retrospective,Study, Retrospective
D012307 Risk Factors An aspect of personal behavior or lifestyle, environmental exposure, inborn or inherited characteristic, which, based on epidemiological evidence, is known to be associated with a health-related condition considered important to prevent. Health Correlates,Risk Factor Scores,Risk Scores,Social Risk Factors,Population at Risk,Populations at Risk,Correlates, Health,Factor, Risk,Factor, Social Risk,Factors, Social Risk,Risk Factor,Risk Factor Score,Risk Factor, Social,Risk Factors, Social,Risk Score,Score, Risk,Score, Risk Factor,Social Risk Factor
D014019 Tissue Donors Individuals supplying living tissue, organs, cells, blood or blood components for transfer or transplantation to histocompatible recipients. Organ Donors,Donors,Ovum Donors,Semen Donors,Transplant Donors,Donor,Donor, Organ,Donor, Ovum,Donor, Semen,Donor, Tissue,Donor, Transplant,Donors, Organ,Donors, Ovum,Donors, Semen,Donors, Tissue,Donors, Transplant,Organ Donor,Ovum Donor,Semen Donor,Tissue Donor,Transplant Donor
D016030 Kidney Transplantation The transference of a kidney from one human or animal to another. Grafting, Kidney,Renal Transplantation,Transplantation, Kidney,Transplantation, Renal,Kidney Grafting,Kidney Transplantations,Renal Transplantations,Transplantations, Kidney,Transplantations, Renal
D051799 Delayed Graft Function General dysfunction of an organ occurring immediately following its transplantation. The term most frequently refers to renal dysfunction following KIDNEY TRANSPLANTATION. Graft Function, Delayed

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