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- W2775052996 abstract "Background Animal models and previous reports have suggested a role for anti-HLA antibodies in the development of allograft arteriosclerosis. Our aim was to use an epidemiologic approach to model the respective non-immune and immune parameters associated with development of early arteriosclerosis post transplantation. Methods We included kidney recipients (2004-2010) having evaluation of arteriosclerosis on kidney biopsies performed at 1-year post-transplant (n=744). We assessed the determinants of severe arteriosclerosis (cv Banff score ≥2) using exhaustive evaluation of donor and recipient characteristics, traditional cardiovascular factors and immunological profile in the first year post transplant. Results Two distinct populations were identified according to allograft arteriosclerosis lesions identified at 1-year post transplantation: 1) patients with minimal arteriosclerosis (n=494); 2) patients with severe arteriosclerosis (n=250). As compared to patients with minimal arteriosclerosis, patients with severe arteriosclerosis were significantly older (45±12 vs 52±12, p<0.0001), received older donors (47±16 vs 58±13, p<0.0001) with increased rate of death by cerebrovascular disease (p<0.001), increased cold ischemia time (p<0.0001) and were more sensitized at the time of transplantation. Patients with severe arteriosclerosis and DSA had lower 8 years graft survival as compared to severe arteriosclerosis without DSA (p<0.001). The determinants ofsevere arteriosclerosis at 1 year were i) donor cardiovascular factors: age, male gender, hypertension, diabetes mellitus and dyslipidemia ii) Recipient age, Post transplant recipient systolic blood pressure, diabetes mellitus, LDL blood level iii) rejection episodes and presence of circulating DSA. In the multivariate Cox model, the factors independently associated with severe arteriosclerosis at 1 year post transplantation were: donor age (HR 1.048, p<0.0001), male donor gender (HR 1.048, p<0.0001), Recipient age (HR 1.021, p<0.0185), recipient diabetes post-transplant (HR 3.751, p<0.0042) and the presence of DSA (HR 3.262, p<0.0001). The results were replicated in an independent validation sample of 321 kidney recipients. Conclusion We defined in a large cohort a kidney transplant recipients the independent non-immune and immune determinants of accelerated arteriosclerosis post transplantation with independent association with DSA post transplant." @default.
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- W2775052996 date "2014-07-01" @default.
- W2775052996 modified "2023-09-24" @default.
- W2775052996 title "Post Transplant DSA: Independent Factor of Accelerated Arteriosclerosis in Kidney Transplant Population." @default.
- W2775052996 doi "https://doi.org/10.1097/00007890-201407151-00243" @default.
- W2775052996 hasPublicationYear "2014" @default.
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