期刊
ANNALS OF TRANSPLANTATION
卷 27, 期 -, 页码 -出版社
INT SCIENTIFIC INFORMATION, INC
DOI: 10.12659/AOT.935625
关键词
Immunization; Inflammation Mediators; Kidney Transplantation
Keeping a kidney graft in situ after returning to dialysis does not lead to an increase in microinflammation. Although more than 50% of patients develop DSA after an allograft nephrectomy, the outcome of a renal re-transplantation seems to be unaffected.
Background: Morbidity and mortality rates are high for patients returning to dialysis after renal graft failure. Keeping failed kidney transplants in situ with concomitant minimization or withdrawal of immunosuppression is standard of care in many transplant centers. It is unclear, however, whether the resulting allospecific immune response can cause a microinflammatory milieu. The present work investigated the impact of allograft nephrectomy on systemic inflammation, erythropoiesis, and donor-specific antibodies (DSA). Material/Methods: We performed a retrospective analysis evaluating C-reactive protein (CRP), hemoglobin concentration (Hb), fer-ritin, iron substitution dosages, erythropoietin dosages, and DSA in 92 transplant recipients with allograft fail-ure, of whom 49 did not (Group A) and 43 did undergo transplant nephrectomy (Group B). Blood samples and clinical data were obtained 3-6 months after returning to dialysis. We additionally assessed outcome of kidney re-transplantation in a 10-year follow-up. Results: There was no significant difference in Hb concentrations, ferritin concentrations, CRP concentrations, iron, and EPO substitution dosages between the 2 groups. Patients undergoing nephrectomy had a significantly high-er prevalence of DSA (65.1% vs 38.8%, P<0.0001). In the 10-year follow-up, 3 patients (12%) of Group B and none in Group A had allograft failure after primary successful re-transplantation. Conclusions: Keeping a kidney graft in situ after returning to dialysis did not lead to an increase in microinflammation. Although DSA develops in more than 50% of patients after an allograft nephrectomy, the outcome of a renal re-transplantation seems to be unaffected. Thus, both strategies are feasible options in kidney transplant re-cipients after return to dialysis.
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