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Changing demographics in renal transplant recipients: the 30 year Cleveland Clinic experience.

While it does appear that the most recent era of transplantation has not resulted in significant improvement in long-term allograft function, this appears to be due, at least in part, to the transplantation of increasing numbers of high-risk patients. It is noted that the improved results accomplished over prior eras of transplantation have been maintained despite the inclusion of these high-risk patients. Patients currently undergoing transplantation are more likely to be older, diabetic, obese or African American. All of these subgroups have poorer patient survival in the most recent transplant era and thus, death with a functioning graft has become a significant contributor to graft loss. Recipients were more likely to receive kidneys from cadaveric donors in the most recent era and within the live-donor groups, sibling donation has decreased. Hopefully, the recent trend of increased live-donor transplants (especially living, unrelated transplants) will continue. Cadaveric recipients were at higher risk for posttransplant ATN which, for the first time in the current era, had a significant adverse impact on graft survival. Long-term survival appeared to be associated with particular characteristics (optimal age at transplantation, optimal donor age, live donor, etc.), and can be achieved despite known risk factors, such as rejection or delayed graft function.