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Updated: Jul 28, 2026

Mouse Kidney Transplantation: Models of Allograft Rejection
Published on: October 11, 2014
The national kidney transplant program in Norway still results in unchanged waiting lists
O H Bentdal1, T Leivestad, P Fauchald
1Rikshospitalet, University of Oslo, Norway.
Insights
Kidney transplantations increased, with deceased donor grafts showing lower survival rates, especially in older patients. HLA-DR matching improved outcomes for older recipients receiving deceased donor grafts.
Area of Science:
- Nephrology
- Transplantation immunology
- Public health
Background:
- End-stage renal disease (ESRD) management relies heavily on renal replacement therapy (RRT), including dialysis and kidney transplantation.
- The demand for kidney transplantation has been rising, influenced by an increasing elderly ESRD population.
- Waiting lists for kidney transplants have remained relatively stable despite a growing dialysis population.
Purpose of the Study:
- To analyze trends in kidney transplantation and graft survival in Norway between 1989 and 1997.
- To evaluate the outcomes of kidney transplants from living donors (LDs) versus deceased donors (CDs).
- To identify factors influencing graft survival, particularly in elderly recipients.
Main Methods:
- Retrospective analysis of 2,670 patients initiating RRT in Norway (1989-1997).
- Data collection on transplantation rates, donor types (LD vs. CD), and patient demographics.
- Graft survival rates were calculated and stratified by donor type, donor relationship, recipient age, and HLA matching.
Main Results:
- A total of 1,681 kidney transplants were performed; 54% of all patients requiring RRT received a transplant.
- First LD grafts showed 1- and 5-year survival rates of 91% and 77%, respectively.
- First CD grafts had 1- and 5-year survival rates of 84% and 65%, respectively, with significantly lower rates in older recipients (>65 years).
Conclusions:
- Kidney transplantation rates increased, but the growing dialysis population outpaced transplant capacity.
- Deceased donor kidney grafts had lower survival rates compared to living donor grafts, with older recipients experiencing poorer outcomes.
- HLA-DR matching demonstrated a significant benefit in deceased donor kidney transplants, especially for elderly patients.
Abstract:
1. Of 2,670 patients starting renal replacement therapy for end-stage renal disease in Norway from 1989-1997, 76% were candidates for transplantation. The annual need for transplantations increased from 47 to 64 grafts PMP as the number of elderly patients increased. The national waiting list has remained almost stable during the period from 1989-1997 at levels of 25-30 PMP, but the dialysis population has increased from 57-105 PMP. 2. A total of 1,681 transplants was performed at an annual rate varying between 38 and 46 grafts PMP. The grafts were procured from LDs in 41% and CDs in 59% of cases. Totally 69% of all patients in need were transplanted and 54% of all patients requiring replacement therapy for end-stage renal disease received a transplant. 3. Graft survival rates in recipients of first LD grafts (n = 641) were 91% and 77% at one and 5 years, respectively. One-year graft survival was 97% in HLA-identical grafts (n = 71), 92% in haploidentical grafts (n = 419), 88% in 2 haplotype-mismatched related grafts (n = 43), and 87% in spousal donor grafts (n = 108). 4. Graft survival rates in recipients of first CD grafts (n = 801) were 84% and 65% at one and 5 years, respectively. The rates were 86% and 74% in younger (n = 557) versus 78% and 46% in older (> 65 years) (n = 244) patients. Death with a functioning graft caused approximately 45% and 75% of all graft losses in younger and older patients, respectively. Cardiovascular disease was the major cause of death. 5. A significant beneficial effect of HLA-DR matching was observed in CD grafts performed after 1989, in particular in patients older than age 65.
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