Pediatric renal transplantation--the NAPRTCS experience

Tejani, A.H.; Sullivan, E.K.; Harmon, W.E.; Fine, R.N.; Kohaut, E.; Emmett, L.; Alexander, S.R.

Clinical Transplants 1997: 87-100

1997


ISSN/ISBN: 0890-9016
PMID: 9919393
Document Number: 470716
The NAPRTCS has enrolled 4,329 children who have received an index renal transplant since 1987. Seventy-three percent of the transplant recipients were children above 6 years of age. In the age group below 6 years rejection episodes are not more frequent, however the first acute rejection episode is frequently irreversible leading to graft failure. Many of the renal disorders that lead to ESRD and transplantation in adults, such as diabetes and hypertension, are less often observed in the pediatric population. Developmental disorders, such as renal dysplasia and obstructive uropathy, are frequent diagnostic entities, and the most common glomerular disorder leading to transplantation in children is focal segmental glomerulosclerosis. In an attempt to overcome dialysis-associated growth retardation many pediatric renal centers resort to preemptive transplantation, thus 24% of the children receiving a transplant have never undergone dialysis. Graft survival in these children is similar to that observed in children receiving maintenance dialysis, however accelerated growth is not noted. Catch-up growth, defined as gain of 1 SDS, is observed in 47% of children below the age of 6 years and in only 22% of children over the age of 6 years. Infants (below 2 years) have a higher mortality rate following transplantation compared to older children. Long-term (5-year) graft survival for children receiving a cadaver donor graft is 60%, and for living donor kidney recipients the graft survival is 76%. Due to changes in practice patterns, such as a judicious use of cadaver donors, increased use of prophylactic T-cell antibody, and better maintenance immunosuppression, cadaver donor graft survival has improved each year since 1987. The cohorts of children with a cadaver donor transplant in the years 1991 and 1992 have a 2-year graft survival which is 10% better than that observed in the earlier years.

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