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Cadaver renal transplantation in children. Incidence, immunosuppression, outcome, and risk factors
Insights
Pediatric kidney transplant graft survival is lower with cadaveric donor (CD) kidneys than living-related donor (LRD) kidneys. Improving outcomes for pediatric CD kidney transplants requires understanding and mitigating key risk factors.
Area of Science:
- Pediatric Nephrology
- Transplantation Immunology
- Organ Transplantation
Background:
- Living-related donor (LRD) kidney transplants are more common in North American children (50%) than in Europe.
- Graft survival rates are significantly lower for pediatric cadaveric donor (CD) kidney transplants compared to LRD.
- Improving CD kidney transplant outcomes in children is crucial due to limited LRD availability.
Purpose of the Study:
- To analyze factors influencing graft survival in pediatric cadaveric renal transplantation.
- To identify risk factors that negatively impact long-term graft survival in children receiving CD kidneys.
- To provide insights for optimizing CD kidney transplantation protocols in pediatric recipients.
Main Methods:
- Review of existing literature on pediatric renal transplantation.
- Analysis of factors affecting graft outcome in pediatric CD kidney recipients.
- Identification of demographic, donor, and transplant-related variables impacting graft survival.
Main Results:
- Young recipient age, use of kidneys from very young donors, and prolonged cold ischemia time are detrimental to graft survival.
- Previous transplant history, lack of a Human Leukocyte Antigen (HLA)-DR match, and Black ethnicity of the recipient adversely affect CD graft survival.
- Approximately 40% of pediatric CD kidney recipients lose their graft within four years.
Conclusions:
- Understanding specific risk factors is essential for improving pediatric CD kidney transplant outcomes.
- Strategies to mitigate risks associated with young recipient age, donor age, cold ischemia time, and immunological factors are needed.
- Optimizing CD renal transplantation in children can enhance long-term graft survival and patient well-being.
Abstract:
In North America, about 50% of all renal transplants done in children are from a living-related donor source--a figure two and a half times greater than the comparative figure for Europe. Graft survival in children is lower for cadaveric donor (CD) than for living-related donor (LRD) kidneys. Four of 10 children with a CD kidney lose their graft within four years. Since it is unlikely that the availability of LRD kidneys will increase, attention must be focused on improving outcome of cadaver renal transplants in children. This review analyzes factors that affect graft outcome. Young recipient age, utilization of kidneys from very young donors, and cold ischemia time are detrimental to prolonged graft survival. Additional factors that impact adversely on cadaver graft survival are a history of previous transplantation, absence of a DR match, and black ethnic origin of the recipient. An understanding of risk factors to graft survival should enable physicians to optimize cadaver renal transplantation in children.