Why Preemptive Kidney Transplantation Is Especially Important for Children
When a child develops kidney failure, treatment decisions must take into account not only their immediate health but also their long-term growth, development, and quality of life.
One of the most important decisions families and care teams must make is whether a child can receive a preemptive kidney transplant.
What Is a Preemptive Kidney Transplant?
A preemptive kidney transplant is a transplant that occurs before dialysis becomes necessary. This approach is considered the treatment of choice when feasible.
For children, avoiding or minimizing time on dialysis can make a significant difference in physical, emotional, and developmental outcomes.
Why Avoiding Dialysis Matters for Children
Dialysis can be a lifesaving option when the kidneys can no longer function properly. It is often a challenging experience, but it can be especially difficult for children and adolescents.
Children on dialysis must spend many hours each week receiving treatment or recovering from it. Unlike adults, children are still growing physically, cognitively, and emotionally, and time spent on dialysis can delay or disrupt this growth and interrupt normal childhood experiences.
In children, long periods on dialysis may affect:
- Growth and height development
- Bone health
- School attendance and academic progress
- Energy levels and physical activity
- Emotional well-being and social development
- Family routines and caregiver stress
Advantages of a Preemptive Transplant
A preemptive transplant can help children maintain a more typical daily life and reduce many of these burdens, offering:
- Better Outcomes: Research has shown that avoiding dialysis before transplant can lead to better outcomes for pediatric patients. A 2022 systematic review found that children who received preemptive kidney transplants had a 43% lower risk of graft loss and a 19% lower risk of acute rejection compared to children who received dialysis before transplant.
- Lower Risk of Death: A large U.S. study found that children who underwent dialysis before transplantation had a 69% higher risk of death than those who received a preemptive transplant. Children on dialysis longer than 18 months had an 89% higher risk.
- Healthier Growth and Development: Because the kidneys help regulate hormones, nutrition, bone development, and overall growth, kidney disease can affect a child’s growth and puberty. Children who avoid dialysis often experience better growth, energy levels, and overall development after transplant.
- Improved Long-Term Health: Preemptive transplantation is associated with better long-term outcomes for many pediatric patients, including better overall health outcomes, reduced exposure to cardiovascular risks associated with prolonged dialysis, and improved quality of life.
The Importance of Living Donors
Many preemptive kidney transplants, especially in children, are made possible through living donation. A living donor transplant can often be scheduled to take place before kidney failure becomes severe enough to require dialysis.
Living donor kidneys also tend to function sooner and last longer than deceased donor kidneys, meaning the child will likely have more years of healthy kidney function.
For pediatric kidney transplants with living donors, the donor is very often a family member. However, although family members are often a good match, this is not always the case.
When a family member is willing and eligible to donate but is not a good match for the pediatric patient, the National Kidney Registry’s Voucher Program allows them to donate to another recipient on the waitlist and generate a voucher for the patient. The pediatric patient can then redeem this voucher to receive a well-matched living donor kidney.
Early Planning Is Critical
Early referral to a pediatric transplant center can help families understand their options sooner. The earlier transplant planning begins, the greater the chance that a child may be able to avoid dialysis altogether.
However, not every child is eligible for a preemptive transplant, and timing depends on many medical factors. Because every child’s medical needs are unique, treatment decisions should be individualized in close partnership with the transplant team.
