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Why long-term kidney function matters after transplant
While both dialysis and transplantation are important treatments for kidney failure, transplant recipients often report a better quality of life than those receiving dialysis. However, not all transplanted kidneys continue to function well over time. New research suggests that the benefits patients experience after transplantation may be closely linked to how well the transplanted kidney functions long term.
Researchers from the University of Toronto surveyed 647 adults receiving dialysis or who had received a kidney transplant. They measured participants’ self-reported physical and mental well-being and compared quality of life scores between treatment groups, as well as among transplant recipients with different levels of kidney function.
The study found that most kidney transplant recipients reported better physical and mental health than people receiving dialysis. However, transplant recipients with severely reduced kidney function, equivalent to stage 4 or 5 chronic kidney disease, reported a quality of life similar to that of patients receiving dialysis.
The researchers also found that as kidney function declined, quality of life declined rapidly.
Overall, these findings highlight that the benefits of a kidney transplant depend not only on receiving a transplant, but also on maintaining good kidney function afterward. The study also showed that the quality of life reported by transplant recipients with reduced kidney function is similar to that of dialysis patients who have not yet received a transplant. This suggests that the physical and mental health benefits often associated with transplantation may diminish over time if the transplanted kidney begins to fail.
Reflecting on these findings, the researchers underscore the importance of preserving kidney function after transplant through regular monitoring, ongoing follow-up care, and early treatment of complications. Future research aimed at identifying better ways to preserve transplant function could help more recipients maintain the benefits of transplantation and live longer, healthier lives.
This research was supported in part by The Kidney Foundation of Canada.
