Deciding eligibility for transplantation when a donor kidney becomes available

Area of Science:

• Nephrology
• Transplantation Medicine
• Decision Science

Background:

• Low expected transplant success can exclude patients from kidney transplantation.
• Determining the minimum success threshold for transplant eligibility is critical.
• Balancing waiting time against graft failure risk is essential for patient care.

Purpose of the Study:

• To develop a decision model for determining minimum eligibility criteria for kidney transplantation.
• To maximize patient quality-adjusted life expectancy by optimizing transplant success thresholds.
• To identify patient-specific factors influencing the minimum predicted one-year graft survival rate.

Main Methods:

• A decision model was developed to calculate the minimum predicted one-year graft survival rate.
• The model considers patient health, demographics, and quality of life preferences.
• Optimization aimed to maximize quality-adjusted life expectancy.

Main Results:

• The model determines a minimum predicted one-year graft survival rate for transplant eligibility.
• This rate is individualized based on patient characteristics and quality of life valuations.
• Implementing the model showed potential increases in graft survival rates (up to 6.7%) and quality-adjusted life expectancy (1.6 months).

Conclusions:

• The decision model provides a framework for optimizing kidney transplant eligibility criteria.
• Individualized thresholds can improve graft survival and patient quality-adjusted life expectancy.
• The model suggests significant benefits with minimal increase in waiting time.