Kidney Exchange

Matching that saves lives

An interactive lesson with 6 steps, about 5 minutes: you predict, drag and solve, with instant feedback on every answer. It runs in your browser and needs JavaScript.

What you’ll learn

• Incompatible donor–patient pairs can swap in cycles of 2 or 3.
• Choosing which cycles to run is an optimisation problem.
• Chains started by altruistic donors can produce many transplants.

Steps

1. Swapping donors
2. Plan the exchanges
3. Simultaneous surgery
4. Chains
5. Possible swaps
6. One gift, many lives