A kidney transplant is a surgery to replace a diseased or damaged kidney with a donor kidney. The donor may be a relative or friend. The donor can also be someone who has died and donated the organs.

Anatomy of the Kidney
Nucleus factsheet image
Copyright © Nucleus Medical Media, Inc.

A kidney transplant is done to replace a kidney that is no longer working and cannot be fixed. It may also be done if the kidney has been removed (eg, as cancer treatment). A kidney transplant is only needed if both kidneys are not working. Kidneys fail due to:

More than 90% of transplanted kidneys from deceased donors remain working after one year. The success rate is higher with a kidney from a living donor.