Why So Many Kidneys Are Discarded: An Analysis of 36,700 Discards

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Discarded and transplanted deceased-donor kidneys overlap considerably in quality, with many potentially transplantable organs being discarded, suggests a study in Kidney International.

Using the Scientific Registry of Transplant Recipients, the researchers identified 212,305 deceased-donor kidneys recovered for transplantation between 2000 and 2015. Of these, 36,700 kidneys were discarded: a rate of 36.7%. Reasons for organ discard were analyzed, along with associated donor- and organ-related factors. The quality of transplanted and discarded organs was compared using the Kidney Donor Risk Index and the Kidney Donor Profile Index.

Three-fourths of discarded kidneys were bilateral discards. The most common reason for