Categories of living donor transplants

What are the various categories of living donor transplants?

• Related donors: Donor and recipient are biologically related.

• Unrelated donors: Donor is not biologically related, but an emotional relationship exists between the donor and recipient (e.g., coworker, classmate, friend).

• Directed anonymous donors: Donor has no relationship to the recipient; the donor learned of the recipient’s situation and decided to donate altruistically.

• Undirected anonymous donors: Donor decides to donate his or her kidney to the waiting list.

• Paired exchange donors: A pair of donor–recipient candidates (from the related or unrelated categories) enters into a scheme in which the donor is exchanged with another donor–recipient candidate pair so as to achieve donor–recipient biologic compatibility of the ABO blood group system and/or negative cross-match reactivity.

• Multiple paired exchange donors: A paired exchange donation that involves more than two donor–recipient candidate pairs.

What is the present system that classifies donors into different categories?

The Kidney Donor Profile Index is now used to divide up the donor pool. This replaced the old terms Standard and Extended Criteria Donor kidneys.

What percentage of living donor kidneys survive for 10 years?

About 60%.

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