Logo for: National Kidney Registry

Improving Living Kidney Donation & Transplantation

The National Kidney Registry is dedicated to increasing living kidney donation, ensuring better donor-recipient matches, and providing comprehensive support and protections for living donors.

10,000 NKR-Facilitated Transplants

Kidney Donor Blog

Information for Donors

What is Nutcracker Syndrome?

Sebastian Harris, NKR Marketing Manager

Nutcracker Syndrome is a rare condition that happens when the left renal vein, which carries blood from the heart to the kidney, gets compressed between two arteries. This pressure can slow down blood flow and cause a variety of symptoms.

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Kidney Donor Stories

My Kidney Donation Story: Kelly Haefs

Kelly Haefs

In early December 2021, my good friend and neighbor started dialysis. On December 14, I called his transplant hospital (Froedtert) to find out how I could be his living donor. After a series of tests, I was approved as a donor in April 2022.

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Why Choose an NKR Center

NKR Member Centers agree to an extensive list of guidelines and commitments to provide the highest level of care, protection, and support to living donors and transplant recipients. As of 2024, there are 102 NKR Member Centers spanning 35 states and
the District of Columbia.

Member Centers