Kidney Transplant Chains More Successful in Saving Lives

by Thilaka Ravi on  August 10, 2018 at 10:17 PM Organ Donation News
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Transplant societies which put kidney transplant chains first and kidney exchanges next, can increase the total number of transplants, thereby saving more lives finds new research from the UBC Sauder School of Business.
Kidney Transplant Chains More Successful in Saving Lives
Kidney Transplant Chains More Successful in Saving Lives

Typically, kidney donations are allocated in a kidney exchange, where pools of patients are each paired with a loved one willing to donate. When a pair is incompatible because of differences in blood type or other tissue sensitivities, donors within the exchange are swapped among incompatible pairs to allow for more transplants. But, when an altruistic donor - meaning someone willing to donate his or her kidney to anyone in need - enters the kidney exchange, the number of potential transplants increases dramatically.

The study is the first to determine the minimum and maximum number of transplants that can be expected in a kidney transplant chain for small- and medium-sized exchanges, which are common in medical practice.

"We know through previous studies that kidney transplant chains are incredibly important, but our research has found that adding just one altruistic donor to a kidney exchange - thereby creating a chain - can lead to substantially more kidney transplants," explains lead author Yichuan Ding, assistant professor at the UBC Sauder School of Business. "Our findings will greatly benefit patients, especially those who are hard-to-match."

Allocating donated kidneys to deserving patients with end-stage renal disease is an important challenge in today's health care system. According to the Canadian Institute for Health Information, in 2015 there were 2,858 patients waiting for a kidney transplant, with 604 kidneys originating from deceased donors and living donors providing 383.

"Right now, the longest kidney transplant chain in the world has completed 88 transplants since 2013, with additional surgeries still scheduled," Ding says. "We believe our algorithm could be incorporated into current medical decision-making tools to extend this chain even longer, further improving accuracy and speed of matching."

Source: Eurekalert

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