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Understanding Kidney Donors’ Increased Kidney Failure Risk

By now, we’ve all seen the studies stating that living kidney donors have an 8-11x increased risk of kidney failure as compared to their well-matched, two-kidneyed cohort. And you’ve probably seen the transplant industry’s spin on that data, their sputtering “Well, but, the *absolute* risk is still really, really low”

But is it?

Steiner attempts to answer that question, at least some of it, by breaking down the overall risk into its important pieces-parts. He says:

 

“The 1% lifetime post-donation risk in the US study requires medical screening to predict ESRD in 96 of 100 candidates. This is particularly unlikely in the 30–35% of candidates under age 35, half of whose lifetime ESRD will occur after age 64. Many experts have attributed the increased relative risks in these studies to loss of GFR at donation, which ultimately means that high–normal pre-donation GFRs will reduce absolute post-donation risks.”

“Young vs. older age, low vs. high–normal pre-donation GFRs, black race, and an increased relative risk of donation all predict highly variable individual risks, not a single “low” or “1%” risk as these studies suggest.”

A uniform, ethically defensible donor selection protocol would accept older donors with many minor medical abnormalities but protect from donation many currently acceptable younger, black, and/or low GFR candidates.

I encourage everyone to read the whole thing. Your health may depend on it.

 

 

Steiner, R. (2016). Moving closer to understanding the risks of living kidney donation Clinical Transplantation, 30 (1), 10-16 DOI: 10.1111/ctr.12652

Permanent link to this article: http://livingdonorsarepeopletoo.com/understanding-kidney-donors-increased-kidney-failure-risk/

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