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Living Donor Research Living Donor Risks Living Kidney Donor

Male and BMI higher risk 5 years post-donation

A single center analysis of 77 living kidney donors 5 or more year post-donation has found that men and those with high BMI are at higher risk of low GFR (kidney function < 60), hypertension, and proteinuria; all symptoms of eventual kidney failure.

Unfortunately, I couldn’t access the complete article, so I don’t know if there’s a correlation between pre-donation levels and this post-donation result. However, it’s been previously established that folks with high BMI may already be hyperfiltrating pre-donation, which means their capacity for “compensation” post-donation is already maximized. So, this result just adds to that literature.
Bello, R., Bello, V., Rosa, T., Junqueira, L., Freitas, E., & Veiga, J. (2015). Male Gender and Body Mass Index Are Associated With Hypertension and Reduced Kidney Function 5 or More Years After Living Kidney Donation Transplantation Proceedings, 47 (10), 2816-2821 DOI: 10.1016/j.transproceed.2015.10.041

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Living Donor Misinformation Living Donor Protections Living Donor Risks Living Kidney Donor

Proteinuria in living kidney donors

While this letter to the editor is from an Iranian transplant surgeon, therefore his prime intent is to defend Iran’s legalized kidney market (which is indefensible, imo), he makes some interesting statements about proteinuria in living kidney donors:

It is of interest that Gordon and Gill [1] explained some causes of microalbuminuria in living donors after nephrectomy such as inadequate pretransplant evaluation and conditions related to the poverty of unrelated donors. However, most reported data suggest that proteinuria increased in the living kidney donor population, and the prevalence of microalbuminuria in living donors varied from 11.5% to 34% in different studies [3, 4]. In addition, a study showed that 56% of 152 donors developed mild proteinuria (>150?mg/day) [5]. One meta-analysis demonstrated that the average proteinuria was 154?mg/day and concluded that kidney donation results in small increases in urinary protein [6]. The suggested causes of proteinuria postnephrectomy were subclinical hyperfiltration damage of the glomeruli, hypertension and a lower glomerular filtration rate.

Finally, it is generally accepted that all kidney donors should be screened for microalbuminuria at 2- to 3-year intervals postkidney donation because albuminuria has been illustrated as an appropriate indicator of kidney damage in the context of nephrectomy.

Notice the “generally accepted” part – accepted by whom? OPTN policies don’t reflect this, and neither does the official position of the US transplant industry. If proteinuria (and albuminuria is a protein), which is indicative of renal damage, is GENERALLY ACCEPTED by the medical literature and therefore, medical community, why aren’t prospective living donors informed as a matter of course?