Biopsies of donated kidneys may not be useful for assessing organ quality prior to transplantation

Biopsies of donated kidneys may not be useful for assessing organ quality prior to transplantation

Cardiovascular diseases associated with increased risk of developing kidney failure To determine whether a donated kidney is suitable for transplantation, clinicians often examine biopsy samples from the kidney under a microscope. Prior studies have shown mixed results about whether these findings are actually reliable, however. To look into the issue, a team led by S. Ali Husain, MD, MPH and Sumit Mohan, MD, MPH (Columbia University Irving Medical Center) conducted a study of 606 kidneys that had 2 separate biopsies performed. The researchers found that the results were often quite different between the biopsies, and that only the second biopsies yielded useful information about kidney quality that correlated with how well the organ functioned after transplantation. Kidneys that underwent multiple biopsies were overwhelmingly first biopsied at other organ procurement organizations, whereas almost all of the second biopsies were performed and interpreted at the investigators' local organ procurement organization. These findings suggest that current decision-making about kidney quality may often be based on misleading information, but that standardizing biopsy techniques may result in more helpful biopsies," S. Ali Husain, MD, MPH. Source:



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