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Study finds new acute kidney injury biomarkers

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Mayo clinic researchers have identified two biomarkers of acute kidney injury that can be easily measured in urine and detect affected patients roughly 12 to 36 hours earlier than current tests, according to a study published in the journal Critical Care. The study's findings give physicians a tool to determine early on whether a patient is at risk, according to the Mayo Clinic.

Researchers evaluated nearly 340 biomarkers to find the two with the highest correlation to kidney injury risk. The markers, Insulin Growth Factor Binding Protein-7 (IGFBP-7) and Tissue Inhibitor of Metalloproteinases-2 (TIMP-2), were later validated by another multicenter study known as the Sapphire Trial.