A team of researchers from DeepMind, the U.S. Veterans Administration and several other institutions in the U.K. and the U.S. has applied artificial intelligence to the problem of detecting acute kidney injury in hospitalized patients. In their paper published in the journal Nature, the group describes their deep learning project and how well it performed.
Acute kidney injury (AKI) is where something happens in the body that leads to deterioration of the kidneys. In severe cases, it can lead to the need for a transplant or death. AKI typically occurs with patients being cared for in a hospital and is usually a sign of a rapid downturn that requires emergency measures by hospital staff to prevent further irreversible kidney damage. In this new effort, the researchers wondered if it might be possible to use AI to detect signs of AKI earlier than normally occurs in a hospital, thus giving patients a much better outcome. To find out, the researchers worked with the VA, which runs multiple hospitals for veteran care across the United States.
The effort involved feeding a deep learning system the health records of 703,782 veterans ranging in age from 18 to 90—all of whom had suffered from some form of AKI. The system used the data from the veterans to detect patterns of small changes in the patients, such as creatinine levels in the blood. The team then reran the data as a way to test their system, to see how well it could predict AKI in the same patients.
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