Acute kidney injury (AKI) and chronic kidney disease (CKD) are closely intertwined, with each disease a risk factor for developing the other and sharing other risk factors in common, as well as sharing causes for the diseases to get worse, and outcomes, suggests a comprehensive analysis by scientists at the National Institutes of Health and George Washington University Medical Center, Washington, D.C. Findings were published July 3 in the New England Journal of Medicine External Web Site Policy.