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Iodinated Contrast and Nephropathy: Does It Exist and What Is the Actual Evidence?
Robert J McDonald1, Jennifer S McDonald1
1Department of Radiology, Mayo Clinic, Rochester, MN, USA.
Abstract:
Iodinated contrast material (ICM) is a critical component for many radiologic examinations and procedures. However, ICM has often been withheld in the past out of concern for its potential nephrotoxicity and increased risk of morbidity and mortality, often at the expense of diagnostic accuracy and timely diagnosis. Evidence from controlled studies now suggest that most cases of acute kidney injury (AKI) caused by ICM were instead due to contrast-independent causes of AKI or normal variation in renal function. This study will discuss current knowledge of contrast-induced AKI, including the incidence, sequelae, risk factors, and prevention strategies of this potential complication.
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