• Yunseo Lee, Inpyeong Hwang, Yeon Jin Cho, Seung Seok Han, and Soon Ho Yoon.
• Department of Radiology, Seoul National University Hospital, Seoul National University College of Medicine, Seoul, Korea.
• J. Korean Med. Sci. 2024 Oct 7; 39 (38): e298e298.

AbstractIntravascular administration of iodinated contrast media can cause contrast-induced acute kidney injury, especially in patients with an estimated glomerular filtration rate (eGFR) less than 30 mL/min/1.73 m². The American College of Radiology (ACR) and the European Society of Urogenital Radiology (ESUR) guidelines recommend renal function screening based on medical history, but their effectiveness has been under-evaluated. This retrospective study included 2,560 consecutive adult outpatients without eGFR measurements within 180 days before contrast-enhanced computed tomography (CT) at a single tertiary hospital from July through September 2023. On the day of CT, they underwent eGFR tests and 1.1% had an eGFR < 30 mL/min/1.73 m², preferentially with histories of gout and renal disease. According to the ACR and ESUR strategies, 16.9% and 38.8% of all study participants were positive, respectively, identifying 92.6% and 96.3% of patients with renal insufficiency. Both strategies demonstrated high negative predictive values. These results support selective renal function screening before contrast-enhanced examinations.© 2024 The Korean Academy of Medical Sciences.

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