ArticleCureus2025
How Does Contrast Administration Influence Creatinine Dynamics in Trauma Patients With Acute Kidney Injury?
Article in Cureus, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Authors and funding
5 authors.
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Abstract
Background Acute kidney injury (AKI) is a serious complication frequently encountered among trauma patients, with incidence rates varying significantly depending on injury severity and diagnostic interventions such as contrast-enhanced imaging. Serum creatinine (Cr) is commonly used to assess renal function; however, its variability following contrast administration and the implications for clinical outcomes in trauma-related AKI remain poorly defined. This study aimed to evaluate the variability of Cr changes from admission to AKI diagnosis following contrast-enhanced CT and their relationship with clinical outcomes such as hospital length of stay (LoS), dialysis requirements, and mortality in trauma patients. Methods A retrospective analysis was conducted on adult trauma patients admitted to a Level 1 trauma center who developed AKI after receiving intravenous iodinated contrast during CT scans within 24 hours of admission. Patients with end-stage renal disease (ESRD), advanced chronic kidney disease, pre-admission dialysis, or incomplete baseline Cr data were excluded. Cr changes were calculated from admission to AKI diagnosis. Associations between Cr changes and clinical outcomes, including LoS, dialysis requirements, and mortality, were assessed using statistical methods. Results Cr changes showed significant variability, ranging from -1.6 mg/dL to 5.7 mg/dL. However, no statistically significant association was found between contrast-induced Cr changes and hospital LoS, dialysis requirements, or mortality (p > 0.05). These results suggest that Cr fluctuations following contrast administration alone do not reliably predict clinical outcomes. Conclusion While Cr changes remain useful for assessing kidney function following trauma and contrast administration, this measure alone has limited predictive value for clinical outcomes in trauma-induced AKI. A more comprehensive approach, incorporating additional clinical factors and novel biomarkers, is necessary for accurate risk stratification and effective management. Future studies should explore integrated assessment tools to improve early detection and personalized management of AKI in trauma patients exposed to contrast-enhanced imaging.
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