BayCare Health System
To determine the clinical utility of serum cystatin C in early detection of acute kidney injury (AKI).
The primary objective of this study is to evaluate the clinical utility of Cystatin C in early detection of contrast-induced AKI. To evaluate the effect of patient characteristics in the Cystatin C based GFR estimation in comparison to Cr based estimation.
Inclusion Criteria: * Subjects ages 18 years and above * Inpatients with CKD (Figure 1) * Order for CT imaging study or coronary angiography with isohexol Omnipaque) contrast media. * Pre and post contrast available * All races and ethnicity of patients are eligible. We expect to analyze approximately equal number of men and women in this study. Exclusion Criteria: * Preexisting dialysis * Patients under the age of 18 years * Pregnancy * Incarcerated individuals * Patients with impaired cognition and unable to follow consent procedures * Recent exposure to CM (within 2 days before/after pro…
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