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Article Type

Original Study

Abstract

Objective The aim of this study was to evaluate the role of kidney injury molecule-1 (KIM-1) as an early marker for acute kidney injury (AKI) in critically ill patients as compared with conventional markers (e.g. serum creatinine). Background Depending on traditional markers for renal functions, namely, blood urea and serum creatinine, has led to unacceptable delay in the diagnosis of AKI and in initiating treatment. Materials and methods This study included 89 individuals: 79 critically ill patients and 10 healthy individuals who served as controls. All patients were prospectively followed up from the time of ICU admission. Blood and urine samples were collected simultaneously at predetermined time points: at the time of ICU admission, 6 h after arriving, 12 h after arriving, and daily thereafter for a minimum of the next 2 days and a maximum of 5 days. Results KIM-1 can detect AKI as early as 6 h from its occurrence and before the elevation of conventional markers. KIM-1 is (unlike conventional markers) not influenced by age, sex, and BMI. Conclusion KIM-1 is a reliable indicator for early detection of AKI in critically ill patients.

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