Acute kidney injury (AKI) is a frequent and potentially fatal complication of snakebites. In the setting of snakebites, endothelial biomarkers may be used to predict disease severity and can play a major role in AKI pathophysiology. The aim of this study was to investigate the potential role of endothelial biomarkers in predicting AKI in Bothrops envenoming. Therefore, blood and urine samples were collected from 26 patients admitted to the emergency department after Bothrops envenoming at 3 different post-bite points in time: on admission (up to 8 h post-bite), 12-16 h, and 24-28 h post-bite, to investigate the time course of endothelial biomarkers in AKI following Bothrops snakebites. The diagnostic performance of injury biomarkers in Bothrops envenomation was evaluated. AKI was diagnosed using the Kidney Disease Improving Global Outcomes (KDIGO) criteria. There was an association between endothelial injury and increased risk for AKI in bothropic envenoming. Angiopoietin- 1 (Ang-1) and Vascular cell adhesion protein-1 (VCAM-1) were useful biomarkers to predict mild AKI [AUC-ROC: Ang-1 0.82, VCAM-1 0.76] within the interval of 8-16 h post Bothrops snakebites. The use of endothelial biomarkers VCAM-1 e Ang-1 within 12-16 h post-bite may be useful in the early stage of mild AKI related to Bothrops envenoming and might have an effect on the early intervention for renal protection in less severe Bothrops-related AKI.
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