J Trauma
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Microscopic hematuria is an extremely important sign in blunt abdominal trauma (BAT) patients. Controversies still exist in the literature on whether microscopic hematuria is a sign of intra-abdominal extrarenal organ injury and is an indication for radiographic assessment of BAT patients. In this study, a new BAT rat model was developed, and we tried to determine the relationships between microscopic hematuria and extrarenal intra-abdominal organ injury. ⋯ Microscopic hematuria could serve as a predictor of the severity of trauma and intra-abdominal organ injury. This study would support the use of abdominal imaging and attentive assessment for intra-abdominal organ injury in stable BAT patients with hematuria. The laparotomy threshold may be lowered for unstable BAT patients with hematuria.