Guideline document
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Blunt Abdominal Trauma Guideline (Cincinnati Children's)
Topic overview
Clinical prediction rule derived from 2,188 pediatric patients to identify children at very low risk for intra-abdominal injury after blunt abdominal trauma. Uses five clinical variables (AST, abdominal exam, chest x-ray, abdominal pain, pancreatic enzymes) to safely avoid CT imaging in 34% of patients with 99.4% negative predictive value.
Key Takeaways
- A 5-variable prediction rule (AST >200, abnormal exam, abnormal CXR, abdominal pain, abnormal pancreatic enzymes) identifies very low-risk patients.
- Children with none of the 5 variables have 99.4% NPV for IAI and 100% NPV for IAI requiring intervention—CT can be safely avoided.
- The rule applies to 34% of pediatric blunt abdominal trauma patients, potentially reducing unnecessary radiation exposure.
- Multi-center study of 2,188 children found 11.9% IAI rate and 2.8% rate of injury requiring acute intervention.
- CT use varied widely (4-96%) across centers, suggesting opportunity for standardized risk stratification to reduce overuse.
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How to cite: GlobalCastMD. Blunt Abdominal Trauma Guideline (Cincinnati Children's). GlobalCastMD Medical Library. https://library.globalcastmd.com/guideline/1853
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