McNutt et al reported the Bowel Injury Prediction Score (BIPS) for the diagnosis of blunt intestinal trauma. This can help to avoid a delay in diagnosis. The authors are from the University of Texas at Houston.
Patient selection: blunt abdominal trauma
Parameters:
(1) CT grading scale for mesenteric and intestinal injury (from 0 to 5)
(2) reported abdominal tenderness in the Emergency Department
(3) WBC count per µL
A CT grade 5 indicates significant trauma (extravasation of contrast or pneumoperitoneum), which the BIPS unnecessary.
Parameter
Finding
Points
CT grade
0 to 3
0
4
1
abdominal tenderness
no
0
yes
1
WBC count
<= 17,000 per µL
0
> 17,000 per µL
1
total score =
= SUM(points for all 3 parameters)
Interpretation:
• minimum score: 0
• maximum score: 3
• A score of 2 or 3 indicates a high probability of bowel injury, especially if the CT scan shows a bowel or mesenteric abnormality.
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