Abstract
Objectives
To evaluate the performance of an early repeated computed tomography (rCT) in initially non-operated patients with blunt bowel and mesenteric injuries (BBMI).
Methods
This was a monocentric retrospective observational study from 2009 to 2017 of patients with a BBMI on initial CT (iCT). Patients initially non-operated on were scheduled for a rCT within 48 h. Initial CT and rCT diagnostic performance were compared based on a surgical injury prediction score previously described. For statistical analysis, we used the chi-square analyses for paired data (McNemar test).
Results
Eighty-four patients (1.9% of trauma) had suspected BBMI on iCT. Among these patients, 22 (26.2%) were initially operated on, 18 (21.4%) were later operated on, and 44 (52.4%) were not operated on. The therapeutic laparotomy rate was 85%. Thirty-four patients initially non-operated on had a rCT. The absolute value of the CT scan score increased for 15 patients (44.1%). The early rCT diagnostic performance, compared with iCT, showed an increase in sensitivity (from 63.6 to 91.7%), in negative predictive value (from 77.4 to 94.7%), and in AUC (from 0.77 to 0.94).
Conclusion
In initially non-operated patients with BBMI lesions, the performance of an early rCT improved the sensitivity of lesion detection requiring surgical repair and the security of patient selection for non-operative treatment.
Key Points
• Selective non-operative treatment for hemodynamically stable patients with blunt bowel and/or mesenteric injuries on CT is developing but remains controversial.
• An early repeated CT improved the sensitivity of lesion detection requiring surgical repair and the security of patient selection for conservative treatment.
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Abbreviations
- −LR:
-
Negative likelihood ratio
- +LH:
-
Positive likelihood ratio
- AIS:
-
Abbreviated injury scale
- AUC:
-
Area under the curve
- BBMI:
-
Blunt bowel and/or mesenteric injury
- BIPS:
-
Bowel injury prediction score
- FOV:
-
Field of view
- iCT:
-
Initial computed tomography
- IQR:
-
Interquartile range
- ISS:
-
Injury severity score
- NPV:
-
Negative predictive value
- PPV:
-
Positive predictive value
- rCT:
-
Early repeated computed tomography
- ROC:
-
Receiver operating characteristic
- Se:
-
Sensibility
- Sp:
-
Specificity
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One of the authors (Laurent Boyer; Aix-Marseille University, Marseille, France; Public Health and Chronic Disease Research Unit, APHM, CHU Timone, Marseille, France) carried out the statistics of this study.
We used computer software (IBM SPSS Statistics, Version 20, USA and XLStat-Premium v.2018.3) to do the statistics.
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Lannes, F., Scemama, U., Maignan, A. et al. Value of early repeated abdominal CT in selective non-operative management for blunt bowel and mesenteric injury. Eur Radiol 29, 5932–5940 (2019). https://doi.org/10.1007/s00330-019-06212-w
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DOI: https://doi.org/10.1007/s00330-019-06212-w