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Are We Missing Traumatic Bowel and Mesenteric Injuries?

Bret A Landry1, Michael N Patlas1, Samir Faidi2

  • 1Division of Emergency/Trauma Radiology, Department of Radiology, Michael DeGroote School of Medicine, McMaster University, Hamilton, Ontario, Canada.

Canadian Association of Radiologists Journal = Journal L'Association Canadienne Des Radiologistes
|June 9, 2016
PubMed
Summary
This summary is machine-generated.

Diagnosing traumatic bowel and mesenteric injury (TBMI) with 64-slice MDCT is challenging, especially for blunt trauma cases where indirect signs are often missed. Improving detection requires greater awareness of subtle imaging findings in trauma patients.

Keywords:
Bowel injuryMesenteric injuryMultidetector computed tomographyTrauma

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Area of Science:

  • Radiology
  • Trauma Surgery
  • Diagnostic Imaging

Background:

  • Traumatic bowel and mesenteric injury (TBMI) is a rare but potentially fatal condition requiring prompt diagnosis.
  • Early detection of TBMI is crucial for timely intervention and improved patient outcomes.
  • 64-slice multidetector computed tomography (MDCT) is a key imaging modality in trauma assessment.

Purpose of the Study:

  • To evaluate the diagnostic accuracy of 64-slice MDCT for detecting TBMI.
  • To assess the performance of prospective radiology reports in identifying TBMI in trauma patients.
  • To identify challenges and areas for improvement in CT-based TBMI diagnosis.

Main Methods:

  • Retrospective review of trauma registry data from January 2006 to June 2013.
  • Inclusion of patients with surgically confirmed TBMI who underwent 64-slice MDCT prior to laparotomy/laparoscopy.
  • Analysis of prospective radiology reports against surgical findings as the gold standard.

Main Results:

  • Out of 4781 trauma patients, 44 (0.92%) had surgically proven TBMI; 22 were included in the study.
  • The overall accuracy of 64-slice MDCT for TBMI detection was 75.3% (Sensitivity: 63.6%, Specificity: 79.6%).
  • Diagnosis was particularly challenging in blunt trauma, with only 59% correct preoperative diagnoses, often due to reliance on indirect signs.

Conclusions:

  • The diagnostic accuracy of 64-slice MDCT for TBMI can be enhanced, particularly in blunt trauma cases.
  • Missed diagnoses in blunt TBMI often stem from overlooking indirect imaging signs.
  • Despite technological advancements, prospective diagnosis of TBMI remains a significant challenge in trauma imaging.