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Computed tomography of thoracic aortic trauma
J F Biquet1, R F Dondelinger, D Roland
1Department of Medical Imaging, University Hospital Sart Tilman, Liege, Belgium.
European Radiology
|January 1, 1996
Summary
Computed tomography (CT) accurately detects thoracic aortic injuries, reducing the need for angiography. This imaging technique is highly sensitive and specific for diagnosing traumatic aortic damage.
Area of Science:
- Radiology
- Trauma Imaging
- Cardiovascular Imaging
Background:
- Traumatic injuries to the thoracic aorta are a significant cause of mortality.
- Accurate and timely diagnosis is crucial for effective patient management.
- Computed tomography (CT) is increasingly used for evaluating blunt chest trauma.
Purpose of the Study:
- To evaluate the diagnostic performance of CT in detecting thoracic aortic injuries.
- To determine the sensitivity and specificity of CT compared to angiography and surgery.
- To assess the impact of CT on the need for further invasive diagnostic procedures.
Main Methods:
- A review of 28 consecutive patients with suspected thoracic aortic injury over 63 months.
- All patients underwent computed tomography (CT) examination.
- Diagnosis was confirmed by angiography and/or surgery in a subset of patients.
Main Results:
- CT identified 12 aortic ruptures and other injuries like pseudoaneurysm and mediastinal hematoma in 12 patients.
- CT demonstrated a sensitivity of 92% and a specificity of 100% for detecting thoracic aortic injuries.
- The need for angiography was eliminated in 67% of the evaluated patients.
Conclusions:
- Computed tomography (CT) is a highly accurate imaging modality for diagnosing thoracic aortic injuries.
- CT can significantly reduce the requirement for conventional angiography in trauma patients.
- Experienced radiologists should interpret CT scans for thoracic aortic injuries, especially in trauma settings.