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Traumatic rupture of the thoracic aorta
J P Weiss1, M Feld, S J Sclafani
1Department of Radiology, State University of New York Health Science Center, Brooklyn.
Emergency Medicine Clinics of North America
|November 1, 1991
Summary
Diagnosing traumatic aortic rupture requires high clinical suspicion. Direct transfemoral arteriography is preferred for stable patients when chest X-rays show mediastinal widening or aortic obscuration.
Area of Science:
- Cardiovascular Surgery
- Diagnostic Imaging
- Trauma Care
Background:
- Traumatic rupture of the aorta (TRA) is a potentially fatal injury.
- Early diagnosis is critical for patient survival.
- Clinical presentation of TRA can be subtle, delaying diagnosis.
Purpose of the Study:
- To emphasize the importance of clinical suspicion in diagnosing traumatic rupture of the aorta.
- To outline the recommended diagnostic imaging modality for hemodynamically stabilized patients with suspected TRA.
Main Methods:
- Review of diagnostic criteria for traumatic rupture of the aorta.
- Evaluation of imaging modalities including chest radiography, computed tomography, and transfemoral arteriography.
- Focus on findings suggestive of TRA on chest radiography.
Main Results:
- Chest radiography findings such as mediastinal widening (>8 cm) or obscured aortic arch/descending aorta suggest TRA.
- Direct transfemoral arteriography is the gold standard for diagnosis in hemodynamically stabilized patients.
- Computed tomography is currently not recommended as a definitive diagnostic tool for TRA.
Conclusions:
- A high index of clinical suspicion is paramount for prompt diagnosis of traumatic aortic rupture.
- Transfemoral arteriography is the definitive diagnostic procedure for hemodynamically stable patients with suspected TRA.
- Current guidelines do not support computed tomography as a primary diagnostic method for TRA.