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Radiology of thoracic trauma
1Brigham and Women's Hospital, Boston, Massachusetts.
Insights
Chest trauma is a leading cause of death in young adults. This review covers chest trauma injuries, diagnostic tools for traumatic aortic rupture, and factors affecting adult respiratory distress syndrome.
Area of Science:
- Trauma surgery
- Thoracic injuries
- Diagnostic imaging
Background:
- Trauma is the primary cause of mortality in individuals under 40.
- Chest trauma encompasses a range of injuries affecting thoracic structures.
- Diagnostic approaches for traumatic aortic rupture are evolving.
Purpose of the Study:
- To review mechanisms, injuries, and complications of blunt and penetrating chest trauma.
- To highlight recent advancements in diagnosing traumatic aortic rupture, particularly in pediatric cases.
- To discuss survival factors in adult respiratory distress syndrome and esophageal trauma.
Main Methods:
- Literature review of chest trauma mechanisms and injuries.
- Analysis of diagnostic modalities for traumatic aortic rupture (radiography, CT, MRI, TEE).
- Review of factors influencing outcomes in adult respiratory distress syndrome and esophageal trauma.
Main Results:
- The costal "hook sign" is a useful indicator for flail chest.
- Traumatic aortic rupture may be more prevalent in pediatric patients than previously thought.
- A new algorithm for diagnosing suspected aortic rupture integrates multiple imaging techniques.
Conclusions:
- Comprehensive understanding of chest trauma is crucial for effective management.
- Advances in imaging are improving the diagnosis of traumatic aortic rupture.
- Further research is needed on pediatric traumatic aortic rupture and ARDS management.
Abstract:
Trauma is the leading cause of death in people less than 40 years of age. Blunt and penetrating chest trauma mechanisms and the resultant injuries and complications are reviewed in respect to the chest wall, pleura, lungs, mediastinum, and diaphragm. Recent literature reviewed includes a useful sign of flail chest, the costal "hook sign." New evidence suggests that traumatic aortic rupture may be more common in the pediatric population than was previously reported. The diagnostic evaluation of traumatic aortic rupture continues to be controversial, with imaging modalities ranging from chest radiographs and angiography to CT, MR imaging, and transesophageal echocardiography. Recent integration of these methods has brought to the literature a newly proposed algorithm for the work-up of suspected aortic rupture. Survival and modifying factors in adult respiratory distress syndrome and a comprehensive review of esophageal disease, including trauma, are also presented.
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