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Traumatic aortic transection: evidence for the osseous pinch mechanism
Hossein Javadpour1, John J O'Toole, J Niall McEniff
1Department of Cardiothoracic Surgery, St. James's Hospital, Dublin, Ireland.
The Annals of Thoracic Surgery
|March 20, 2002
Summary
Acute traumatic aortic transection, often from vehicle accidents, may also result from bone-related crush injuries. This case report supports the osseous pinch mechanism as a cause of thoracic aorta injury.
Area of Science:
- Cardiovascular Surgery
- Trauma Surgery
- Anatomic Pathology
Background:
- Acute traumatic transection of the thoracic aorta is a severe injury.
- It is predominantly associated with high-energy vehicular trauma.
- The established mechanism is typically differential deceleration.
Observation:
- A case of thoracic aortic transection occurred following a crush injury.
- This specific injury mechanism was not previously widely recognized for aortic transection.
Findings:
- The reported case supports the osseous pinch mechanism as a cause of aortic transection.
- This mechanism involves direct bony impact leading to aortic injury.
- It presents an alternative to the differential deceleration theory.
Implications:
- Understanding the osseous pinch mechanism can refine trauma assessment protocols.
- This knowledge may improve diagnostic accuracy in crush-related thoracic injuries.
- Further research into non-vehicular causes of aortic transection is warranted.