A Life-threatening Condition with Poor Clinical Outcomes
Aortic dissection is a tear in the inner layer of the aortic wall that creates a new channel for blood flow. As blood flows through this ‘false lumen’, normal blood flow to other parts of the body will slow or stop. Aortic dissection can be life-threatening if not identified and treated quickly.
There are two types of aortic dissection
Type A, the more common form of aortic dissection, involves the ascending aorta and may progress to the thoracoabdominal aorta. Type A dissections are a life-threatening condition which may cause the aorta to rupture,
Type B dissections are classified as hyperacute, acute, subacute, and chronic when relating to the time since onset of symptoms. Type B dissections are also classified according to their acuity as complicated, high-risk, or uncomplicated dissections.3 Complicated dissections are associated with rupture or reduced blood flow to vital organs, while patients with high-risk dissection present different clinical or imaging symptoms putting them at high-risk of early or late complications. Evidence accumulates that such patients require immediate intervention via open or endovascular surgery.
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