Thoracic Endovascular Aortic Repair for Acute Aortic Dissection

Area of Science:

• Cardiovascular Surgery
• Endovascular Interventions
• Aortic Diseases

Background:

• Thoracic endovascular aortic repair (TEVAR) is transforming thoracic aortic disease treatment, including aortic dissection and aneurysms.
• Traditionally, Stanford type B acute aortic dissection is managed medically, but TEVAR offers a less-invasive option for complicated cases.

Purpose of the Study:

• To review the evolving role and efficacy of TEVAR in managing various forms of thoracic aortic dissection.
• To assess TEVAR's effectiveness in promoting false lumen thrombosis and preventing aortic enlargement.
• To discuss the current status and future directions of TEVAR for acute aortic dissection.

Main Methods:

• Review of current literature and clinical practices regarding TEVAR for thoracic aortic dissection.
• Analysis of TEVAR's outcomes in complicated versus uncomplicated type B aortic dissection.
• Evaluation of TEVAR's application in type A aortic dissection as a rescue therapy.

Main Results:

• TEVAR demonstrates better early results than conventional therapy for complicated type B aortic dissection.
• TEVAR promotes false lumen thrombosis and prevents aortic enlargement in the long term.
• Open surgery remains the gold standard for type A aortic dissection, with TEVAR used as a rescue option.

Conclusions:

• TEVAR is established as first-line therapy for complicated type B aortic dissection.
• Prophylactic TEVAR for uncomplicated type B aortic dissection requires more supportive evidence.
• Technological advancements are expected to drive future innovations in endovascular treatment for acute aortic dissection.