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Management of Acute, Uncomplicated Type B Aortic Dissection
Margaret C Tracci1, W Darrin Clouse1
1Division of Vascular and Endovascular Surgery, Department of Surgery, University of Virginia Health System, Charlottesville, VA.
Techniques in Vascular and Interventional Radiology
|October 4, 2021
Summary
Thoracic endovascular aortic repair (TEVAR) is increasingly used for acute, uncomplicated type B aortic dissection (TBAD), offering improved outcomes. Early intervention with TEVAR shows promise for high-risk patients, shifting treatment paradigms.
Area of Science:
- Cardiovascular Surgery
- Vascular Endovascular Therapy
- Aortic Disease Management
Background:
- Traditional management for acute, uncomplicated type B aortic dissection (TBAD) relies on medical therapy, yet often results in long-term aortic degeneration and poor outcomes.
- The natural history of TBAD involves significant morbidity and mortality, necessitating exploration of alternative treatment strategies.
- Endovascular repair, specifically thoracic endovascular aortic repair (TEVAR), has revolutionized the treatment of complicated TBAD.
Purpose of the Study:
- To review current evidence on the efficacy of TEVAR for acute, uncomplicated type B aortic dissection (TBAD).
- To discuss the evolving role of TEVAR in managing uncomplicated TBAD, particularly in high-risk patient subsets.
- To provide an overview of FDA-approved thoracic endograft platforms and procedural considerations.
Main Methods:
- Literature review of existing studies on TEVAR for acute, uncomplicated type B aortic dissection (TBAD).
- Analysis of data regarding aortic remodeling and survival rates following early TEVAR.
- Description of current FDA-approved thoracic endograft systems and surgical techniques.
Main Results:
- Accumulating data suggest favorable aortic remodeling and survival outcomes with early TEVAR in uncomplicated TBAD.
- TEVAR is particularly beneficial for patients with specific features indicating a higher risk of medical therapy failure.
- The article details procedural aspects, including case planning, execution, and management of potential complications.
Conclusions:
- TEVAR is emerging as a viable and effective treatment option for acute, uncomplicated type B aortic dissection (TBAD), challenging traditional medical management.
- Early consideration of TEVAR for select high-risk patients with uncomplicated TBAD is supported by growing evidence.
- Technological advancements and procedural refinement are enhancing the safety and efficacy of TEVAR for TBAD.
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