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Endovascular Treatment Options for Chronic Dissections

Gregory Estrera1, Sukgu Han2

  • 1Department of Cardiothoracic and Vascular Surgery, Cardiothoracic Surgery Section, McGovern School of Medicine, University of Texas, Houston, TX, USA.

Cardiology Clinics
|April 23, 2025
PubMed

Insights

Chronic aortic dissections pose risks like expansion and death. Thoracic endovascular aortic repair (TEVAR) techniques aim to improve outcomes by closing the false lumen, though benefits in chronic cases are still explored.

Area of Science:

  • Cardiovascular Surgery
  • Vascular Biology
  • Medical Devices

Background:

  • Aortic dissections are classified by entry tear location.
  • Aneurysmal degeneration is a significant concern in chronic aortic dissections, potentially leading to aortic expansion and mortality.
  • False lumen patency is a key predictor of outcomes in type B aortic dissections.

Purpose of the Study:

  • To review Thoracic Endovascular Aortic Repair (TEVAR) techniques for chronic aortic dissections.
  • To evaluate the efficacy of TEVAR in promoting false lumen thrombosis and aortic remodeling in chronic dissections.
  • To discuss the limitations and advancements in TEVAR for managing chronic aortic dissections.

Main Methods:

  • Review of existing literature on TEVAR for chronic aortic dissections.
  • Analysis of techniques aimed at occluding the false lumen.
  • Evaluation of outcomes related to false lumen patency and aortic remodeling post-TEVAR.

Main Results:

  • TEVAR aims to occlude the false lumen to encourage thrombosis and favorable aortic remodeling.
  • The benefits of TEVAR in chronic dissection may be limited compared to acute cases.
  • Various techniques have been developed to adapt TEVAR for chronic dissection management.

Conclusions:

  • TEVAR is a therapeutic option for chronic aortic dissections.
  • Optimizing TEVAR techniques is crucial for improving outcomes in chronic aortic dissections.
  • Further research is needed to fully elucidate the long-term benefits of TEVAR in chronic aortic dissection management.

Keywords:
Chronic thoracoabdominal aortic dissectionFenestrated branched endovascular repair of chronic dissectionsPostdissection thoracoabdominal aortic aneurysm

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