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Related Experiment Video

Updated: Mar 18, 2026

Novel and Innovative Hybrid Technique for Type A Aortic Dissection
06:26

Novel and Innovative Hybrid Technique for Type A Aortic Dissection

Published on: March 28, 2025

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Descending endografts for type A dissections: con.

Akiko Tanaka1, Harleen K Sandhu1, Anthony L Estrera1

  • 1Department of Cardiothoracic and Vascular Surgery, McGovern Medical School at The University of Texas Health Science Center at Houston (UTHealth) and Memorial Hermann Hospital, Houston, TX, USA.

Annals of Cardiothoracic Surgery
|July 8, 2016
PubMed
Summary

The hybrid approach for acute type A aortic dissection shows promise but requires more research. While it can lead to false lumen thrombosis, complete obliteration is inconsistent, and risks like spinal cord injury exist.

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Area of Science:

  • Cardiovascular Surgery
  • Thoracic Surgery
  • Endovascular Repair

Background:

  • Resection of the intimal tear is crucial in Type A aortic dissection repair.
  • Minimizing distal reoperations is a key goal in managing acute Type A aortic dissection.
  • The hybrid approach, combining open repair with thoracic endovascular aortic repair (TEVAR), is emerging for acute Type A dissection.

Purpose of the Study:

  • To evaluate the safety and efficacy of the hybrid approach for acute Type A aortic dissection.
  • To determine if the hybrid approach is suitable for all acute Type A aortic dissection cases.

Main Methods:

  • Review of outcomes following hybrid repair (hemiarch or total arch repair with antegrade endografting).
  • Analysis of false lumen status (thrombosis, obliteration) in the descending aorta post-hybrid repair.
Keywords:
Acute type A aortic dissectionendografthybrid

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  • Assessment of reoperation/reintervention rates and associated complications.

    • Main Results:

    • Hybrid approach achieves 80-100% proximal false lumen thrombosis but only 17-50% complete false lumen obliteration.
    • Distal reoperation/reintervention rates are up to 14%, often requiring adjunctive procedures.
    • Potential risks include spinal cord injury, new entry tears, and stroke.

    Conclusions:

    • The hybrid approach for acute Type A aortic dissection has limited data on its safety and durability.
    • Further studies are essential to validate the benefits and risks of this emerging technique.
    • The routine use of simultaneous descending endografting in all acute Type A dissections needs careful consideration.