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Updated: Feb 7, 2026

Novel and Innovative Hybrid Technique for Type A Aortic Dissection
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Extended Arch Procedures for Acute Type A Aortic Dissection: A Downstream Problem?

Steven L Lansman1, Joshua B Goldberg1, Masashi Kai1

  • 1Westchester Medical Center, Valhalla, New York; Department of Surgery, Section of Cardiothoracic Surgery, New York Medical College, Valhalla, New York.

Seminars in Thoracic and Cardiovascular Surgery
|August 6, 2018
PubMed
Summary
This summary is machine-generated.

Extended aortic arch repair for acute type A aortic dissection may decrease late aortic events but does not improve survival. Careful patient selection is crucial to mitigate risks and avoid unnecessary procedures.

Keywords:
AortaArchFrozen elephant trunkType A dissection

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Area of Science:

  • Cardiovascular Surgery
  • Thoracic Surgery
  • Aortic Disease Management

Background:

  • Management of acute type A aortic dissection involves choosing between standard hemiarch resection and extended repair.
  • The goal of extended repair is to prevent late, distal aortic complications.
  • Assessing short-term risks and long-term benefits of extended procedures is critical.

Purpose of the Study:

  • To evaluate the impact of extended aortic arch repair (total arch plus frozen elephant trunk) on survival and late aortic events in acute type A aortic dissection.
  • To identify predictors for late reoperation in patients undergoing aortic dissection repair.

Main Methods:

  • Comparative analysis of standard hemiarch resection versus extended repair strategies.
  • Review of perioperative risks, including paraplegia.
  • Assessment of late aortic events and reoperation rates.

Main Results:

  • Extended hemiarch repair does not improve survival but decreases late aortic events.
  • Extended repairs carry increased perioperative risks, such as paraplegia.
  • Late reoperations are infrequent, often elective, and low-risk; extended repairs do not eliminate them.

Conclusions:

  • Routine extension of the index procedure for acute type A aortic dissection is not universally beneficial.
  • Patient selection is key; identify high-risk individuals for reoperation based on tear location, aortic dimensions, and connective tissue disorders.
  • Timing of repair extension may be optimized, potentially delaying it to the subacute period for high-risk patients.