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Type A Aortic Dissection Occurring After Previous Cardiac Surgery.

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Elective total arch replacement for ascending aortic dissection after prior heart surgery may improve patient outcomes. Nonelective procedures showed higher mortality and morbidity rates compared to elective ones.

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Area of Science:

  • Cardiovascular Surgery
  • Thoracic Surgery
  • Aortic Disease Management

Background:

  • Review of total arch replacement for ascending aortic dissection in patients with prior cardiac surgery.
  • Focus on acute type A aortic dissection following previous cardiac procedures.

Purpose of the Study:

  • To evaluate outcomes of total arch replacement in patients with ascending aortic dissection after prior cardiac surgery.
  • To compare outcomes between elective and nonelective surgical repair.

Main Methods:

  • Retrospective analysis of 28 patients undergoing total arch replacement for ascending aortic dissection post-cardiac surgery (2005-2014).
  • Collection and analysis of clinical and prognostic data.
  • Comparison of outcomes based on elective versus nonelective surgical status.

Main Results:

  • Overall 30-day mortality was 21.4%, with higher rates in nonelective (30.0%) versus elective (16.7%) cases.
  • Nonelective patients experienced higher postoperative morbidity.
  • Long-term follow-up revealed two deaths from non-cardiac causes and one case of endografting for lumen compression.

Conclusions:

  • Hemodynamically stable patients with acute ascending aortic dissection following prior cardiac surgery may benefit from elective total arch replacement.
  • Elective surgery appears associated with improved outcomes compared to nonelective repair in this patient cohort.