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Updated: Sep 15, 2025

Standardized Technique of Aortic Valve Re-implantation for Valve-sparing Aortic Root Replacement
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Reoperative Arch Replacement: Outcomes and Technical Considerations.

Eilon Ram1, Christopher Lau1, Danica Germain1

  • 1Department of Cardiothoracic Surgery, Weill Cornell Medicine, New York, New York.

Seminars in Thoracic and Cardiovascular Surgery
|July 16, 2025
PubMed
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Reoperative total arch replacement (TAR) carries higher risks and longer procedure times than first-time TAR. Careful planning is crucial for successful outcomes in these complex cardiovascular surgery cases.

Area of Science:

  • Cardiovascular Surgery
  • Thoracic Surgery
  • Vascular Surgery

Background:

  • Reoperative total arch replacement (TAR) is technically demanding due to prior cardiovascular surgery.
  • Increasing numbers of patients require reoperation, necessitating outcome comparisons with primary TAR.

Purpose of the Study:

  • To compare clinical outcomes between reoperative and first-time total arch replacement (TAR).
  • To identify factors associated with major postoperative adverse events (MAEs) in reoperative TAR.

Main Methods:

  • Retrospective review of 474 patients undergoing TAR between 1997 and 2024.
  • Comparison of demographic, procedural, and outcome data between reoperative (n=171) and primary (n=303) groups.
  • Multivariable regression analysis to identify predictors of MAEs.
Keywords:
aortic aneurysmaortic arch replacementaortic dissectioncerebral protectionreoperation

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Main Results:

  • Reoperative patients were younger but had higher comorbidity burden (ischemic heart disease, prior stroke, renal impairment).
  • Reoperative TAR involved significantly longer operative times, including circulatory arrest, cardiac ischemia, and cardiopulmonary bypass.
  • The reoperative group experienced higher operative mortality (4.1% vs. 0.3%) and a 2.3-fold increased risk of MAEs.

Conclusions:

  • Reoperative TAR is associated with increased operative risk, longer procedural durations, and higher complication rates compared to primary TAR.
  • Thorough preoperative assessment and meticulous attention to surgical technique are essential for optimizing outcomes in reoperative TAR.