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14:14
Standardized Technique of Aortic Valve Re-implantation for Valve-sparing Aortic Root Replacement
Published on: December 11, 2017
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Reoperative Aortic Root Replacement in Patients with Previous Aortic Root or Aortic Valve Procedures
Byung Kwon Chong1, Sung-Ho Jung1, Suk Jung Choo1
1Department of Thoracic and Cardiovascular Surgery, Asan Medical Center, University of Ulsan College of Medicine.
The Korean Journal of Thoracic and Cardiovascular Surgery
|August 16, 2016
Summary
Redo aortic root replacement (ARR) is feasible despite challenges. Outcomes were acceptable for patients needing repeat aortic valve or aortic root surgery, with 5-year survival rates over 80%.
Area of Science:
- Cardiovascular Surgery
- Thoracic Surgery
- Aortic Valve Surgery
Background:
- Standardized aortic valve (AV) and aortic root surgeries are common.
- Reoperative aortic root replacement (ARR) is increasingly necessary due to patient proliferation.
- This study evaluates outcomes of redo-ARR.
Purpose of the Study:
- To assess the results of redo-aortic root replacement (ARR).
- To understand the challenges and outcomes in patients undergoing repeat aortic root surgery.
Main Methods:
- Retrospective review of 66 patients undergoing redo-ARR between 1995 and 2015.
- Analysis of indications, early outcomes, and long-term follow-up data.
- Evaluation of survival and complication rates.
Main Results:
- 43.9% of redo-ARR were emergency surgeries.
- Common indications included infection (45.5%) and bioprosthetic AV dysfunction (28.8%).
- Early mortality was 4.5%, with 5-year overall and event-free survival rates of 81.5% and 76.4%, respectively.
Conclusions:
- Redo-ARR presents technical challenges and high rates of emergency conditions.
- Despite these factors, early and late outcomes for redo-ARR are acceptable.
- This supports the viability of repeat aortic root surgery in selected patients.
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