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Updated: Jul 30, 2026
12:17
Full-root Aortic Valve Replacement by Stentless Aortic Xenografts in Patients with Small Aortic Roots
Published on: May 21, 2017
Reoperative Aortic Root Replacement in Patients with Prior Aortic Valve, Root Replacement, or Arch Replacement
Toyokazu Endo1, Jaimin R Trivedi1, Priyadarshini Chandrashekhar2
1Department of Cardiovascular and Thoracic Surgery, University of Louisville School of Medicine, Louisville, Kentucky.
Aorta (Stamford, Conn.)
|April 8, 2025
Summary
Reoperative aortic root replacement in patients with prior aortic valve or root surgery had a 10.9% perioperative mortality. This study details characteristics and outcomes for these complex cardiac surgeries.
Area of Science:
- Cardiovascular Surgery
- Thoracic Surgery
- Cardiac Surgery Outcomes
Background:
- Reoperative aortic root surgery is complex, often necessitated by prior aortic valve replacement (AVR), aortic root replacement (ARR), or ascending/hemiarch replacement (AoR).
- Indications for reoperation are diverse, including valvular stenosis, endocarditis, aneurysm, and dissection, posing significant surgical challenges.
Purpose of the Study:
- To evaluate the characteristics and outcomes of reoperative aortic root replacement.
- To analyze patient cohorts with previous aortic valve replacement, aortic root replacement, or ascending/hemiarch replacement.
Main Methods:
- A single-institution case series was conducted from 2014 to 2023.
- Fifty-five patients undergoing reoperative aortic root replacement were identified, with detailed analysis of prior surgical history (38 AVR, 5 ARR, 12 AoR).
Main Results:
- The study identified 55 patients requiring reoperative aortic root replacement.
- Perioperative mortality was 10.9% (6 patients), with common inpatient complications including stroke, bleeding events, renal failure, and prolonged ventilation.
Conclusions:
- Reoperative aortic root replacement in patients with prior aortic procedures carries a significant but manageable perioperative mortality risk.
- Understanding patient characteristics and indications is crucial for optimizing outcomes in these complex reoperations.
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