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Updated: May 16, 2026
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Standardized Technique of Aortic Valve Re-implantation for Valve-sparing Aortic Root Replacement
Published on: December 11, 2017
Valve-sparing root replacement in children with aortic root aneurysm: mid-term results
Rüdiger Lange1, Catalin C Badiu, Manfred Vogt
1Department of Cardiovascular Surgery, German Heart Centre Munich, Technische Universität München, Munich, Germany. r.lange@me.com
Summary
Aortic valve-sparing root replacement (AVSRR) in children with aortic root aneurysm (ARA) shows low operative risk and excellent mid-term valve durability. This approach can help avoid prosthetic valve-related morbidity in pediatric patients.
Area of Science:
- Cardiovascular Surgery
- Pediatric Cardiology
- Genetics
Background:
- Aortic root aneurysm (ARA) in children, often due to genetic disorders, poses significant risks.
- Surgical intervention is necessary to prevent catastrophic events like aortic dissection or rupture.
Purpose of the Study:
- To evaluate the outcomes of aortic valve-sparing root replacement (AVSRR) in pediatric patients with ARA.
- To assess mortality, reoperation rates, and recurrent aortic valve regurgitation (AVR) after AVSRR.
Main Methods:
- Retrospective analysis of 13 pediatric patients (mean age 9.7 years) who underwent AVSRR for ARA between 2002 and 2011.
- Patients had various genetic conditions including Marfan syndrome and Loeys-Dietz syndrome (LDS).
- Procedures included aortic root remodeling or reimplantation with concomitant cusp repair in some cases, with a mean follow-up of 3.7 years.
Main Results:
- No operative mortality was observed.
- One patient with LDS died 2.5 years post-operatively due to aortic rupture.
- One patient required reoperation for severe recurrent AVR; all other patients had none/trace or mild AVR at final follow-up.
Conclusions:
- AVSRR is a safe procedure in pediatric patients with ARA, associated with low operative risk.
- The technique demonstrates excellent mid-term valve durability, potentially avoiding prosthetic valve complications.
- Implanted prostheses accommodate future growth, preventing limitations in native aorta development.
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