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Related Experiment Video

Updated: Jun 3, 2026

Standardized Technique of Aortic Valve Re-implantation for Valve-sparing Aortic Root Replacement
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Standardized Technique of Aortic Valve Re-implantation for Valve-sparing Aortic Root Replacement

Published on: December 11, 2017

New technique for aortic valve functional annulus reshaping using a handmade prosthetic ring.

Khalil Fattouch1, Roberta Sampognaro, Giuseppe Speziale

  • 1Department of Cardiac Surgery, University of Palermo, Palermo, Italy. khalilfattouch@hotmail.com

The Annals of Thoracic Surgery
|March 29, 2011
PubMed
Summary
This summary is machine-generated.

A novel two-component aortic valve annuloplasty ring effectively reshapes the aortic annulus and sinotubular junction, demonstrating promising results for aortic regurgitation repair with no major complications.

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Last Updated: Jun 3, 2026

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Area of Science:

  • Cardiovascular Surgery
  • Biomedical Engineering
  • Cardiac Valve Repair

Background:

  • Aortic valve repair techniques are advancing, yet aortic valve annuloplasty remains under-investigated.
  • Existing methods for aortic regurgitation treatment often focus on replacement rather than repair.
  • There is a need for innovative annuloplasty systems to improve aortic valve repair outcomes.

Purpose of the Study:

  • To introduce and evaluate a novel two-component handmade prosthetic ring for aortic valve annuloplasty.
  • To assess the surgical approach and clinical outcomes of using this system for aortic regurgitation.
  • To investigate the ring's efficacy in reshaping the aortic annulus and sinotubular junction (STJ).

Main Methods:

  • A cohort of 45 patients with aortic valve regurgitation underwent aortic annuloplasty using a new two-component ring.
  • The system comprises a circular ring for the aortoventricular junction and a crown-like ring for STJ remodeling.
  • Surgical implantation involved suturing the circular ring subvalvularly and the STJ ring externally, with bands connecting the two components.

Main Results:

  • No in-hospital deaths were recorded.
  • Postoperative outcomes showed trivial residual regurgitation in 2 patients and mild in 3 requiring treatment.
  • Mean coaptation surface length was 10 ± 2 mm, with a mean follow-up of 22 ± 16 months; all patients remained event-free.

Conclusions:

  • The presented aortic valve annuloplasty ring effectively reshapes the functional aortic annulus and stabilizes native aortic valve components.
  • This innovative system shows potential for improving long-term results in aortic valve repair.
  • The ring implantation was associated with no complications, suggesting a favorable safety profile.