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Standardized Technique of Aortic Valve Re-implantation for Valve-sparing Aortic Root Replacement
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Aortic valve replacement with Y-incision/rectangular patch aortic annular enlargement.

Farhang Yazdchi1, Katelyn Monaghan1, Bo Yang1

  • 1Department of Cardiac Surgery, University of Michigan, 1500 East Medical Center Drive, 5155 Frankel Cardiovascular Center, Ann Arbor, MI 48109 USA.

Indian Journal of Thoracic and Cardiovascular Surgery
|December 14, 2023
PubMed
Summary
This summary is machine-generated.

Extensive aortic annular enlargement is crucial for adult valve replacement to prevent patient-prosthesis mismatch. A novel technique effectively enlarges the aortic annulus and prepares the aorta for future valve-in-valve procedures.

Keywords:
Aortic valve replacementRoot enlargementSinotubular junction (STJ)

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Area of Science:

  • Cardiovascular Surgery
  • Cardiac Valve Repair
  • Aortic Annulus Enlargement

Background:

  • Small aortic roots and annuli pose challenges in adult valve replacement, often necessitating extensive aortic annular enlargement to prevent patient-prosthesis mismatch.
  • Patient-prosthesis mismatch can lead to suboptimal hemodynamic outcomes and reduced prosthesis durability.

Purpose of the Study:

  • To describe a surgical technique for significant aortic annular enlargement (4-5 valve sizes) during aortic valve replacement.
  • To present a modified aortotomy with a roof technique for improved closure and hemostasis.
  • To effectively enlarge the sinotubular junction and proximal ascending aorta for future transcatheter valve-in-valve (VIV) replacement.

Main Methods:

  • A surgical technique involving extensive aortic annular enlargement was performed.
  • A modified aortotomy utilizing a roof technique was employed for closure.
  • Sinotubular junction and proximal ascending aorta were enlarged to facilitate future VIV procedures.

Main Results:

  • The described technique achieved aortic annular enlargement of 4-5 valve sizes.
  • The modified aortotomy facilitated easier and more hemostatic closure.
  • Effective enlargement of the sinotubular junction and proximal ascending aorta was achieved.

Conclusions:

  • This technique provides a method for substantial aortic annular enlargement in adults with small annuli.
  • The modified aortotomy enhances surgical closure and hemostasis.
  • The procedure effectively prepares the aortic root and ascending aorta for potential future transcatheter valve-in-valve interventions.