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Updated: May 12, 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

Aortic valve bypass: experience from Denmark.

Jens T Lund1, Maiken B Jensen, Henrik Arendrup

  • 1Department of Cardiothoracic Surgery, Rigshospitalet, University Hospital of Copenhagen, Copenhagen, Denmark. jlund@dadlnet.dk

Interactive Cardiovascular and Thoracic Surgery
|March 27, 2013
PubMed
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Aortic valve bypass (AVB) offers a viable solution for patients ineligible for traditional aortic valve replacement or TAVI. This innovative procedure demonstrates low mortality and acceptable outcomes in carefully selected individuals.

Area of Science:

  • Cardiovascular Surgery
  • Interventional Cardiology
  • Medical Devices

Background:

  • Aortic valve stenosis (AS) poses significant challenges for patients unsuitable for conventional aortic valve replacement (AVR) or transcatheter aortic valve implantation (TAVI).
  • Aortic valve bypass (AVB) provides an alternative conduit from the left ventricle apex to the descending aorta for these high-risk patients.

Purpose of the Study:

  • To evaluate the feasibility and short-term outcomes of the aortic valve bypass (AVB) procedure in Denmark.
  • To analyze patient selection criteria, surgical techniques, and results for AVB.

Main Methods:

  • AVB performed via left thoracotomy using a 19-mm Freestyle valve anastomosed to a vascular graft and apex conduit.
  • One case utilized an automated coring and apical connector insertion device (Correx).
Keywords:
Aortic valve bypassAortic valve replacementAortic valve stenosisApicoaortic conduit

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  • Procedure typically conducted without circulatory assistance.

    • Main Results:

    • Ten patients (8 female, 2 male, median age 76) underwent AVB.
    • Seven patients had severely calcified ascending aortas; three had prior sternotomies.
    • Median follow-up of 7 months showed no mortality, reduced NYHA class, and no AV block or stroke.

    Conclusions:

    • Aortic valve bypass (AVB) is a safe and effective option for selected patients with severe aortic valve stenosis who are not candidates for AVR or TAVI.
    • The procedure results in a larger effective valve area compared to standard bioprostheses.
    • AVB offers acceptable short-term results with low mortality in this challenging patient cohort.