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Standardized Technique of Aortic Valve Re-implantation for Valve-sparing Aortic Root Replacement
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Alternative valve-in-root concepts for redo procedures.

Orest Chevtchik1, Christina Steger, Nikolaos Bonaros

  • 1Department of Cardiac Surgery, Innsbruck Medical University, Innsbruck, Austria.

The Journal of Heart Valve Disease
|November 10, 2011
PubMed
Summary

Transcatheter valve implantation offers lower-risk options for challenging aortic root reoperations. Two high-risk cases demonstrate successful aortic valve replacement using transcatheter techniques, though long-term durability requires further study.

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Area of Science:

  • Cardiovascular Surgery
  • Interventional Cardiology
  • Transcatheter Valve Therapies

Background:

  • Aortic root reoperations are complex and carry significant risks.
  • Identifying lower-risk alternatives is crucial for select patient populations.
  • Previous aortic root replacement or homograft implantation may necessitate reintervention.

Observation:

  • Two high-risk patients with prior aortic root surgery were considered for reoperation.
  • Case 1: A 59-year-old male with severe aortic regurgitation and a calcified root underwent open implantation of a transcatheter valve.
  • Case 2: A 60-year-old female with aortic valve stenosis in a homograft underwent transapical implantation of a transcatheter valve.

Findings:

  • Successful implantation of Edwards Sapien valves in both high-risk patients.
  • Open implantation was performed distal to the calcified root in the first case.
  • Transapical implantation was utilized in the second case for valve-in-valve therapy.

Implications:

  • Transcatheter aortic valve implantation presents viable alternatives for complex aortic root reoperations.
  • These approaches may reduce surgical risk in patients with challenging anatomy.
  • Further long-term studies are needed to assess the durability and outcomes of these transcatheter implants in reoperative settings.