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Related Experiment Videos

Aortic valve replacement with a stentless bioprosthesis using the full-root technique.

O Wendler1, V Dzindzibadze, F Langer

  • 1Department of Thoracic and Cardiovascular Surgery, University Hospital Homburg/Saar, Kirrberger Strasse 1, 66421 Homburg/Saar, Germany. chowen@med-rrz.uni-sb.de

The Thoracic and Cardiovascular Surgeon
|December 18, 2001
PubMed
Summary

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Stentless bioprostheses in aortic valve replacement using the full-root technique offer a safe surgical option. This method effectively remodels the aortic annulus, particularly in patients with small aortic roots or abscesses.

Area of Science:

  • Cardiovascular Surgery
  • Thoracic Surgery
  • Prosthetic Heart Valves

Background:

  • Stentless bioprostheses demonstrate superior hemodynamic function over stented valves in aortic valve replacement.
  • The "full-root" technique allows for the implantation of larger prostheses, enhancing surgical outcomes.
  • This study details the clinical experience with stentless bioprostheses utilized in the "full-root" technique.

Purpose of the Study:

  • To evaluate the safety and efficacy of stentless bioprostheses implanted using the "full-root" technique for aortic valve replacement.
  • To assess the impact of this technique on aortic annulus remodeling, especially in challenging cases.
  • To present surgical outcomes and patient demographics associated with this specific aortic valve replacement strategy.

Main Methods:

Related Experiment Videos

  • A retrospective analysis of 149 patients undergoing root replacement with a stentless xenograft between 1997 and 2000.
  • Patient cohort characteristics included mean age of 70 years, 52% female, and ejection fraction of 58%.
  • Pre-existing conditions such as aortic stenosis, regurgitation, bacterial endocarditis, and aortic dissection were documented.

Main Results:

  • Mean cardiopulmonary bypass, ischemic, and operating times were 118, 83, and 201 minutes, respectively.
  • Concomitant procedures included coronary artery bypass grafting (32%), ascending aorta (22%), and aortic arch (13%) replacements.
  • Overall in-hospital mortality was 6.7%, with a significantly lower rate of 1.8% for isolated aortic valve disease.

Conclusions:

  • Aortic valve replacement with stentless bioprostheses via the "full-root" technique is a secure and effective surgical approach.
  • This technique facilitates aortic annulus remodeling, proving beneficial for patients with small aortic roots or periannular abscesses.
  • The study supports the "full-root" technique as a valuable option for complex aortic valve pathologies.