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Reoperation for Freestyle stentless aortic valves.

G M Deeb1, I A Smolens, S F Bolling

  • 1Section of Cardiac Surgery, Department of Surgery, University of Michigan Hospitals, Ann Arbor, MI 48109-0348, USA.

Seminars in Thoracic and Cardiovascular Surgery
|January 24, 2002
PubMed
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Reoperation on Freestyle stentless aortic valves is feasible and safe. This study found no increased operative risk and excellent survival rates for patients needing reoperation after initial Freestyle valve implantation.

Area of Science:

  • Cardiovascular Surgery
  • Thoracic Surgery
  • Heart Valve Replacement

Background:

  • The Freestyle stentless aortic valve was implanted in 552 patients between 1992 and 2001.
  • Ten patients (1.8%) required reoperation due to complications.
  • Complications included endocarditis, aortic aneurysm, valve dehiscence, and subvalvular obstruction.

Purpose of the Study:

  • To describe reoperative techniques for Freestyle stentless aortic valves.
  • To review outcomes of reoperation in these patients.

Main Methods:

  • Detailed description of reoperative procedures.
  • Analysis of reoperation indications and outcomes.
  • Review of 10 patients requiring reoperation.

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Main Results:

  • No operative deaths occurred among the 10 reoperations.
  • One late death was recorded during a mean follow-up of 43 months.
  • Reoperations involved homograft (8) or Freestyle (2) valve reimplantation.

Conclusions:

  • Reoperation on Freestyle stentless aortic valves can be performed safely.
  • Excellent long-term survival is achievable after reoperation.
  • The described techniques facilitate safe removal and reimplantation.