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Related Experiment Videos

[Mosaic bioprosthesis after 5 years].

W Eichinger1, R Günzinger, F Botzenhardt

  • 1Abteilung für Herzchirurgie, Krankenhaus München-Bogenhausen. eichinger@dhm.mhn.de

Herz
|January 6, 2001
PubMed
Summary

The Mosaic bioprosthesis demonstrates satisfactory clinical and hemodynamic function in aortic valve replacement patients over intermediate follow-up periods. This stented porcine valve shows good durability and improved patient functional status, though long-term structural valve deterioration requires monitoring.

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Area of Science:

  • Cardiovascular Surgery
  • Biomaterials Science
  • Medical Device Engineering

Context:

  • The Mosaic bioprosthesis is a stented porcine aortic valve utilizing a zero pressure differential fixation technique and antimineralization treatment.
  • Clinical use began in February 1994, necessitating evaluation of its intermediate-term performance.

Purpose:

  • To evaluate the clinical and hemodynamic function of the Mosaic bioprosthesis in the aortic position using intermediate-term data.
  • To assess the safety and efficacy of the Mosaic prosthesis in patients undergoing aortic valve replacement.

Summary:

  • A study of 100 patients receiving the Mosaic prosthesis showed a significant improvement in New York Heart Association functional class post-surgery.
  • Hemodynamic results were satisfactory, with mean systolic pressure gradients and effective orifice areas comparable to other biological prostheses.

Related Experiment Videos

  • Freedom from prosthesis-related events at 5 years was high, including neurological events, thrombosis, and structural valve deterioration, though late deterioration warrants further observation.

    • Impact:

    • The Mosaic bioprosthesis offers a viable option for aortic valve replacement, demonstrating favorable intermediate-term outcomes.
    • Findings support the use of this valve, particularly noting its hemodynamic advantages and patient functional improvement.
    • Further long-term data is needed to fully ascertain the durability and performance beyond 5 years, especially concerning structural valve deterioration.