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A six-year experience with the omnicarbon valve in North American patients

Julie Carrier1, Javier Teijeira, David Greentree

  • 1Division of Cardiovascular and Thoracic Surgery, Faculty of Medicine and CHUS, Sherbrooke University, Sherbrooke, Quebec, Canada.

Journal of Cardiac Surgery
|September 24, 2004
PubMed

Insights

The Omnicarbon all-carbon monoleaflet valve prosthesis shows excellent outcomes in North American patients, with low complication rates and high survival after aortic or mitral valve replacement.

Area of Science:

  • Cardiovascular Surgery
  • Biomaterials Science
  • Medical Device Technology

Background:

  • The Omnicarbon is an all-carbon monoleaflet valve prosthesis.
  • Evaluating its performance in a North American population is crucial for understanding its clinical utility.

Purpose of the Study:

  • To assess the clinical outcomes of the Omnicarbon valve in patients undergoing aortic (AVR) or mitral valve replacement (MVR).
  • To evaluate the safety and efficacy of this prosthesis in a real-world setting.

Main Methods:

  • Prospective evaluation of 108 patients who received Omnicarbon valve implants.
  • Comprehensive assessments included echocardiography, laboratory tests, and physician examinations.
  • Follow-up data were collected to determine survival and complication rates.

Main Results:

  • Hospital mortality was 6.1%, significantly lower than the predicted 12.1% using the Parsonnet model.
  • Five-year survival was 86%, with high freedom from thromboembolic events (99%), bleeding (97%), endocarditis (99%), and structural failure.
  • Patients showed improved functional status (NYHA Classes I/II) post-operatively, with favorable hematologic and hemodynamic profiles.

Conclusions:

  • The Omnicarbon valve demonstrates favorable hematologic and hemodynamic characteristics.
  • Low complication rates, including thromboembolism, bleeding, and endocarditis, indicate it meets contemporary performance expectations.
  • This all-carbon prosthesis is a viable option for valve replacement surgery.
Abstract

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