Clinical event rates with the On-X bileaflet mechanical heart valve: a multicenter experience with follow-up to 12 years

The Journal of Thoracic and Cardiovascular Surgery
John B ChambersG Palatianos

Abstract

The aim of the study was to establish clinical event rates for the On-X bileaflet mechanical heart valve (On-X Life Technologies Inc, Austin, Tex) using an audit of data from the 3 centers within Europe with the longest history of implanting. All patients receiving the On-X valve between March 1, 1998, and June 30, 2009, at 3 European centers were studied. Data were collected using questionnaire and telephone surveys augmented by outpatient visits and examination of clinical records. There were 691 patients, with a mean age of 60.3 years, who received 761 valves in total: 407 mitral valve replacements, 214 aortic valve replacements, and 70 aortic + mitral valve replacements (dual valve replacement). Total follow-up was 3595 patient-years, with a mean of 5.2 years (range, 0-12.6 years). Early (≤ 30 days) mortality was 5.4% (mitral valve replacement), 0.9% (aortic valve replacement), and 4.3% (dual valve replacement). Linearized late (>30 days) mortality expressed per patient-year was 3.6% (mitral valve replacement), 2.2% (aortic valve replacement), and 4.1% (dual valve replacement), of which valve-related mortality was 0.5% (mitral valve replacement), 0.2% (aortic valve replacement), and 1.8% (dual valve replacement). Late linea...Continue Reading

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Citations

Dec 5, 2013·Thrombosis·Tsuyoshi Kaneko, Sary F Aranki
Dec 18, 2013·The Journal of Thoracic and Cardiovascular Surgery·Ismail BouhoutIsmail El-Hamamsy
Feb 18, 2016·Irish Journal of Medical Science·K E O'SullivanJ Hurley
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Jun 1, 2016·Cardiovascular Pathology : the Official Journal of the Society for Cardiovascular Pathology·Frederick J Schoen, Avrum I Gotlieb
May 28, 2016·European Journal of Cardio-thoracic Surgery : Official Journal of the European Association for Cardio-thoracic Surgery·Shoichiro YatsuAtsushi Amano
Dec 12, 2013·World Journal for Pediatric & Congenital Heart Surgery·Scott M Bradley
Mar 1, 2015·Current Opinion in Cardiology·Bobby YanagawaUNKNOWN PROACT Investigators
May 12, 2016·Cardiovascular Engineering and Technology·Nima MirkhaniNiloofar Saffarian
Sep 1, 2013·Global Heart·Kirsten Finucane, Nigel Wilson
Apr 21, 2017·General Thoracic and Cardiovascular Surgery·Hideki TeshimaHiroyuki Irie
Jun 15, 2018·Interactive Cardiovascular and Thoracic Surgery·Giacomo MuranaRoberto Di Bartolomeo
Jul 19, 2020·Interactive Cardiovascular and Thoracic Surgery·Dae Woong Ryu, Jong Bum Choi
Apr 26, 2019·European Heart Journal. Case Reports·Sanjay S Bhandari, William B Nicolson
Feb 9, 2017·Cardiology in Review·Rahul ChaudharyRonald Freudenberger
Mar 3, 2020·The Annals of Thoracic Surgery·Nora GöbelUlrich F W Franke
Jun 1, 2021·Circulation Journal : Official Journal of the Japanese Circulation Society·Ji Seong KimKyung Hwan Kim

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