Long-term evaluation of biological versus mechanical prosthesis use at reoperative aortic valve replacement Vincent Chan, MD, MPH, B-Khanh Lam, MD, MPH,

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Long-term evaluation of biological versus mechanical prosthesis use at reoperative aortic valve replacement Vincent Chan, MD, MPH, B-Khanh Lam, MD, MPH, Fraser D. Rubens, MD, Paul Hendry, MD, Roy Masters, MD, Thierry G. Mesana, MD, PhD, Marc Ruel, MD, MPH The Journal of Thoracic and Cardiovascular Surgery Volume 144, Issue 1, Pages 146-151 (July 2012) DOI: 10.1016/j.jtcvs.2011.08.041 Copyright © 2012 The American Association for Thoracic Surgery Terms and Conditions

Figure 1 Survival after reoperative aortic valve replacement (AVR). Unadjusted all-cause survival from the time of reoperative AVR, according to the prosthesis type used at reoperative AVR. In total, 161 deaths occurred in the cohort (51 deaths among patients who received a bioprosthesis and 110 deaths among patients who received a mechanical prosthesis). The Journal of Thoracic and Cardiovascular Surgery 2012 144, 146-151DOI: (10.1016/j.jtcvs.2011.08.041) Copyright © 2012 The American Association for Thoracic Surgery Terms and Conditions

Figure 2 Freedom from third-time aortic valve replacement (AVR). Freedom from third-time AVR after reoperative AVR for a failed aortic valve prosthesis. Twenty-seven third-time AVRs occurred in this cohort (17 third-time AVRs in patients who received a bioprosthesis at reoperative AVR and 10 third-time AVRs in patients who received a mechanical prosthesis at reoperative AVR). The mean interval to third-time AVR was 6.9 ± 5.5 years. The Journal of Thoracic and Cardiovascular Surgery 2012 144, 146-151DOI: (10.1016/j.jtcvs.2011.08.041) Copyright © 2012 The American Association for Thoracic Surgery Terms and Conditions