The Cryo-Life O’Brien stentless valve: 1991–2008

  • Ulrik Hvass
  • T. Joudinaud


The hemodynamics of stentless valves are generally recognized as being superior to that of stented devices. Low gradients and large effective orifice areas reflect minimal residual obstruction improving systolic performance, while regression of left ventricular mass diminishes ventricular stiffness improving ventricular filling and diastolic performance.


Aortic Valve Aortic Valve Replacement Aortic Annulus Sinotubular Junction Valve Thrombosis 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.


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Copyright information

© Springer-Verlag Berlin Heidelberg 2010

Authors and Affiliations

  • Ulrik Hvass
    • 1
  • T. Joudinaud
  1. 1.Assistance hôpitaux publique de ParisGroupe Hospitalier Bichat Claude BernardParis Cedex 18France

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